/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ==================== HEADER ==================== */
.header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
    font-size: 1.1em;
    opacity: 0.9;
}

/* ==================== DASHBOARD CARDS ==================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    animation: fadeInUp 0.6s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 3em;
    margin-bottom: 15px;
    display: block;
}

.card h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: #764ba2;
}

.card p {
    color: #666;
    font-size: 0.95em;
    line-height: 1.5;
}

/* ==================== FORMS ==================== */
.form-container {
    background: white;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease;
}

.form-title {
    font-size: 1.8em;
    color: #764ba2;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #667eea;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    font-size: 0.95em;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.btn-block {
    width: 100%;
    margin-top: 10px;
}

/* ==================== TABLES ==================== */
.table-container {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow-x: auto;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.data-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #f0f0f0;
}

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

.data-table tbody tr:hover {
    background: #f8f9ff;
}

/* ==================== ACTION BUTTONS ==================== */
.btn-edit {
    background: #3b82f6;
    color: white;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    margin-right: 5px;
}

.btn-edit:hover {
    background: #2563eb;
}

.btn-delete {
    background: #ef4444;
    color: white;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
}

.btn-delete:hover {
    background: #dc2626;
}

.action-cell {
    white-space: nowrap;
}


/* ==================== NOTIFICATIONS ==================== */
.notification {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    animation: slideInRight 0.4s ease;
    display: none;
}

.notification.show {
    display: block;
}

.notification.success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.notification.error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

/* ==================== BACK BUTTON ==================== */
.back-link {
    display: inline-flex;
    align-items: center;
    color: white;
    text-decoration: none;
    font-size: 1em;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.back-link:hover {
    transform: translateX(-5px);
}

.back-link::before {
    content: "← ";
    margin-right: 5px;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2em;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ==================== UTILITY CLASSES ==================== */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* ==================== FILTER TOOLBAR ==================== */
.filter-card {
    background: white;
    border-radius: 16px;
    padding: 20px 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 25px;
    animation: fadeInUp 0.5s ease;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-header h3 {
    font-size: 1.25em;
    color: #764ba2;
    margin: 0;
}

.filter-badge {
    background: #e0e7ff;
    color: #4338ca;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.filter-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 170px;
}

.filter-group label {
    display: block;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 6px;
    color: #444;
}

.filter-group input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.95em;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.filter-group input:focus {
    outline: none;
    border-color: #667eea;
}

.filter-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9em;
}

.live-search-row {
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px dashed #e2e8f0;
}

.live-search-row input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.95em;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.live-search-row input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

/* ==================== MODAL DIALOG ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
    padding: 15px;
    box-sizing: border-box;
}

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

.modal-box {
    background: white;
    border-radius: 16px;
    padding: 30px;
    width: 100%;
    max-width: 520px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    animation: fadeInUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
    box-sizing: border-box;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #667eea;
}

.modal-header h2 {
    font-size: 1.4em;
    color: #764ba2;
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    color: #888;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close-btn:hover {
    color: #ef4444;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.modal-actions .btn {
    flex: 1;
    text-align: center;
}