/* ============================================================
   FILE: index.css
   ============================================================ */

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth; color-scheme: dark light;}

:root,
[data-theme="dark"] {
    --bg: #0a0a0f;
    --bg-2: #12121d;
    --card: #1a1a2e;
    --border: #2d3748;
    --text: #f1f5f9;
    --text-2: #94a3b8;
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #5b21b6;
    --accent: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --input-bg: #0f0f1a;
    --highlight: #fbbf24;
}

[data-theme="light"] {
    --bg: #f1f5f9;
    --bg-2: #ffffff;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-2: #64748b;
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #5b21b6;
    --accent: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --input-bg: #f8fafc;
    --highlight: #f59e0b;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text); /* Đảm bảo chữ luôn đổi màu theo theme */
    min-height: 100vh;
    line-height: 1.6;
    padding-bottom: 100px;
    transition: background .3s, color .3s;
}

/* Đảm bảo các input, button cũng đổi màu chữ theo */
input, button, select, textarea {
    color: inherit;
}

/* ============ HEADER ============ */
.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--bg-2);
    height: calc(70px + env(safe-area-inset-top));
    padding-top: calc(10px + env(safe-area-inset-top));
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 2000;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.header-right { display: flex; align-items: center; gap: 10px; }
.header-theme-btn {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 16px;
    cursor: pointer;
    transition: .2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.header-theme-btn:hover { border-color: var(--primary); color: var(--primary); transform: rotate(20deg); }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
    width: 44px; height: 44px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(167,139,250,.45);
    background: #1a1430;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-name {
    font-size: 17px;
    font-weight: 800;
    color: #e9d5ff;
    letter-spacing: .6px;
}
[data-theme="light"] .brand-name { color: var(--primary); }

/* ============ MENU TOGGLE BUTTON ============ */
.menu-toggle-btn {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .2s;
    flex-shrink: 0;
}
.menu-toggle-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============ SIDEBAR ============ */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 2100;
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    backdrop-filter: blur(3px);
}
.sidebar-overlay.active { opacity: 1; visibility: visible; }

.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    background: var(--card);
    border-right: 2px solid var(--primary);
    z-index: 2200;
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.34,1.2,.64,1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.sidebar.active { transform: translateX(0); }
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    padding-top: calc(18px + env(safe-area-inset-top));
    border-bottom: 1px solid var(--border);
    background: var(--bg-2);
    position: sticky;
    top: 0;
    z-index: 2;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    color: var(--highlight);
}
[data-theme="light"] .sidebar-brand { color: var(--primary); }
.sidebar-brand i { color: var(--primary); font-size: 18px; }
.sidebar-close {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .2s;
}
.sidebar-close:hover { background: var(--danger); color: #fff; transform: rotate(90deg); }
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 12px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: .2s;
    border: 1px solid transparent;
    cursor: pointer;
    background: transparent;
    font-family: inherit;
    width: 100%;
    text-align: left;
}
.sidebar-link:hover {
    background: rgba(124,58,237,.1);
    border-color: var(--primary);
    color: var(--primary);
}
.sidebar-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(124,58,237,.4);
}
.sidebar-link i { width: 18px; text-align: center; font-size: 14px; }
.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 4px;
}

/* ============ SECTION & SEARCH ============ */
.section {
    padding: calc(90px + env(safe-area-inset-top)) 20px 30px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-title-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.section-title-bar h2 {
    font-size: 22px;
    color: var(--text);
    border-bottom: 3px solid var(--primary);
    padding-bottom: 5px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.title-search-box {
    position: relative;
    flex: 1;
    max-width: 380px;
    min-width: 160px;
}
.search-input {
    width: 100%;
    padding: 10px 40px 10px 40px;
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--text);
    border-radius: 14px;
    font-family: inherit;
    font-size: 13px;
    outline: none;
    transition: .2s;
}
.search-input:focus { border-color: var(--primary); }
.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    pointer-events: none;
}
.search-clear-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 26px; height: 26px;
    border-radius: 50%;
    background: rgba(239,68,68,.15);
    border: none;
    color: var(--danger);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}
.search-clear-btn.show { display: flex; }

