/* ============================================
   NEXUSCLOUD — Dashboard & App Styles
   Extends the main style.css
   ============================================ */

/* ── FLASH MESSAGES ── */
.flash-container {
    position: fixed;
    top: calc(var(--nav-h) + 12px);
    right: 16px;
    z-index: 9999;
    max-width: 420px;
    width: 100%;
}

.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 12px 16px;
    border-radius: var(--r-md);
    font-size: var(--fs-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    animation: slideInRight 0.3s var(--ease);
    box-shadow: var(--shadow-lg);
}

.alert--success { background: #DCFCE7; color: #166534; border: 1px solid #BBF7D0; }
.alert--danger  { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
.alert--warning { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.alert--info    { background: #DBEAFE; color: #1E40AF; border: 1px solid #BFDBFE; }
.alert__close { background: none; border: none; font-size: 18px; cursor: pointer; opacity: 0.6; }
.alert__close:hover { opacity: 1; }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ── AUTH PAGES ── */
.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--c-dark-50) 0%, #e0e7ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.auth-container { width: 100%; max-width: 440px; }

.auth-card {
    background: var(--c-white);
    border-radius: var(--r-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--c-dark-200);
}

.auth-card__header { text-align: center; margin-bottom: var(--space-xl); }
.auth-card__title {
    font-family: var(--f-display);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-dark);
    margin: var(--space-lg) 0 var(--space-xs);
}
.auth-card__subtitle { font-size: var(--fs-sm); color: var(--c-dark-500); }
.auth-card__footer {
    text-align: center;
    margin-top: var(--space-xl);
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
}
.auth-card__footer a { color: var(--c-primary); font-weight: 600; }

/* ── FORMS ── */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 6px;
}
.form-label__link { font-size: var(--fs-xs); color: var(--c-primary); font-weight: 500; }
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--c-dark-300);
    border-radius: var(--r-md);
    font-family: var(--f-body);
    font-size: var(--fs-sm);
    color: var(--c-dark);
    background: var(--c-white);
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
    outline: none;
}
.form-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-glow); }
.form-input--sm { padding: 8px 12px; font-size: var(--fs-xs); }
.form-input--mono { font-family: 'Courier New', monospace; font-size: var(--fs-xs); letter-spacing: 0.02em; }
.form-input-wrap { position: relative; }
.form-input-wrap .form-input { padding-right: 40px; }
.form-input__toggle {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--c-dark-400); cursor: pointer;
}
.form-hint { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }

.form-checkbox {
    display: flex; align-items: center; gap: var(--space-sm);
    font-size: var(--fs-sm); color: var(--c-dark-600); cursor: pointer;
}
.form-checkbox input { display: none; }
.form-checkbox__mark {
    width: 18px; height: 18px; border: 2px solid var(--c-dark-300);
    border-radius: 4px; flex-shrink: 0; transition: all var(--t-fast) var(--ease);
    position: relative;
}
.form-checkbox input:checked + .form-checkbox__mark {
    background: var(--c-primary); border-color: var(--c-primary);
}
.form-checkbox input:checked + .form-checkbox__mark::after {
    content: ''; position: absolute; top: 2px; left: 5px;
    width: 5px; height: 8px; border: solid white; border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-group--row { display: flex; align-items: center; justify-content: space-between; }

/* ── NAV EXTRAS ── */
.nav-cart-btn { position: relative; }
.cart-badge {
    position: absolute; top: 2px; right: 2px;
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--c-primary); color: white;
    font-size: 10px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

.nav-dropdown { position: relative; }
.nav-user-btn { display: flex; align-items: center; gap: var(--space-sm); }
.nav-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: white; font-size: 11px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.nav-username { font-size: var(--fs-sm); font-weight: 500; }

.nav-dropdown__menu {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 8px;
    min-width: 200px; background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: var(--r-md); box-shadow: var(--shadow-lg); z-index: 100;
    padding: 6px 0; animation: fadeUp 0.2s var(--ease);
}
.nav-dropdown__menu.show { display: block; }
.nav-dropdown__item {
    display: block; padding: 8px 16px; font-size: var(--fs-sm); color: var(--c-dark-600);
    transition: all var(--t-fast); font-weight: 500;
}
.nav-dropdown__item:hover { background: var(--c-dark-50); color: var(--c-primary); }
.nav-dropdown__item--danger { color: #DC2626; }
.nav-dropdown__item--danger:hover { background: #FEE2E2; }
.nav-dropdown__divider { height: 1px; background: var(--c-dark-200); margin: 4px 0; }

