/**
 * Estilos Principales - Sistema de Cotizaciones
 * Diseño Responsive para Desktop, Tablet y Móvil
 */

/* Variables CSS */
:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #3385d6;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --border-color: #dee2e6;
    --text-color: #333;
    --text-muted: #6c757d;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-hover: 0 12px 32px rgba(0,102,204,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    --gradient-success: linear-gradient(135deg, #28a745 0%, #218838 100%);
    --gradient-danger: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.5s ease-in;
}

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

/* ===== NAVBAR ===== */
.navbar {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    backdrop-filter: blur(10px);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.5rem;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    list-style: none;
}

.navbar-item {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.navbar-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transition: left 0.3s ease;
}

.navbar-item:hover::before {
    left: 0;
}

.navbar-item:hover {
    background-color: rgba(255,255,255,0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle:hover {
    background-color: rgba(255,255,255,0.15);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    animation: fadeInDown 0.3s ease-out;
    transform-origin: top right;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown:hover .dropdown-menu,
.dropdown-menu[style*="block"] {
    display: block !important;
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.dropdown-item:hover::before {
    transform: scaleY(1);
}

.dropdown-item:hover {
    background: linear-gradient(90deg, rgba(0,102,204,0.1) 0%, transparent 100%);
    color: var(--primary-color);
    padding-left: 1.75rem;
    transform: translateX(5px);
}

.dropdown-header {
    padding: 0.75rem 1.5rem;
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-header strong {
    display: block;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.dropdown-header small {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.logout-item {
    color: var(--danger-color) !important;
}

.logout-item:hover {
    background: linear-gradient(90deg, rgba(220,53,69,0.1) 0%, transparent 100%) !important;
    color: var(--danger-color) !important;
}

.user-name {
    margin: 0 0.5rem;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* ===== PAGE CONTAINER ===== */
.page-container {
    width: 100%;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin: 0;
}

/* ===== CARDS ===== */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-header {
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover .card-header::after {
    transform: scaleX(1);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-color);
}

.card-body {
    padding: 1.5rem;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group.col-md-2 { flex: 0 0 calc(16.666% - 0.83rem); }
.form-group.col-md-3 { flex: 0 0 calc(25% - 0.75rem); }
.form-group.col-md-4 { flex: 0 0 calc(33.333% - 0.67rem); }
.form-group.col-md-6 { flex: 0 0 calc(50% - 0.5rem); }
.form-group.col-md-12 { flex: 0 0 100%; }

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.required {
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.form-control::placeholder {
    color: #adb5bd;
    opacity: 0.7;
}

.form-control:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1), 0 6px 20px rgba(0, 102, 204, 0.15);
    transform: translateY(-2px);
    background: #fafbff;
}

.form-control:focus::placeholder {
    opacity: 0.5;
    transform: translateX(5px);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    color: white;
    border: none;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268 0%, #4e555b 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108,117,125,0.3);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1e7e34 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40,167,69,0.3);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    border: none;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220,53,69,0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    color: var(--text-color);
    border: none;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e0a800 0%, #d39e00 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,193,7,0.3);
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
    border: none;
}

.btn-info:hover {
    background: linear-gradient(135deg, #138496 0%, #117a8b 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23,162,184,0.3);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    display: block;
}

.login-form .btn-block {
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 12px;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.login-form .btn-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.login-form .btn-block:hover::before {
    left: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ===== TABLES ===== */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead {
    background-color: var(--light-bg);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-color);
}

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

.table tbody tr:hover {
    background: linear-gradient(90deg, #f8f9fa 0%, #e9ecef 100%);
    transform: translateX(5px);
    box-shadow: -4px 0 0 var(--primary-color);
}

.table tfoot {
    font-weight: 600;
}

.total-row {
    background-color: #e9ecef;
    font-size: 1.125rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 20px;
    transition: var(--transition-fast);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.badge:hover {
    transform: scale(1.1);
}

.badge-borrador { background-color: #6c757d; color: white; }
.badge-enviada { background-color: #17a2b8; color: white; }
.badge-aceptada { background-color: #28a745; color: white; }
.badge-rechazada { background-color: #dc3545; color: white; }
.badge-vencida { background-color: #ffc107; color: #333; }

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    animation: slideInRight 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,102,204,0.1), transparent);
    transition: left 0.5s ease;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.2) rotate(5deg);
}

.stat-icon {
    font-size: 3rem;
}

.stat-info h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--primary-color);
}

.stat-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== MODULES GRID ===== */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.module-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text-color);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out backwards;
}

