/**
 * ============================================
 * USER-PORTAL.CSS — Giao diện người dùng
 * Thương Châu E-commerce Platform
 * ============================================
 */

/* ====== VARIABLES ====== */
:root {
    --tc-primary:    #4f46e5;
    --tc-primary-dk: #3730a3;
    --tc-accent:     #06b6d4;
    --tc-success:    #10b981;
    --tc-warning:    #f59e0b;
    --tc-danger:     #ef4444;
    --tc-info:       #3b82f6;
    --tc-orange:     #f97316;
    --bg-body:       #f1f5f9;
    --bg-white:      #ffffff;
    --bg-sidebar:    #1e293b;
    --bg-sidebar-h:  #334155;
    --text-main:     #1e293b;
    --text-muted:    #64748b;
    --text-white:    #f8fafc;
    --border:        #e2e8f0;
    --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
    --shadow-md:     0 4px 12px rgba(0,0,0,.10);
    --shadow-lg:     0 8px 24px rgba(0,0,0,.12);
    --radius-sm:     6px;
    --radius-md:     10px;
    --radius-lg:     14px;
    --radius-xl:     20px;
    --sidebar-w:     260px;
    --header-h:      64px;
    --transition:    all .2s ease;
}

/* ====== RESET + BASE ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', 'Segoe UI', sans-serif; background: var(--bg-body); color: var(--text-main); font-size: 14px; line-height: 1.6; }
a { color: var(--tc-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; }

/* ====== LAYOUT ====== */
.up-layout {
    display: flex;
    min-height: 100vh;
}

.up-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: 24px;
    min-width: 0;
    overflow-x: hidden;
    transition: var(--transition);
}

/* ====== SIDEBAR ====== */
.user-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-sidebar);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 1000;
    scrollbar-width: thin;
    scrollbar-color: #475569 transparent;
}
.user-sidebar::-webkit-scrollbar { width: 4px; }
.user-sidebar::-webkit-scrollbar-thumb { background: #475569; border-radius: 2px; }

.us-header {
    padding: 20px 16px 16px;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    gap: 12px;
}
.us-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}
.us-avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--tc-primary);
}
.us-online-dot {
    position: absolute;
    bottom: 2px; right: 2px;
    width: 10px; height: 10px;
    background: var(--tc-success);
    border-radius: 50%;
    border: 2px solid var(--bg-sidebar);
}
.us-user-info { min-width: 0; }
.us-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #f1f5f9; }
.us-email { font-size: 11px; color: #94a3b8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.us-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 7px;
    border-radius: 20px;
    background: var(--tc-primary);
    color: #fff;
    margin-top: 3px;
    letter-spacing: .4px;
}
.us-badge.role-admin { background: #7c3aed; }
.us-badge.role-buyer { background: #0891b2; }
.us-badge.role-seller { background: #059669; }
.us-badge.role-support { background: #d97706; }

/* Wallet bar */
.us-wallet-bar {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid #334155;
    background: #0f172a;
}
.us-wallet-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 7px;
    background: #1e293b;
    border-radius: var(--radius-sm);
    padding: 8px;
}
.us-wallet-item .fas { color: var(--tc-accent); font-size: 16px; flex-shrink: 0; }
.us-wallet-label { font-size: 10px; color: #94a3b8; }
.us-wallet-amount { font-size: 12px; font-weight: 700; color: #f1f5f9; }

/* Nav groups */
.us-nav { flex: 1; padding: 8px 0; }
.us-nav-group { margin-bottom: 4px; }
.us-nav-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #475569;
    padding: 10px 16px 4px;
}
.us-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    border-radius: 0;
    position: relative;
    text-decoration: none;
}
.us-nav-item:hover { background: var(--bg-sidebar-h); color: #f1f5f9; text-decoration: none; }
.us-nav-item.active { background: rgba(79,70,229,.25); color: #a5b4fc; border-right: 3px solid var(--tc-primary); }
.us-nav-item.active .fas { color: var(--tc-primary); }
.us-nav-item .fas { width: 16px; text-align: center; font-size: 14px; }
.us-nav-item span:first-of-type { flex: 1; }
.us-count-badge {
    background: var(--tc-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 20px;
    min-width: 18px;
    text-align: center;
}
.us-badge-dot {
    width: 8px; height: 8px;
    background: var(--tc-warning);
    border-radius: 50%;
    display: inline-block;
}