/* ── ADMIN LAYOUT ── */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 260px; background: var(--c-dark); color: white; padding: var(--space-lg);
    display: flex; flex-direction: column; position: fixed; top: 0; left: 0;
    height: 100vh; overflow-y: auto; z-index: 100;
}
.sidebar__header { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-2xl); }
.sidebar__badge {
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
    padding: 2px 8px; border-radius: var(--r-full); background: var(--c-primary); color: white;
}
.sidebar__nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar__link {
    display: flex; align-items: center; gap: var(--space-sm); padding: 10px 12px;
    border-radius: var(--r-md); font-size: var(--fs-sm); font-weight: 500;
    color: var(--c-dark-400); transition: all var(--t-fast);
}
.sidebar__link:hover { background: rgba(255,255,255,0.06); color: white; }
.sidebar__link--active { background: rgba(37,99,235,0.15); color: var(--c-primary-light); }
.sidebar__link--danger { color: #F87171; }
.sidebar__link--danger:hover { background: rgba(248,113,113,0.1); }
.sidebar__divider { height: 1px; background: rgba(255,255,255,0.08); margin: var(--space-md) 0; }

.admin-main { flex: 1; margin-left: 260px; padding: var(--space-2xl); background: var(--c-dark-50); min-height: 100vh; }

.admin-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: var(--space-xl);
}
.admin-header__title { font-family: var(--f-display); font-size: var(--fs-2xl); color: var(--c-dark); }
.admin-header__subtitle { font-size: var(--fs-sm); color: var(--c-dark-500); margin-top: 2px; }

/* ── STATS CARDS ── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); margin-bottom: var(--space-xl); }
.stats-grid--3 { grid-template-columns: repeat(3, 1fr); }

.stat-card {
    display: flex; align-items: center; gap: var(--space-lg); padding: var(--space-lg);
    background: var(--c-white); border: 1px solid var(--c-dark-200); border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
}
.stat-card--compact { flex-direction: column; align-items: flex-start; gap: var(--space-xs); }
.stat-card__icon {
    width: 48px; height: 48px; border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stat-card__icon--blue   { background: #DBEAFE; color: var(--c-primary); }
.stat-card__icon--green  { background: #DCFCE7; color: #16A34A; }
.stat-card__icon--yellow { background: #FEF3C7; color: #D97706; }
.stat-card__icon--purple { background: #EDE9FE; color: #7C3AED; }

.stat-card__label { display: block; font-size: var(--fs-xs); color: var(--c-dark-500); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 500; }
.stat-card__value { display: block; font-family: var(--f-display); font-size: var(--fs-xl); font-weight: 700; color: var(--c-dark); }
.stat-card__value--sm { font-size: var(--fs-lg); }

/* ── CARDS ── */
.card {
    background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: var(--r-lg); box-shadow: var(--shadow-sm); margin-bottom: var(--space-xl);
}
.card__header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-lg) var(--space-xl); border-bottom: 1px solid var(--c-dark-100);
}
.card__title { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); }
.card__body { padding: var(--space-xl); }
.card__footer { padding: var(--space-lg) var(--space-xl); border-top: 1px solid var(--c-dark-100); }

/* ── TABLES ── */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table thead th {
    padding: 10px 16px; font-size: var(--fs-xs); font-weight: 600; color: var(--c-dark-500);
    text-transform: uppercase; letter-spacing: 0.04em; text-align: left;
    border-bottom: 1px solid var(--c-dark-200); background: var(--c-dark-50);
}
.table tbody td { padding: 12px 16px; font-size: var(--fs-sm); color: var(--c-dark-600); border-bottom: 1px solid var(--c-dark-100); }
.table tbody tr:hover { background: var(--c-dark-50); }
.table__empty { text-align: center; color: var(--c-dark-400); padding: var(--space-2xl) !important; }

.table-product { display: flex; align-items: center; gap: var(--space-sm); }
.table-product__img { width: 36px; height: 36px; border-radius: var(--r-sm); object-fit: cover; }
.table-product__placeholder { width: 36px; height: 36px; border-radius: var(--r-sm); background: var(--c-dark-100); display: flex; align-items: center; justify-content: center; color: var(--c-dark-400); }
.table-product span { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); }

/* ── BADGES ── */
.badge {
    display: inline-flex; align-items: center; padding: 2px 10px; border-radius: var(--r-full);
    font-size: 11px; font-weight: 600; text-transform: capitalize;
}
.badge--success { background: #DCFCE7; color: #166534; }
.badge--danger  { background: #FEE2E2; color: #991B1B; }
.badge--warning { background: #FEF3C7; color: #92400E; }
.badge--info    { background: #DBEAFE; color: #1E40AF; }
.badge--outline { background: transparent; border: 1px solid var(--c-dark-300); color: var(--c-dark-600); }

