/* ============================================
   PAN Finder Panel - Complete Stylesheet
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-body: #0B1120;
    --bg-sidebar: #111827;
    --bg-card: #1A2332;
    --bg-card-hover: #1E293B;
    --bg-input: #0F172A;
    --bg-input-focus: #162032;
    --border: #1E3A5F;
    --border-light: #2A3F5F;
    --primary: #10B981;
    --primary-hover: #059669;
    --primary-light: rgba(16, 185, 129, 0.12);
    --primary-glow: rgba(16, 185, 129, 0.25);
    --accent: #F59E0B;
    --accent-light: rgba(245, 158, 11, 0.12);
    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.12);
    --success: #10B981;
    --success-light: rgba(16, 185, 129, 0.12);
    --info: #3B82F6;
    --info-light: rgba(59, 130, 246, 0.12);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.12);
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-body);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---------- Background Pattern ---------- */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(16, 185, 129, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(245, 158, 11, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

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

img { max-width: 100%; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ---------- Login Page ---------- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(16, 185, 129, 0.03) 60deg, transparent 120deg, rgba(245, 158, 11, 0.02) 240deg, transparent 360deg);
    animation: loginBgRotate 30s linear infinite;
}

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

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.login-card .logo-section {
    text-align: center;
    margin-bottom: 36px;
}

.login-card .logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), #34D399);
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.login-card .logo-section h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.login-card .logo-section p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-input-focus);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394A3B8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.input-icon-wrap {
    position: relative;
}

.input-icon-wrap .form-control {
    padding-left: 42px;
}

.input-icon-wrap i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #34D399);
    color: #fff;
    box-shadow: 0 2px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #059669, var(--primary));
    box-shadow: 0 4px 20px var(--primary-glow);
    color: #fff;
    transform: translateY(-1px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #FBBF24);
    color: #000;
    box-shadow: 0 2px 12px rgba(245, 158, 11, 0.25);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #D97706, var(--accent));
    color: #000;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover { background: #DC2626; color: #fff; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

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

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-icon {
    width: 36px; height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* ---------- Layout ---------- */
.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 20px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), #34D399);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 2px 12px var(--primary-glow);
}

.sidebar-brand h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.sidebar-brand small {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 8px 12px 6px;
    margin-top: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.sidebar-footer .user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), #FBBF24);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #000;
    flex-shrink: 0;
}

.sidebar-footer .user-details {
    flex: 1;
    min-width: 0;
}

.sidebar-footer .user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer .user-role {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: capitalize;
}

/* ---------- Main Content ---------- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Header ---------- */
.top-header {
    height: var(--header-height);
    background: rgba(11, 17, 32, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
}

.page-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

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

.balance-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.balance-badge i { font-size: 14px; }

/* ---------- Content Area ---------- */
.content-area {
    flex: 1;
    padding: 28px;
}

/* ---------- Stats Cards ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.15;
    pointer-events: none;
}

.stat-card.card-primary::after { background: var(--primary); }
.stat-card.card-accent::after { background: var(--accent); }
.stat-card.card-info::after { background: var(--info); }
.stat-card.card-success::after { background: var(--success); }
.stat-card.card-danger::after { background: var(--danger); }

.stat-card .stat-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}

.stat-card.card-primary .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.card-accent .stat-icon { background: var(--accent-light); color: var(--accent); }
.stat-card.card-info .stat-icon { background: var(--info-light); color: var(--info); }
.stat-card.card-success .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.card-danger .stat-icon { background: var(--danger-light); color: var(--danger); }

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.card-body {
    padding: 22px;
}

.card-body.p-0 { padding: 0; }

/* ---------- Tables ---------- */
.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(30, 58, 95, 0.3);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(16, 185, 129, 0.03);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-muted { background: rgba(100, 116, 139, 0.15); color: var(--text-muted); }

/* ---------- Alerts / Toast ---------- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid;
}

