/* ==========================================
   FC MOBILE x10 - PREMIUM DESIGN SYSTEM
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* --- CSS VARIABLES (THEME) --- */
:root {
    /* FV Theme - Green */
    --fv-primary: #00C853;
    --fv-primary-dark: #00A844;
    --fv-primary-light: #69F0AE;
    --fv-gradient: linear-gradient(135deg, #00C853 0%, #00E676 50%, #76FF03 100%);
    --fv-glow: 0 0 30px rgba(0, 200, 83, 0.4);
    --fv-bg-gradient: linear-gradient(180deg, #0a1a0f 0%, #0d2818 50%, #0a1a0f 100%);
    --fv-card-bg: rgba(0, 200, 83, 0.08);
    --fv-card-border: rgba(0, 200, 83, 0.2);

    /* Đá Quý Theme - Red */
    --dq-primary: #E53935;
    --dq-primary-dark: #C62828;
    --dq-primary-light: #FF5252;
    --dq-gradient: linear-gradient(135deg, #E53935 0%, #FF5252 50%, #FF8A80 100%);
    --dq-glow: 0 0 30px rgba(229, 57, 53, 0.4);
    --dq-bg-gradient: linear-gradient(180deg, #1a0a0a 0%, #2a0d0d 50%, #1a0a0a 100%);
    --dq-card-bg: rgba(229, 57, 53, 0.08);
    --dq-card-border: rgba(229, 57, 53, 0.2);

    /* Common */
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.12);
    --text-white: #ffffff;
    --text-gray: #94a3b8;
    --text-dim: #64748b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-round: 50px;
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme classes applied to body */
body.theme-fv {
    --primary: var(--fv-primary);
    --primary-dark: var(--fv-primary-dark);
    --primary-light: var(--fv-primary-light);
    --gradient: var(--fv-gradient);
    --glow: var(--fv-glow);
    --bg-gradient: var(--fv-bg-gradient);
    --card-bg: var(--fv-card-bg);
    --card-border: var(--fv-card-border);
}

body.theme-daquy {
    --primary: var(--dq-primary);
    --primary-dark: var(--dq-primary-dark);
    --primary-light: var(--dq-primary-light);
    --gradient: var(--dq-gradient);
    --glow: var(--dq-glow);
    --bg-gradient: var(--dq-bg-gradient);
    --card-bg: var(--dq-card-bg);
    --card-border: var(--dq-card-border);
}

/* --- RESET & BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 14px;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- ANIMATED BACKGROUND PARTICLES --- */
.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-particles .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 8s infinite ease-in-out;
}

@keyframes floatParticle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.2; }
    50% { transform: translateY(-100px) scale(1.5); opacity: 0.6; }
}

/* --- HEADER --- */
header {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.header-container {
    max-width: 1040px;
    padding: 12px 20px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 30px;
    filter: drop-shadow(0 0 10px var(--primary));
}

.header-divider {
    width: 1px;
    height: 20px;
    background: var(--border-glass);
}

.header-title {
    font-weight: 700;
    font-size: 16px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-badge {
    background: var(--gradient);
    color: #000;
    font-weight: 800;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: var(--radius-round);
    letter-spacing: 1px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: var(--glow); }
}

/* --- SERVICE SWITCHER --- */
.service-switcher {
    max-width: 1040px;
    margin: 0 auto;
    padding: 20px 20px 0;
    position: relative;
    z-index: 1;
}

.switcher-tabs {
    display: flex;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
}

.switcher-tab {
    flex: 1;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-gray);
    text-decoration: none;
}

.switcher-tab:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
}

.switcher-tab.active {
    background: var(--gradient);
    color: #000;
    font-weight: 700;
    box-shadow: var(--glow);
}

.switcher-tab img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

/* --- HERO BANNER --- */
.hero-banner {
    max-width: 1040px;
    margin: 20px auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-bg {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    display: flex;
    align-items: center;
    gap: 15px;
}

.hero-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    border: 2px solid var(--primary);
    box-shadow: var(--glow);
}

.hero-info h1 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 4px;
}

.hero-info .hero-subtitle {
    color: var(--primary-light);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-x10-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient);
    color: #000;
    font-weight: 900;
    font-size: 18px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    animation: pulse 2s infinite;
    letter-spacing: 1px;
}

/* --- MAIN CONTAINER --- */
.main-container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 20px 120px;
    position: relative;
    z-index: 1;
}

/* --- SECTION HEADERS --- */
.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 25px 0 15px;
    animation: fadeInUp 0.6s ease-out;
}

.section-number {
    width: 28px;
    height: 28px;
    background: var(--gradient);
    color: #000;
    font-weight: 800;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
}

