/* ===========================================================================
   CONEK Brand Maintenance Fees - Design System
   Light theme default, Dark theme via toggle
   Accent: vàng cam #E8A817 + xanh dương #00A3E0
   Mobile-first responsive
   =========================================================================== */

/* ---- Viewer role: ẩn toàn bộ element admin-only ---- */
body.viewer-mode .admin-only {
    display: none !important;
}


/* ---- CSS Variables (LIGHT THEME - DEFAULT) ---- */
:root {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f5f6f8;
    --bg-input: #f8f9fb;
    --border: #e2e5ea;
    --border-focus: #E8A817;
    --text-primary: #1a1d26;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --accent-yellow: #d49a10;
    --accent-blue: #0088c2;
    --accent-green: #16a34a;
    --accent-red: #dc2626;
    --accent-orange: #ea580c;
    --accent-purple: #9333ea;
    --shadow: 0 4px 24px rgba(0, 0, 0, .08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --sidebar-w: 240px;
    --topbar-h: 60px;
    --transition: .25s cubic-bezier(.4, 0, .2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --topbar-bg: rgba(255, 255, 255, .85);
    --sidebar-active-bg: rgba(212, 154, 16, .1);
    --chart-text: #374151;
}

/* ---- DARK THEME ---- */
[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #161922;
    --bg-card: #1c1f2e;
    --bg-hover: #252838;
    --bg-input: #1e2233;
    --border: #2a2d3e;
    --border-focus: #E8A817;
    --text-primary: #e8eaf0;
    --text-secondary: #8b8fa3;
    --text-muted: #5c6078;
    --accent-yellow: #E8A817;
    --accent-blue: #00A3E0;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --accent-purple: #a855f7;
    --shadow: 0 4px 24px rgba(0, 0, 0, .35);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);
    --topbar-bg: rgba(15, 17, 23, .85);
    --sidebar-active-bg: rgba(232, 168, 23, .08);
    --chart-text: #cccccc;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: .8rem;
    color: var(--text-secondary);
    user-select: none;
}

.theme-toggle input {
    display: none;
}

.theme-toggle-track {
    width: 40px;
    height: 22px;
    background: var(--border);
    border-radius: 11px;
    position: relative;
    transition: background var(--transition);
}

.theme-toggle input:checked+.theme-toggle-track {
    background: var(--accent-blue);
}

.theme-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

.theme-toggle input:checked+.theme-toggle-track .theme-toggle-thumb {
    transform: translateX(18px);
}

.theme-icon {
    font-size: 1rem;
}

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

html {
    font-size: 14px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}

input,
select,
textarea,
button {
    font-family: inherit;
    font-size: inherit;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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

.sidebar-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-toggle {
    display: none;
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    transition: all var(--transition);
    cursor: pointer;
    border-left: 3px solid transparent;
    font-size: .9rem;
}

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

.nav-item.active {
    color: var(--accent-yellow);
    background: var(--sidebar-active-bg);
    border-left-color: var(--accent-yellow);
}

.nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.version {
    color: var(--text-muted);
    font-size: .75rem;
}

/* ===========================================================================
   MAIN CONTENT
   =========================================================================== */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

/* ---- Topbar ---- */
.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-h);
    background: var(--topbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    z-index: 50;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
}

.page-title {
    font-size: 1.15rem;
    font-weight: 600;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.current-date {
    color: var(--text-secondary);
    font-size: .85rem;
}

/* ---- Tab Content ---- */
.tab-content {
    display: none;
    padding: 24px;
    animation: fadeIn .3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* ===========================================================================
   STATS GRID (Dashboard)
   =========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.stat-icon {
    font-size: 2rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    display: block;
    line-height: 1.2;
}