/* ============ TOOLBAR ============ */
.toolbar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.category-dropdown-wrapper { position: relative; z-index: 100; }
.category-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--text);
    border-radius: 14px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    min-width: 200px;
    transition: .25s;
}
.category-dropdown-btn:hover { border-color: var(--primary); }
.category-dropdown-btn > i.fa-filter { color: var(--primary); }
.dropdown-label { flex: 1; text-align: left; }
.dropdown-arrow { color: var(--text-2); transition: .3s; }
.category-dropdown-btn.active .dropdown-arrow { transform: rotate(180deg); color: var(--primary); }
.category-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 240px;
    background: var(--card);
    border: 1.5px solid var(--primary);
    border-radius: 14px;
    padding: 8px;
    box-shadow: 0 15px 40px rgba(0,0,0,.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: .25s;
    z-index: 500;
    max-height: 60vh;
    overflow-y: auto;
}
.category-dropdown-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }
.category-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-2);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}
.category-dropdown-item:hover { background: var(--input-bg); color: var(--text); }
.category-dropdown-item.selected {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}
.item-check { width: 16px; font-size: 12px; opacity: 0; }
.category-dropdown-item.selected .item-check { opacity: 1; }
.item-label { flex: 1; }
.item-count {
    font-size: 11px;
    background: rgba(255,255,255,.1);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}
.category-dropdown-item.selected .item-count { background: rgba(255,255,255,.2); }

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 6px 10px;
}
.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
.pagination-btn:hover:not(:disabled) { transform: translateY(-2px); }
.pagination-btn:disabled { opacity: .35; cursor: not-allowed; background: var(--input-bg); }
.pagination-info {
    padding: 0 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    min-width: 80px;
    height: 36px;
    border-radius: 10px;
    background: rgba(124,58,237,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.current-page { color: var(--primary); font-size: 15px; }
.total-pages { color: var(--text-2); font-size: 13px; }
.divider { color: var(--text-2); }
.pagination-bottom-wrapper { display: flex; justify-content: center; margin-top: 25px; }

/* ============ SHOP GRID ============ */
.search-result-info {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    margin-bottom: 15px;
    background: rgba(124,58,237,.1);
    border: 1px solid rgba(124,58,237,.3);
    border-radius: 12px;
    font-size: 12px;
    color: var(--primary);
}
.search-result-info.show { display: flex; }

.shop-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}
@media (min-width: 768px) {
    .shop-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}
.shop-card-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: .3s;
    position: relative;
}
.shop-card-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(124,58,237,.3);
}
.shop-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--input-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.shop-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: .5s;
}
.shop-card-item:hover .shop-card-img img { transform: scale(1.08); }
.sold-badge {
    position: absolute;
    top: 8px; right: 8px;
    background: rgba(16,185,129,.95);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    z-index: 3;
}
.shop-card-body {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 100%;
}
.shop-card-title-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    justify-content: flex-start;
    margin-bottom: 4px;
}
.shop-card-logo {
    width: 32px; height: 32px;
    border-radius: 8px;
    object-fit: cover;
    background: var(--input-bg);
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.shop-card-title {
    font-weight: 700;
    color: var(--text);
    font-size: 14px;
    flex: 1;
    text-align: left;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    white-space: normal;
}
.shop-card-desc-toggle {
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--text-2);
    padding: 6px 10px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.shop-card-desc-toggle:hover { border-color: var(--primary); color: var(--text); }
.shop-card-desc-content {
    display: none;
    font-size: 11.5px;
    color: var(--text-2);
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    text-align: left;
    line-height: 1.5;
    white-space: pre-line;
    max-height: 150px;
    overflow-y: auto;
}
.shop-card-desc-content.show { display: block; }
.shop-card-stats {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-2);
    justify-content: center;
    flex-wrap: wrap;
}
.shop-card-stats b { color: var(--accent); }
.shop-card-price {
    font-size: 17px;
    font-weight: 800;
    color: var(--highlight);
    text-align: center;
}
.shop-card-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 10px 0;
    border-radius: 10px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    font-size: 13px;
    width: 100%;
    font-family: inherit;
    transition: .2s;
    margin-top: auto;
}
.shop-card-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(124,58,237,.5); }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-2);
    grid-column: 1 / -1;
}
.empty-state i { font-size: 60px; margin-bottom: 15px; opacity: .4; }

/* ============ BOTTOM NAV ============ */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    z-index: 2000;
    padding-bottom: env(safe-area-inset-bottom);
}
.bottom-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px;
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
    position: relative;
}
.login-btn-nav {
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 50px;
    color: #fff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(124,58,237,.5);
    z-index: 2001;
}
.login-btn-nav:hover { transform: translateX(-50%) translateY(-2px); }

