/* web/assets/css/style.css - Professional Admin Panel Design */

:root {
    /* Modern Color Palette */
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Neutral Colors */
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --text-color: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;

    /* Layout */
    --sidebar-width: 240px;
    --header-height: 56px;

    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: var(--text-color);
    line-height: 1.5;
    font-size: 13px;
    height: 100vh;
    overflow: hidden;
}

/* ============ AUTH PAGES ============ */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.auth-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 380px;
    backdrop-filter: blur(10px);
}

.auth-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

/* ============ DASHBOARD LAYOUT ============ */
.layout-wrapper {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header svg {
    flex-shrink: 0;
}

.sidebar-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 0.25rem;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.875rem;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: white;
    transform: translateX(3px);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
}

.nav-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.top-header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 20;
}

.top-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.top-header .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.top-header .user-info span {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.top-header .user-info a {
    color: var(--danger-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8125rem;
    transition: var(--transition);
}

.top-header .user-info a:hover {
    color: #dc2626;
}

.page-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    background: var(--bg-color);
}

.page-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

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

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.data-table th {
    padding: 0.75rem 1.25rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-color);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

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

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

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

/* Action Buttons */
.actions-cell {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    transform: scale(1.1);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.25rem;
    padding: 0 1.5rem;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-color);
    background: #f8fafc;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 50;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 700px;
    height: 80vh;
    max-height: 650px;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease-out;
}

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

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

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, white 100%);
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.modal-close {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: #f1f5f9;
    color: var(--text-color);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1.5rem;
    min-height: 0;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.625rem;
    justify-content: flex-end;
    background: #f8fafc;
    flex-shrink: 0;
}

.tab-content,
.u-tab-content {
    display: none;
}

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

.text-small {
    font-size: 0.875rem;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}