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

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #0d9488;
    --border: #e2e8f0;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --font: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Layout */
.app-container {
    display: flex;
    width: 100%;
}

.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-right: 1px solid var(--border);
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
}

.sidebar-menu {
    list-style: none;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
}

.menu-header {
    padding: 1.5rem 1rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.925rem;
    transition: var(--transition);
}

.menu-item a:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.menu-item.active a {
    background-color: var(--primary);
    color: #fff;
}

.main-content {
    margin-left: 260px;
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: calc(100% - 260px);
    transition: var(--transition);
}

/* Header */
.top-header {
    height: 70px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.user-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Content Frame */
.content-body {
    padding: 2rem;
    flex-grow: 1;
}

/* Cards & Layout Grid */
.dashboard-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 1024px) {
    .dashboard-grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.card-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-desc {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

.card-accent-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--primary);
}

.card-accent-border.success { background-color: var(--success); }
.card-accent-border.warning { background-color: var(--warning); }
.card-accent-border.danger { background-color: var(--danger); }

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-secondary);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.custom-table th {
    background-color: var(--bg-primary);
    padding: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.custom-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.custom-table tbody tr:hover {
    background-color: rgba(248, 250, 252, 0.8);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
}

.badge.success { background-color: var(--success-light); color: var(--success); }
.badge.warning { background-color: var(--warning-light); color: var(--warning); }
.badge.danger { background-color: var(--danger-light); color: var(--danger); }
.badge.info { background-color: var(--primary-light); color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

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

.btn-danger {
    background-color: var(--danger-light);
    color: var(--danger);
    border-color: transparent;
}

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

.btn-icon {
    padding: 0.375rem;
    border-radius: var(--radius-sm);
}

/* Form inputs */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Three dot action menu */
.action-dropdown {
    position: relative;
    display: inline-block;
}

.action-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    min-width: 120px;
    padding: 0.25rem 0;
}

.action-dropdown-menu.show {
    display: block;
}

/* Position dropdown above the row for the last 2 rows to prevent clipping */
.custom-table tr:nth-last-child(-n+2) .action-dropdown-menu {
    top: auto;
    bottom: 100%;
    margin-bottom: 0.25rem;
}

.action-dropdown-item {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    text-align: left;
    background: none;
    border: none;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
}

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

/* Modal styling */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

.modal-container {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-weight: 600;
    font-size: 1.125rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background-color: var(--bg-primary);
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Global Transition for Theme Toggling */
body, .main-content, .top-header, .card, .table-container, .custom-table, .custom-table th, .custom-table td, .form-control, .btn, .modal-container, .modal-header, .modal-footer, .pagination-container, .pagination-container nav a {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Dark Theme Variables Override */
.dark-theme {
    --bg-primary: #0f172a;       /* slate-900 */
    --bg-secondary: #1e293b;     /* slate-800 */
    --text-primary: #f8fafc;     /* slate-50 */
    --text-secondary: #94a3b8;   /* slate-400 */
    --border: #334155;           /* slate-700 */
    --primary-light: #172554;     /* blue-950 */
    --success-light: #064e3b;     /* emerald-950 */
    --warning-light: #78350f;     /* amber-950 */
    --danger-light: #7f1d1d;      /* red-950 */
}

/* Dark mode tweaks */
.dark-theme .logo-icon {
    background-color: var(--primary);
    color: #fff;
}

.dark-theme .custom-table tbody tr:hover {
    background-color: rgba(51, 65, 85, 0.4);
}

.dark-theme .modal-overlay {
    background-color: rgba(15, 23, 42, 0.8);
}

/* Pagination Styling */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-container nav {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.pagination-container nav a,
.pagination-container nav span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    background-color: var(--bg-secondary);
}

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

.pagination-container nav span.current {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination-container nav span.disabled {
    color: var(--text-secondary);
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-primary);
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumbs .separator {
    display: flex;
    align-items: center;
    color: var(--border);
}

.breadcrumbs .current {
    color: var(--text-primary);
    font-weight: 500;
}