/* ==========================================================================
   WhatsApp Web Authentic Theme & Design System (Dark & Light)
   ========================================================================== */

:root {
    --bg-primary: #111b21;
    --bg-secondary: #202c33;
    --bg-card: #182229;
    --bg-card-header: #202c33;
    --bg-hover: #202c33;
    --bg-input: #2a3942;
    --text-primary: #e9edef;
    --text-secondary: #8696a0;
    --text-muted: #667781;
    --border-color: #222d34;
    --border-subtle: #2a3942;
    --accent-color: #00a884;
    --accent-hover: #02906f;
    --accent-dark: #005c4b;
    --whatsapp-green: #00a884;
    --danger-color: #ea4335;
    --warning-color: #fbbc04;
    --info-color: #53bdeb;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --header-height: 70px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-header: #f5f6f6;
    --bg-hover: #f5f6f6;
    --bg-input: #f0f2f5;
    --text-primary: #111b21;
    --text-secondary: #667781;
    --text-muted: #8696a0;
    --border-color: #e9edef;
    --border-subtle: #e9edef;
    --accent-color: #008069;
    --accent-hover: #017560;
    --accent-dark: #005c4b;
    --whatsapp-green: #008069;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #2a3942;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #374248;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover {
    color: var(--accent-hover);
    text-decoration: none;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-primary);
    position: relative;
    overflow-x: hidden;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 100;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.sidebar-header {
    height: var(--header-height);
    min-height: var(--header-height);
    max-height: var(--header-height);
    box-sizing: border-box;
    padding: 0 1.25rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: padding 0.25s;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-brand-icon {
    font-size: 1.65rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.sidebar-brand-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-close-mobile {
    display: none !important;
}

.sidebar-nav {
    flex: 1;
    padding: 0.85rem 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    color: var(--text-secondary);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s ease;
    white-space: nowrap;
    overflow: hidden;
}

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

.nav-link.active {
    background-color: var(--bg-hover);
    color: var(--accent-color);
    font-weight: 600;
    border-left: 3px solid var(--accent-color);
}

.nav-link i {
    font-size: 1.05rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-secondary);
    transition: padding 0.25s;
}

.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    overflow: hidden;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.user-info {
    overflow: hidden;
    white-space: nowrap;
}

.user-info .user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-info .user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Collapsed Sidebar Styles (Desktop) */
.app-container.sidebar-collapsed .app-sidebar {
    width: var(--sidebar-collapsed-width);
}

.app-container.sidebar-collapsed .sidebar-brand-title,
.app-container.sidebar-collapsed .user-info,
.app-container.sidebar-collapsed .nav-link span,
.app-container.sidebar-collapsed .sidebar-footer .icon-btn {
    display: none;
}

.app-container.sidebar-collapsed .sidebar-header {
    justify-content: center;
    padding: 0;
}

.app-container.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: 0.75rem 0;
}

.app-container.sidebar-collapsed .nav-link i {
    font-size: 1.25rem;
    width: auto;
}

.app-container.sidebar-collapsed .sidebar-footer {
    justify-content: center;
    padding: 0.75rem 0;
}

.app-container.sidebar-collapsed .user-profile-badge {
    gap: 0;
}

/* Main Content Area */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    height: 100vh;
    background-color: var(--bg-primary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-navbar {
    height: var(--header-height);
    min-height: var(--header-height);
    max-height: var(--header-height);
    box-sizing: border-box;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    height: 100%;
}

.sidebar-toggle-btn {
    font-size: 1.15rem;
    color: var(--text-primary);
}

.page-title-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}

.page-breadcrumb {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
    margin: 0 0 2px 0;
}

.page-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    line-height: 1.15;
    margin: 0;
    padding: 0;
}

.top-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    height: 100%;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.05rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.content-body {
    padding: 1.5rem 1.75rem;
    flex: 1;
    max-width: 100%;
}

/* Stats Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.35rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--border-subtle);
    background-color: var(--bg-hover);
}

.stat-value {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.2rem;
    letter-spacing: -0.3px;
}

.stat-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.green { background: rgba(0, 168, 132, 0.15); color: var(--accent-color); }
.stat-icon.blue { background: rgba(83, 189, 235, 0.15); color: var(--info-color); }
.stat-icon.orange { background: rgba(251, 188, 4, 0.15); color: var(--warning-color); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-card-header);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.25rem 1.25rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.custom-table, .data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th, .custom-table td,
.data-table th, .data-table td {
    padding: 0.85rem 1.15rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.custom-table th, .data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--bg-card-header);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
}

