:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background-color: #121420;
    --card-bg: #1c1f33;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --border-color: #2c314a;
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
    --header-height: 64px;
    --transition-speed: 0.3s;
    --glow-cyan: rgba(0, 210, 255, 0.6);
}

@keyframes glowBorder {
    0% {
        box-shadow: 0 0 5px var(--glow-cyan), 0 0 10px var(--glow-cyan);
    }

    100% {
        box-shadow: 0 0 15px var(--glow-cyan), 0 0 25px var(--primary-color);
    }
}

@keyframes gradientBg {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Layout */
.crm-container {
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
.crm-sidebar {
    width: var(--sidebar-width);
    background-color: #0b0f19;
    color: white;
    position: fixed;
    height: 100vh;
    transition: width var(--transition-speed);
    z-index: 100;
    border-right: 1px solid var(--primary-color);
    animation: glowBorder 2s infinite alternate;
    overflow-y: auto;
    overflow-x: hidden;
}

.crm-sidebar::-webkit-scrollbar {
    width: 4px;
}

.crm-sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.crm-sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.logo-area {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    background-color: rgba(255, 255, 255, 0.05);
    font-weight: 700;
    font-size: 1.25rem;
    overflow: hidden;
    white-space: nowrap;
}

.logo-area i {
    min-width: 30px;
    color: var(--primary-color);
}

.crm-sidebar.collapsed .logo-text {
    opacity: 0;
}

.crm-nav {
    padding-top: 20px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #94a3b8;
    text-decoration: none;
    transition: all var(--transition-speed);
    white-space: nowrap;
    overflow: hidden;
}

.nav-item i {
    min-width: 30px;
    font-size: 1.1rem;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-left: 3px solid var(--primary-color);
}

.crm-sidebar.collapsed .nav-item span {
    opacity: 0;
    visibility: hidden;
}

/* Main Content */
.crm-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-speed);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.crm-main.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.crm-header {
    height: var(--header-height);
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    box-shadow: 0 1px 10px 0 var(--glow-cyan);
    position: sticky;
    top: 0;
    z-index: 90;
    border-bottom: 1px solid var(--primary-color);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sidebar-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.search-bar {
    position: relative;
}

.search-bar input {
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 250px;
    outline: none;
    transition: border-color 0.2s;
}

.search-bar input:focus {
    border-color: var(--primary-color);
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger-color);
    color: white;
    font-size: 0.7rem;
    padding: 2px 5px;
    border-radius: 10px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.user-profile img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.user-profile span {
    font-weight: 500;
}

/* Content Area */
.crm-content {
    padding: 24px;
}

/* Dashboard Widgets */
.dashboard-overview {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.welcome-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.welcome-banner h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #0b7aa6;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.kpi-card {
    background-color: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.kpi-icon.sales {
    background-color: #e0f2fe;
    color: #0284c7;
}

.kpi-icon.clients {
    background-color: #f0fdf4;
    color: #16a34a;
}

.kpi-icon.tasks {
    background-color: #fff7ed;
    color: #ea580c;
}

.kpi-icon.revenue {
    background-color: #fce7f3;
    color: #db2777;
}

.kpi-info h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.kpi-info .value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.trend {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.trend.up {
    color: var(--success-color);
}

.trend.down {
    color: var(--danger-color);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 24px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Sales Pipeline */
.pipeline-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.stage-name {
    width: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bar-container {
    flex: 1;
    height: 10px;
    background-color: #f1f5f9;
    border-radius: 5px;
    overflow: hidden;
}

.bar {
    height: 100%;
    border-radius: 5px;
}

.count {
    width: 30px;
    text-align: right;
    font-weight: 600;
}

/* Activity Feed */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.activity-item {
    display: flex;
    gap: 12px;
}

.activity-icon-wrapper {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon-wrapper.meeting {
    background-color: #e0e7ff;
    color: #4338ca;
}

.activity-icon-wrapper.email {
    background-color: #ffedd5;
    color: #c2410c;
}

.activity-icon-wrapper.task {
    background-color: #ecfccb;
    color: #4d7c0f;
}

.activity-content .description {
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.activity-content .time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Task List */
.task-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.task-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.task-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.task-check input {
    cursor: pointer;
}

.task-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.badge.high {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge.medium {
    background-color: #fef3c7;
    color: #92400e;
}