.module-card:nth-child(1) { animation-delay: 0.1s; }
.module-card:nth-child(2) { animation-delay: 0.2s; }
.module-card:nth-child(3) { animation-delay: 0.3s; }
.module-card:nth-child(4) { animation-delay: 0.4s; }

.module-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,102,204,0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.module-card:hover::after {
    width: 300px;
    height: 300px;
}

.module-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
}

.module-card .module-icon {
    transition: var(--transition);
}

.module-card:hover .module-icon {
    transform: scale(1.3) rotate(10deg);
}

.module-icon {
    font-size: 3rem;
}

.module-card h3 {
    margin: 0;
    font-size: 1.25rem;
}

.module-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(50px, 50px);
    }
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.login-box {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out, float 3s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
}

.login-form {
    margin-bottom: 1.5rem;
}

.login-form .form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

.login-form .form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    padding-left: 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    background: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
}

.login-form .form-group::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 2.5rem;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: var(--transition-fast);
    z-index: 2;
}

.login-form .form-group:nth-of-type(1)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236c757d'%3E%3Cpath d='M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z'/%3E%3C/svg%3E");
}

.login-form .form-group:nth-of-type(2)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236c757d'%3E%3Cpath d='M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z'/%3E%3C/svg%3E");
}

.login-form .form-control:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.12);
    transform: translateY(-1px);
}

.login-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1), 0 8px 24px rgba(0, 102, 204, 0.15);
    transform: translateY(-2px);
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9ff 100%);
    padding-left: 3.25rem;
}

.login-form .form-group:focus-within label {
    color: var(--primary-color);
    transform: translateX(5px);
}

.login-form .form-group:focus-within::before {
    filter: brightness(0) saturate(100%) invert(35%) sepia(97%) saturate(2157%) hue-rotate(199deg) brightness(95%) contrast(101%);
    transform: scale(1.1);
}

.login-form .form-control:focus::placeholder {
    opacity: 0;
    transform: translateX(-10px);
}

/* Animación de entrada para los campos */
.login-form .form-group {
    animation: fadeInUp 0.6s ease-out backwards;
}

.login-form .form-group:nth-of-type(1) {
    animation-delay: 0.2s;
}

.login-form .form-group:nth-of-type(2) {
    animation-delay: 0.3s;
}

.login-form .btn {
    animation: fadeInUp 0.6s ease-out backwards;
    animation-delay: 0.4s;
}

/* ===== DASHBOARD ===== */
.dashboard {
    width: 100%;
}

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

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-item label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.info-item span {
    color: var(--text-color);
}

/* ===== FORM ACTIONS ===== */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ===== LOGO PREVIEW ===== */
.logo-preview {
    margin-bottom: 1rem;
    text-align: center;
}

.logo-preview img {
    border: 1px solid var(--border-color);
    padding: 1rem;
    background: white;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet */
@media (max-width: 992px) {
    .main-content {
        padding: 1.5rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .form-group.col-md-2,
    .form-group.col-md-3,
    .form-group.col-md-4,
    .form-group.col-md-6 {
        flex: 0 0 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        flex-direction: column;
        width: 100%;
        display: none;
        margin-top: 1rem;
        gap: 0;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-item {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .dropdown-menu {
        position: static;
        display: block;
        width: 100%;
        margin-top: 0;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
    }

    .dropdown-item {
        color: white;
        padding: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

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

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

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

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

    .form-row {
        flex-direction: column;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        width: 100%;
    }

    .table {
        font-size: 0.875rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }

    .login-box {
        padding: 1.5rem;
    }

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

    .col-md-8,
    .col-md-4 {
        width: 100%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.25rem;
    }

    .stat-icon {
        font-size: 2rem;
    }

    .stat-info h3 {
        font-size: 1.5rem;
    }

    .module-icon {
        font-size: 2rem;
    }

    .card-body {
        padding: 1rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* Efecto de onda en inputs */
@keyframes inputWave {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 102, 204, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0);
    }
}

.login-form .form-control:focus {
    animation: inputWave 1.5s ease-out;
}

/* Efecto de brillo en el botón de login */
.login-form .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-form .btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-form .btn-primary:hover::after {
    width: 400px;
    height: 400px;
}

.login-form .btn-primary span {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
}

.login-form .btn-primary i {
    transition: transform 0.3s ease;
}

.login-form .btn-primary:hover i {
    transform: translateX(5px);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .page-header .btn-group {
        display: none;
    }

    .main-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}