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

:root {
    /* Premium Palette */
    --primary: #6366f1;
    /* Indigo 500 */
    --primary-dark: #4f46e5;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Backgrounds */
    --bg-body: #f3f4f6;
    /* Cool gray 100 */
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    /* Slate 800 */

    /* Text */
    --text-main: #111827;
    --text-muted: #6b7280;
    --text-light: #f9fafb;

    /* Borders & Shadows */
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Spacing */
    --radius: 0.5rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    z-index: 10;
}

.sidebar-brand {
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand i {
    color: var(--primary);
}

.sidebar-nav {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    flex: 1;
}

.sidebar-nav li a {
    padding: 0.875rem 1.5rem;
    display: flex;
    align-items: center;
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.05);
    border-left-color: var(--primary);
}

.sidebar-nav i {
    width: 24px;
    margin-right: 12px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-body);
}

.topbar {
    background: var(--bg-card);
    height: 64px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    z-index: 9;
}

.content-wrapper {
    padding: 2rem;
    overflow-y: auto;
    height: 100%;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    font-size: 0.95rem;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.4);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    vertical-align: middle;
}

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

/* Forms */
.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Split Layout (Sidebar + Content) */
.split-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 992px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

/* Modern List Group */
.modern-list-group {
    list-style: none;
    padding: 0;
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.modern-list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: var(--text-main);
    background: white;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border);
}

.modern-list-group-item:last-child {
    border-bottom: none;
}

.modern-list-group-item:hover {
    background: #f8fafc;
    padding-left: 1.5rem;
    color: var(--primary);
}

.modern-list-group-item.active {
    background: var(--primary);
    color: white;
    border-left: 4px solid var(--primary-dark);
}

.modern-list-group-item.active i {
    opacity: 1;
}

/* Status Badges Professional */
.badge {
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

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

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

.badge-info {
    background: #e0f2fe;
    color: #075985;
}

/* Custom Inputs */
.search-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input {
    padding-left: 2.75rem !important;
}

/* Import Box Gradient */
.import-box {
    background: linear-gradient(to bottom right, #ffffff, #f8fafc);
    border: 2px dashed var(--border);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
}

.import-box:hover {
    border-color: var(--primary);
    background: #f0f7ff;
}