/* Footer */
.us-footer {
    padding: 16px;
    border-top: 1px solid #334155;
}
.us-logout-btn {
    width: 100%;
    padding: 9px;
    background: rgba(239,68,68,.1);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,.2);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.us-logout-btn:hover { background: rgba(239,68,68,.25); color: #fef2f2; }

/* Mobile toggle */
.up-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px; right: 20px;
    z-index: 1100;
    background: var(--tc-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 46px; height: 46px;
    font-size: 18px;
    box-shadow: var(--shadow-lg);
}

/* ====== PAGE HEADER ====== */
.up-page-header {
    margin-bottom: 24px;
}
.up-page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
}
.up-page-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }
.up-breadcrumb {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.up-breadcrumb a { color: var(--tc-primary); }
.up-breadcrumb span { margin: 0 5px; }

/* ====== STAT CARDS ====== */
.up-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.up-stat {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}
.up-stat:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.up-stat.primary { border-color: var(--tc-primary); }
.up-stat.success { border-color: var(--tc-success); }
.up-stat.warning { border-color: var(--tc-warning); }
.up-stat.danger  { border-color: var(--tc-danger); }
.up-stat.info    { border-color: var(--tc-info); }
.up-stat.orange  { border-color: var(--tc-orange); }
.up-stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.up-stat.primary .up-stat-icon { background: rgba(79,70,229,.1); color: var(--tc-primary); }
.up-stat.success .up-stat-icon { background: rgba(16,185,129,.1); color: var(--tc-success); }
.up-stat.warning .up-stat-icon { background: rgba(245,158,11,.1); color: var(--tc-warning); }
.up-stat.danger  .up-stat-icon { background: rgba(239,68,68,.1);  color: var(--tc-danger); }
.up-stat.info    .up-stat-icon { background: rgba(59,130,246,.1); color: var(--tc-info); }
.up-stat.orange  .up-stat-icon { background: rgba(249,115,22,.1); color: var(--tc-orange); }
.up-stat-value { font-size: 22px; font-weight: 700; color: var(--text-main); line-height: 1.2; }
.up-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ====== CARD ====== */
.up-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}
.up-card-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.up-card-header h3 { font-size: 15px; font-weight: 600; }
.up-card-body { padding: 20px; }
.up-card-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    background: #f8fafc;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ====== TABLE ====== */
.up-table-wrap { overflow-x: auto; }
.up-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.up-table th {
    padding: 11px 14px;
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}
.up-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.up-table tr:last-child td { border-bottom: none; }
.up-table tbody tr:hover { background: #f8fafc; }

/* ====== BADGES / STATUS ====== */
.up-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.up-badge.pending        { background: #fef3c7; color: #92400e; }
.up-badge.processing     { background: #dbeafe; color: #1e40af; }
.up-badge.confirmed      { background: #ede9fe; color: #5b21b6; }
.up-badge.shipped        { background: #d1fae5; color: #065f46; }
.up-badge.delivered      { background: #dcfce7; color: #166534; }
.up-badge.completed      { background: #d1fae5; color: #065f46; }
.up-badge.cancelled      { background: #fee2e2; color: #991b1b; }
.up-badge.failed         { background: #fee2e2; color: #991b1b; }
.up-badge.refunded       { background: #fce7f3; color: #9d174d; }
.up-badge.awaiting       { background: #fef3c7; color: #92400e; }
.up-badge.active         { background: #dcfce7; color: #166534; }
.up-badge.inactive       { background: #f1f5f9; color: #64748b; }
.up-badge.debit          { background: #fee2e2; color: #991b1b; }
.up-badge.credit         { background: #dcfce7; color: #166534; }
.up-badge.cash           { background: #fef3c7; color: #92400e; }
.up-badge.alipay         { background: #dbeafe; color: #1e40af; }
.up-badge.wechat         { background: #d1fae5; color: #065f46; }
.up-badge.bank           { background: #ede9fe; color: #5b21b6; }