/* --- GLASS CARD --- */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    animation: fadeInUp 0.6s ease-out;
}

/* --- LOGIN SECTION --- */
.login-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.login-form-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.form-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.form-label-text {
    font-weight: 600;
    font-size: 14px;
}

.uid-guide-link {
    color: var(--primary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.uid-guide-link:hover {
    text-decoration: underline;
}

.input-row {
    display: flex;
    gap: 10px;
}

.input-field {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    outline: none;
}

.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary), 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.input-field::placeholder {
    color: var(--text-dim);
}

.btn-primary {
    padding: 12px 20px;
    background: var(--gradient);
    color: #000;
    font-weight: 700;
    font-size: 14px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: 'Inter', sans-serif;
}

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

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

/* --- PROMO CARD --- */
.promo-card {
    background: linear-gradient(135deg, rgba(0,0,0,0.6), rgba(0,0,0,0.8));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.promo-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--card-bg) 0%, transparent 70%);
    animation: shimmer 4s infinite linear;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.promo-text {
    position: relative;
    z-index: 1;
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

.promo-highlight {
    color: var(--primary);
    font-weight: 700;
    font-size: 20px;
    display: block;
    margin: 5px 0;
}

.promo-accent {
    color: var(--primary-light);
    font-weight: 600;
}

/* --- USER INFO (logged in) --- */
.user-info-card {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.user-details .user-uid {
    font-weight: 700;
    font-size: 16px;
}

.user-details .user-region {
    color: var(--text-gray);
    font-size: 13px;
}

.logout-btn {
    margin-left: auto;
    color: #ef4444;
    font-size: 20px;
    transition: var(--transition);
}

.logout-btn:hover {
    transform: scale(1.2);
}

/* --- CURRENCY GRID --- */
.currency-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.currency-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.currency-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
}

.currency-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.currency-item:hover::before {
    opacity: 0.08;
}

.currency-item.selected {
    border-color: var(--primary);
    box-shadow: var(--glow);
    background: var(--card-bg);
}

.currency-item.selected::before {
    opacity: 0.15;
}

.currency-top {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.currency-icon {
    width: 22px;
    height: 22px;
}

.currency-amount {
    font-weight: 800;
    font-size: 18px;
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.currency-price {
    font-size: 13px;
    color: var(--text-gray);
    position: relative;
    z-index: 1;
}

.currency-bonus {
    display: inline-block;
    background: var(--gradient);
    color: #000;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-round);
    margin-top: 4px;
    position: relative;
    z-index: 1;
}

.promo-bar {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-gray);
}

.promo-bar strong {
    color: var(--primary);
}

/* --- PAYMENT METHOD --- */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.card-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    cursor: pointer;
    transition: var(--transition);
}

.card-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    background: var(--card-bg);
}

.card-item.selected {
    border-color: var(--primary);
    box-shadow: var(--glow);
    background: var(--card-bg);
}

.card-item img {
    max-width: 80px;
    max-height: 36px;
    object-fit: contain;
    filter: brightness(1.1);
}

/* --- INPUT SECTION --- */
.card-input-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .input-field {
    width: 100%;
    padding-right: 45px;
}

.paste-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    background: none;
    border: none;
}

.paste-btn:hover {
    transform: translateY(-50%) scale(1.2);
}

/* --- PURCHASE BAR --- */
.purchase-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    padding: 12px 20px;
    z-index: 1000;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.purchase-bar-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.purchase-info {
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.purchase-info.visible {
    visibility: visible;
    animation: fadeInUp 0.3s ease-out;
}

.purchase-quantity {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
}

.purchase-quantity .amount {
    color: var(--primary);
    font-weight: 800;
}

.purchase-quantity .bonus {
    color: var(--primary-light);
    font-size: 13px;
}

.purchase-total {
    font-size: 13px;
    color: var(--text-gray);
}

.purchase-total .price {
    font-weight: 700;
    color: var(--text-white);
}

.btn-buy {
    padding: 14px 30px;
    background: var(--gradient);
    color: #000;
    font-weight: 800;
    font-size: 16px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Inter', sans-serif;
}

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

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

.btn-buy.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn-buy .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top: 2px solid #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-buy.loading .spinner {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- POPUP / MODAL --- */
.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease-out;
}

.popup-overlay.show {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.popup-content {
    background: #1a1a2e;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    max-width: 400px;
    width: 100%;
    overflow: hidden;
    animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.popup-header {
    position: relative;
    height: 120px;
    overflow: hidden;
}

.popup-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.popup-close:hover {
    background: rgba(239, 68, 68, 0.6);
    transform: rotate(90deg);
}