/* ============ AVATAR ============ */
.center-avatar {
    position: absolute;
    left: 50%;
    bottom: 15px;
    transform: translateX(-50%);
    width: 70px; height: 70px;
    display: none;
    cursor: pointer;
    z-index: 2001;
}
.center-avatar .avatar-wrapper {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--bg-2);
    box-shadow: 0 0 0 3px var(--primary), 0 8px 25px rgba(124,58,237,.6);
    overflow: hidden !important;
}
.center-avatar:hover { transform: translateX(-50%) scale(1.08); }
.avatar-text {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    z-index: 1;
}
.avatar-img {
    position: absolute;
    top: 0; left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 50%;
    z-index: 2;
}

/* ============ NÚT SỐ DƯ ============ */
.right-disabled-btn {
    padding: 9px 14px;
    background: var(--input-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: default;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all .3s ease;
}

/* ============ USER MENU ============ */
.user-menu {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(15px) scale(.92);
    background: var(--card);
    border: 2px solid var(--primary);
    border-radius: 20px;
    width: 360px;
    max-width: calc(100vw - 30px);
    box-shadow: 0 25px 60px rgba(0,0,0,.6);
    opacity: 0;
    visibility: hidden;
    transition: .3s cubic-bezier(.34,1.56,.64,1);
    z-index: 2500;
    max-height: 85vh;
    overflow-y: auto;
}
.user-menu.active { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0) scale(1); }
.user-menu-close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: .2s;
}
.user-menu-close:hover {
    background: var(--danger);
    color: #fff;
    transform: rotate(90deg);
}
.user-menu-body { padding: 16px; }
.user-menu-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px;
}
.user-menu-avatar {
    position: relative;
    flex-shrink: 0;
}
.user-menu-avatar .avatar-wrapper {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary);
    overflow: hidden !important;
}
.avatar-text-large {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    z-index: 1;
}
.avatar-camera-btn {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    border: 2px solid var(--card);
    cursor: pointer;
    z-index: 5;
    transition: .2s;
    box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.avatar-camera-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}
.user-menu-info { flex: 1; min-width: 0; }
.user-menu-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-menu-username { font-size: 13px; color: var(--text-2); }
.user-menu-role {
    display: inline-block;
    margin-top: 6px;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}
.role-admin { background: var(--danger); color: #fff; }
.role-member { background: var(--primary); color: #fff; }

.user-profile-info {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.user-info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    padding: 4px 0;
    border-bottom: 1px dashed var(--border);
}
.user-info-row:last-child { border-bottom: none; }
.info-icon { width: 18px; text-align: center; color: var(--primary); }
.info-label { color: var(--text-2); font-weight: 500; flex: 0 0 auto; }
.info-value {
    color: var(--text);
    font-weight: 700;
    margin-left: auto;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}
.user-menu-actions { display: flex; flex-direction: column; gap: 6px; }
.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: var(--input-bg);
    border: 1px solid var(--border);
    width: 100%;
    text-align: left;
    text-decoration: none;
    transition: .2s;
}
.user-menu-item:hover {
    background: rgba(124,58,237,.15);
    color: var(--text);
    border-color: var(--primary);
}
.user-menu-item i { width: 20px; text-align: center; }
.user-menu-item.danger { color: var(--danger); }
.user-menu-item.danger:hover { background: rgba(239,68,68,.15); border-color: var(--danger); }

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.85);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(6px);
    overflow-y: auto;
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: var(--card);
    border: 2px solid var(--primary);
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    max-height: 92vh;
    overflow-y: auto;
    padding: 24px;
    position: relative;
    animation: popIn .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popIn { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-x {
    position: absolute;
    top: 12px; right: 15px;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}
.modal-x:hover { background: var(--danger); color: #fff; transform: rotate(90deg); }
.modal-title {
    color: var(--primary);
    font-size: 17px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    text-transform: uppercase;
}
.modal-sub { color: var(--text-2); font-size: 13px; text-align: center; margin-bottom: 18px; }