/* ====== BUTTONS ====== */
.up-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.up-btn:hover { text-decoration: none; }
.up-btn.primary { background: var(--tc-primary); color: #fff; }
.up-btn.primary:hover { background: var(--tc-primary-dk); }
.up-btn.outline { background: transparent; border: 1px solid var(--tc-primary); color: var(--tc-primary); }
.up-btn.outline:hover { background: var(--tc-primary); color: #fff; }
.up-btn.success { background: var(--tc-success); color: #fff; }
.up-btn.danger  { background: var(--tc-danger);  color: #fff; }
.up-btn.warning { background: var(--tc-warning); color: #fff; }
.up-btn.secondary { background: #e2e8f0; color: var(--text-main); }
.up-btn.secondary:hover { background: #cbd5e1; }
.up-btn.sm { padding: 5px 12px; font-size: 12px; }
.up-btn.lg { padding: 11px 24px; font-size: 15px; }
.up-btn:disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }
.up-btn-icon {
    width: 32px; height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}
.up-btn-icon:hover { background: var(--tc-primary); color: #fff; border-color: var(--tc-primary); }

/* ====== FILTER BAR ====== */
.up-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: 16px 20px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}
.up-search-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    outline: none;
    transition: var(--transition);
}
.up-search-input:focus { border-color: var(--tc-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.1); }
.up-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: var(--bg-white);
    color: var(--text-main);
    outline: none;
    cursor: pointer;
    min-width: 130px;
}
.up-select:focus { border-color: var(--tc-primary); }

/* ====== TABS ====== */
.up-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 0;
    padding: 0 20px;
    overflow-x: auto;
}
.up-tab {
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: var(--transition);
}
.up-tab:hover { color: var(--tc-primary); }
.up-tab.active { color: var(--tc-primary); border-bottom-color: var(--tc-primary); font-weight: 600; }
.up-tab-content { display: none; padding: 20px; }
.up-tab-content.active { display: block; }

/* ====== FORM ====== */
.up-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.up-form-group { display: flex; flex-direction: column; gap: 5px; }
.up-label { font-size: 13px; font-weight: 500; color: var(--text-main); }
.up-label .req { color: var(--tc-danger); margin-left: 2px; }
.up-input, .up-textarea, .up-select-input {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    background: var(--bg-white);
}
.up-input:focus, .up-textarea:focus, .up-select-input:focus {
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}
.up-input.error, .up-textarea.error { border-color: var(--tc-danger); }
.up-hint { font-size: 11px; color: var(--text-muted); }
.up-error-msg { font-size: 11px; color: var(--tc-danger); }
.up-textarea { resize: vertical; min-height: 90px; }
.up-form-actions { display: flex; gap: 10px; justify-content: flex-end; padding-top: 12px; }
.up-radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.up-radio-label { display: flex; align-items: center; gap: 7px; cursor: pointer; font-size: 13px; }
.up-checkbox-label { display: flex; align-items: center; gap: 7px; cursor: pointer; font-size: 13px; }

/* ====== WALLET CARDS ====== */
.up-wallet-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.up-wallet-card {
    border-radius: var(--radius-lg);
    padding: 24px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.up-wallet-card.vnd { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); }
.up-wallet-card.cny { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }
.up-wallet-card::after {
    content: '';
    position: absolute;
    right: -30px; top: -30px;
    width: 120px; height: 120px;
    background: rgba(255,255,255,.08);
    border-radius: 50%;
}
.up-wallet-card::before {
    content: '';
    position: absolute;
    right: 20px; bottom: -40px;
    width: 160px; height: 160px;
    background: rgba(255,255,255,.05);
    border-radius: 50%;
}
.up-wc-label { font-size: 12px; opacity: .8; margin-bottom: 6px; }
.up-wc-amount { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.up-wc-sub { font-size: 12px; opacity: .7; margin-top: 4px; }
.up-wc-actions { display: flex; gap: 8px; margin-top: 18px; position: relative; z-index: 1; }
.up-wc-btn {
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,.4);
    background: rgba(255,255,255,.15);
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}
.up-wc-btn:hover { background: rgba(255,255,255,.3); }
.up-wc-icon {
    position: absolute; right: 20px; top: 20px;
    font-size: 40px; opacity: .15;
}

