/**
 * Tamkeen Registration System - Core Design System & Stylesheet
 * Built with CSS Design Tokens, BEM-inspired Components, and Modern Responsive Aesthetics.
 */

/* ==========================================================================
   1. DESIGN TOKENS (CSS VARIABLES)
   ========================================================================== */
:root {
    /* Brand & Primary Palette */
    --color-brand-50: #f0f7ff;
    --color-brand-100: #e0effe;
    --color-brand-200: #bae0fd;
    --color-brand-500: #0284c7;
    --color-brand-600: #0369a1;
    --color-brand-700: #075985;
    --color-brand-800: #0c4a6e;
    --color-brand-900: #082f49;

    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-500: #3b82f6;
    --color-primary-600: #2563eb;
    --color-primary-700: #1d4ed8;
    --color-primary-800: #1e40af;
    --color-primary-900: #1e3a8a;

    /* Slate / Neutral Palette */
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-white: #ffffff;

    /* Accent & Semantic Status Colors */
    --color-success-50: #ecfdf5;
    --color-success-100: #d1fae5;
    --color-success-500: #10b981;
    --color-success-600: #059669;
    --color-success-700: #047857;

    --color-danger-50: #fff1f2;
    --color-danger-100: #ffe4e6;
    --color-danger-500: #f43f5e;
    --color-danger-600: #e11d48;

    --color-pink-50: #fdf2f8;
    --color-pink-100: #fce7f3;
    --color-pink-300: #f472b6;
    --color-pink-500: #ec4899;
    --color-pink-600: #db2777;

    /* Typography */
    --font-sans: 'Cairo', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;

    /* Radii Tokens */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-2xl: 1.25rem;
    /* 20px */
    --radius-3xl: 1.5rem;
    /* 24px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(148, 163, 184, 0.35), 0 8px 10px -6px rgba(148, 163, 184, 0.2);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
    --shadow-btn-primary: 0 8px 20px -4px rgba(37, 99, 235, 0.35);
    --shadow-btn-success: 0 8px 20px -4px rgba(5, 150, 105, 0.35);
    --shadow-btn-danger: 0 8px 20px -4px rgba(244, 63, 94, 0.3);

    /* Transitions & Easing */
    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-smooth: 350ms;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* ==========================================================================
   2. RESET & BASE STYLES
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-variant-numeric: tabular-nums lining-nums;
    -webkit-font-feature-settings: "lnum" 1, "tnum" 1;
    font-feature-settings: "lnum" 1, "tnum" 1;
}

html {
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-slate-50);
    color: var(--color-slate-800);
    min-height: 100vh;
    padding: 0 0 5.75rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: none;
}

@media (min-width: 640px) {
    body {
        padding: 0 0 8rem 0;
    }
}

/* Base Form Reset */
input,
select,
textarea,
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   3. APP INITIAL LOADER
   ========================================================================== */
.app-initial-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity var(--duration-smooth) var(--ease-standard);
}

.loader-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    text-align: center;
}

.loader-spinner-wrapper {
    position: relative;
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
}

.loader-spinner {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-primary-100);
    border-top-color: var(--color-primary-600);
    animation: spin 1s linear infinite;
}

.loader-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-600);
    font-size: 1.25rem;
    animation: pulse 1.8s ease-in-out infinite;
}

.loader-title {
    color: var(--color-slate-800);
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
    letter-spacing: 0.01em;
}

@media (min-width: 640px) {
    .loader-title {
        font-size: 1.125rem;
    }
}

.loader-desc {
    color: var(--color-slate-500);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* ==========================================================================
   4. FIXED TOP HEADER CONTAINER (HEADER + DYNAMIC PROGRESS BAR)
   ========================================================================== */
.form-header-container {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 40;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.12);
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.form-header {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-800));
    padding: 0.875rem 1rem;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

@media (min-width: 640px) {
    .form-header {
        padding: 1.25rem 2rem;
    }
}

@media (min-width: 768px) {
    .form-header {
        padding: 1.5rem 3rem;
    }
}

.form-header-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .form-header-content {
        text-align: right;
    }
}

@media (min-width: 768px) {
    .form-header-content {
        max-width: 72rem;
    }
}

@media (min-width: 1024px) {
    .form-header-content {
        max-width: 56rem;
    }
}

.form-header-title {
    font-size: 1.15rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
    margin-top: 0.85rem;
    line-height: 1.3;
}

@media (min-width: 640px) {
    .form-header-title {
        font-size: 1.5rem;
        line-height: 1.25;
    }
}

@media (min-width: 768px) {
    .form-header-title {
        font-size: 1.75rem;
    }
}

.form-header-desc {
    color: var(--color-primary-100);
    font-size: 0.75rem;
    margin-top: 0.8rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (min-width: 640px) {
    .form-header-desc {
        font-size: 0.8125rem;
        margin-top: 0.5rem;
        line-height: 1.5;
        -webkit-line-clamp: 3;
    }
}

@media (min-width: 768px) {
    .form-header-desc {
        font-size: 0.875rem;
        margin-top: 0.55rem;
        max-width: 46rem;
    }
}

/* ==========================================================================
   5. DYNAMIC PROGRESS BAR (INSIDE FIXED HEADER)
   ========================================================================== */
.progress-bar-wrapper {
    padding: 0.5rem 0.875rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-slate-200);
}

@media (min-width: 640px) {
    .progress-bar-wrapper {
        padding: 0.65rem 2rem;
    }
}

@media (min-width: 768px) {
    .progress-bar-wrapper {
        padding: 0.75rem 3rem;
    }
}

.progress-bar-inner {
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .progress-bar-inner {
        max-width: 52rem;
    }
}

@media (min-width: 1024px) {
    .progress-bar-inner {
        max-width: 56rem;
    }
}

/* ==========================================================================
   6. FORM CARD CONTAINER
   ========================================================================== */
.form-card {
    max-width: 48rem;
    /* max-w-3xl */
    width: calc(100% - 1.25rem);
    margin: 1rem auto 1.5rem auto;
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-slate-100);
    overflow: hidden;
    transition: all var(--duration-smooth) var(--ease-standard);
}