/* ── TABS ── */
.tabs {
    display: flex; gap: 0; background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: var(--r-lg); overflow: hidden; margin-bottom: var(--space-xl);
}
.tabs__item {
    flex: 1; padding: 12px 16px; text-align: center; font-size: var(--fs-sm);
    font-weight: 600; color: var(--c-dark-500); border-right: 1px solid var(--c-dark-200);
    transition: all var(--t-fast);
}
.tabs__item:last-child { border-right: none; }
.tabs__item:hover { background: var(--c-dark-50); color: var(--c-primary); }
.tabs__item--active { background: var(--c-primary); color: white; }

/* ── SETTINGS SECTIONS ── */
.settings-section { margin: var(--space-xl) 0; padding-top: var(--space-lg); border-top: 1px solid var(--c-dark-100); }
.settings-section__title { font-size: var(--fs-base); font-weight: 700; color: var(--c-dark); margin-bottom: var(--space-lg); }

/* ── FILTER BAR ── */
.filter-bar { display: flex; gap: var(--space-sm); align-items: center; flex-wrap: wrap; }

/* ── DASHBOARD CONTAINER ── */
.dashboard-container { padding-top: calc(var(--nav-h) + var(--space-2xl)); padding-bottom: var(--space-4xl); }

.dashboard-header { margin-bottom: var(--space-xl); }
.dashboard-header__title { font-family: var(--f-display); font-size: var(--fs-2xl); color: var(--c-dark); }
.dashboard-header__subtitle { font-size: var(--fs-sm); color: var(--c-dark-500); margin-top: 4px; }

.quick-actions { display: flex; gap: var(--space-sm); margin-bottom: var(--space-xl); flex-wrap: wrap; }

/* ── WALLET BALANCE CARD ── */
.wallet-balance-card {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-2xl); background: linear-gradient(135deg, var(--c-dark) 0%, #1a2744 100%);
    border-radius: var(--r-xl); margin-bottom: var(--space-xl); color: white;
}
.wallet-balance-card__label { display: block; font-size: var(--fs-sm); color: var(--c-dark-400); text-transform: uppercase; letter-spacing: 0.04em; }
.wallet-balance-card__amount { display: block; font-family: var(--f-display); font-size: var(--fs-4xl); font-weight: 800; margin: var(--space-sm) 0; }
.wallet-balance-card__hint { display: block; font-size: var(--fs-sm); color: var(--c-dark-400); }

/* ── MODAL ── */
.modal { display: none; position: fixed; inset: 0; z-index: 9999; align-items: center; justify-content: center; }
.modal.show { display: flex; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(15,23,42,0.5); }
.modal__content {
    position: relative; background: var(--c-white); border-radius: var(--r-xl);
    max-width: 480px; width: 90%; max-height: 90vh; overflow-y: auto;
    box-shadow: var(--shadow-xl); animation: fadeUp 0.3s var(--ease);
}
.modal__header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-lg) var(--space-xl); border-bottom: 1px solid var(--c-dark-100);
}
.modal__title { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); }
.modal__close { background: none; border: none; font-size: 24px; color: var(--c-dark-400); cursor: pointer; }
.modal__body { padding: var(--space-xl); }

/* ── TOP-UP TABS ── */
.topup-tabs { display: flex; gap: var(--space-sm); margin-bottom: var(--space-xl); }
.topup-tab {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: var(--space-xs);
    padding: 10px; border: 1px solid var(--c-dark-200); border-radius: var(--r-md);
    font-size: var(--fs-sm); font-weight: 600; color: var(--c-dark-500);
    background: var(--c-white); cursor: pointer; transition: all var(--t-fast);
}
.topup-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.topup-tab--active { border-color: var(--c-primary); background: var(--c-primary-subtle); color: var(--c-primary); }

/* ── SHOP PAGES ── */
.shop-container { padding-top: calc(var(--nav-h) + var(--space-2xl)); padding-bottom: var(--space-4xl); }
.shop-header { margin-bottom: var(--space-xl); }
.shop-header__title { font-family: var(--f-display); font-size: var(--fs-2xl); color: var(--c-dark); }
.shop-header__count { font-size: var(--fs-sm); color: var(--c-dark-500); margin-top: 4px; }