/* ====== ORDER CARDS ====== */
.up-order-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.up-order-card:hover { box-shadow: var(--shadow-md); }
.up-order-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
}
.up-order-code { font-weight: 600; font-size: 14px; color: var(--tc-primary); }
.up-order-date { font-size: 12px; color: var(--text-muted); }
.up-order-items { padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }
.up-order-item { display: flex; align-items: center; gap: 12px; }
.up-order-item img {
    width: 50px; height: 50px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.up-order-item-info { flex: 1; min-width: 0; }
.up-order-item-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.up-order-item-meta { font-size: 12px; color: var(--text-muted); }
.up-order-item-price { font-size: 13px; font-weight: 600; color: var(--tc-danger); white-space: nowrap; }
.up-order-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
}
.up-order-total { font-size: 14px; font-weight: 700; }
.up-order-total span { color: var(--tc-danger); }
.up-order-actions { display: flex; gap: 8px; }

/* ====== PRODUCT GRID ====== */
.up-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.up-product-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}
.up-product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.up-product-img { position: relative; padding-top: 100%; background: #f1f5f9; }
.up-product-img img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.up-product-img .up-product-badge {
    position: absolute; top: 8px; left: 8px;
    background: var(--tc-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 20px;
}
.up-product-img .up-product-remove {
    position: absolute; top: 8px; right: 8px;
    width: 28px; height: 28px;
    background: rgba(0,0,0,.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}
.up-product-card:hover .up-product-remove { opacity: 1; }
.up-product-body { padding: 12px; }
.up-product-name { font-size: 13px; font-weight: 500; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-product-price { font-size: 15px; font-weight: 700; color: var(--tc-danger); }
.up-product-old-price { font-size: 12px; color: var(--text-muted); text-decoration: line-through; margin-left: 4px; }
.up-product-actions { display: flex; gap: 6px; margin-top: 10px; }

/* ====== CART ====== */
.up-cart-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
    align-items: start;
}
.up-cart-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.up-cart-item:last-child { border-bottom: none; }
.up-cart-item img { width: 80px; height: 80px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); flex-shrink: 0; }
.up-cart-item-info { flex: 1; min-width: 0; }
.up-cart-item-name { font-size: 13px; font-weight: 500; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-cart-item-meta { font-size: 12px; color: var(--text-muted); }
.up-cart-item-price { font-size: 14px; font-weight: 700; color: var(--tc-danger); }
.up-qty-input {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    width: fit-content;
    margin-top: 8px;
}
.up-qty-btn {
    width: 28px; height: 28px;
    background: #f1f5f9;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.up-qty-btn:hover { background: var(--border); }
.up-qty-value {
    width: 40px;
    border: none;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 0;
    outline: none;
}
.up-cart-summary { position: sticky; top: 20px; }

/* ====== TIMELINE / TRACKING ====== */
.up-timeline { padding: 0; list-style: none; }
.up-timeline-item { display: flex; gap: 14px; padding-bottom: 20px; position: relative; }
.up-timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 15px; top: 30px;
    width: 2px;
    height: calc(100% - 10px);
    background: var(--border);
}
.up-timeline-dot {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    color: var(--text-muted);
    border: 2px solid var(--bg-white);
    z-index: 1;
}
.up-timeline-dot.done { background: var(--tc-success); color: #fff; }
.up-timeline-dot.active { background: var(--tc-primary); color: #fff; box-shadow: 0 0 0 4px rgba(79,70,229,.2); }
.up-timeline-dot.pending { background: var(--tc-warning); color: #fff; }
.up-timeline-content { flex: 1; padding-top: 4px; }
.up-timeline-title { font-size: 13px; font-weight: 600; }
.up-timeline-desc { font-size: 12px; color: var(--text-muted); }
.up-timeline-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ====== EMPTY STATE ====== */
.up-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.up-empty i { font-size: 48px; margin-bottom: 16px; opacity: .35; }
.up-empty h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-main); }
.up-empty p { font-size: 14px; margin-bottom: 20px; }