@media (min-width: 640px) {
    .form-card {
        width: calc(100% - 3rem);
        margin: 1.5rem auto 2rem auto;
        border-radius: var(--radius-3xl);
        box-shadow: var(--shadow-xl);
    }
}

@media (min-width: 768px) {
    .form-card {
        max-width: 52rem;
        border-radius: 2rem;
        box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(226, 232, 240, 0.8);
    }
}

@media (min-width: 1024px) {
    .form-card {
        max-width: 56rem;
    }
}

.progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.71875rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.375rem;
}

@media (min-width: 640px) {
    .progress-info {
        font-size: 0.75rem;
        margin-bottom: 0.5rem;
    }
}

.progress-step-title {
    color: var(--color-primary-700);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

@media (min-width: 640px) {
    .progress-step-title {
        gap: 0.5rem;
    }
}

.progress-stats {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

@media (min-width: 640px) {
    .progress-stats {
        gap: 0.5rem;
    }
}

.completed-fields-text {
    color: var(--color-slate-400);
    font-weight: var(--font-weight-normal);
    font-size: 0.6875rem;
}

.progress-percent-badge {
    color: var(--color-primary-600);
    font-weight: var(--font-weight-bold);
    background-color: var(--color-primary-50);
    padding: 0.1rem 0.5rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-primary-100);
}

@media (min-width: 640px) {
    .progress-percent-badge {
        padding: 0.125rem 0.625rem;
    }
}

.progress-track {
    width: 100%;
    height: 0.5rem;
    background-color: var(--color-slate-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

@media (min-width: 640px) {
    .progress-track {
        height: 0.625rem;
    }
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-full);
    transition: width var(--duration-smooth) var(--ease-out-smooth);
}

/* ==========================================================================
   6. FORM SECTIONS & INPUT CONTROLS
   ========================================================================== */
.form-body {
    padding: 0.875rem 0.875rem 1rem 0.875rem;
}

@media (min-width: 640px) {
    .form-body {
        padding: 2rem;
    }
}

@media (min-width: 768px) {
    .form-body {
        padding: 2.5rem 3rem;
    }
}

.step-section {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    transition: opacity var(--duration-smooth) var(--ease-standard), transform var(--duration-smooth) var(--ease-standard);
    will-change: transform, opacity;
}

@media (min-width: 640px) {
    .step-section {
        gap: 1.25rem;
    }
}

.step-section.hidden-step {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.step-section.active-step {
    display: flex;
}

.step-section.slide-in-right {
    animation: slideInFromRight var(--duration-smooth) var(--ease-out-smooth) forwards;
}

.step-section.slide-in-left {
    animation: slideInFromLeft var(--duration-smooth) var(--ease-out-smooth) forwards;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-slate-100);
}

@media (min-width: 640px) {
    .step-header {
        gap: 0.75rem;
        padding-bottom: 0.75rem;
    }
}

.step-header-icon {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-50);
    color: var(--color-primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .step-header-icon {
        width: 2.25rem;
        height: 2.25rem;
        border-radius: var(--radius-lg);
        font-size: 1.125rem;
    }
}

.step-header-icon.academic-icon {
    background-color: #f0f9ff;
    color: #0284c7;
}

.step-header-title {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
}

@media (min-width: 640px) {
    .step-header-title {
        font-size: 1.125rem;
    }
}

.step-header-desc {
    font-size: 0.71875rem;
    color: var(--color-slate-400);
}

@media (min-width: 640px) {
    .step-header-desc {
        font-size: 0.75rem;
    }
}

.fields-grid {
    display: flex;
    flex-direction: column;
    gap: 0.6875rem;
}

@media (min-width: 640px) {
    .fields-grid {
        gap: 1rem;
    }
}

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-slate-700);
    margin-bottom: 0.25rem;
}

@media (min-width: 640px) {
    .form-label {
        font-size: 0.875rem;
        margin-bottom: 0.375rem;
    }
}

.required-star {
    color: var(--color-danger-500);
    margin-right: 0.15rem;
}

.input-container {
    position: relative;
    border-radius: var(--radius-lg);
}

@media (min-width: 640px) {
    .input-container {
        border-radius: var(--radius-xl);
    }
}

.input-icon-slot {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 2.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    color: var(--color-slate-400);
    font-size: 0.875rem;
    z-index: 2;
}

@media (min-width: 640px) {
    .input-icon-slot {
        width: 2.75rem;
        font-size: 1rem;
    }
}

.input-icon-slot.whatsapp-icon {
    color: #10b981;
    font-size: 1rem;
}

@media (min-width: 640px) {
    .input-icon-slot.whatsapp-icon {
        font-size: 1.125rem;
    }
}

.form-input {
    display: block;
    width: 100%;
    padding: 0.625rem 2.375rem 0.625rem 0.75rem;
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    color: var(--color-slate-800);
    font-size: 0.84375rem;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast), background-color var(--duration-fast);
}

@media (min-width: 640px) {
    .form-input {
        padding: 0.75rem 2.875rem 0.75rem 1rem;
        border-radius: var(--radius-xl);
        font-size: 0.875rem;
    }
}

.form-input::placeholder {
    color: var(--color-slate-400);
}

select.form-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 0.75rem center;
    background-size: 1rem 1rem;
    padding-left: 2rem;
    cursor: pointer;
}

@media (min-width: 640px) {
    select.form-input {
        background-position: left 0.875rem center;
        background-size: 1.125rem 1.125rem;
        padding-left: 2.25rem;
    }
}

.form-input:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input.input-whatsapp:focus {
    border-color: var(--color-success-600);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-input.input-ltr {
    text-align: right;
    direction: ltr;
    padding-right: 2.375rem;
    padding-left: 0.75rem;
}

@media (min-width: 640px) {
    .form-input.input-ltr {
        padding-right: 2.875rem;
        padding-left: 1rem;
    }
}

.form-input.input-error,
.form-input.border-rose-500 {
    border-color: var(--color-danger-500) !important;
    background-color: #fff9f9;
}

.field-error-msg {
    color: var(--color-danger-500);
    font-size: 0.6875rem;
    margin-top: 0.2rem;
    font-weight: var(--font-weight-medium);
}

@media (min-width: 640px) {
    .field-error-msg {
        font-size: 0.75rem;
        margin-top: 0.25rem;
    }
}

