/* =============================================
   EVALUACION 3 - DISEÑO FUTURISTA
   Dark Mode + Glassmorphism + Neón Cian
   ============================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* =============================================
   CSS Variables (Design Tokens)
   ============================================= */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-glass: rgba(15, 23, 42, 0.6);
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.4);
    --accent-cyan-soft: rgba(6, 182, 212, 0.15);
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(6, 182, 212, 0.2);
    --border-glass: rgba(255, 255, 255, 0.08);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0891b2;
}

/* =============================================
   Animated Background
   ============================================= */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(236, 72, 153, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

.page-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 30px var(--accent-cyan-glow);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

/* =============================================
   Glassmorphism Card
   ============================================= */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.5;
}

.glass-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    transform: translateY(-2px);
}

/* =============================================
   Navbar
   ============================================= */
.navbar-futuristic {
    background: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1050;
}

.navbar-futuristic .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-cyan) !important;
    text-shadow: 0 0 15px var(--accent-cyan-glow);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-futuristic .nav-link {
    font-family: var(--font-body);
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.navbar-futuristic .nav-link:hover,
.navbar-futuristic .nav-link.active {
    color: var(--accent-cyan) !important;
    background: var(--accent-cyan-soft);
}

.navbar-futuristic .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 30px; height: 2px;
    background: var(--accent-cyan);
    border-radius: 1px;
    box-shadow: 0 0 8px var(--accent-cyan-glow);
}

.navbar-futuristic .navbar-toggler {
    border-color: var(--border-color);
    color: var(--accent-cyan);
}

.btn-logout {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444 !important;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.4rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.25);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
}

/* =============================================
   Buttons
   ============================================= */
.btn-neon {
    background: linear-gradient(135deg, var(--accent-cyan), #0891b2);
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(6, 182, 212, 0.5);
    color: #fff;
}

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

.btn-neon::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: 0.5s;
    opacity: 0;
}

.btn-neon:hover::after {
    opacity: 1;
    top: -100%; left: -100%;
}

.btn-outline-neon {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline-neon:hover {
    background: var(--accent-cyan-soft);
    color: var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.btn-danger-neon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger-neon:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(239, 68, 68, 0.4);
    color: #fff;
}

.btn-warning-neon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning-neon:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
    color: #fff;
}

.btn-success-neon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success-neon:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
    color: #fff;
}

/* =============================================
   Form Controls
   ============================================= */
.form-control-dark {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control-dark:focus {
    background: rgba(15, 23, 42, 0.95);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-soft), 0 0 15px var(--accent-cyan-glow);
    color: var(--text-primary);
    outline: none;
}

.form-control-dark::placeholder {
    color: var(--text-muted);
}

.form-select-dark {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2306b6d4' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    appearance: none;
}

.form-select-dark:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-soft), 0 0 15px var(--accent-cyan-glow);
    outline: none;
}

.form-label-glow {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.4rem;
}

/* Bootstrap Validation Override */
.was-validated .form-control-dark:valid,
.form-control-dark.is-valid {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.was-validated .form-control-dark:invalid,
.form-control-dark.is-invalid {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.invalid-feedback {
    color: var(--accent-red);
    font-size: 0.8rem;
}

.valid-feedback {
    color: var(--accent-green);
    font-size: 0.8rem;
}

/* =============================================
   Tables
   ============================================= */
.table-futuristic {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9rem;
}

.table-futuristic thead th {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table-futuristic tbody td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.table-futuristic tbody tr:hover {
    background: rgba(6, 182, 212, 0.05);
}

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

/* =============================================
   Login Page
   ============================================= */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 3rem;
}

.login-logo {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-cyan);
    text-shadow: 0 0 40px var(--accent-cyan-glow);
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: 4px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.login-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    margin: 1.5rem 0;
    opacity: 0.3;
}

/* =============================================
   Content Layout
   ============================================= */
.content-wrapper {
    position: relative;
    z-index: 1;
    padding: 2rem 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* =============================================
   Badge Styles
   ============================================= */
.badge-neon {
    background: var(--accent-cyan-soft);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15) !important;
    color: var(--accent-green) !important;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15) !important;
    color: var(--accent-red) !important;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15) !important;
    color: var(--accent-yellow) !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* =============================================
   Alert / Toast Messages
   ============================================= */
.alert-futuristic {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

.alert-futuristic.alert-success {
    border-left: 3px solid var(--accent-green);
}

.alert-futuristic.alert-danger {
    border-left: 3px solid var(--accent-red);
}

.alert-futuristic.alert-info {
    border-left: 3px solid var(--accent-cyan);
}

/* =============================================
   Modal Override
   ============================================= */
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.modal-header {
    border-bottom: 1px solid var(--border-glass);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    font-family: var(--font-heading);
    color: var(--accent-cyan);
    font-size: 1rem;
    letter-spacing: 1px;
}

.modal-header .btn-close {
    filter: invert(1);
    opacity: 0.5;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-glass);
    padding: 1rem 1.5rem;
}

/* =============================================
   Animations
   ============================================= */
@keyframes slideIn {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px var(--accent-cyan-glow); }
    50% { box-shadow: 0 0 20px var(--accent-cyan-glow); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.4s ease-out;
}

/* =============================================
   Search Bar
   ============================================= */
.search-bar {
    position: relative;
}

.search-bar input {
    padding-left: 2.5rem;
}

.search-bar .search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =============================================
   Checkbox - Toggle Switch
   ============================================= */
.form-check-input:checked {
    background-color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.form-check-input {
    background-color: var(--bg-primary);
    border-color: var(--border-glass);
}

.form-check-label {
    color: var(--text-secondary);
}

/* =============================================
   Stats Cards
   ============================================= */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-card .stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-shadow: 0 0 20px var(--accent-cyan-glow);
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state .empty-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* =============================================
   Loading Spinner
   ============================================= */
.spinner-neon {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-glass);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .page-title {
        font-size: 1.3rem;
    }

    .glass-card {
        padding: 1.25rem;
    }

    .table-futuristic {
        font-size: 0.8rem;
    }

    .table-futuristic thead th,
    .table-futuristic tbody td {
        padding: 0.6rem 0.5rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =============================================
   Utility Classes
   ============================================= */
.text-cyan { color: var(--accent-cyan) !important; }
.text-purple { color: var(--accent-purple) !important; }
.text-pink { color: var(--accent-pink) !important; }
.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }
.text-muted-custom { color: var(--text-muted) !important; }

.bg-glass { background: var(--bg-glass) !important; }
.border-cyan { border-color: var(--accent-cyan) !important; }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 1.5rem 0;
}