.shop-filters { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-xl); flex-wrap: wrap; }
.shop-filters__cats { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
.shop-filters__search { display: flex; gap: var(--space-sm); }
.shop-filter-btn {
    padding: 8px 16px; border-radius: var(--r-full); font-size: var(--fs-sm); font-weight: 500;
    color: var(--c-dark-600); border: 1px solid var(--c-dark-200); background: var(--c-white);
    transition: all var(--t-fast);
}
.shop-filter-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.shop-filter-btn--active { background: var(--c-primary); color: white; border-color: var(--c-primary); }

.shop-empty { text-align: center; padding: var(--space-4xl) var(--space-xl); color: var(--c-dark-400); }
.shop-empty h3 { color: var(--c-dark); margin: var(--space-md) 0 var(--space-sm); }
.shop-empty .btn { margin-top: var(--space-lg); }

/* ── PRODUCT GRID ── */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-bottom: var(--space-xl); }

.product-card {
    background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: var(--r-xl); overflow: hidden; transition: all var(--t-base) var(--ease);
}
.product-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }

.product-card__visual {
    height: 160px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.product-card__visual--vps       { background: linear-gradient(135deg, #1E3A5F, #0F172A); }
.product-card__visual--dedicated { background: linear-gradient(135deg, #1E293B, #0F172A); }
.product-card__visual--software  { background: linear-gradient(135deg, #1E1B4B, #0F172A); }
.product-card__visual img { width: 100%; height: 100%; object-fit: cover; }
.product-card__icon { color: rgba(255,255,255,0.3); }
.product-card__badge {
    position: absolute; top: 10px; left: 10px; padding: 3px 10px;
    background: var(--c-primary); color: white; font-size: 10px; font-weight: 700;
    border-radius: var(--r-full); text-transform: uppercase;
}
.product-card__cat-badge {
    position: absolute; top: 10px; right: 10px; padding: 3px 10px;
    background: rgba(0,0,0,0.4); color: rgba(255,255,255,0.8); font-size: 10px;
    font-weight: 600; border-radius: var(--r-full); letter-spacing: 0.04em;
}

.product-card__body { padding: var(--space-lg); }
.product-card__title { font-size: var(--fs-base); font-weight: 700; color: var(--c-dark); margin-bottom: 4px; }
.product-card__desc { font-size: var(--fs-xs); color: var(--c-dark-500); line-height: 1.5; margin-bottom: var(--space-md); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card__pricing { margin-bottom: var(--space-md); }
.product-card__price { font-family: var(--f-display); font-size: var(--fs-xl); font-weight: 700; color: var(--c-dark); }
.product-card__price small { font-size: var(--fs-sm); font-weight: 400; color: var(--c-dark-400); }
.product-card__yearly { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); }
.product-card__actions { display: flex; flex-direction: column; gap: var(--space-sm); }

/* ── CART ── */
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-xl); align-items: start; }
.cart-item {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg);
    padding: var(--space-lg); background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: var(--r-lg); margin-bottom: var(--space-md);
}
.cart-item__info h3 { font-size: var(--fs-base); font-weight: 700; color: var(--c-dark); margin-bottom: 4px; }
.cart-item__controls { display: flex; align-items: center; gap: var(--space-md); }
.cart-item__price { font-family: var(--f-display); font-size: var(--fs-lg); font-weight: 700; color: var(--c-dark); white-space: nowrap; }
.cart-item__remove { color: var(--c-dark-400); }
.cart-item__remove:hover { color: #DC2626; }

.checkout-summary { position: sticky; top: calc(var(--nav-h) + var(--space-xl)); }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: var(--fs-sm); color: var(--c-dark-600); }
.summary-row--total { font-size: var(--fs-lg); }
.summary-row--total strong { color: var(--c-dark); font-family: var(--f-display); }
.summary-divider { height: 1px; background: var(--c-dark-100); margin: var(--space-md) 0; }

.payment-options { display: flex; flex-direction: column; gap: var(--space-sm); }
.payment-option input { display: none; }
.payment-option__card {
    display: flex; align-items: center; gap: var(--space-sm); padding: 12px 16px;
    border: 1px solid var(--c-dark-200); border-radius: var(--r-md); cursor: pointer;
    transition: all var(--t-fast);
}
.payment-option__card span { font-size: var(--fs-sm); font-weight: 600; color: var(--c-dark); }
.payment-option__card small { font-size: var(--fs-xs); color: var(--c-dark-400); margin-left: auto; }
.payment-option input:checked + .payment-option__card { border-color: var(--c-primary); background: var(--c-primary-subtle); }