/* Two Columns Grid */
.grid-2-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6875rem;
}

@media (min-width: 768px) {
    .grid-2-cols {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* ==========================================================================
   7. CUSTOM INPUT CARDS (DATE, GENDER, LEVEL)
   ========================================================================== */
.custom-card-group {
    background-color: rgba(248, 250, 252, 0.8);
    padding: 0.5rem 0.6875rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

@media (min-width: 640px) {
    .custom-card-group {
        padding: 0.875rem;
        border-radius: var(--radius-2xl);
    }
}

.date-selects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.375rem;
}

@media (min-width: 640px) {
    .date-selects-grid {
        gap: 0.5rem;
    }
}

.form-select {
    width: 100%;
    padding: 0.45rem 0.35rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-md);
    color: var(--color-slate-700);
    font-size: 0.78125rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

@media (min-width: 640px) {
    .form-select {
        padding: 0.625rem 0.5rem;
        border-radius: var(--radius-xl);
        font-size: 0.875rem;
    }
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Gender Selection Cards */
.gender-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

@media (min-width: 640px) {
    .gender-cards-grid {
        gap: 0.75rem;
    }
}

.gender-card {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.45rem 0.5rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-slate-200);
    background-color: var(--color-white);
    transition: all var(--duration-fast) var(--ease-standard);
    user-select: none;
}

@media (min-width: 640px) {
    .gender-card {
        gap: 0.5rem;
        padding: 0.625rem 0.75rem;
        border-radius: var(--radius-xl);
    }
}

.gender-card:hover {
    border-color: var(--color-primary-500);
    background-color: var(--color-primary-50);
}

.gender-card-male-icon {
    color: var(--color-primary-600);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

@media (min-width: 640px) {
    .gender-card-male-icon {
        font-size: 1.125rem;
    }
}

.gender-card-female-icon {
    color: var(--color-pink-500);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

@media (min-width: 640px) {
    .gender-card-female-icon {
        font-size: 1.125rem;
    }
}

.gender-card-text {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-700);
}

@media (min-width: 640px) {
    .gender-card-text {
        font-size: 0.875rem;
    }
}

.gender-card.active-male,
.gender-card.border-blue-600 {
    border-color: var(--color-primary-600) !important;
    background-color: rgba(239, 246, 255, 0.75) !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.gender-card.active-female,
.gender-card.border-pink-600 {
    border-color: var(--color-pink-600) !important;
    background-color: rgba(253, 242, 248, 0.75) !important;
    box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.2);
}

/* Academic Level Selection Cards */
.level-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.375rem;
}

@media (min-width: 640px) {
    .level-cards-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.625rem;
    }
}

.level-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.35rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-slate-200);
    background-color: var(--color-slate-50);
    text-align: center;
    transition: all var(--duration-fast) var(--ease-standard);
    user-select: none;
}

@media (min-width: 640px) {
    .level-card {
        padding: 0.75rem 0.5rem;
        border-radius: var(--radius-xl);
    }
}

.level-card.graduate-item {
    grid-column: span 2;
}

@media (min-width: 640px) {
    .level-card.graduate-item {
        grid-column: span 1;
    }
}

.level-card:hover {
    border-color: var(--color-primary-500);
    background-color: var(--color-white);
}

.level-card-title {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-700);
}

@media (min-width: 640px) {
    .level-card-title {
        font-size: 0.875rem;
    }
}

.level-card-subtitle {
    font-size: 0.625rem;
    color: var(--color-slate-400);
    margin-top: 0.05rem;
}

@media (min-width: 640px) {
    .level-card-subtitle {
        font-size: 0.6875rem;
        margin-top: 0.125rem;
    }
}

.level-card.active,
.level-card.border-blue-600 {
    border-color: var(--color-primary-600) !important;
    background-color: var(--color-primary-50) !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.level-card.active .level-card-title,
.level-card.border-blue-600 .level-card-title {
    color: var(--color-primary-700);
}

/* ==========================================================================
   8. FIXED BOTTOM BAR & BUTTONS
   ========================================================================== */
.fixed-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(226, 232, 240, 0.85);
    box-shadow: var(--shadow-2xl);
    padding-top: 0.625rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    padding-bottom: max(0.625rem, env(safe-area-inset-bottom));
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    will-change: transform;
}

@media (min-width: 640px) {
    .fixed-bottom-bar {
        padding-top: 0.875rem;
        padding-left: 1rem;
        padding-right: 1rem;
        padding-bottom: max(0.875rem, env(safe-area-inset-bottom));
    }
}

.bottom-bar-inner {
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
    width: 100%;
}

@media (min-width: 640px) {
    .bottom-bar-inner {
        gap: 0.75rem;
    }
}

@media (min-width: 768px) {
    .bottom-bar-inner {
        max-width: 52rem;
        gap: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .bottom-bar-inner {
        max-width: 56rem;
    }
}

.action-btn {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    transition: all var(--duration-base) var(--ease-standard);
    user-select: none;
}

@media (min-width: 640px) {
    .action-btn {
        gap: 0.5rem;
    }
}

.action-btn:hover {
    transform: translateY(-2px);
}

.action-btn:active {
    transform: scale(0.97);
}

.btn-icon-next,
.btn-icon-prev,
.btn-icon-submit {
    transition: transform var(--duration-base) var(--ease-bounce);
    display: flex;
    align-items: center;
}

.action-btn:hover .btn-icon-next {
    transform: translateX(-4px);
}

.action-btn:hover .btn-icon-prev {
    transform: translateX(4px);
}

.action-btn:hover .btn-icon-submit {
    transform: translate(-3px, -3px) rotate(-10deg);
}

.btn-prev {
    padding: 0.625rem 1rem;
    background-color: var(--color-slate-100);
    color: var(--color-slate-700);
    border-radius: var(--radius-xl);
    font-size: 0.8125rem;
    border: 1px solid rgba(226, 232, 240, 0.7);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 640px) {
    .btn-prev {
        padding: 0.75rem 1.5rem;
        border-radius: var(--radius-2xl);
        font-size: 1rem;
    }
}

@media (min-width: 768px) {
    .btn-prev {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