.alert-success { background: var(--success-light); border-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.alert-danger { background: var(--danger-light); border-color: rgba(239, 68, 68, 0.2); color: var(--danger); }
.alert-warning { background: var(--warning-light); border-color: rgba(245, 158, 11, 0.2); color: var(--warning); }
.alert-info { background: var(--info-light); border-color: rgba(59, 130, 246, 0.2); color: var(--info); }

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    min-width: 300px;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    animation: toastIn 0.3s ease;
    transition: var(--transition);
}

.toast.toast-out { animation: toastOut 0.3s ease forwards; }

.toast-success { border-left: 3px solid var(--success); }
.toast-danger { border-left: 3px solid var(--danger); }
.toast-warning { border-left: 3px solid var(--warning); }
.toast-info { border-left: 3px solid var(--info); }

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

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

/* ---------- Code Block ---------- */
.code-block {
    background: #0A0F1A;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    line-height: 1.7;
    color: #A5F3FC;
    position: relative;
}

.code-block .copy-btn {
    position: absolute;
    top: 10px; right: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
}

.code-block .copy-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ---------- PAN Check Result ---------- */
.pan-result {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: none;
}

.pan-result.show { display: block; animation: fadeInUp 0.4s ease; }

.pan-result .result-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.pan-result .result-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.pan-result .result-icon.valid {
    background: var(--success-light);
    color: var(--success);
}

.pan-result .result-icon.invalid {
    background: var(--danger-light);
    color: var(--danger);
}

.pan-result .result-title {
    font-size: 20px;
    font-weight: 700;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.result-item {
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.result-item .result-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.result-item .result-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
}

/* ---------- API Key Card ---------- */
.api-key-card {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 14px;
}

.api-key-card .key-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.api-key-card .key-name {
    font-weight: 600;
    font-size: 14px;
}

.api-key-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.api-key-row label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 60px;
}

.api-key-row code {
    flex: 1;
    background: #0A0F1A;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: #A5F3FC;
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h4 {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.animate-in {
    animation: fadeInUp 0.4s ease both;
}

.animate-in:nth-child(1) { animation-delay: 0s; }
.animate-in:nth-child(2) { animation-delay: 0.05s; }
.animate-in:nth-child(3) { animation-delay: 0.1s; }
.animate-in:nth-child(4) { animation-delay: 0.15s; }
.animate-in:nth-child(5) { animation-delay: 0.2s; }
.animate-in:nth-child(6) { animation-delay: 0.25s; }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 20px 0;
}

.pagination a, .pagination span {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(16, 185, 129, 0.2);
}

.pagination .active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ---------- Two Column Grid ---------- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ---------- Tabs ---------- */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    font-family: inherit;
}

.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---------- Recharge Amounts ---------- */
.recharge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.recharge-option {
    padding: 14px;
    text-align: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
}

.recharge-option:hover, .recharge-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle { display: block; }
    .content-area { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .recharge-grid { grid-template-columns: repeat(2, 1fr); }

    .top-header { padding: 0 16px; }

    .login-card { padding: 32px 24px; }

    .data-table { font-size: 12px; }
    .data-table thead th, .data-table tbody td { padding: 10px 12px; }
}

@media (max-width: 480px) {
    .recharge-grid { grid-template-columns: 1fr; }
    .header-right .balance-badge span.balance-text { display: none; }
}

/* ---------- Sidebar Overlay for Mobile ---------- */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    display: none;
}

.sidebar-overlay.show { display: block; }

/* ---------- Utility ---------- */
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.text-danger { color: var(--danger) !important; }
.text-success { color: var(--success) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-2 { gap: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Loading Spinner ---------- */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-lg { width: 36px; height: 36px; border-width: 3px; }

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 17, 32, 0.8);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
}

.loading-overlay .spinner { width: 40px; height: 40px; border-width: 3px; }
.loading-overlay p { color: var(--text-secondary); font-weight: 500; }

/* ---------- Glow Line ---------- */
.glow-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    margin: 20px 0;
    opacity: 0.5;
}