@import url('../assets/style.css');

:root {
    --bg-main: var(--bg);
    --bg-card: var(--input-bg);
    --bg-card-hover: var(--row-hover);
    --border-color: var(--border);
    --border-hover: var(--border);
    
    --text-primary: var(--text);
    --text-secondary: var(--muted);
    --text-muted: var(--muted);
    
    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
}

body {
    background-color: var(--bg);
    color: var(--text);
}

/* Container & Top Navigation */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.admin-top-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
}

.top-nav-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.top-nav-btn:hover {
    background: var(--row-hover);
    color: var(--text);
}

.top-nav-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Subheading Banner */
.admin-subheading-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

/* Main Area Reset */
.admin-main {
    width: 100%;
}

/* User Badge */
.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--input-bg);
    padding: 4px 12px 4px 6px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

/* Overview Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon-blue { background: rgba(37, 99, 235, 0.1); color: var(--accent); }
.stat-icon-green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.stat-icon-purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.stat-icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }

.stat-info .stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.2;
}

.stat-info .stat-label {
    font-size: 0.8rem;
    color: var(--muted);
    font-weight: 500;
}

/* Action Bar */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.search-filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    max-width: 600px;
}

.search-input-wrap {
    position: relative;
    flex: 1;
}

.search-input-wrap input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.55rem 1rem 0.55rem 2.4rem;
    color: var(--text);
    font-size: 0.85rem;
    outline: none;
    transition: all 0.2s;
}

.search-input-wrap input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    stroke: var(--muted);
}

.filter-select {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.55rem 1rem;
    color: var(--text);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    font-weight: 600;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 20px;
    padding: 0.55rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.55rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--row-hover);
    border-color: var(--accent);
    color: var(--accent);
}

/* Data Table */
.table-card {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-soft);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.data-table th {
    background: rgba(37, 99, 235, 0.03);
    padding: 0.85rem 1.25rem;
    color: var(--accent);
    font-weight: 800;
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.data-table td {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.2s;
}

.data-table tbody tr:hover {
    background: var(--row-hover);
}

.level-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 800;
}

.level-A1 { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.level-A2 { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.level-B1 { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.level-B2 { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.level-C1 { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.level-C2 { background: rgba(236, 72, 153, 0.15); color: #ec4899; }

.tag-pill {
    display: inline-block;
    background: var(--border);
    color: var(--muted);
    padding: 2px 6px;
    border-radius: 12px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-right: 4px;
    margin-bottom: 4px;
}

.actions-cell {
    display: flex;
    gap: 6px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    transition: all 0.2s;
}

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

.icon-btn-danger:hover {
    color: var(--accent-red);
    background: rgba(239, 68, 68, 0.15);
}

/* Pagination */
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    gap: 6px;
}

.page-btn {
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 12px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    background: var(--row-hover);
    border-color: var(--accent);
    color: var(--accent);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    padding: 1.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.form-group input, .form-group select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.85rem;
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--accent);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* Access Denied Card */
.denied-screen {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--input-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    max-width: 480px;
    margin: 4rem auto;
}

.denied-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}