.btn-prev:hover {
    background-color: var(--color-slate-200);
}

.btn-actions-right {
    width: 100%;
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.btn-next {
    width: 100%;
    padding: 0.6875rem 1.25rem;
    background-color: var(--color-primary-600);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    font-size: 0.9375rem;
    box-shadow: var(--shadow-btn-primary);
}

@media (min-width: 640px) {
    .btn-next {
        padding: 0.875rem 1.75rem;
        border-radius: var(--radius-2xl);
        font-size: 1rem;
    }
}

@media (min-width: 768px) {
    .btn-next {
        width: auto;
        min-width: 14rem;
        padding: 0.9375rem 2.5rem;
        font-size: 1.0625rem;
    }
}

.btn-next:hover {
    background-color: var(--color-primary-700);
}

.btn-submit {
    width: 100%;
    padding: 0.6875rem 1.25rem;
    background-color: var(--color-primary-700);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    font-size: 0.9375rem;
    box-shadow: var(--shadow-btn-primary);
}

@media (min-width: 640px) {
    .btn-submit {
        padding: 0.875rem 1.75rem;
        border-radius: var(--radius-2xl);
        font-size: 1rem;
    }
}

@media (min-width: 768px) {
    .btn-submit {
        width: auto;
        min-width: 16rem;
        padding: 0.9375rem 2.5rem;
        font-size: 1.0625rem;
    }
}

.btn-submit:hover {
    background-color: var(--color-primary-800);
}

@media (min-width: 768px) {
    .btn-submit {
        width: auto;
        min-width: 16rem;
        padding: 0.9375rem 2.5rem;
        font-size: 1.0625rem;
    }
}

.btn-submit:hover {
    background-color: var(--color-primary-800);
}

.btn-animate-in {
    animation: btnFadeIn 0.3s var(--ease-out-smooth) forwards;
}

/* ==========================================================================
   9. SUCCESS FULLSCREEN VIEW & MODAL
   ========================================================================== */
.success-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    background-color: var(--color-slate-100);
    min-height: 100vh;
    overflow-y: auto;
    opacity: 0;
    transition: opacity var(--duration-smooth) var(--ease-standard);
}

.success-hero {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    color: var(--color-white);
    text-align: center;
    position: relative;
}

@media (min-width: 640px) {
    .success-hero {
        padding-top: 2.5rem;
        padding-bottom: 4rem;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (min-width: 860px) {
    .success-hero {
        padding-top: 3.5rem;
        padding-bottom: 5.5rem;
    }
}

.success-hero-content {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 860px) {
    .success-hero-content {
        max-width: 44rem;
    }
}

.success-icon-badge {
    width: 3rem;
    height: 3rem;
    background-color: #10b981;
    color: #ffffff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

@media (min-width: 640px) {
    .success-icon-badge {
        width: 3.75rem;
        height: 3.75rem;
        font-size: 1.75rem;
        margin-bottom: 0.875rem;
    }
}

@media (min-width: 860px) {
    .success-icon-badge {
        width: 4.25rem;
        height: 4.25rem;
        font-size: 2rem;
        margin-bottom: 1.125rem;
    }
}

.success-hero-title {
    font-size: 1.1875rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
    color: #ffffff;
    margin: 0;
    line-height: 1.3;
}

@media (min-width: 640px) {
    .success-hero-title {
        font-size: 1.625rem;
        line-height: 1.35;
    }
}

@media (min-width: 860px) {
    .success-hero-title {
        font-size: 2.125rem;
    }
}

.success-hero-desc {
    color: var(--color-slate-300);
    font-size: 0.78125rem;
    font-weight: var(--font-weight-medium);
    margin-top: 0.25rem;
    line-height: 1.45;
    max-width: 22rem;
}

@media (min-width: 640px) {
    .success-hero-desc {
        font-size: 0.9375rem;
        margin-top: 0.375rem;
        line-height: 1.55;
        max-width: 28rem;
    }
}

@media (min-width: 860px) {
    .success-hero-desc {
        font-size: 1.0625rem;
        max-width: 36rem;
        margin-top: 0.5rem;
    }
}

.success-main-content {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 0.625rem;
    padding-right: 0.625rem;
    margin-top: -1.25rem;
    padding-bottom: 5.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    position: relative;
    z-index: 20;
}

@media (min-width: 640px) {
    .success-main-content {
        padding-left: 1rem;
        padding-right: 1rem;
        margin-top: -2rem;
        padding-bottom: 6.5rem;
        gap: 1rem;
    }
}

@media (min-width: 860px) {
    .success-main-content {
        max-width: 64rem;
        margin-top: -3.5rem;
        padding-bottom: 8rem;
        display: grid;
        grid-template-columns: 22rem 1fr;
        gap: 1.5rem;
        align-items: start;
    }
}

.success-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-slate-100);
    padding: 0.875rem;
    text-align: center;
}

@media (min-width: 640px) {
    .success-card {
        border-radius: var(--radius-3xl);
        box-shadow: var(--shadow-xl);
        padding: 1.5rem;
    }
}

@media (min-width: 860px) {
    .ticket-card {
        grid-column: 1;
        grid-row: 1 / span 2;
        padding: 1.75rem 1.5rem;
    }

    .course-summary-card {
        grid-column: 2;
        grid-row: 1;
        padding: 1.75rem 1.75rem;
    }

    .summary-card {
        grid-column: 2;
        grid-row: 2;
    }

    .success-push-card {
        grid-column: 1;
        grid-row: 3;
    }

    .success-notice-card {
        grid-column: 2;
        grid-row: 3;
    }
}

/* Registration Code Card */
.ticket-card {
    text-align: center;
}

.reg-code-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .reg-code-header {
        gap: 0.5rem;
        margin-bottom: 0.875rem;
    }
}

.reg-code-header-icon {
    color: var(--color-primary-600);
    font-size: 1rem;
}

@media (min-width: 640px) {
    .reg-code-header-icon {
        font-size: 1.125rem;
    }
}

.reg-code-header-title {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-700);
}

@media (min-width: 640px) {
    .reg-code-header-title {
        font-size: 0.875rem;
    }
}

/* Registration Code Row (Compact Box & Inline Copy Button) */
.reg-code-action-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-bottom: 0.625rem;
    width: 100%;
}

@media (min-width: 640px) {
    .reg-code-action-row {
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
}