/* ── CRYPTO PAY PAGE ── */
.crypto-pay-page { max-width: 540px; margin: 0 auto; }
.crypto-pay-card { background: var(--c-white); border: 1px solid var(--c-dark-200); border-radius: var(--r-xl); overflow: hidden; }
.crypto-pay-card__header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-lg) var(--space-xl); border-bottom: 1px solid var(--c-dark-100); }
.crypto-pay-card__header h2 { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); }
.crypto-pay-card__body { padding: var(--space-xl); }

.crypto-status { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--fs-sm); font-weight: 600; }
.crypto-status__dot { width: 8px; height: 8px; border-radius: 50%; }
.crypto-status__dot--awaiting { background: var(--c-warning); animation: pulse-dot 2s infinite; }
.crypto-status__dot--confirming { background: var(--c-primary); animation: pulse-dot 1s infinite; }
.crypto-status__dot--confirmed { background: var(--c-success); }
.crypto-status__dot--expired { background: #EF4444; }

.crypto-timer { display: flex; align-items: center; gap: var(--space-sm); padding: 10px 16px; background: #FEF3C7; border-radius: var(--r-md); margin-bottom: var(--space-xl); font-size: var(--fs-sm); font-weight: 600; color: #92400E; }

.crypto-amount { margin-bottom: var(--space-xl); }
.crypto-amount label { display: block; font-size: var(--fs-xs); color: var(--c-dark-500); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.crypto-amount__value { display: flex; align-items: baseline; gap: var(--space-sm); font-family: var(--f-display); font-size: var(--fs-3xl); font-weight: 800; color: var(--c-dark); }
.crypto-amount__unit { font-size: var(--fs-base); font-weight: 600; color: var(--c-dark-500); }
.crypto-copy-btn { background: none; border: none; cursor: pointer; color: var(--c-dark-400); transition: color var(--t-fast); }
.crypto-copy-btn:hover { color: var(--c-primary); }

.crypto-address { margin-bottom: var(--space-xl); }
.crypto-address label { display: block; font-size: var(--fs-xs); color: var(--c-dark-500); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.crypto-address__value {
    display: flex; align-items: center; gap: var(--space-sm); padding: 12px 16px;
    background: var(--c-dark-50); border: 1px solid var(--c-dark-200); border-radius: var(--r-md);
}
.crypto-address__value code { font-family: 'Courier New', monospace; font-size: var(--fs-sm); color: var(--c-dark); word-break: break-all; flex: 1; }
.crypto-address__network { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); margin-top: 6px; }

.crypto-warning {
    display: flex; gap: var(--space-sm); padding: 12px 16px; background: #FEF2F2;
    border: 1px solid #FECACA; border-radius: var(--r-md); font-size: var(--fs-xs);
    color: #991B1B; line-height: 1.5;
}
.crypto-warning svg { flex-shrink: 0; color: #DC2626; margin-top: 1px; }

.crypto-pay-card__success, .crypto-pay-card__expired { text-align: center; padding: var(--space-3xl); }
.crypto-success-icon, .crypto-expired-icon { margin-bottom: var(--space-lg); }
.crypto-pay-card__success h3 { font-size: var(--fs-xl); color: var(--c-dark); margin-bottom: var(--space-sm); }
.crypto-pay-card__success p { color: var(--c-dark-500); margin-bottom: var(--space-xl); }
.crypto-pay-card__expired h3 { font-size: var(--fs-xl); color: #DC2626; margin-bottom: var(--space-sm); }
.crypto-pay-card__expired p { color: var(--c-dark-500); margin-bottom: var(--space-xl); }

/* ── TEXT UTILITIES ── */
.text-muted { color: var(--c-dark-400) !important; font-size: var(--fs-xs); }
.text-success { color: #16A34A !important; }
.text-danger { color: #DC2626 !important; }
.text-mono { font-family: 'Courier New', monospace; font-size: var(--fs-xs); }

/* ── PAGINATION ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; padding: var(--space-md) 0; }
.pagination__link {
    display: flex; align-items: center; justify-content: center; min-width: 36px; height: 36px;
    padding: 0 10px; border-radius: var(--r-md); font-size: var(--fs-sm); font-weight: 500;
    color: var(--c-dark-600); border: 1px solid var(--c-dark-200); background: var(--c-white);
    transition: all var(--t-fast);
}
.pagination__link:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination__link--active { background: var(--c-primary); color: white; border-color: var(--c-primary); }
.pagination__dots { color: var(--c-dark-400); padding: 0 4px; }

/* ── CARD GRID ── */
.card-grid-2 { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--space-xl); align-items: start; }

