/**
 * Lead CRM - Modern UI Stylesheet
 * Inspired by modern healthcare dashboards with glassmorphism
 */

:root {
    /* Primary Colors - Soft Indigo/Blue */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    
    /* Accent Colors - Pastels */
    --accent-purple: #a78bfa;
    --accent-pink: #f0abfc;
    --accent-cyan: #67e8f9;
    --accent-green: #86efac;
    --accent-yellow: #fde047;
    --accent-orange: #fdba74;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Background - Soft Gradient */
    --bg-gradient-start: #e0e7ff;
    --bg-gradient-mid: #ede9fe;
    --bg-gradient-end: #dbeafe;
    
    /* Card Backgrounds */
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-hover-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(99, 102, 241, 0.12);
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Layout */
    --sidebar-width: 80px;
    --sidebar-expanded-width: 260px;
    --border-radius-sm: 12px;
    --border-radius-md: 16px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.08);
    --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.12);
    --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.16);
    --shadow-hover: 0 12px 40px rgba(99, 102, 241, 0.2);
}

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

body {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.sidebar:hover {
    width: var(--sidebar-expanded-width);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar:hover .sidebar-brand {
    opacity: 1;
}

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

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    color: var(--text-secondary);
    border-radius: var(--border-radius-md);
    margin-bottom: 6px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.sidebar-nav .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    transition: width 0.3s ease;
    border-radius: var(--border-radius-md);
}

.sidebar-nav .nav-link:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-nav .nav-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(167, 139, 250, 0.12));
    color: var(--primary);
    font-weight: 600;
}

.sidebar-nav .nav-link.active::before {
    width: 4px;
}

.sidebar-nav .nav-link i {
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-nav .nav-link-text {
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.sidebar:hover .nav-link-text {
    opacity: 1;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--card-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius-md);
    transition: background 0.2s ease;
    cursor: pointer;
}

.user-info:hover {
    background: rgba(99, 102, 241, 0.08);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-details {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar:hover .user-details {
    opacity: 1;
}

.user-details .user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    display: block;
}

.user-details .user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 999;
    margin-bottom: 32px;
}

.topbar-left h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.topbar-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.topbar-icon-btn:hover {
    background: var(--card-hover-bg);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--danger);
    color: white;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

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

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--card-border);
    padding: 20px 24px;
}

.card-header h5 {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    margin: 0;
}

.card-body {
    padding: 24px;
}

/* Stat Cards */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: rgba(99, 102, 241, 0.2);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.stat-icon.bg-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.25));
    color: var(--primary);
}

.stat-icon.bg-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.25));
    color: var(--success);
}

.stat-icon.bg-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.25));
    color: var(--warning);
}

.stat-icon.bg-info {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.25));
    color: var(--info);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    margin-top: 8px;
    padding: 4px 10px;
    border-radius: 20px;
}

.stat-trend.up {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.stat-trend.down {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Avatar */
.avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(167, 139, 250, 0.2));
    border: 2px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.avatar-md {
    width: 56px;
    height: 56px;
    font-size: 18px;
}

.avatar-lg {
    width: 72px;
    height: 72px;
    font-size: 24px;
}

/* Status Dot */
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

/* Tables */
.table {
    color: var(--text-primary);
    margin-bottom: 0;
}

.table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-color: var(--card-border);
    padding: 16px 20px;
    background: transparent;
}

.table td {
    border-color: var(--card-border);
    padding: 16px 20px;
    vertical-align: middle;
}

.table-hover tbody tr {
    transition: all 0.2s ease;
}

.table-hover tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
    transform: scale(1.005);
}

/* Forms */
.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    padding: 12px 16px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
    outline: none;
}

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

.form-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #9333ea);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline-secondary:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--primary);
    color: var(--primary);
}

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

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

/* Badges */
.badge {
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge.bg-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.25));
    color: var(--primary);
}

.badge.bg-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.25));
    color: var(--success);
}

.badge.bg-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.25));
    color: var(--warning);
}

.badge.bg-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.25));
    color: var(--danger);
}

.badge.bg-info {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.25));
    color: var(--info);
}

.badge.bg-secondary {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-secondary);
}

/* Detail Card */
.detail-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(20px);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--card-border);
}

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

.detail-label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
}

/* Activity Timeline */
.activity-timeline {
    position: relative;
    padding-left: 32px;
}

.activity-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent-purple) 100%);
    opacity: 0.3;
}

.activity-item {
    position: relative;
    padding-bottom: 24px;
}

.activity-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.activity-item:last-child {
    padding-bottom: 0;
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 6px;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
}

.activity-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius-md);
    border: none;
    padding: 16px 20px;
    backdrop-filter: blur(20px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
}

.alert-info {
    background: rgba(6, 182, 212, 0.12);
    color: #0e7490;
}

/* Modal */
.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--card-border);
    padding: 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--card-border);
    padding: 20px 24px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(99, 102, 241, 0.05);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-radius: 5px;
    opacity: 0.6;
}

::-webkit-scrollbar-thumb:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-expanded-width);
    }

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

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

    .topbar {
        padding: 16px 20px;
    }
}

@media (max-width: 767.98px) {
    .stat-value {
        font-size: 1.5rem;
    }

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

/* DataTables */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    padding: 8px 14px;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-secondary);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-secondary) !important;
    border-radius: var(--border-radius-sm) !important;
    border: 1px solid var(--card-border) !important;
    background: transparent !important;
    margin: 0 2px;
    padding: 6px 14px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
}

/* Utility Classes */
.text-muted {
    color: var(--text-muted) !important;
}

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

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Chart Customization */
canvas {
    border-radius: var(--border-radius-md);
}

/* Pagination */
.pagination .page-link {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm) !important;
    margin: 0 3px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.pagination .page-link:hover {
    background: rgba(99, 102, 241, 0.12);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.pagination .page-item.disabled .page-link {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--card-border);
}

/* Card Footer for Pagination */
.card-footer {
    background: transparent;
    border-top: 1px solid var(--card-border);
    padding: 16px 24px;
}

/* Notification Dropdown */
.notification-dropdown {
    background: var(--card-bg) !important;
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border) !important;
    border-radius: var(--border-radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    overflow: hidden;
}

.notification-dropdown .list-group-item {
    background: transparent;
    border-color: var(--card-border);
    padding: 12px 16px;
    transition: background 0.2s ease;
}

.notification-dropdown .list-group-item:hover {
    background: rgba(99, 102, 241, 0.06);
}

/* Search Input Group */
.input-group-text {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--card-border);
    border-right: none;
    color: var(--text-muted);
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.input-group .form-control:focus {
    border-color: var(--primary);
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary);
    color: var(--primary);
}

/* Status Item Hover */
.status-item {
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    transition: background 0.2s ease;
}

.status-item:hover {
    background: rgba(99, 102, 241, 0.05);
}