/* ═══════════════════════════════════════════════════════════════════════
   WhatsApp Hub — CPaaS Light Theme
   Modern, premium light theme with indigo accent
   ═══════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Custom Properties ─────────────────────────────────────────── */
:root {
    /* Primary palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #eef2ff;
    --primary-glow: rgba(99, 102, 241, 0.15);

    /* Secondary / accent */
    --accent: #8b5cf6;
    --accent-light: #f5f3ff;

    /* Status colors */
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #3b82f6;
    --info-light: #eff6ff;

    /* Neutrals */
    --white: #ffffff;
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --bg-sidebar: #1e1b4b;
    --bg-sidebar-hover: #312e81;
    --bg-sidebar-active: rgba(99, 102, 241, 0.2);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-sidebar: #c7d2fe;
    --text-sidebar-active: #ffffff;

    /* Borders */
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    /* Layout */
    --sidebar-width: 268px;
    --sidebar-collapsed: 80px;
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

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

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

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

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

/* ═══════════════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════════════ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    z-index: 1000;
    transition: var(--transition-slow);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 72px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar-logo svg {
    width: 22px;
    height: 22px;
    color: white;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-brand-name {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
    white-space: nowrap;
}

.sidebar-brand-tag {
    font-size: 11px;
    color: var(--text-sidebar);
    opacity: 0.7;
    white-space: nowrap;
}

/* Navigation */
.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: rgba(199, 210, 254, 0.4);
    padding: 12px 14px 6px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-section-title::-webkit-details-marker {
    display: none;
}

.nav-section-title::after {
    content: "▼";
    font-size: 8px;
    opacity: 0.5;
    transition: transform 0.2s;
}

details[open].nav-section .nav-section-title::after {
    transform: rotate(180deg);
}

details[open].nav-section .nav-item {
    animation: sidebarAccordionOpen 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform-origin: top;
    opacity: 0;
    /* Prevents flash before animation starts */
}

/* Staggered cascading effect for a premium feel */
details[open].nav-section a.nav-item:nth-of-type(1) {
    animation-delay: 0.00s;
}

details[open].nav-section a.nav-item:nth-of-type(2) {
    animation-delay: 0.04s;
}

details[open].nav-section a.nav-item:nth-of-type(3) {
    animation-delay: 0.08s;
}

details[open].nav-section a.nav-item:nth-of-type(4) {
    animation-delay: 0.12s;
}

details[open].nav-section a.nav-item:nth-of-type(5) {
    animation-delay: 0.16s;
}

details[open].nav-section a.nav-item:nth-of-type(6) {
    animation-delay: 0.20s;
}

details[open].nav-section a.nav-item:nth-of-type(7) {
    animation-delay: 0.24s;
}

details[open].nav-section a.nav-item:nth-of-type(8) {
    animation-delay: 0.28s;
}

details[open].nav-section a.nav-item:nth-of-type(9) {
    animation-delay: 0.32s;
}

@keyframes sidebarAccordionOpen {
    0% {
        opacity: 0;
        transform: translateY(-12px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-sidebar);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: var(--bg-sidebar-active);
    color: var(--text-sidebar-active);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-item svg,
.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg,
.nav-item:hover svg {
    opacity: 1;
}

.nav-item .nav-label {
    flex: 1;
    white-space: nowrap;
}

.nav-item .nav-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    min-width: 20px;
    text-align: center;
}

/* ═══════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════ */
.main-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    transition: var(--transition-slow);
}

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

.sidebar-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: var(--bg);
    color: var(--primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb .sep {
    color: var(--border);
}

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

.header-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.header-btn:hover {
    background: var(--bg);
    color: var(--primary);
    border-color: var(--primary-glow);
}

.header-btn .badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--danger);
    border: 2px solid var(--white);
}

.header-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 4px;
    border-radius: 24px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.header-profile:hover {
    background: var(--bg);
}

.header-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 13px;
}

.header-profile-info {
    display: flex;
    flex-direction: column;
}

.header-profile-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.header-profile-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Profile dropdown */
.profile-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 220px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 1001;
}

.header-profile.open .profile-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

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

.dropdown-item.danger {
    color: var(--danger);
}

.dropdown-item.danger:hover {
    background: var(--danger-light);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════════════════════ */
.main-content {
    margin-left: var(--sidebar-width);
    padding-top: var(--header-height);
    min-height: 100vh;
    transition: var(--transition-slow);
}

.content-wrapper {
    padding: 28px;
    max-width: 1440px;
}

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════════════════════════ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

