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

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

body {
    font-family: var(--font-primary, 'Inter', system-ui, sans-serif);
    background: var(--background-color, #0f172a);
    color: var(--text-color, #f1f5f9);
    line-height: 1.6;
    font-size: var(--font-size-base, 16px);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary, 'Poppins', sans-serif);
    font-weight: 700;
    line-height: 1.2;
}

/* Sistema de contenedores mejorado */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header moderno con glassmorphism */
.header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color, #334155);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary, #94a3b8);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* Botones modernos con efectos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: var(--border-radius, 12px);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-success {
    background: var(--success-color, #10b981);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: var(--danger-color, #ef4444);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

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

/* Hero section mejorado con gradiente animado */
.hero {
    background: linear-gradient(135deg, var(--gradient-start, #3b82f6), var(--gradient-end, #8b5cf6));
    position: relative;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.85);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.6s both;
}

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

/* Features section con cards modernas */
.features {
    padding: 6rem 0;
    background: var(--background-color);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    color: var(--text-color);
    font-weight: 800;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface-color, #1e293b);
    padding: 2.5rem;
    border-radius: var(--border-radius, 12px);
    border: 1px solid var(--border-color, #334155);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* CTA Section mejorado */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    position: relative;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Dashboard mejorado */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--background-color);
}

.sidebar {
    width: 280px;
    background: var(--surface-color, #1e293b);
    border-right: 1px solid var(--border-color, #334155);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.sidebar-logo {
    height: 50px;
    margin-bottom: 1rem;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 700;
}

.sidebar-nav {
    padding: 1.5rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--primary-color);
    transition: height 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.nav-item:hover::before,
.nav-item.active::before {
    height: 60%;
}

.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 2.5rem;
    background: var(--background-color);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.content-header h1 {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 800;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

/* Stats cards mejoradas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

/* Section cards mejoradas */
.section-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.section-card h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.75rem;
    font-weight: 700;
}

/* Formularios mejorados */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--background-color);
    color: var(--text-color);
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Color picker mejorado */
.color-input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.color-input-group input[type="color"] {
    width: 80px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
}

.color-preview {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    display: inline-block;
    vertical-align: middle;
}

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

.data-table th,
.data-table td {
    padding: 1.25rem;
    text-align: left;
}

.data-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table th:first-child {
    border-top-left-radius: var(--border-radius);
}

.data-table th:last-child {
    border-top-right-radius: var(--border-radius);
}

.data-table tr {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

/* Badges mejorados */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.825rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color, #f59e0b);
    border: 1px solid var(--warning-color);
}

.badge-completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color, #10b981);
    border: 1px solid var(--success-color);
}

.badge-cancelled {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color, #ef4444);
    border: 1px solid var(--danger-color);
}

/* Alerts mejorados */
.alert {
    padding: 1.25rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--surface-color);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Auth forms mejorados */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.auth-card {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    border: 1px solid var(--border-color);
}

.auth-logo {
    display: block;
    margin: 0 auto 2rem;
    height: 70px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-size: 2rem;
    font-weight: 800;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: static;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
}