/* ============ FORM ============ */
.form-group { margin-bottom: 12px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-2);
    font-weight: 600;
    text-transform: uppercase;
}
.form-group label i { margin-right: 4px; color: var(--primary); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}
.btn-primary-full {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: .25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary-full:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(124,58,237,.5); }
.btn-primary-full:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary-full {
    width: 100%;
    padding: 14px;
    background: var(--input-bg);
    color: var(--text);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-secondary-full:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============ AUTH TABS & CAPTCHA ============ */
.auth-tabs {
    display: flex;
    gap: 6px;
    background: var(--input-bg);
    padding: 6px;
    border-radius: 10px;
    margin-bottom: 16px;
}
.auth-tab {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    background: transparent;
    color: var(--text-2);
    border: none;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.auth-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}
.captcha-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--input-bg);
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
}
.captcha-box span {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
    min-width: 80px;
}
.captcha-box input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    color: var(--text) !important;
    font-size: 14px;
    font-weight: 700;
    padding: 0 !important;
    box-shadow: none !important;
}

/* ============ AVATAR POPUP ============ */
.avatar-preview-box {
    display: flex;
    justify-content: center;
    margin: 16px 0 20px;
}
.avatar-preview-wrap {
    width: 120px !important;
    height: 120px !important;
    border-radius: 50% !important;
    border: 4px solid var(--primary) !important;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    position: relative;
    overflow: hidden !important;
    display: flex;
    align-items: center;
    justify-content: center;
}
.avatar-preview-wrap .avatar-text-large {
    font-size: 48px !important;
    color: #fff;
    z-index: 1;
}
.avatar-preview-wrap .avatar-img {
    position: absolute;
    top: 0; left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    z-index: 2;
}
.avatar-divider {
    text-align: center;
    color: var(--text-2);
    font-size: 11px;
    font-weight: 700;
    margin: 14px 0;
    position: relative;
}
.avatar-divider::before,
.avatar-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: var(--border);
}
.avatar-divider::before { left: 0; }
.avatar-divider::after { right: 0; }
.upload-file-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--input-bg);
    border: 2px dashed var(--border);
    border-radius: 10px;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
}
.upload-file-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(124,58,237,.05);
}

/* ============ BUY POPUP ============ */
.buy-product-head {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 14px;
    background: rgba(124,58,237,.08);
    border: 1px solid rgba(124,58,237,.3);
    border-radius: 12px;
    margin-bottom: 14px;
}
.buy-product-logo {
    width: 60px; height: 60px;
    border-radius: 10px;
    object-fit: cover;
    background: var(--input-bg);
    border: 2px solid var(--border);
    flex-shrink: 0;
}
.buy-product-name { font-size: 16px; font-weight: 800; color: var(--text); }
.buy-product-price { font-size: 18px; font-weight: 800; color: var(--highlight); margin-top: 4px; }
.buy-desc-toggle {
    background: transparent;
    border: 1.5px dashed var(--border);
    color: var(--text-2);
    padding: 10px 14px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.buy-desc-toggle:hover { border-color: var(--primary); color: var(--text); }
.buy-desc-content {
    display: none;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 13px;
    color: var(--text);
    line-height: 1.6;
    white-space: pre-line;
    margin-bottom: 10px;
    max-height: 200px;
    overflow-y: auto;
}
.buy-desc-content.show { display: block; }
.buy-qty-row { display: flex; align-items: center; gap: 10px; margin: 14px 0; }
.buy-qty-label { font-size: 12px; font-weight: 700; color: var(--text-2); text-transform: uppercase; min-width: 70px; }
.qty-control {
    display: flex;
    align-items: center;
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    flex: 1;
}
.qty-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    width: 40px; height: 42px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}
.qty-btn:hover { background: rgba(124,58,237,.15); }
.qty-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    outline: none;
    padding: 10px;
    font-family: inherit;
}
.buy-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px;
    background: rgba(251,191,36,.1);
    border: 1px solid rgba(251,191,36,.3);
    border-radius: 10px;
    margin: 14px 0;
}
.buy-total-label { font-size: 13px; color: var(--text); font-weight: 600; }
.buy-total-value { font-size: 20px; font-weight: 800; color: var(--highlight); }

/* ============ BANK ============ */
.bank-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bank-card {
    background: var(--input-bg);
    border: 2px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: .25s;
}
.bank-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.bank-card img { width: 70px; height: 70px; object-fit: contain; background: #fff; padding: 4px; border-radius: 10px; }
.bank-card .bank-name { font-size: 12px; font-weight: 700; color: var(--text); text-align: center; }