/* ── DETAIL ROWS ── */
.detail-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 0; border-bottom: 1px solid var(--c-dark-100);
    font-size: var(--fs-sm);
}
.detail-row:last-child { border-bottom: none; }
.detail-row span { color: var(--c-dark-500); }
.detail-row strong { color: var(--c-dark); }

/* ── SPEC ROWS (Product Form) ── */
.spec-row { display: flex; gap: var(--space-sm); margin-bottom: var(--space-sm); align-items: center; }
.spec-row .form-input { flex: 1; }
.spec-row .btn { flex-shrink: 0; font-size: 18px; color: var(--c-dark-400); }

/* ── DELIVERY DETAILS ── */
.delivery-detail { font-size: var(--fs-xs); line-height: 1.8; }
.delivery-detail .form-label { display: inline; font-size: var(--fs-xs); }

/* ── PRODUCT DETAIL PAGE ── */
.product-detail__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .cart-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .admin-main { margin-left: 0; padding: var(--space-lg); }
    .stats-grid { grid-template-columns: 1fr; }
    .stats-grid--3 { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .admin-header { flex-direction: column; align-items: flex-start; gap: var(--space-md); }
    .form-row { grid-template-columns: 1fr; }
    .shop-filters { flex-direction: column; }
    .tabs { overflow-x: auto; flex-wrap: nowrap; }
    .tabs__item { white-space: nowrap; flex: none; padding: 10px 14px; font-size: var(--fs-xs); }
    .wallet-balance-card { flex-direction: column; text-align: center; gap: var(--space-lg); }
    .wallet-balance-card__amount { font-size: var(--fs-2xl); }
    .crypto-amount__value { font-size: var(--fs-2xl); }
    .cart-item { flex-direction: column; align-items: flex-start; }
    .cart-item__controls { width: 100%; justify-content: space-between; }
    .nav-username { display: none; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .product-detail__grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   TICKET SYSTEM STYLES
   ══════════════════════════════════════ */
.ticket-thread { display: flex; flex-direction: column; gap: 16px; }
.ticket-msg {
    padding: 20px; border-radius: 12px; border: 1px solid var(--c-dark-200);
    background: var(--c-white);
}
.ticket-msg--admin { border-left: 4px solid var(--c-primary); background: #F0F7FF; }
.ticket-msg--user { border-left: 4px solid #7C3AED; }
.ticket-msg__header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.ticket-msg__avatar {
    width: 36px; height: 36px; border-radius: 50%; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; flex-shrink: 0;
}
.ticket-msg__header strong { font-size: var(--fs-sm); color: var(--c-dark); }
.ticket-msg__time { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); }
.ticket-msg__body { font-size: var(--fs-sm); color: var(--c-dark-600); line-height: 1.7; }

/* ══════════════════════════════════════
   KNOWLEDGE BASE STYLES
   ══════════════════════════════════════ */

/* KB Hero with search */
.kb-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    padding: calc(var(--nav-h) + 48px) 0 48px; text-align: center; color: white;
}
.kb-hero--sm { padding: calc(var(--nav-h) + 32px) 0 32px; }
.kb-hero__title { font-family: var(--f-display); font-size: var(--fs-3xl); font-weight: 800; margin-bottom: 8px; }
.kb-hero__subtitle { font-size: var(--fs-base); color: var(--c-dark-400); margin-bottom: 28px; }

.kb-search {
    display: flex; align-items: center; max-width: 600px; margin: 0 auto;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px; padding: 6px 6px 6px 16px; gap: 8px;
}
.kb-search svg { color: var(--c-dark-400); flex-shrink: 0; }
.kb-search__input {
    flex: 1; background: none; border: none; outline: none; color: white;
    font-family: var(--f-body); font-size: var(--fs-base); padding: 8px 0;
}
.kb-search__input::placeholder { color: var(--c-dark-500); }

/* KB Container */
.kb-container { padding-bottom: var(--space-4xl); }

/* KB Sections */
.kb-section { margin-top: 40px; }
.kb-section__title {
    font-family: var(--f-display); font-size: var(--fs-xl); font-weight: 700;
    color: var(--c-dark); margin-bottom: 20px;
}