.popup-body {
    padding: 20px;
}

.popup-icon-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.popup-game-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
}

.popup-game-title {
    font-weight: 700;
    font-size: 16px;
}

.popup-game-subtitle {
    color: var(--text-gray);
    font-size: 13px;
}

.popup-message {
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
}

.popup-message.success {
    border: 1px solid rgba(0, 200, 83, 0.3);
    color: #69F0AE;
}

.popup-message.error {
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #FF5252;
}

.popup-message.loading {
    border: 1px solid var(--card-border);
    color: var(--text-gray);
}

/* --- SUCCESS ANIMATION --- */
.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    position: relative;
}

.success-icon .circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    animation: drawCircle 0.6s ease-out forwards;
}

.success-icon .check {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 15px;
    border-bottom: 3px solid var(--primary);
    border-left: 3px solid var(--primary);
    transform: translate(-50%, -60%) rotate(-45deg);
    animation: drawCheck 0.4s 0.4s ease-out forwards;
    opacity: 0;
}

@keyframes drawCircle {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes drawCheck {
    from { opacity: 0; transform: translate(-50%, -60%) rotate(-45deg) scale(0); }
    to { opacity: 1; transform: translate(-50%, -60%) rotate(-45deg) scale(1); }
}

/* --- FOOTER --- */
footer {
    position: relative;
    z-index: 1;
    padding: 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
    border-top: 1px solid var(--border-glass);
    margin-bottom: 80px;
}

footer a {
    color: var(--primary);
}

/* --- RESPONSIVE --- */

/* Desktop: 6 columns currency, 4 columns payment */
@media (min-width: 768px) {
    .currency-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .payment-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Tablet & Mobile: <= 767px */
@media (max-width: 767px) {
    body {
        font-size: 13px;
    }

    .login-section {
        grid-template-columns: 1fr;
    }

    .hero-banner {
        padding: 0 12px;
        margin: 12px auto;
    }

    .hero-bg {
        height: 140px;
    }

    .hero-info h1 {
        font-size: 17px;
    }

    .hero-info .hero-subtitle {
        font-size: 11px;
    }

    .hero-icon {
        width: 44px;
        height: 44px;
    }

    .hero-x10-badge {
        font-size: 14px;
        padding: 5px 12px;
        top: 10px;
        right: 10px;
    }

    .hero-overlay {
        padding: 14px;
        gap: 10px;
    }

    /* Header compact */
    .header-container {
        padding: 10px 14px;
    }

    .header-title {
        font-size: 14px;
    }

    .header-badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    .logo img {
        height: 26px;
    }

    /* Service Switcher */
    .service-switcher {
        padding: 14px 12px 0;
    }

    .switcher-tabs {
        gap: 6px;
        padding: 4px;
    }

    .switcher-tab {
        font-size: 13px;
        padding: 10px 8px;
        gap: 6px;
    }

    .switcher-tab img {
        width: 20px;
        height: 20px;
    }

    /* Main container */
    .main-container {
        padding: 0 12px 110px;
    }

    /* Section headers */
    .section-header {
        margin: 18px 0 10px;
        gap: 8px;
    }

    .section-number {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .section-title {
        font-size: 15px;
    }

    /* Glass card */
    .glass-card {
        padding: 14px;
        border-radius: var(--radius-md);
    }

    /* Login */
    .login-form-card {
        padding: 14px;
    }

    .form-label-text {
        font-size: 13px;
    }

    .uid-guide-link {
        font-size: 12px;
    }

    .input-field {
        padding: 11px 14px;
        font-size: 13px;
        min-height: 44px;
    }

    .btn-primary {
        padding: 11px 16px;
        font-size: 13px;
        min-height: 44px;
    }

    .input-row {
        gap: 8px;
    }

    /* Promo card */
    .promo-card {
        padding: 14px;
    }

    .promo-text {
        font-size: 13px;
    }

    .promo-highlight {
        font-size: 17px;
    }

    /* Currency grid: 3 columns on tablet, auto-fit text */
    .currency-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .currency-item {
        padding: 12px 6px;
        border-radius: var(--radius-sm);
        min-height: 80px;
    }

    .currency-amount {
        font-size: 14px;
    }

    .currency-icon {
        width: 18px;
        height: 18px;
    }

    .currency-price {
        font-size: 11px;
    }

    .currency-bonus {
        font-size: 8px;
        padding: 2px 5px;
        margin-top: 3px;
        white-space: nowrap;
    }

    .currency-top {
        gap: 4px;
        margin-bottom: 4px;
    }

    .promo-bar {
        padding: 10px 12px;
        font-size: 12px;
        margin-top: 10px;
    }