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

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
}

/* Stat cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.primary::after {
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.stat-card.success::after {
    background: linear-gradient(90deg, var(--success), #34d399);
}

.stat-card.warning::after {
    background: linear-gradient(90deg, var(--warning), #fbbf24);
}

.stat-card.danger::after {
    background: linear-gradient(90deg, var(--danger), #f87171);
}

.stat-card.info::after {
    background: linear-gradient(90deg, var(--info), #60a5fa);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.stat-card.warning .stat-card-icon {
    background: var(--warning-light);
    color: var(--warning);
}

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

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

.stat-card-icon svg {
    width: 24px;
    height: 24px;
}

.stat-card-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
    line-height: 1;
}

.stat-card-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 6px;
}

.stat-card-change {
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-card-change.up {
    color: var(--success);
}

.stat-card-change.down {
    color: var(--danger);
}

/* ═══════════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #059669;
    color: white;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: 12.5px;
    border-radius: 6px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

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

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

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

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

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

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.input-group {
    display: flex;
    gap: 0;
}

.input-group .form-control {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.input-group .btn {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════════════════════ */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 14px 16px;
    font-size: 13.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

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

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

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

/* ═══════════════════════════════════════════════════════════════════════
   STATUS BADGES
   ═══════════════════════════════════════════════════════════════════════ */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: #b45309;
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-info {
    background: var(--info-light);
    color: var(--info);
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-secondary {
    background: var(--bg);
    color: var(--text-muted);
}

.badge-read {
    background: #dbeafe;
    color: #1d4ed8;
}

/* ═══════════════════════════════════════════════════════════════════════
   ALERTS / FLASH MESSAGES
   ═══════════════════════════════════════════════════════════════════════ */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border-left: 4px solid var(--info);
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.5;
    color: inherit;
}

.alert-close:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* ═══════════════════════════════════════════════════════════════════════
   TABS
   ═══════════════════════════════════════════════════════════════════════ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 24px;
    gap: 0;
}

.tab {
    padding: 12px 20px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ═══════════════════════════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    animation: scaleIn 0.2s ease;
}

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

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

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

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

/* ═══════════════════════════════════════════════════════════════════════
   DRAG & DROP UPLOAD ZONE
   ═══════════════════════════════════════════════════════════════════════ */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-zone svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-zone-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.upload-zone-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════════════ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state-desc {
    font-size: 14px;
    margin-bottom: 20px;
}

/* ═══════════════════════════════════════════════════════════════════════
   CHART CONTAINER
   ═══════════════════════════════════════════════════════════════════════ */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════
   GRID LAYOUT HELPERS
   ═══════════════════════════════════════════════════════════════════════ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 8px;
}

.gap-3 {
    gap: 12px;
}

.gap-4 {
    gap: 16px;
}

.gap-6 {
    gap: 24px;
}

.mt-4 {
    margin-top: 16px;
}

.mt-6 {
    margin-top: 24px;
}

.mb-4 {
    margin-bottom: 16px;
}

.mb-6 {
    margin-bottom: 24px;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

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

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.font-mono {
    font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace;
}

.w-full {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════
   LOADING SPINNER
   ═══════════════════════════════════════════════════════════════════════ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

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

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
}

/* ═══════════════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════════════ */
.toast-container {
    position: fixed;
    top: 80px;
    right: 28px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    font-size: 13.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease;
    min-width: 300px;
    max-width: 400px;
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--danger);
}

.toast.warning {
    border-left-color: var(--warning);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-header {
        left: 0;
    }

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

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Dashboard channel grid — 2 columns on tablet */
    .cpaas-channel-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Charts row — stack vertically */
    .mb-6[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 0 10px;
    }

    .header-left {
        gap: 4px;
    }

    .header-right {
        gap: 4px;
    }

    .breadcrumb {
        display: none;
    }

    /* Hide breadcrumb completely on mobile to save space */
    .header-right>.flex {
        padding: 4px 8px !important;
        font-size: 12px !important;
        margin-right: 2px !important;
    }

    /* Compress wallet box */
    .header-btn {
        width: 32px;
        height: 32px;
        margin-right: 0 !important;
    }

    .header-profile {
        padding: 2px;
    }

    .header-avatar {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }

    .content-wrapper {
        padding: 12px;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-profile-info {
        display: none;
    }

    /* Dashboard hero — stack vertically */
    .cpaas-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 16px;
    }

    .cpaas-hero-title h2 {
        font-size: 18px;
    }

    .cpaas-quick-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .cpaas-quick-actions .btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }

    /* Dashboard channel grid — single column */
    .cpaas-channel-grid {
        grid-template-columns: 1fr !important;
    }