.stat-label {
    color: var(--text-secondary);
    font-size: .82rem;
}

.stat-total {
    border-left: 3px solid var(--accent-blue);
}

.stat-active {
    border-left: 3px solid var(--accent-green);
}

.stat-paused {
    border-left: 3px solid var(--accent-orange);
}

.stat-overdue {
    border-left: 3px solid var(--accent-red);
}

/* ---- Charts ---- */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 16px;
    margin-bottom: 24px;
}

.chart-card {
    min-height: 320px;
}

.chart-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    padding: 12px;
}

.chart-body canvas {
    max-height: 260px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

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

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: .95rem;
    font-weight: 600;
}

.card-body {
    padding: 16px 20px;
}

.settings-card {
    max-width: 700px;
}

/* ---- Ranking list ---- */
.rank-list {
    list-style: none;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .04);
}

.rank-item:last-child {
    border-bottom: none;
}

.rank-pos {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.rank-item:nth-child(1) .rank-pos {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
}

.rank-item:nth-child(2) .rank-pos {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
    color: #000;
}

.rank-item:nth-child(3) .rank-pos {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    color: #fff;
}

.rank-name {
    flex: 1;
    font-weight: 500;
    font-size: .88rem;
}

.rank-value {
    color: var(--accent-yellow);
    font-weight: 600;
    font-size: .85rem;
}

.empty-state {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-muted);
    font-size: .9rem;
}

/* ===========================================================================
   TOOLBAR & SEARCH
   =========================================================================== */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

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

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    font-size: .9rem;
    color: var(--text-muted);
}

.search-input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px 8px 36px;
    color: var(--text-primary);
    width: 260px;
    transition: border-color var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.filter-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* ---- Multi-Select Dropdown ---- */
.multi-select-dropdown {
    position: relative;
    display: inline-block;
}

.multi-select-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: .88rem;
    transition: all var(--transition);
    white-space: nowrap;
    min-width: 140px;
}

.multi-select-trigger:hover {
    border-color: var(--border-focus);
    background: var(--bg-hover);
}

.multi-select-trigger.active {
    border-color: var(--accent-yellow);
    box-shadow: 0 0 0 2px rgba(232, 168, 23, 0.15);
}

.multi-select-label {
    flex: 1;
    text-align: left;
}

.multi-select-badge {
    background: var(--accent-yellow);
    color: #000;
    font-size: .7rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 999px;
    min-width: 18px;
    text-align: center;
    line-height: 1.4;
}

.multi-select-arrow {
    font-size: .7rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.multi-select-trigger.active .multi-select-arrow {
    transform: rotate(180deg);
}

.multi-select-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 260px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    z-index: 200;
    display: none;
    animation: multiSelectIn .2s ease;
}

.multi-select-panel.show {
    display: block;
}

@keyframes multiSelectIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: none; }
}

.multi-select-search {
    padding: 10px 12px 6px;
    border-bottom: 1px solid var(--border);
}

.multi-select-search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: .82rem;
    transition: border-color var(--transition);
}

.multi-select-search-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.multi-select-options {
    max-height: 220px;
    overflow-y: auto;
    padding: 6px 0;
}

.multi-select-options::-webkit-scrollbar {
    width: 4px;
}

.multi-select-options::-webkit-scrollbar-track {
    background: transparent;
}

.multi-select-options::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.multi-select-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    cursor: pointer;
    transition: background var(--transition);
    font-size: .85rem;
    color: var(--text-primary);
}

.multi-select-option:hover {
    background: var(--bg-hover);
}

.multi-select-option input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border);
    border-radius: 3px;
    background: var(--bg-input);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition);
}

.multi-select-option input[type="checkbox"]:checked {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.multi-select-option input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 800;
    color: #000;
}

.multi-select-option-label {
    flex: 1;
}

.multi-select-option-code {
    color: var(--text-muted);
    font-size: .75rem;
}

.multi-select-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
}

.multi-select-loading {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: .85rem;
}

.multi-select-empty {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: .85rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
}

/* ===========================================================================
   TABLE
   =========================================================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