.reg-code-display-box {
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(238, 242, 255, 0.85));
    border-radius: var(--radius-lg);
    padding: 0.35rem 0.625rem;
    border: 1.5px solid rgba(191, 219, 254, 0.9);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    flex: 1;
    max-width: 12.5rem;
}

@media (min-width: 640px) {
    .reg-code-display-box {
        border-radius: var(--radius-xl);
        padding: 0.45rem 0.875rem;
        min-height: 2.625rem;
        max-width: 14rem;
    }
}

.reg-code-value {
    font-size: 1.125rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: 0.05em;
    color: var(--color-primary-700);
    font-family: var(--font-mono);
    user-select: all;
    word-break: break-all;
    line-height: 1.1;
}

@media (min-width: 640px) {
    .reg-code-value {
        font-size: 1.375rem;
        letter-spacing: 0.06em;
    }
}

.btn-copy-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    min-height: 2.25rem;
    background-color: var(--color-primary-600);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-btn-primary);
    transition: all var(--duration-smooth) var(--ease-standard);
    flex-shrink: 0;
    white-space: nowrap;
}

@media (min-width: 640px) {
    .btn-copy-inline {
        gap: 0.375rem;
        padding: 0.45rem 1rem;
        min-height: 2.625rem;
        font-size: 0.8125rem;
        border-radius: var(--radius-xl);
    }
}

.btn-copy-inline:hover {
    background-color: var(--color-primary-700);
}

.btn-copy-inline:active {
    transform: scale(0.96);
}

.btn-copy-inline.copied {
    background-color: var(--color-success-600) !important;
    box-shadow: var(--shadow-btn-success) !important;
}

.qr-section {
    border-top: 1px solid var(--color-slate-100);
    padding-top: 0.625rem;
}

@media (min-width: 640px) {
    .qr-section {
        padding-top: 1rem;
    }
}

.qr-box-wrapper {
    padding: 0.5rem;
    background-color: rgba(248, 250, 252, 0.9);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: var(--shadow-sm);
    display: inline-block;
}

@media (min-width: 640px) {
    .qr-box-wrapper {
        padding: 0.75rem;
        border-radius: var(--radius-2xl);
    }
}

.qr-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-hint-text {
    font-size: 0.6875rem;
    color: var(--color-slate-400);
    font-weight: var(--font-weight-medium);
    margin-top: 0.375rem;
}

@media (min-width: 640px) {
    .qr-hint-text {
        font-size: 0.75rem;
        margin-top: 0.625rem;
    }
}

/* Course Summary Card */
.course-summary-card {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

@media (min-width: 640px) {
    .course-summary-card {
        gap: 0.875rem;
    }
}

.course-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-slate-100);
}

@media (min-width: 640px) {
    .course-header-row {
        gap: 0.75rem;
        padding-bottom: 0.75rem;
    }
}

.course-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex: 1;
    overflow: hidden;
}

@media (min-width: 640px) {
    .course-title-wrap {
        gap: 0.5rem;
    }
}

.course-mini-icon {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary-500), #4f46e5);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

@media (min-width: 640px) {
    .course-mini-icon {
        width: 2rem;
        height: 2rem;
        border-radius: var(--radius-lg);
        font-size: 0.875rem;
    }
}

.course-title-heading {
    font-size: 0.875rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-900);
    margin: 0;
    line-height: 1.3;
}

@media (min-width: 640px) {
    .course-title-heading {
        font-size: 0.9375rem;
        line-height: 1.35;
    }
}

.course-code-badge-side {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    background-color: var(--color-primary-50);
    border: 1px solid var(--color-primary-200);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .course-code-badge-side {
        gap: 0.25rem;
        padding: 0.2rem 0.5rem;
        border-radius: var(--radius-md);
        font-size: 0.75rem;
    }
}

.course-code-badge-side .code-lbl {
    color: var(--color-primary-600);
    font-weight: var(--font-weight-semibold);
}

.course-code-badge-side .code-val {
    color: var(--color-primary-800);
    font-weight: var(--font-weight-extrabold);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

/* Distinct Course Price Box */
.course-price-highlight-box {
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.9), rgba(240, 253, 250, 0.9));
    border: 1.5px solid rgba(147, 197, 253, 0.8);
    border-radius: var(--radius-xl);
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.06);
}

@media (min-width: 640px) {
    .course-price-highlight-box {
        border-radius: var(--radius-2xl);
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }
}

.price-highlight-text {
    display: flex;
    flex-direction: column;
}

.price-highlight-label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary-900);
}

@media (min-width: 640px) {
    .price-highlight-label {
        font-size: 0.8125rem;
    }
}

.price-highlight-sub {
    font-size: 0.625rem;
    color: var(--color-slate-500);
    font-weight: var(--font-weight-medium);
}

@media (min-width: 640px) {
    .price-highlight-sub {
        font-size: 0.6875rem;
    }
}

.price-highlight-badge {
    background-color: var(--color-white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

@media (min-width: 640px) {
    .price-highlight-badge {
        padding: 0.35rem 0.75rem;
        border-radius: var(--radius-xl);
    }
}

.price-highlight-val {
    font-size: 1rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary-700);
    font-family: var(--font-mono);
}

@media (min-width: 640px) {
    .price-highlight-val {
        font-size: 1.125rem;
    }
}

/* Course Meta Cells */
.course-meta-action-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.375rem;
}

@media (min-width: 480px) {
    .course-meta-action-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}

.course-meta-cell {
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-100);
    border-radius: var(--radius-lg);
    padding: 0.45rem 0.625rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 640px) {
    .course-meta-cell {
        border-radius: var(--radius-xl);
        padding: 0.625rem 0.75rem;
        gap: 0.625rem;
    }
}

.meta-cell-icon {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
    border: 1px solid var(--color-slate-200);
}

@media (min-width: 640px) {
    .meta-cell-icon {
        width: 2rem;
        height: 2rem;
        border-radius: var(--radius-lg);
        font-size: 0.8125rem;
    }
}

.meta-cell-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
}

.meta-cell-label {
    font-size: 0.625rem;
    color: var(--color-slate-400);
    font-weight: var(--font-weight-semibold);
}

@media (min-width: 640px) {
    .meta-cell-label {
        font-size: 0.6875rem;
    }
}

