/* ==========================================================================
   Sainfoxiya Gift Cards - Global Variables & Reset (assets/css/main.css)
   ========================================================================== */

:root {
    /* Unified Global Typography */
    --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

    /* Light Theme Palette */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-elevated: #f1f5f9;
    --bg-input: #ffffff;

    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #6366f1;
    --secondary: #ec4899;
    --accent-cyan: #0284c7;
    --accent-gold: #d97706;
    --accent-emerald: #059669;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-white: #ffffff;

    --border-color: #e2e8f0;
    --border-highlight: #cbd5e1;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-hero-bg: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 8px 25px rgba(79, 70, 229, 0.25);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Rules to Prevent Horizontal Overflow on Mobile */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden !important;
    position: relative;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul { list-style: none; }

input, button, select, textarea {
    font-family: var(--font-primary);
    font-size: inherit;
    border: none;
    outline: none;
    max-width: 100%;
}

button { cursor: pointer; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

/* Helper Utilities */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gold { color: var(--accent-gold); }
.text-success { color: var(--accent-emerald); }
.white-text { color: var(--text-primary) !important; }
.white-text-muted { color: var(--text-secondary) !important; }
.center { text-align: center; }

/* Buttons & Badges */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    user-select: none;
    font-family: var(--font-primary);
    max-width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-glass {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-glass:hover {
    background: #f8fafc;
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--gradient-gold);
    color: #ffffff;
    font-weight: 700;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.btn-outline-light {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-sm {
    padding: 0.45rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline-sm:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-block { width: 100%; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    word-break: break-word;
}

.badge-gold {
    background: #fef3c7;
    color: #b45309;
    border: 1px solid #fde68a;
}

/* Global Mobile Media Queries */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .btn-lg {
        padding: 0.85rem 1.25rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.85rem;
    }

    .badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.65rem;
    }
}

/* ==========================================================================
   Animated CSS Skeleton Loader Engine
   ========================================================================== */
@keyframes skeletonShimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton-loading {
    background: linear-gradient(
        90deg,
        #e2e8f0 25%,
        #f1f5f9 37%,
        #e2e8f0 63%
    ) !important;
    background-size: 200% 100% !important;
    animation: skeletonShimmer 1.4s infinite ease-in-out !important;
    border-radius: var(--radius-sm);
    pointer-events: none;
    user-select: none;
}

/* Card Skeleton Loader Box */
.skeleton-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    box-shadow: var(--shadow-sm);
    min-height: 280px;
}

.skeleton-banner {
    width: 100%;
    height: 110px;
    border-radius: var(--radius-sm);
}

.skeleton-title {
    width: 70%;
    height: 20px;
    border-radius: 4px;
}

.skeleton-subtitle {
    width: 45%;
    height: 14px;
    border-radius: 4px;
}

.skeleton-pills {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.skeleton-pill {
    width: 52px;
    height: 28px;
    border-radius: var(--radius-full);
}

.skeleton-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 0.5rem;
}

.skeleton-price {
    width: 75px;
    height: 24px;
    border-radius: 4px;
}

.skeleton-btn {
    width: 95px;
    height: 36px;
    border-radius: var(--radius-sm);
}

/* Cart & Checkout Calculation Skeleton Loader */
.skeleton-cart-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

.skeleton-cart-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.skeleton-cart-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skeleton-calc-value {
    width: 80px;
    height: 20px;
    border-radius: 4px;
    display: inline-block;
}

/* ==========================================================================
   Form Controls & Field Layout System
   ========================================================================== */
.control-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.25rem;
    width: 100%;
}

.control-group label,
.control-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.45rem;
    line-height: 1.35;
}

.control-group input[type="text"],
.control-group input[type="email"],
.control-group input[type="number"],
.control-group input[type="password"],
.control-group input[type="tel"],
.control-group select,
.control-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.925rem;
    font-family: var(--font-primary);
    color: var(--text-primary);
    transition: var(--transition);
    box-sizing: border-box;
}

.control-group input:focus,
.control-group select:focus,
.control-group textarea:focus {
    background-color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
    outline: none;
}

.control-group input::placeholder,
.control-group textarea::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.control-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.control-row .control-group {
    flex: 1;
}

@media (max-width: 576px) {
    .control-row {
        flex-direction: column;
        gap: 0;
    }
}