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

.data-table th {
    background: var(--bg-secondary);
    padding: 12px 14px;
    text-align: left;
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .03em;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    color: var(--accent-yellow);
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .03);
    font-size: .88rem;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

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

/* ===========================================================================
   STATUS BADGES
   =========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active {
    background: rgba(34, 197, 94, .12);
    color: var(--accent-green);
}

.badge-paused {
    background: rgba(249, 115, 22, .12);
    color: var(--accent-orange);
}

.badge-cancelled {
    background: rgba(239, 68, 68, .12);
    color: var(--accent-red);
}

.badge-pushed {
    background: rgba(0, 163, 224, .12);
    color: var(--accent-blue);
}

.badge-not-pushed {
    background: rgba(92, 96, 120, .15);
    color: var(--text-muted);
}

.badge-confirmed {
    background: rgba(168, 85, 247, .12);
    color: var(--accent-purple);
}

/* ---- Month pills ---- */
.month-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.month-pill {
    width: 22px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .65rem;
    font-weight: 600;
}

.month-pill.active {
    background: rgba(34, 197, 94, .15);
    color: var(--accent-green);
}

.month-pill.inactive {
    background: rgba(92, 96, 120, .1);
    color: var(--text-muted);
}

/* ===========================================================================
   BUTTONS
   =========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: .88rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:active {
    transform: scale(.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-yellow), #d49a14);
    color: #000;
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(232, 168, 23, .3);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

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

.btn-danger:hover {
    box-shadow: 0 4px 16px rgba(239, 68, 68, .3);
}

.btn-warning {
    background: #f59e0b;
    color: #fff;
}

.btn-warning:hover {
    box-shadow: 0 4px 16px rgba(245, 158, 11, .3);
}

.btn-success {
    background: #10b981;
    color: #fff;
}

.btn-success:hover {
    box-shadow: 0 4px 16px rgba(16, 185, 129, .3);
}

.btn-sm {
    padding: 4px 10px;
    font-size: .78rem;
    border-radius: var(--radius-xs);
}

.btn-icon {
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: var(--radius-xs);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: .9rem;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--border);
}

.btn-full {
    width: 100%;
}

.btn-zns {
    background: #0068FF;
    color: #fff;
}

.btn-sms {
    background: var(--accent-green);
    color: #fff;
}

.btn-call {
    background: var(--accent-purple);
    color: #fff;
}

.btn-group {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

/* ===========================================================================
   PAGINATION
   =========================================================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 0;
}

.page-btn {
    min-width: 34px;
    height: 34px;
    padding: 0 6px;
    border-radius: var(--radius-xs);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: .82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.page-btn.active {
    background: var(--accent-yellow);
    color: #000;
    border-color: var(--accent-yellow);
    font-weight: 700;
}

.page-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}

.page-info {
    color: var(--text-muted);
    font-size: .8rem;
    margin: 0 8px;
}

/* ===========================================================================
   MODALS
   =========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    animation: modalIn .25s ease;
}

.modal-sm {
    max-width: 420px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(.95) translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

/* ---- Confirm Modal ---- */
.confirm-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 12px;
}

.confirm-detail {
    color: var(--text-secondary);
    font-size: .88rem;
    margin-top: 8px;
}

#confirmModal .modal-body {
    text-align: center;
}

/* ===========================================================================
   FORMS
   =========================================================================== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: .88rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    color: var(--text-primary);
    transition: border-color var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.form-textarea {
    resize: vertical;
    min-height: 60px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-hint {
    color: var(--text-muted);
    font-size: .78rem;
    margin-top: 4px;
    display: block;
}

.form-actions {
    display: flex;
    gap: 8px;
    padding-top: 8px;
}

.required {
    color: var(--accent-red);
}

/* ---- Network selection ---- */
.network-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.network-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    font-size: .82rem;
}

.network-chip:hover {
    border-color: var(--accent-blue);
}

.network-chip.selected {
    background: rgba(0, 163, 224, .12);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.network-chip input {
    display: none;
}