/* ====== MODAL ====== */
.up-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}
.up-modal-overlay.open { opacity: 1; pointer-events: all; }
.up-modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(.95);
    transition: transform .2s;
}
.up-modal-overlay.open .up-modal { transform: scale(1); }
.up-modal-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.up-modal-header h4 { font-size: 15px; font-weight: 600; }
.up-modal-close {
    width: 30px; height: 30px;
    background: #f1f5f9;
    border: none;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.up-modal-close:hover { background: var(--border); }
.up-modal-body { padding: 20px; }
.up-modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ====== TOAST ====== */
.up-toast-container {
    position: fixed;
    top: 20px; right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.up-toast {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,.13), 0 2px 8px rgba(0,0,0,.07);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 14px 14px 16px;
    position: relative;
    overflow: hidden;
    pointer-events: all;
    opacity: 0;
    transform: translateX(110%) scale(.96);
    transition: opacity .32s cubic-bezier(.22,1,.36,1), transform .32s cubic-bezier(.22,1,.36,1);
    border-left: 4px solid transparent;
}
.up-toast.up-toast-show {
    opacity: 1;
    transform: translateX(0) scale(1);
}
.up-toast.up-toast-hide {
    opacity: 0;
    transform: translateX(110%) scale(.96);
}
.up-toast.success { border-left-color: #10b981; }
.up-toast.error   { border-left-color: #ef4444; }
.up-toast.info    { border-left-color: #3b82f6; }
.up-toast.warning { border-left-color: #f59e0b; }
.up-toast-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-size: 16px;
}
.up-toast.success .up-toast-icon { background: #d1fae5; color: #059669; }
.up-toast.error   .up-toast-icon { background: #fee2e2; color: #dc2626; }
.up-toast.info    .up-toast-icon { background: #dbeafe; color: #2563eb; }
.up-toast.warning .up-toast-icon { background: #fef3c7; color: #d97706; }
.up-toast-body { flex: 1; min-width: 0; padding-top: 1px; }
.up-toast-title { font-size: 13.5px; font-weight: 700; color: #111827; margin-bottom: 2px; }
.up-toast-msg   { font-size: 12.5px; color: #6b7280; line-height: 1.45; }
.up-toast-close {
    background: none; border: none; cursor: pointer;
    color: #9ca3af; font-size: 16px; padding: 0 2px;
    line-height: 1; flex-shrink: 0; margin-top: 1px;
    transition: color .15s;
}
.up-toast-close:hover { color: #374151; }
.up-toast-progress {
    position: absolute;
    bottom: 0; left: 0; height: 3px; width: 100%;
    border-radius: 0 2px 0 0;
    animation: up-toast-shrink linear forwards;
    transform-origin: left;
}
.up-toast.success .up-toast-progress { background: #10b981; }
.up-toast.error   .up-toast-progress { background: #ef4444; }
.up-toast.info    .up-toast-progress { background: #3b82f6; }
.up-toast.warning .up-toast-progress { background: #f59e0b; }
@keyframes up-toast-shrink {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}

/* ====== CONFIRM DIALOG ====== */
.up-confirm-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(3px);
    z-index: 100000;
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
    opacity: 0; transition: opacity .2s ease;
}
.up-confirm-overlay.up-confirm-show { opacity: 1; }
.up-confirm-box {
    background: #fff;
    border-radius: 20px;
    padding: 32px 28px 24px;
    max-width: 420px; width: 100%;
    box-shadow: 0 24px 64px rgba(0,0,0,.18);
    text-align: center;
    transform: scale(.92) translateY(12px);
    transition: transform .25s cubic-bezier(.22,1,.36,1);
}
.up-confirm-overlay.up-confirm-show .up-confirm-box { transform: scale(1) translateY(0); }
.up-confirm-icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    font-size: 26px;
}
.up-confirm-icon.danger  { background: #fee2e2; color: #dc2626; }
.up-confirm-icon.warning { background: #fef3c7; color: #d97706; }
.up-confirm-icon.info    { background: #dbeafe; color: #2563eb; }
.up-confirm-icon.success { background: #d1fae5; color: #059669; }
.up-confirm-title {
    font-size: 17px; font-weight: 700; color: #111827; margin-bottom: 8px;
}
.up-confirm-msg {
    font-size: 14px; color: #6b7280; line-height: 1.6; margin-bottom: 24px;
}
.up-confirm-actions {
    display: flex; gap: 10px; justify-content: center;
}
.up-confirm-actions .up-btn { min-width: 110px; justify-content: center; font-size: 14px; }
@media (max-width: 480px) {
    .up-confirm-actions { flex-direction: column-reverse; }
    .up-confirm-actions .up-btn { width: 100%; }
}