/* ============ QR ============ */
.qr-info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 13px;
    gap: 10px;
}
.qr-info-row:last-child { border-bottom: none; }
.qr-label { color: var(--text-2); flex-shrink: 0; }
.qr-value {
    color: var(--text);
    font-weight: 700;
    text-align: right;
    word-break: break-word;
    font-family: 'Courier New', monospace;
}
.qr-value.highlight { color: var(--accent); }
.qr-status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(245,158,11,.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}
.qr-image-box { background: #fff; border-radius: 14px; padding: 12px; margin: 16px 0; text-align: center; }
.qr-image-box img { max-width: 100%; display: block; margin: 0 auto; }
.qr-no-image {
    text-align: center;
    padding: 20px;
    color: var(--text-2);
    font-size: 13px;
    background: var(--input-bg);
    border: 1px dashed var(--border);
    border-radius: 10px;
    margin: 16px 0;
}
.qr-content-box {
    background: #000;
    color: #0f0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 700;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--accent);
    text-align: center;
    word-break: break-all;
    margin: 8px 0;
    cursor: pointer;
}
.qr-content-box:hover { background: #001a00; }

/* ============================================================
   LỊCH SỬ ĐƠN HÀNG (ĐỒNG BỘ MÀU SẮC)
   ============================================================ */
.hist-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 5px solid var(--primary);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: .2s;
}
.hist-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

.hist-card.status-pending { border-left-color: var(--warning); }
.hist-card.status-paid { border-left-color: var(--accent); }
.hist-card.status-cancelled { border-left-color: #6b7280; }

.hist-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.hist-tx {
    background: var(--input-bg);
    color: var(--text);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 13px;
    border: 1px solid var(--border);
    white-space: nowrap;
}
.hist-status {
    background: var(--input-bg);
    color: var(--text-2);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hist-card-mid {
    display: flex;
    align-items: center;
    gap: 12px;
}
.hist-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    background: var(--input-bg);
    border: 1px solid var(--border);
}
.hist-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hist-card-stats {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.hist-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text);
}
.hist-stat-qty { color: var(--info); }
.hist-stat-price { color: var(--accent); }

.hist-card-time {
    font-size: 12px;
    color: var(--text-2);
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px dashed var(--border);
    padding-top: 12px;
    margin-top: 4px;
}

.hist-card-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
    flex-wrap: wrap;
}
.hist-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #fff;
    border: none;
    transition: .2s;
}
.hist-btn:hover { transform: translateY(-2px); filter: brightness(1.1); }

/* Đồng bộ nút bấm: View/Download dùng màu Tím, Delete dùng màu Xám */
.hist-btn-view, .hist-btn-download { 
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)); 
}
.hist-btn-delete { 
    background: var(--input-bg); 
    color: var(--text);
    border: 1px solid var(--border);
}
.hist-btn-delete:hover {
    background: rgba(255,255,255,0.05);
}

.hist-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-2);
    font-size: 14px;
}

/* ============ ORDER DETAIL ============ */
.order-detail-head { text-align: center; margin-bottom: 16px; }
.order-detail-head img { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; margin-bottom: 8px; }
.order-detail-head h3 { color: var(--text); font-size: 16px; }
.resource-box {
    background: #000;
    color: #0f0;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    padding: 14px;
    border-radius: 10px;
    border: 1px solid var(--accent);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
    margin: 10px 0;
}
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 100px; right: 20px;
    background: var(--card);
    border-left: 4px solid var(--accent);
    padding: 14px 20px;
    border-radius: 8px;
    transform: translateX(150%);
    opacity: 0;
    transition: .3s;
    z-index: 6000;
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    max-width: 340px;
}
.toast.show { transform: translateX(0); opacity: 1; }
.toast.error { border-color: var(--danger); }

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
    .section { padding: calc(90px + env(safe-area-inset-top)) 15px 30px; }
    .section-title-bar h2 { font-size: 17px; }
    .shop-card-title { font-size: 13px; }
    .modal-box { padding: 18px; }
    .category-dropdown-btn { min-width: 140px; padding: 9px 12px; font-size: 12px; }
    .pagination-btn { width: 32px; height: 32px; font-size: 12px; }
    .pagination-info { min-width: 60px; font-size: 12px; height: 32px; }
    .bank-card { padding: 12px; }
    .bank-card img { width: 55px; height: 55px; }
    .user-menu { bottom: 82px; width: calc(100vw - 24px); }
}