/* ---- Month selection ---- */
.month-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.month-chip {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    font-size: .82rem;
    min-width: 44px;
    text-align: center;
}

.month-chip.selected {
    background: rgba(34, 197, 94, .12);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* ---- Switch toggle ---- */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
}

.slider::before {
    content: '';
    position: absolute;
    left: 3px;
    bottom: 3px;
    width: 18px;
    height: 18px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

.switch input:checked+.slider {
    background: var(--accent-green);
}

.switch input:checked+.slider::before {
    transform: translateX(20px);
    background: #fff;
}

/* ---- Channel options ---- */
.channel-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .88rem;
    cursor: pointer;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-yellow);
}

/* ===========================================================================
   ACTION TABS (ZNS/SMS/Call)
   =========================================================================== */
.action-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.action-tab {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: var(--radius-xs);
    background: none;
    color: var(--text-secondary);
    font-size: .82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.action-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.action-panel {
    display: none;
}

.action-panel.active {
    display: block;
}

.call-info {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 14px;
    margin: 12px 0;
}

.call-info ol {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: .88rem;
}

.call-info li {
    margin-bottom: 4px;
}

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

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    min-width: 280px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn .3s ease;
    font-size: .88rem;
}

.toast.hide {
    animation: toastOut .3s ease forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

.toast-success {
    border-left: 3px solid var(--accent-green);
}

.toast-error {
    border-left: 3px solid var(--accent-red);
}

.toast-info {
    border-left: 3px solid var(--accent-blue);
}

.toast-icon {
    font-size: 1.2rem;
}

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

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .charts-row {
        grid-template-columns: 1fr;
    }
}

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

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

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

    .menu-btn {
        display: block;
    }

    .sidebar-toggle {
        display: block;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .search-input {
        width: 180px;
    }

    .toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar {
        padding: 0 16px;
    }

    .tab-content {
        padding: 16px;
    }

    .modal {
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .search-input {
        width: 100%;
    }

    .toolbar-left {
        width: 100%;
    }

    .toolbar-right {
        width: 100%;
    }

    .toolbar-right .btn {
        width: 100%;
    }

    .action-tabs {
        flex-direction: column;
    }

    .stat-card {
        padding: 14px;
    }

    .stat-value {
        font-size: 1.4rem;
    }
}

/* ---- Overlay for mobile sidebar ---- */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 99;
    display: none;
}

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

/* ===========================================================================
   LOGIN PAGE
   =========================================================================== */
.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 30%, #0c4a6e 70%, #164e63 100%);
    transition: opacity .4s, visibility .4s;
}

.login-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 20px;
    padding: 48px 36px;
    box-shadow: 0 32px 64px rgba(0, 0, 0, .3);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(232, 168, 23, .3);
}

.login-title {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 2px;
    margin: 0;
}

.login-subtitle {
    color: rgba(255, 255, 255, .6);
    font-size: .9rem;
    margin-top: 8px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    color: rgba(255, 255, 255, .8);
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.login-form .form-input {
    width: 100%;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    color: #fff;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: .95rem;
    transition: all .2s;
    box-sizing: border-box;
}

.login-form .form-input::placeholder {
    color: rgba(255, 255, 255, .35);
}

.login-form .form-input:focus {
    outline: none;
    border-color: var(--accent-yellow);
    background: rgba(255, 255, 255, .15);
    box-shadow: 0 0 0 3px rgba(232, 168, 23, .2);
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: .6;
    transition: opacity .2s;
}

.password-toggle:hover {
    opacity: 1;
}

.login-btn {
    padding: 14px !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    border-radius: 10px !important;
    margin-top: 8px;
    background: linear-gradient(135deg, var(--accent-yellow), #f59e0b) !important;
    border: none !important;
    color: #1a1d26 !important;
    letter-spacing: .5px;
    transition: all .3s !important;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(232, 168, 23, .4) !important;
}