.meta-cell-value {
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
}

@media (min-width: 640px) {
    .meta-cell-value {
        font-size: 0.8125rem;
    }
}

.meta-location-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.6875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-600);
    text-decoration: underline;
    transition: color var(--duration-fast);
}

@media (min-width: 640px) {
    .meta-location-link-btn {
        font-size: 0.75rem;
    }
}

.meta-location-link-btn:hover {
    color: var(--color-primary-800);
}

/* Button to open course details modal */
.btn-show-course-modal {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-slate-100);
    color: var(--color-slate-700);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    transition: all var(--duration-fast);
}

@media (min-width: 640px) {
    .btn-show-course-modal {
        padding: 0.625rem 1rem;
        border-radius: var(--radius-xl);
        font-size: 0.8125rem;
        gap: 0.5rem;
    }
}

.btn-show-course-modal:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border-color: var(--color-primary-200);
}

/* ==========================================================================
   COURSE DETAILS POPUP (SIMPLE, COMPACT & CLEAN)
   ========================================================================== */
.course-popup-dialog {
    max-width: 25rem !important;
    width: 100% !important;
    padding: 1.25rem !important;
    background: #ffffff !important;
    border-radius: var(--radius-2xl) !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.08) !important;
    border: 1px solid var(--color-slate-200) !important;
}

@media (min-width: 640px) {
    .course-popup-dialog {
        max-width: 32rem !important;
        padding: 1.75rem !important;
        border-radius: var(--radius-3xl) !important;
    }
}

.popup-header-simple {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-slate-100);
    margin-bottom: 0.75rem;
}

.popup-simple-title {
    font-size: 1.0625rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-900);
    margin: 0 0 0.2rem 0;
    line-height: 1.35;
}

.popup-simple-code {
    font-size: 0.75rem;
    color: var(--color-slate-500);
}

.popup-simple-code strong {
    color: var(--color-primary-700);
    font-family: var(--font-mono);
}

.btn-close-simple {
    background: var(--color-slate-100);
    border: none;
    color: var(--color-slate-500);
    width: 1.875rem;
    height: 1.875rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all var(--duration-fast);
    flex-shrink: 0;
}

.btn-close-simple:hover {
    background: var(--color-slate-200);
    color: var(--color-slate-800);
}

.popup-simple-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    max-height: 60vh;
    overflow-y: auto;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
}

.popup-simple-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.625rem;
    background-color: var(--color-slate-50);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    gap: 0.5rem;
}

.popup-simple-label {
    color: var(--color-slate-500);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.popup-simple-label i {
    font-size: 0.8125rem;
    color: var(--color-slate-400);
}

.popup-simple-val {
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
    text-align: left;
    word-break: break-word;
}

.popup-simple-val.text-emerald-600 {
    color: #059669;
    font-family: var(--font-mono);
    font-size: 0.9375rem;
}

.popup-row-stacked {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
}

.popup-stacked-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.popup-map-link {
    font-size: 0.6875rem;
    color: var(--color-primary-600);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.popup-map-link:hover {
    text-decoration: underline;
}

.popup-simple-desc {
    font-size: 0.75rem;
    color: var(--color-slate-600);
    line-height: 1.5;
    margin: 0;
    white-space: pre-line;
}

.popup-simple-footer {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-slate-100);
}

.btn-popup-close-simple {
    width: 100%;
    padding: 0.625rem;
    background-color: var(--color-slate-800);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: background-color var(--duration-fast);
}

.btn-popup-close-simple:hover {
    background-color: var(--color-slate-900);
}

/* Summary Card */
.summary-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-slate-100);
    overflow: hidden;
    transition: all var(--duration-fast);
}

@media (min-width: 640px) {
    .summary-card {
        border-radius: var(--radius-3xl);
    }
}

.summary-card-header {
    padding: 0.625rem 0.875rem;
    background-color: rgba(248, 250, 252, 0.85);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color var(--duration-fast);
}

@media (min-width: 640px) {
    .summary-card-header {
        padding: 0.875rem 1.25rem;
    }
}

.summary-card-header.summary-accordion-trigger {
    cursor: pointer;
    user-select: none;
}

.summary-card-header.summary-accordion-trigger:hover {
    background-color: rgba(241, 245, 249, 0.95);
}

.summary-card.is-open .summary-card-header {
    border-bottom: 1px solid var(--color-slate-100);
}

.summary-title-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 640px) {
    .summary-title-wrapper {
        gap: 0.625rem;
    }
}

.summary-icon-box {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-100);
    color: var(--color-primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .summary-icon-box {
        width: 2rem;
        height: 2rem;
        border-radius: var(--radius-lg);
        font-size: 0.875rem;
    }
}

.summary-title-text {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
    display: block;
}

@media (min-width: 640px) {
    .summary-title-text {
        font-size: 0.875rem;
    }
}

.summary-accordion-hint {
    display: block;
    font-size: 0.625rem;
    color: var(--color-slate-400);
    font-weight: var(--font-weight-medium);
    margin-top: 0.05rem;
}

@media (min-width: 640px) {
    .summary-accordion-hint {
        font-size: 0.6875rem;
        margin-top: 0.1rem;
    }
}

.summary-accordion-icon-box {
    width: 1.625rem;
    height: 1.625rem;
    border-radius: var(--radius-full);
    background-color: var(--color-slate-100);
    color: var(--color-slate-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    transition: transform var(--duration-fast), background-color var(--duration-fast);
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .summary-accordion-icon-box {
        width: 1.875rem;
        height: 1.875rem;
        font-size: 0.75rem;
    }
}

.summary-accordion-trigger:hover .summary-accordion-icon-box {
    background-color: var(--color-primary-100);
    color: var(--color-primary-600);
}

.summary-accordion-chevron {
    transition: transform var(--duration-normal) var(--ease-standard);
}

.summary-card.is-open .summary-accordion-chevron {
    transform: rotate(180deg);
}

.summary-list {
    padding: 0.5rem 0.625rem 0.75rem 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 640px) {
    .summary-list {
        padding: 1rem 1.25rem 1.25rem;
        gap: 0.625rem;
    }
}