/* ====== PAGINATION ====== */
.up-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px;
}
.up-page-btn {
    min-width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    background: var(--bg-white);
    color: var(--text-muted);
    transition: var(--transition);
}
.up-page-btn:hover { border-color: var(--tc-primary); color: var(--tc-primary); }
.up-page-btn.active { background: var(--tc-primary); border-color: var(--tc-primary); color: #fff; }
.up-page-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ====== PROGRESS BAR ====== */
.up-progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.up-progress-bar { height: 100%; background: var(--tc-primary); border-radius: 3px; transition: width .3s; }
.up-progress-bar.success { background: var(--tc-success); }
.up-progress-bar.warning { background: var(--tc-warning); }
.up-progress-bar.danger  { background: var(--tc-danger); }

/* ====== LOADING ====== */
.up-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
}
.up-spinner {
    width: 24px; height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--tc-primary);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ====== INFO ROW ====== */
.up-info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.up-info-row:last-child { border-bottom: none; }
.up-info-row .up-info-label { color: var(--text-muted); }
.up-info-row .up-info-val { font-weight: 500; }

/* ====== AMOUNT COLORS ====== */
.up-amount-in  { color: var(--tc-success); font-weight: 600; }
.up-amount-out { color: var(--tc-danger);  font-weight: 600; }

/* ====== TOPBAR (dùng chung seller/user pages) ====== */
.up-topbar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 12px 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.up-topbar h4 { font-size: 16px; color: var(--text-main); }

.hamburger {
    background: none;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    color: var(--text-muted);
    font-size: 16px;
    display: none;
    flex-shrink: 0;
}
.hamburger:hover { background: #f1f5f9; color: var(--text-main); }

/* ====== RESPONSIVE ====== */

/* Sidebar overlay for mobile */
.up-sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 999;
}
.up-sidebar-overlay.open { display: block; }

@media (max-width: 1024px) {
    :root { --sidebar-w: 240px; }
    .up-cart-layout { grid-template-columns: 1fr; }
    .up-cart-summary { position: static; }
    .up-main { padding: 18px; }
}

@media (max-width: 768px) {
    :root { --sidebar-w: 0px; }
    .user-sidebar {
        transform: translateX(-260px);
        width: 260px;
        transition: transform .25s ease;
        z-index: 1000;
    }
    .user-sidebar.open { transform: translateX(0); }
    .up-main { margin-left: 0; padding: 14px; }
    .up-sidebar-toggle { display: flex; align-items: center; justify-content: center; }
    .hamburger { display: flex; align-items: center; }
    .up-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .up-product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .up-cart-layout { grid-template-columns: 1fr; }
    .up-table { font-size: 12px; }
    .up-table th, .up-table td { padding: 8px 10px; }
    .up-card-header { padding: 14px 16px; flex-wrap: wrap; gap: 8px; }
    .up-page-header h1 { font-size: 18px; }
    .up-stat { padding: 14px; }
    .up-stat-value { font-size: 18px; }
    /* Stack form grids */
    .up-form-row { flex-direction: column; gap: 12px; }
    .up-form-row > * { min-width: 100%; }
}

@media (max-width: 480px) {
    .up-main { padding: 10px; }
    .up-stats { grid-template-columns: 1fr 1fr; gap: 8px; }
    .up-product-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .up-stat-icon { width: 36px; height: 36px; font-size: 15px; }
    .up-stat-value { font-size: 16px; }
    .up-stat-label { font-size: 11px; }
    .up-btn { padding: 8px 14px; font-size: 13px; }
    .up-table th, .up-table td { padding: 6px 8px; font-size: 11px; }
    .up-card { border-radius: var(--radius-md); }
    /* Hide less important table columns on very small screens */
    .up-table .hide-xs { display: none !important; }
}

/* Touch-friendly tap targets */
@media (hover: none) and (pointer: coarse) {
    .us-nav-item { padding: 11px 16px; }
    .up-btn { min-height: 40px; }
    .up-sidebar-toggle { width: 50px; height: 50px; font-size: 20px; }
}