    /* All inline grid sections collapse */
    [style*="grid-template-columns: 1.5fr"],
    [style*="grid-template-columns: 1.2fr"] {
        display: block !important;
    }

    [style*="grid-template-columns: 1.5fr"]>*,
    [style*="grid-template-columns: 1.2fr"]>* {
        margin-bottom: 20px;
    }

    /* Table scroll wrapper */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* cpaas-workspace-grid for user form */
    .cpaas-workspace-grid {
        grid-template-columns: 1fr !important;
    }
}

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

    .cpaas-channel-grid {
        grid-template-columns: 1fr !important;
    }

    .page-header .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .card-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Hide less critical table columns on tiny screens */
    .data-table th:nth-child(n+5):not(:last-child),
    .data-table td:nth-child(n+5):not(:last-child) {
        display: none;
    }
}

/* ═══════════════════════════════════════════════════════════════════════
   TEMPLATE PREVIEW (WhatsApp-style bubble)
   ═══════════════════════════════════════════════════════════════════════ */
.wa-preview {
    background: #e5ddd5;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23d1cdc7' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
    border-radius: var(--radius);
    padding: 20px;
    min-height: 200px;
}

.wa-bubble {
    background: var(--white);
    border-radius: 0 8px 8px 8px;
    padding: 12px 14px;
    max-width: 320px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
    font-size: 14px;
    line-height: 1.5;
    color: #303030;
    position: relative;
}

.wa-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-right: 8px solid var(--white);
    border-bottom: 8px solid transparent;
}

.wa-bubble-header {
    font-weight: 700;
    margin-bottom: 6px;
    padding-bottom: 6px;
    border-bottom: 1px solid #f0f0f0;
}

.wa-bubble-footer {
    font-size: 12px;
    color: #8696a0;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid #f0f0f0;
}

.wa-bubble-time {
    font-size: 11px;
    color: #8696a0;
    text-align: right;
    margin-top: 4px;
}

.wa-bubble-btn {
    display: block;
    text-align: center;
    padding: 8px;
    border-top: 1px solid #f0f0f0;
    color: #00a884;
    font-size: 14px;
    font-weight: 500;
    margin-top: 6px;
}

.wa-variable {
    background: #dcf8c6;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════════════
   UTILITY: Toggle Switch
   ═══════════════════════════════════════════════════════════════════════ */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

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

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 12px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--primary);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(20px);
}

/* ═══════════════════════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════════════════════ */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.pagination .active {
    background: var(--primary);
    color: white;
}

/* ═══════════════════════════════════════════════════════════════════════
   FILTER BAR
   ═══════════════════════════════════════════════════════════════════════ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.filter-bar .form-control {
    width: auto;
    min-width: 160px;
    padding: 8px 14px;
    font-size: 13px;
}

.filter-bar .btn {
    padding: 8px 16px;
    font-size: 13px;
}

/* ═══════════════════════════════════════════════════════════════════════
   CHOICES.JS OVERRIDES (Searchable Selects)
   ═══════════════════════════════════════════════════════════════════════ */
.choices {
    margin-bottom: 0;
}

.choices__inner {
    width: 100%;
    padding: 7.5px 14px !important;
    min-height: 0 !important;
    height: auto !important;
    border: 1.5px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.6 !important;
    color: var(--text-primary);
    background: var(--white) !important;
    transition: var(--transition);
    outline: none;
    display: flex !important;
    align-items: center !important;
}

.choices[data-type*="select-one"]::after {
    border: none !important;
    margin-top: 0 !important;
    transform: translateY(-50%);
    right: 14px;
    width: 12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.choices.is-open[data-type*="select-one"]::after {
    transform: translateY(-50%) rotate(180deg);
}

.choices.is-focused .choices__inner {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-glow) !important;
}

.choices__list--dropdown,
.choices__list[aria-expanded] {
    border: 1.5px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-lg) !important;
    z-index: 9999 !important;
    margin-top: 4px;
    word-break: break-word;
}

.choices__list--dropdown .choices__item--selectable.is-highlighted,
.choices__list[aria-expanded] .choices__item--selectable.is-highlighted {
    background-color: var(--primary-light) !important;
    color: var(--primary-dark) !important;
}

.choices[data-type*="select-one"] .choices__input {
    margin-bottom: 8px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    padding: 6px 12px;
    font-size: 13px;
}

.choices__list--dropdown .choices__item,
.choices__list[aria-expanded] .choices__item {
    font-size: 14px;
    padding: 10px 14px;
}

.choices__list--single {
    padding: 0 !important;
}