/* KB Category Grid */
.kb-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kb-cat-card {
    display: block; padding: 24px; background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: 12px; transition: all 0.3s ease; text-decoration: none;
}
.kb-cat-card:hover { box-shadow: 0 8px 32px rgba(15,23,42,0.08); transform: translateY(-2px); border-color: var(--c-primary-light); }
.kb-cat-card__icon {
    width: 48px; height: 48px; border-radius: 10px; background: var(--c-primary-subtle);
    color: var(--c-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.kb-cat-card__name { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); margin-bottom: 6px; }
.kb-cat-card__desc { font-size: var(--fs-sm); color: var(--c-dark-500); line-height: 1.5; margin-bottom: 10px; }
.kb-cat-card__count { font-size: var(--fs-xs); color: var(--c-dark-400); font-weight: 500; }
.kb-cat-card__subs { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.kb-cat-card__subs span { font-size: 11px; padding: 2px 8px; border-radius: 99px; background: var(--c-dark-100); color: var(--c-dark-500); }

/* KB Article Grid (featured) */
.kb-article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kb-article-card {
    display: block; padding: 20px; background: var(--c-white); border: 1px solid var(--c-dark-200);
    border-radius: 10px; transition: all 0.25s ease; text-decoration: none;
}
.kb-article-card:hover { border-color: var(--c-primary-light); box-shadow: var(--shadow-md); }
.kb-article-card__cat { font-size: 11px; font-weight: 600; color: var(--c-primary); text-transform: uppercase; letter-spacing: 0.04em; }
.kb-article-card__title { font-size: var(--fs-base); font-weight: 700; color: var(--c-dark); margin: 8px 0 6px; line-height: 1.3; }
.kb-article-card__excerpt { font-size: var(--fs-sm); color: var(--c-dark-500); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kb-article-card__views { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); margin-top: 10px; }

/* KB Popular list */
.kb-popular-list { display: flex; flex-direction: column; gap: 8px; }
.kb-popular-item {
    display: flex; align-items: center; gap: 14px; padding: 14px 18px;
    background: var(--c-white); border: 1px solid var(--c-dark-200); border-radius: 10px;
    text-decoration: none; transition: all 0.2s ease;
}
.kb-popular-item:hover { border-color: var(--c-primary-light); background: var(--c-primary-subtle); }
.kb-popular-item__num {
    width: 32px; height: 32px; border-radius: 8px; background: var(--c-dark-100);
    color: var(--c-dark-500); font-weight: 700; font-size: var(--fs-sm);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.kb-popular-item__title { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--c-dark); }
.kb-popular-item__meta { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); margin-top: 2px; }

/* KB CTA */
.kb-cta {
    text-align: center; padding: 40px; background: var(--c-dark-50); border-radius: 16px;
    margin-top: 40px; border: 1px solid var(--c-dark-200);
}
.kb-cta h3 { font-family: var(--f-display); font-size: var(--fs-lg); color: var(--c-dark); margin-bottom: 6px; }
.kb-cta p { font-size: var(--fs-sm); color: var(--c-dark-500); margin-bottom: 20px; }

/* KB Breadcrumb */
.kb-breadcrumb {
    display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--c-dark-400);
    margin-bottom: 24px; flex-wrap: wrap;
}
.kb-breadcrumb a { color: var(--c-primary); font-weight: 500; }
.kb-breadcrumb a:hover { text-decoration: underline; }

/* KB Category Layout (sidebar + main) */
.kb-category-layout { display: grid; grid-template-columns: 240px 1fr; gap: 32px; }

/* KB Sidebar */
.kb-sidebar { position: sticky; top: calc(var(--nav-h) + 24px); }
.kb-sidebar__title {
    font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--c-dark-400); margin-bottom: 12px;
}
.kb-sidebar__link {
    display: flex; align-items: center; justify-content: space-between; padding: 10px 12px;
    border-radius: 8px; font-size: var(--fs-sm); font-weight: 500; color: var(--c-dark-600);
    text-decoration: none; transition: all 0.2s ease; margin-bottom: 2px;
}
.kb-sidebar__link:hover { background: var(--c-dark-50); color: var(--c-primary); }
.kb-sidebar__link--active { background: var(--c-primary-subtle); color: var(--c-primary); font-weight: 600; }
.kb-sidebar__count { font-size: 11px; color: var(--c-dark-400); background: var(--c-dark-100); padding: 1px 7px; border-radius: 99px; }

/* KB Main content area */
.kb-main__title { font-family: var(--f-display); font-size: var(--fs-2xl); color: var(--c-dark); margin-bottom: 8px; }
.kb-main__desc { font-size: var(--fs-base); color: var(--c-dark-500); margin-bottom: 28px; line-height: 1.6; }