/* ====== MOBILE HEADER BAR ====== */
.up-mobile-header {
    display: none;
    position: fixed; top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--bg-sidebar);
    z-index: 990;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,.25);
}
.up-mh-logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 700; color: #f1f5f9; text-decoration: none;
}
.up-mh-logo img { height: 26px; border-radius: 4px; }
.up-mh-actions { display: flex; align-items: center; gap: 4px; }
.up-mh-btn {
    width: 40px; height: 40px;
    background: rgba(255,255,255,.08);
    border: none;
    border-radius: 10px;
    color: #f1f5f9;
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    transition: background .2s;
    text-decoration: none;
}
.up-mh-btn:hover { background: rgba(255,255,255,.16); }
.up-mh-badge {
    position: absolute; top: 4px; right: 4px;
    background: var(--tc-danger);
    color: #fff; font-size: 9px; font-weight: 700;
    min-width: 16px; height: 16px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    padding: 0 3px;
    border: 1.5px solid var(--bg-sidebar);
    line-height: 1;
}

/* ====== NOTIFICATION PANEL ====== */
.up-notif-panel {
    position: fixed;
    top: 56px; right: 0;
    width: min(360px, 100vw);
    max-height: calc(100vh - 56px - 66px);
    background: #fff;
    border-radius: 0 0 0 14px;
    box-shadow: -4px 4px 24px rgba(0,0,0,.18);
    z-index: 980;
    display: flex; flex-direction: column;
    transform: translateX(105%);
    transition: transform .28s cubic-bezier(.22,1,.36,1);
    overflow: hidden;
}
.up-notif-panel.open { transform: translateX(0); }
.up-notif-panel-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: #f8fafc;
    flex-shrink: 0;
}
.up-notif-panel-head h4 { font-size: 14px; font-weight: 700; }
.up-notif-mark-all {
    font-size: 11px; color: var(--tc-primary); background: none; border: none;
    cursor: pointer; font-weight: 600; padding: 4px 8px; border-radius: 6px;
}
.up-notif-mark-all:hover { background: #e0e7ff; }
.up-notif-list { overflow-y: auto; flex: 1; }
.up-notif-item {
    display: flex; gap: 10px; padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    cursor: pointer; transition: background .15s;
    text-decoration: none; color: inherit;
    align-items: flex-start;
}
.up-notif-item:hover { background: #f8fafc; }
.up-notif-item.unread { background: #f0f4ff; border-left: 3px solid var(--tc-primary); }
.up-notif-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: #e0e7ff; color: var(--tc-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.up-notif-icon.order { background: #dcfce7; color: var(--tc-success); }
.up-notif-icon.payment { background: #fef3c7; color: var(--tc-warning); }
.up-notif-icon.warning { background: #fee2e2; color: var(--tc-danger); }
.up-notif-content { flex: 1; min-width: 0; }
.up-notif-title { font-size: 12.5px; font-weight: 600; color: var(--text-main); margin-bottom: 2px; }
.up-notif-msg { font-size: 11.5px; color: var(--text-muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-notif-time { font-size: 10.5px; color: #94a3b8; margin-top: 3px; }
.up-notif-unread-dot { width: 7px; height: 7px; background: var(--tc-primary); border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.up-notif-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.up-notif-empty i { font-size: 36px; opacity: .3; margin-bottom: 10px; display: block; }

/* ====== BOTTOM NAV BAR ====== */
.up-bottom-nav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    height: 62px;
    background: #fff;
    border-top: 1px solid var(--border);
    z-index: 990;
    box-shadow: 0 -2px 10px rgba(0,0,0,.08);
    align-items: stretch;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
.up-bn-item {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 10px; font-weight: 500;
    cursor: pointer; border: none; background: none;
    position: relative;
    padding-top: 6px;
    transition: color .15s;
    -webkit-tap-highlight-color: transparent;
}
.up-bn-item i { font-size: 18px; }
.up-bn-item.active { color: var(--tc-primary); }
.up-bn-item.active i { color: var(--tc-primary); }
.up-bn-badge {
    position: absolute; top: 5px;
    left: calc(50% + 4px);
    background: var(--tc-danger); color: #fff;
    font-size: 9px; font-weight: 700;
    min-width: 15px; height: 15px;
    border-radius: 8px; padding: 0 3px;
    display: flex; align-items: center; justify-content: center;
    border: 1.5px solid #fff; line-height: 1;
}
.up-bn-sep { width: 1px; background: var(--border); margin: 10px 0; flex-shrink: 0; }