.login-error {
    color: #f87171;
    font-size: .85rem;
    margin-top: 12px;
    text-align: center;
    min-height: 20px;
}

.login-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: rgba(255, 255, 255, .4);
    font-size: .85rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, .15);
}

.login-divider span {
    padding: 0 16px;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px !important;
    background: #fff !important;
    color: #3c4043 !important;
    border: 1px solid #dadce0 !important;
    border-radius: 10px !important;
    font-weight: 500 !important;
    font-size: .95rem !important;
    transition: all .3s !important;
    text-decoration: none;
}

.btn-google:hover {
    background: #f8f9fa !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15) !important;
    transform: translateY(-1px);
}

.login-footer-text {
    text-align: center;
    color: rgba(255, 255, 255, .35);
    font-size: .78rem;
    margin-top: 16px;
}

/* ---- User Info in Topbar ---- */
.auth-area {
    display: flex;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-yellow);
}

.user-name {
    font-size: .85rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-ghost {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 1.1rem;
    transition: background .2s;
}

.btn-ghost:hover {
    background: var(--bg-hover);
}

/* ---- Brand Link (clickable name) ---- */
.brand-link {
    color: var(--accent-blue);
    text-decoration: none;
    cursor: pointer;
    transition: color .2s;
}

.brand-link:hover {
    color: var(--accent-yellow);
    text-decoration: underline;
}

/* ---- Dialog Overlay & Base ---- */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn .2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dialog {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp .3s ease;
    width: 90%;
    max-width: 560px;
}

.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
}

.dialog-header h2 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.dialog-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    transition: all .2s;
    line-height: 1;
}

.dialog-close:hover {
    background: var(--bg-hover);
    color: var(--accent-red);
}

.dialog-body {
    padding: 20px 24px;
}

/* ---- Brand Detail Dialog ---- */
.brand-detail-dialog {
    max-width: 640px;
    width: 95%;
    max-height: 85vh;
    overflow-y: auto;
}

.brand-detail-loading {
    text-align: center;
    padding: 40px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.brand-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-section {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.detail-section h4 {
    margin: 0 0 12px 0;
    font-size: .9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.detail-full {
    grid-column: 1 / -1;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: .85rem;
    border-bottom: 1px dashed var(--border);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-muted);
    min-width: 100px;
}

.detail-networks {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ---- Push Status Select (Overdue table) ---- */
.push-status-select {
    font-size: .8rem;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    cursor: pointer;
    min-width: 130px;
}

.push-status-select:focus {
    outline: none;
    border-color: var(--border-focus);
}


@media (max-width: 600px) {
    .brand-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================================================================
   CUSTOM CALC TOOLTIP (Overdue Amount)
   =========================================================================== */
.calc-tooltip-wrap {
    position: relative;
    display: inline-block;
    cursor: help;
}

.calc-tooltip-wrap .calc-tooltip-box {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    white-space: nowrap;
    font-size: .82rem;
    line-height: 1.7;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
    z-index: 999;
    transition: opacity .18s ease, visibility .18s ease;
}

.calc-tooltip-wrap:hover .calc-tooltip-box {
    visibility: visible;
    opacity: 1;
}

/* Arrow */
.calc-tooltip-wrap .calc-tooltip-box::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--border);
}

.calc-tooltip-label {
    color: var(--text-muted);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 4px;
    display: block;
}

.calc-tooltip-formula {
    color: var(--text-primary);
    font-weight: 500;
}

.calc-tooltip-formula .fee-network {
    color: var(--accent-blue);
}

.calc-tooltip-formula .fee-base {
    color: var(--primary-color, var(--accent-yellow));
}

.calc-tooltip-formula .months {
    color: var(--accent-orange);
    font-weight: 700;
}

.calc-tooltip-formula .result {
    color: var(--accent-red);
    font-weight: 700;
}