    /* Payment grid */
    .payment-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .card-item {
        height: 50px;
        padding: 8px;
        border-radius: var(--radius-sm);
    }

    .card-item img {
        max-width: 60px;
        max-height: 28px;
    }

    /* Card Input */
    .card-input-section {
        gap: 8px;
        margin-top: 8px;
    }

    /* Purchase bar */
    .purchase-bar {
        padding: 10px 12px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }

    .purchase-bar-inner {
        gap: 10px;
    }

    .purchase-quantity {
        font-size: 13px;
        gap: 4px;
    }

    .purchase-quantity .currency-icon {
        width: 16px;
        height: 16px;
    }

    .purchase-quantity .bonus {
        font-size: 11px;
    }

    .purchase-total {
        font-size: 11px;
    }

    .btn-buy {
        padding: 12px 18px;
        font-size: 13px;
        border-radius: var(--radius-sm);
        min-height: 44px;
        white-space: nowrap;
    }

    /* Popup */
    .popup-content {
        max-width: 340px;
        margin: 0 12px;
    }

    .popup-header {
        height: 100px;
    }

    .popup-body {
        padding: 16px;
    }

    .popup-game-icon {
        width: 40px;
        height: 40px;
    }

    .popup-game-title {
        font-size: 14px;
    }

    .popup-message {
        font-size: 13px;
        padding: 12px;
    }

    /* Toast: centered top on mobile */
    .toast {
        top: 12px;
        right: 12px;
        left: 12px;
        max-width: none;
        transform: translateY(-120%);
        font-size: 13px;
        padding: 12px 16px;
    }

    .toast.show {
        transform: translateY(0);
    }

    /* User info */
    .user-avatar {
        width: 40px;
        height: 40px;
    }

    .user-details .user-uid {
        font-size: 14px;
    }

    .user-details .user-region {
        font-size: 12px;
    }
}

/* Small phone: <= 400px */
@media (max-width: 400px) {
    .currency-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .currency-item {
        padding: 14px 10px;
    }

    .currency-amount {
        font-size: 15px;
    }

    .currency-icon {
        width: 20px;
        height: 20px;
    }

    .currency-price {
        font-size: 12px;
    }

    .currency-bonus {
        font-size: 9px;
        padding: 2px 6px;
    }

    .payment-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .switcher-tab {
        font-size: 12px;
        padding: 9px 6px;
        gap: 5px;
    }

    .switcher-tab img {
        width: 18px;
        height: 18px;
    }

    .header-container {
        padding: 8px 10px;
    }

    .header-title {
        font-size: 13px;
    }

    .header-badge {
        font-size: 9px;
        padding: 3px 6px;
    }

    .logo img {
        height: 22px;
    }

    .hero-bg {
        height: 120px;
    }

    .hero-info h1 {
        font-size: 15px;
    }

    .hero-icon {
        width: 38px;
        height: 38px;
    }

    .hero-overlay {
        padding: 10px;
        gap: 8px;
    }

    .section-title {
        font-size: 14px;
    }

    .btn-buy {
        padding: 10px 14px;
        font-size: 12px;
        gap: 5px;
    }

    .purchase-quantity {
        font-size: 12px;
    }

    .purchase-quantity .bonus {
        font-size: 10px;
    }

    .purchase-total {
        font-size: 10px;
    }

    .input-field {
        padding: 10px 12px;
        font-size: 13px;
    }

    .promo-highlight {
        font-size: 15px;
    }

    .promo-text {
        font-size: 12px;
    }
}

/* --- CONFETTI CANVAS --- */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3000;
}

/* --- LOADING SKELETON --- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-glass) 25%, rgba(255,255,255,0.1) 50%, var(--bg-glass) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- TOAST NOTIFICATION --- */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 350px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: rgba(0, 200, 83, 0.3);
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast-icon {
    font-size: 20px;
}

/* --- SCROLL ANIMATIONS --- */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- TOUCH DEVICE OPTIMIZATIONS --- */
@media (hover: none) and (pointer: coarse) {
    .currency-item:hover {
        transform: none;
    }

    .card-item:hover {
        transform: none;
    }

    .btn-primary:hover,
    .btn-buy:hover {
        transform: none;
    }

    .currency-item:active {
        transform: scale(0.96);
        border-color: var(--primary);
    }

    .card-item:active {
        transform: scale(0.96);
        border-color: var(--primary);
    }

    .btn-primary:active,
    .btn-buy:active {
        transform: scale(0.97);
        opacity: 0.9;
    }

    /* Prevent tap highlight on iOS */
    * {
        -webkit-tap-highlight-color: transparent;
    }
}