.summary-row {
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-100);
    border-radius: var(--radius-lg);
    padding: 0.45rem 0.625rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.75rem;
    transition: background-color var(--duration-fast);
}

@media (min-width: 640px) {
    .summary-row {
        border-radius: var(--radius-xl);
        padding: 0.625rem 0.875rem;
        gap: 0.75rem;
        font-size: 0.8125rem;
    }
}

.summary-row:hover {
    background-color: rgba(241, 245, 249, 0.9);
}

.summary-row-vertical {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
}

@media (min-width: 640px) {
    .summary-row-vertical {
        gap: 0.375rem;
    }
}

.summary-row-label {
    font-size: 0.6875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-slate-500);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .summary-row-label {
        font-size: 0.75rem;
        gap: 0.375rem;
    }
}

.summary-row-label i {
    font-size: 0.75rem;
}

@media (min-width: 640px) {
    .summary-row-label i {
        font-size: 0.875rem;
    }
}

.summary-row-val {
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
    word-break: break-word;
    text-align: left;
}

@media (min-width: 640px) {
    .summary-row-val {
        font-size: 0.8125rem;
    }
}

.summary-row-vertical .summary-row-val {
    text-align: right;
    width: 100%;
    color: var(--color-slate-900);
    font-size: 0.8125rem;
    line-height: 1.35;
}

@media (min-width: 640px) {
    .summary-row-vertical .summary-row-val {
        font-size: 0.875rem;
        line-height: 1.4;
    }
}

.summary-row-val.val-ltr {
    font-family: var(--font-mono);
    direction: ltr;
    text-align: left;
    letter-spacing: 0.04em;
    font-weight: 700;
}

.summary-level-badge {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-700);
    background-color: var(--color-primary-50);
    padding: 0.1rem 0.375rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-primary-100);
    font-size: 0.6875rem;
}

@media (min-width: 640px) {
    .summary-level-badge {
        padding: 0.15rem 0.5rem;
        border-radius: var(--radius-md);
        font-size: 0.75rem;
    }
}

@media (min-width: 640px) {
    .btn-new-registration {
        padding: 1rem;
        font-size: 1rem;
    }
}

.btn-new-registration:hover {
    background-color: var(--color-slate-900);
}

.btn-new-registration:active {
    transform: scale(0.98);
}

/* ==========================================================================
   10. ERROR POPUP MODAL
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-dialog-card {
    background-color: var(--color-white);
    border-radius: var(--radius-3xl);
    max-width: 24rem;
    width: 100%;
    padding: 1.5rem;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-slate-100);
    transform: scale(0.95);
    opacity: 0;
    transition: all var(--duration-smooth) var(--ease-out-smooth);
}

@media (min-width: 640px) {
    .modal-dialog-card {
        padding: 2rem;
    }
}

.modal-dialog-card.modal-dialog-open {
    transform: scale(1);
    opacity: 1;
}

.error-icon-circle {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-danger-50);
    color: var(--color-danger-500);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.875rem;
    margin-bottom: 1rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-danger-100);
}

.error-dialog-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-slate-800);
    text-align: center;
}

.error-dialog-message {
    color: var(--color-slate-600);
    font-size: 0.875rem;
    margin-top: 0.75rem;
    line-height: 1.6;
    text-align: center;
    white-space: pre-line;
}

.btn-error-close {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-danger-500);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-btn-danger);
    transition: background-color var(--duration-fast) var(--ease-standard);
    margin-top: 1.5rem;
}

.btn-error-close:hover {
    background-color: var(--color-danger-600);
}

/* ==========================================================================
   11. KEYFRAMES & MICRO-ANIMATIONS
   ========================================================================== */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(0.95);
    }
}

@keyframes slideInFromRight {
    0% {
        opacity: 0;
        transform: translateX(30px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes btnFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.92);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes copyPulse {
    0% {
        transform: scale(1);
    }

    45% {
        transform: scale(1.06);
    }

    100% {
        transform: scale(1);
    }
}

.copy-success-pulse {
    animation: copyPulse 0.35s var(--ease-out-smooth);
}

@keyframes popIn {
    0% {
        transform: scale(0.4);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-pop-in {
    animation: popIn 0.3s var(--ease-bounce) forwards;
}

/* ==========================================================================
   12. INVALID REFERRAL FULLPAGE SCREEN (CALM, CLEAN & FULLSCREEN)
   ========================================================================== */
.invalid-referral-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    min-height: 100vh;
    width: 100%;
    background-color: var(--color-slate-50);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.invalid-referral-screen.hidden {
    display: none !important;
}

.invalid-referral-content {
    width: 100%;
    max-width: 28rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 0;
}

.invalid-icon-circle {
    width: 4.5rem;
    height: 4.5rem;
    background-color: #fee2e2;
    color: #dc2626;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.08);
}

.invalid-card-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-900);
    margin: 0 0 0.75rem 0;
    line-height: 1.35;
}

.invalid-card-desc {
    color: var(--color-slate-500);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0 0 1.5rem 0;
    max-width: 25rem;
}

.invalid-code-box {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    color: var(--color-slate-600);
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.invalid-code-box strong {
    color: var(--color-slate-900);
    font-family: var(--font-mono);
    direction: ltr;
}

.invalid-btn-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
}

.btn-exit-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 2rem;
    min-width: 14rem;
    background-color: var(--color-slate-900);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    transition: all var(--duration-fast) var(--ease-standard);
}

.btn-exit-tab:hover {
    background-color: #020617;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.2);
}

.btn-exit-tab:active {
    transform: translateY(0);
}

.btn-exit-tab i {
    font-size: 0.875rem;
}

/* ==========================================================================
   SUCCESS SCREEN PUSH NOTIFICATION OPT-IN CARD & NOTICE CARD
   ========================================================================== */
.success-push-card {
    background: linear-gradient(135deg, rgba(238, 242, 255, 0.95), rgba(245, 243, 255, 0.9));
    border: 1px solid rgba(199, 210, 254, 0.85);
    border-radius: var(--radius-xl);
    padding: 0.5625rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

@media (min-width: 640px) {
    .success-push-card {
        border-radius: var(--radius-2xl);
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }
}

.push-card-icon {
    width: 1.875rem;
    height: 1.875rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-600);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

@media (min-width: 640px) {
    .push-card-icon {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 0.9375rem;
    }
}