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

.btn-secondary:hover {
    background-color: #2a3942;
    color: #ffffff;
}

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

.btn-outline:hover {
    background-color: var(--bg-hover);
    color: #ffffff;
}

.btn-danger {
    background-color: rgba(234, 67, 53, 0.15);
    color: var(--danger-color);
    border: 1px solid rgba(234, 67, 53, 0.3);
}

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

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Forms */
.form-group {
    margin-bottom: 1.15rem;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.9rem;
    background-color: var(--bg-input);
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.15s ease;
}

.form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 168, 132, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 85px;
    font-family: inherit;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    border-radius: 14px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(0, 168, 132, 0.15); color: var(--accent-color); border: 1px solid rgba(0, 168, 132, 0.3); }
.badge-warning { background: rgba(251, 188, 4, 0.15); color: var(--warning-color); border: 1px solid rgba(251, 188, 4, 0.3); }
.badge-danger { background: rgba(234, 67, 53, 0.15); color: var(--danger-color); border: 1px solid rgba(234, 67, 53, 0.3); }
.badge-info { background: rgba(83, 189, 235, 0.15); color: var(--info-color); border: 1px solid rgba(83, 189, 235, 0.3); }
.badge-secondary { background: rgba(134, 150, 160, 0.15); color: var(--text-secondary); border: 1px solid rgba(134, 150, 160, 0.3); }

/* Alerts */
.alert {
    padding: 0.85rem 1.15rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.alert-success { background: rgba(0, 168, 132, 0.12); border: 1px solid rgba(0, 168, 132, 0.3); color: var(--accent-color); }
.alert-danger { background: rgba(234, 67, 53, 0.12); border: 1px solid rgba(234, 67, 53, 0.3); color: var(--danger-color); }

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 20, 26, 0.8);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-dialog-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    width: 100%;
    max-width: 560px;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    padding: 1.5rem;
}

/* Mobile & Responsive Rules */
@media (max-width: 991px) {
    .app-sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        height: 100vh;
        width: 260px !important;
        transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 0 30px rgba(0,0,0,0.7);
    }
    .app-container.sidebar-mobile-open .app-sidebar {
        left: 0;
    }
    .sidebar-close-mobile {
        display: flex;
    }
    .app-container.sidebar-collapsed .app-sidebar {
        width: 260px !important;
    }
    .app-container.sidebar-collapsed .sidebar-brand-title,
    .app-container.sidebar-collapsed .user-info,
    .app-container.sidebar-collapsed .nav-link span,
    .app-container.sidebar-collapsed .sidebar-footer .icon-btn {
        display: inline-block;
    }
    .app-container.sidebar-collapsed .nav-link {
        justify-content: flex-start;
        padding: 0.65rem 0.85rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    .top-navbar {
        padding: 0 0.75rem;
        height: 60px !important;
        min-height: 60px !important;
        max-height: 60px !important;
        gap: 0.5rem;
    }
    .top-nav-left {
        gap: 0.5rem;
        min-width: 0;
        flex: 1;
    }
    .page-title-wrap {
        min-width: 0;
        flex: 1;
    }
    .page-breadcrumb {
        display: none !important;
    }
    .page-title {
        font-size: 0.95rem !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        max-width: 140px;
        line-height: 1.2 !important;
    }
    .top-nav-actions {
        gap: 0.35rem;
        flex-shrink: 0;
    }
    .top-nav-actions .nav-badge-text,
    .top-nav-actions .nav-btn-text {
        display: none !important;
    }
    .top-nav-actions .badge {
        padding: 0.35rem 0.45rem;
        font-size: 0.8rem;
    }
    .top-nav-actions .btn-sm {
        padding: 0.35rem 0.6rem;
        font-size: 0.85rem;
    }
    .top-nav-actions .icon-btn {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    .profile-page-grid {
        grid-template-columns: 1fr !important;
    }
    .profile-page-grid .admin-card {
        position: static !important;
    }
    .form-grid {
        grid-template-columns: 1fr !important;
    }
    .content-body {
        padding: 1rem 0.75rem;
    }
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
    }
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .dashboard-header-actions {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 0.5rem !important;
        width: 100% !important;
    }
    .dashboard-header-actions .btn {
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
        padding: 0.45rem 0.5rem !important;
        font-size: 0.82rem !important;
    }
}

@media (max-width: 480px) {
    .page-title {
        max-width: 110px;
        font-size: 0.88rem !important;
    }
    .top-nav-actions {
        gap: 0.25rem;
    }
    .top-nav-actions .badge.super-admin-badge {
        display: none !important;
    }
}