.badge.low {
    background-color: #dcfce7;
    color: #166534;
}

.task-meta .badge {
    position: static;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
}

.task-meta .deadline {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (min-width: 769px) {
    .crm-sidebar.collapsed {
        width: var(--sidebar-collapsed-width);
    }

    .crm-sidebar.collapsed .logo-text,
    .crm-sidebar.collapsed .nav-item span {
        opacity: 0;
        visibility: hidden;
    }

    .crm-main.expanded {
        margin-left: var(--sidebar-collapsed-width);
    }
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .crm-sidebar {
        width: 250px;
        left: -250px;
        transition: left var(--transition-speed);
        z-index: 1001;
        /* Above backdrop */
    }

    .crm-sidebar.mobile-show {
        left: 0;
    }

    .crm-sidebar .logo-text,
    .crm-sidebar .nav-item span {
        opacity: 1 !important;
        visibility: visible !important;
    }

    .crm-main {
        margin-left: 0 !important;
    }

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

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

    .header-right span {
        display: none;
    }

    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: 1000;
        display: none;
    }

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

/* Profile Dropdown */
.profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 8px 0;
    display: none;
    z-index: 1000;
    margin-top: 8px;
}

.profile-dropdown.show {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.2s;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 0.9rem;
    background: none;
    cursor: pointer;
}

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

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

.dropdown-item.text-danger:hover {
    background-color: #fef2f2;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

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

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

/* Dashboard Widget Grid */
.dashboard-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.action-card {
    background: linear-gradient(-45deg, var(--card-bg), #202a4a, var(--primary-color));
    background-size: 400% 400%;
    animation: gradientBg 6s ease infinite;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border: 1px solid var(--primary-color);
    height: 100%;
    box-shadow: 0 0 5px var(--glow-cyan);
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px var(--glow-cyan), 0 0 25px var(--primary-color);
    border-color: #ffffff;
}

.action-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin-bottom: 8px;
}

.action-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.action-card h5 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.action-card .btn-link {
    margin-top: auto;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    text-decoration: none;
    transition: background-color 0.2s;
    width: 100%;
}

.action-card .btn-link:hover {
    background-color: #0b7aa6;
}

/* Section Divider */
.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

/* Premium Form Styling */
.form-label,
.form-check-label {
    color: var(--text-primary) !important;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    background-color: #1a1e2e !important;
    border: 1px solid var(--border-color) !important;
    color: white !important;
    border-radius: 8px;
    padding: 10px 15px;
    transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
    background-color: #1a1e2e !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.25rem rgba(0, 210, 255, 0.15);
}

.form-control::placeholder {
    color: #64748b;
}

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

select.form-select option {
    background-color: #1a1e2e;
    color: white;
}

/* Detail View Styling */
.detail-item {
    margin-bottom: 1rem;
    padding: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-item label {
    display: block;
    margin-bottom: 5px;
}

.detail-item div {
    color: var(--text-primary);
}

.text-primary {
    color: var(--primary-color) !important;
}

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

.text-warning {
    color: var(--warning-color) !important;
}

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

/* Custom Table Styling */
.custom-table {
    width: 100% !important;
    margin-bottom: 0 !important;
    background-color: #000000 !important;
    --bs-table-bg: #000000 !important;
}

.custom-table thead th {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 14px 15px;
    border-bottom: 2px solid var(--border-color) !important;
    white-space: nowrap;
}

.custom-table tbody td {
    padding: 12px 15px;
    font-size: 0.9rem;
    color: var(--text-primary);
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    white-space: normal;
    word-break: break-word;
    font-weight: 500;
}

.custom-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.custom-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.08) !important;
}

/* DataTables Responsive Child Row Styling */
table.dataTable.dtr-inline.collapsed>tbody>tr>td.dtr-control:before,
table.dataTable.dtr-inline.collapsed>tbody>tr>th.dtr-control:before {
    background-color: var(--primary-color) !important;
}

table.dataTable>tbody>tr.child ul.dtr-details {
    width: 100%;
    background-color: #1a1e2e;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    list-style: none;
}

table.dataTable>tbody>tr.child li {
    border-bottom: 1px solid var(--border-color) !important;
    padding: 8px 0;
    display: flex;
    justify-content: space-between;
}

table.dataTable>tbody>tr.child span.dtr-title {
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 120px;
}