.push-card-content {
    flex: 1;
    text-align: right;
}

.push-card-title {
    font-size: 0.75rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-800);
    margin: 0 0 0.1rem 0;
}

@media (min-width: 640px) {
    .push-card-title {
        font-size: 0.8125rem;
        margin-bottom: 0.15rem;
    }
}

.push-card-desc {
    font-size: 0.625rem;
    color: var(--color-slate-500);
    margin: 0;
    line-height: 1.35;
}

@media (min-width: 640px) {
    .push-card-desc {
        font-size: 0.6875rem;
    }
}

.btn-enable-push {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.35rem 0.625rem;
    background-color: var(--color-primary-600);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.6875rem;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--duration-fast);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}

@media (min-width: 640px) {
    .btn-enable-push {
        gap: 0.35rem;
        padding: 0.45rem 0.875rem;
        border-radius: var(--radius-xl);
        font-size: 0.75rem;
    }
}

.btn-enable-push:hover {
    background-color: var(--color-primary-700);
    transform: scale(1.02);
}

.btn-enable-push.active {
    background-color: #059669 !important;
    cursor: default;
}

/* Success Notice Card */
.success-notice-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-100);
    border-radius: var(--radius-xl);
    padding: 0.5625rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    text-align: right;
}

@media (min-width: 640px) {
    .success-notice-card {
        border-radius: var(--radius-2xl);
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }
}

.notice-icon {
    width: 1.875rem;
    height: 1.875rem;
    border-radius: var(--radius-full);
    background-color: var(--color-slate-100);
    color: var(--color-slate-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .notice-icon {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 0.9375rem;
    }
}

.notice-title {
    font-size: 0.75rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-slate-800);
    margin: 0 0 0.1rem 0;
}

@media (min-width: 640px) {
    .notice-title {
        font-size: 0.8125rem;
        margin-bottom: 0.15rem;
    }
}

.notice-desc {
    font-size: 0.625rem;
    color: var(--color-slate-500);
    margin: 0;
    line-height: 1.35;
}

@media (min-width: 640px) {
    .notice-desc {
        font-size: 0.6875rem;
    }
}

/* ==========================================================================
   SUCCESS SCREEN FIXED BOTTOM FOOTER & PROFESSIONAL WHATSAPP BUTTON
   ========================================================================== */
.success-fixed-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(226, 232, 240, 0.85);
    box-shadow: 0 -4px 16px rgba(15, 23, 42, 0.04);
    padding: 0.5rem 0.75rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    display: flex;
    justify-content: center;
}

@media (min-width: 640px) {
    .success-fixed-footer {
        padding: 0.625rem 1rem;
        padding-bottom: max(0.625rem, env(safe-area-inset-bottom));
    }
}

.success-fixed-footer-inner {
    max-width: 28rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.btn-confirm-whatsapp {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5625rem 1rem;
    min-height: 2.5rem;
    background-color: #059669;
    color: #ffffff !important;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    border: 1px solid #047857;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: background-color var(--duration-fast), border-color var(--duration-fast), box-shadow var(--duration-fast);
    cursor: pointer;
}

@media (min-width: 640px) {
    .btn-confirm-whatsapp {
        gap: 0.625rem;
        padding: 0.6875rem 1.25rem;
        min-height: 2.75rem;
        font-size: 0.9375rem;
        border-radius: var(--radius-xl);
    }
}

.btn-confirm-whatsapp:hover {
    background-color: #047857;
    border-color: #065f46;
    box-shadow: 0 2px 6px rgba(4, 120, 87, 0.2);
    color: #ffffff !important;
}

.btn-confirm-whatsapp:active {
    background-color: #065f46;
}

.btn-confirm-whatsapp i {
    font-size: 1rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .btn-confirm-whatsapp i {
        font-size: 1.125rem;
    }
}

.btn-confirm-whatsapp .arrow-icon {
    font-size: 0.75rem;
    margin-right: auto;
}

.success-footer-note {
    font-size: 0.625rem;
    color: var(--color-slate-500);
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: var(--font-weight-medium);
    text-align: center;
}

@media (min-width: 640px) {
    .success-footer-note {
        font-size: 0.6875rem;
        gap: 0.35rem;
    }
}

.success-footer-note i {
    color: #059669;
    font-size: 0.6875rem;
}

@media (min-width: 640px) {
    .success-footer-note i {
        font-size: 0.75rem;
    }
}

.footer-state-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.footer-state-group.hidden {
    display: none !important;
}

/* Confirmed Status Badge & Action Buttons */
.confirmed-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #059669;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

@media (min-width: 640px) {
    .confirmed-status-badge {
        font-size: 0.8125rem;
    }
}

.confirmed-status-badge i {
    color: #059669;
    font-size: 0.875rem;
}

@media (min-width: 640px) {
    .confirmed-status-badge i {
        font-size: 0.9375rem;
    }
}

.confirmed-buttons-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

@media (min-width: 640px) {
    .confirmed-buttons-row {
        gap: 0.625rem;
    }
}

.btn-footer-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    min-height: 2.375rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

@media (min-width: 640px) {
    .btn-footer-action {
        gap: 0.5rem;
        padding: 0.5625rem 1rem;
        min-height: 2.625rem;
        border-radius: var(--radius-xl);
        font-size: 0.875rem;
    }
}

.btn-footer-wa {
    background-color: #059669;
    border: 1px solid #047857;
    color: #ffffff !important;
}

.btn-footer-wa:hover {
    background-color: #047857;
    box-shadow: 0 2px 6px rgba(4, 120, 87, 0.2);
    color: #ffffff !important;
}

.btn-footer-channel {
    background-color: #0f172a;
    border: 1px solid #1e293b;
    color: #ffffff !important;
}

.btn-footer-channel:hover {
    background-color: #1e293b;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
    color: #ffffff !important;
}

.btn-footer-action i {
    font-size: 0.875rem;
}

@media (min-width: 640px) {
    .btn-footer-action i {
        font-size: 1rem;
    }
}

.btn-footer-action .external-icon {
    font-size: 0.625rem;
    opacity: 0.85;
}

@media (min-width: 640px) {
    .btn-footer-action .external-icon {
        font-size: 0.6875rem;
    }
}