/* KB Articles list */
.kb-articles-list { display: flex; flex-direction: column; gap: 8px; }
.kb-list-item {
    display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px;
    background: var(--c-white); border: 1px solid var(--c-dark-200); border-radius: 10px;
    text-decoration: none; transition: all 0.2s ease;
}
.kb-list-item:hover { border-color: var(--c-primary-light); background: #FAFCFF; }
.kb-list-item__icon { color: var(--c-dark-400); margin-top: 2px; flex-shrink: 0; }
.kb-list-item__title { display: block; font-size: var(--fs-base); font-weight: 600; color: var(--c-dark); line-height: 1.3; }
.kb-list-item__excerpt { display: block; font-size: var(--fs-sm); color: var(--c-dark-500); margin-top: 4px; line-height: 1.5; }
.kb-list-item__meta { display: block; font-size: var(--fs-xs); color: var(--c-dark-400); margin-top: 6px; }

/* KB Article page */
.kb-article__title { font-family: var(--f-display); font-size: var(--fs-2xl); font-weight: 800; color: var(--c-dark); margin-bottom: 12px; }
.kb-article__meta { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--c-dark-400); margin-bottom: 28px; flex-wrap: wrap; }
.kb-article__content {
    font-size: var(--fs-base); color: var(--c-dark-700); line-height: 1.8;
}
.kb-article__content h2 { font-family: var(--f-display); font-size: var(--fs-xl); color: var(--c-dark); margin: 32px 0 12px; }
.kb-article__content h3 { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); margin: 24px 0 8px; }
.kb-article__content p { margin-bottom: 14px; }
.kb-article__content ul, .kb-article__content ol { margin: 12px 0; padding-left: 24px; }
.kb-article__content li { margin-bottom: 6px; }
.kb-article__content code {
    background: var(--c-dark-100); padding: 2px 6px; border-radius: 4px;
    font-family: 'Courier New', monospace; font-size: 0.9em; color: var(--c-dark-800);
}
.kb-article__content pre {
    background: var(--c-dark); color: #E2E8F0; padding: 16px 20px; border-radius: 8px;
    overflow-x: auto; margin: 16px 0; font-size: var(--fs-sm);
}
.kb-article__content pre code { background: none; padding: 0; color: inherit; }
.kb-article__content strong { color: var(--c-dark); }

/* KB Helpful vote */
.kb-helpful {
    margin-top: 40px; padding: 24px; background: var(--c-dark-50); border-radius: 12px;
    border: 1px solid var(--c-dark-200); text-align: center;
}
.kb-helpful__question { font-size: var(--fs-base); font-weight: 600; color: var(--c-dark); margin-bottom: 14px; }
.kb-helpful__buttons { display: flex; align-items: center; justify-content: center; gap: 12px; }
.kb-helpful__btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px;
    border-radius: 8px; font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
    border: 1px solid var(--c-dark-200); background: var(--c-white); transition: all 0.2s ease;
}
.kb-helpful__btn--yes { color: #16A34A; }
.kb-helpful__btn--yes:hover { background: #DCFCE7; border-color: #16A34A; }
.kb-helpful__btn--no { color: #DC2626; }
.kb-helpful__btn--no:hover { background: #FEE2E2; border-color: #DC2626; }
.kb-helpful__thanks { font-size: var(--fs-sm); color: var(--c-success); font-weight: 600; margin-top: 12px; }

/* KB Related articles */
.kb-related { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--c-dark-200); }
.kb-related h3 { font-size: var(--fs-md); font-weight: 700; color: var(--c-dark); margin-bottom: 12px; }
.kb-related__item {
    display: flex; align-items: center; gap: 8px; padding: 10px 0;
    font-size: var(--fs-sm); color: var(--c-primary); font-weight: 500; text-decoration: none;
    border-bottom: 1px solid var(--c-dark-100);
}
.kb-related__item:hover { color: var(--c-primary-dark); }
.kb-related__item svg { color: var(--c-dark-400); flex-shrink: 0; }

/* KB Search results count */
.kb-search-results__count { font-size: var(--fs-base); color: var(--c-dark-600); margin: 24px 0 20px; }

/* ── KB Responsive ── */
@media (max-width: 1024px) {
    .kb-cat-grid { grid-template-columns: repeat(2, 1fr); }
    .kb-article-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .kb-cat-grid { grid-template-columns: 1fr; }
    .kb-article-grid { grid-template-columns: 1fr; }
    .kb-category-layout { grid-template-columns: 1fr; }
    .kb-sidebar { position: static; }
    .kb-hero__title { font-size: var(--fs-2xl); }
    .kb-search { flex-direction: column; padding: 12px; }
    .kb-search .btn { width: 100%; }
}