/* ====== MOBILE RESPONSIVE OVERRIDES ====== */
@media (max-width: 768px) {
    .up-mobile-header { display: flex; }
    .up-bottom-nav { display: flex; }
    /* Push content below mobile header and above bottom nav */
    .up-main {
        padding-top: calc(56px + 14px);
        padding-bottom: calc(62px + 14px + env(safe-area-inset-bottom, 0px));
    }
    /* Hide the old floating toggle since we have bottom nav */
    .up-sidebar-toggle { display: none !important; }
    /* Notification panel full screen on very small phones */
    .up-notif-panel { width: 100vw; border-radius: 0; }
}

/* ====== IMPROVED CART MOBILE ====== */
.cart-item-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 10px;
    overflow: hidden;
    transition: box-shadow .2s;
}
.cart-item-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,.07); }
.cart-item-card-main {
    display: flex; gap: 12px; padding: 12px;
    align-items: flex-start;
}
.cart-item-cb { flex-shrink: 0; margin-top: 4px; width: 18px; height: 18px; cursor: pointer; accent-color: var(--tc-primary); }
.cart-item-img {
    width: 80px; height: 80px; border-radius: 8px;
    object-fit: cover; border: 1px solid var(--border); flex-shrink: 0;
}
.cart-item-body { flex: 1; min-width: 0; }
.cart-item-title { font-size: 13px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 5px; }
.cart-item-sku { display: inline-flex; align-items: center; gap: 4px; background: #f1f5f9; padding: 2px 8px; border-radius: 5px; font-size: 11px; color: #64748b; margin-bottom: 5px; }
.cart-item-notes { font-size: 11px; color: #94a3b8; margin-bottom: 5px; }
.cart-item-price-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 3px; }
.cart-item-price-vnd { font-size: 14px; font-weight: 800; color: var(--tc-danger); }
.cart-item-price-cny { font-size: 11px; color: var(--text-muted); background: #fef9f0; padding: 1px 6px; border-radius: 4px; }
.cart-item-fee-hint { font-size: 10px; color: #94a3b8; font-style: italic; }

.cart-item-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    background: #fafafa;
}
.cart-item-qty-wrap { display: flex; align-items: center; }
.cart-item-qty-btn {
    width: 32px; height: 32px; border-radius: 8px;
    background: var(--border); border: none; font-size: 18px;
    color: var(--text-main); cursor: pointer; font-weight: 500;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
    -webkit-tap-highlight-color: transparent;
}
.cart-item-qty-btn:hover { background: #cbd5e1; }
.cart-item-qty-btn:active { transform: scale(.93); }
.cart-item-qty-val {
    width: 44px; text-align: center; font-size: 14px; font-weight: 700;
    border: 1px solid var(--border); border-radius: 6px; padding: 4px 0;
    margin: 0 4px; outline: none; background: #fff;
}
.cart-item-subtotal { font-size: 13px; font-weight: 700; color: var(--tc-danger); }
.cart-item-del-btn {
    background: none; border: none; padding: 6px 8px; cursor: pointer;
    color: #94a3b8; border-radius: 7px; transition: all .15s;
    display: flex; align-items: center; gap: 4px; font-size: 12px;
    -webkit-tap-highlight-color: transparent;
}
.cart-item-del-btn:hover { background: #fee2e2; color: var(--tc-danger); }

.cart-stock-warn { font-size: 11px; color: var(--tc-danger); display: flex; align-items: center; gap: 4px; margin-top: 3px; }

/* Fee breakdown in summary */
.cart-fee-breakdown {
    background: #f8fafc;
    border-radius: 8px;
    margin: 8px 12px;
    padding: 10px 12px;
    font-size: 12px;
}
.cart-fee-row { display: flex; justify-content: space-between; padding: 3px 0; color: var(--text-muted); }
.cart-fee-row.total { font-weight: 800; font-size: 14px; color: var(--text-main); border-top: 1px solid var(--border); margin-top: 4px; padding-top: 7px; }
.cart-fee-row.danger { color: var(--tc-danger); }