/* Variables CSS para colores principales */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1e293b;
    --bg-sidebar: #0f172a;
    --bg-card: #ffffff;
    --bg-hover: #f8fafc;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --text-muted: #6b7280;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #3b82f6;
    
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-slower: 0.5s ease;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

*,
*::before,
*::after {
    box-sizing: inherit;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal);
}

/* Mejoras de accesibilidad */
:focus {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* Estilos del Login */
.login-body {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
}

.login-container {
    width: 100%;
    max-width: 420px;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.login-card:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.login-header {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-xl);
    background: transparent;
}

.logo-container {
    margin-bottom: var(--spacing-lg);
}

.logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.02);
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
}

.login-form {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.form-group label {
    display: flex;
    align-items: center;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    letter-spacing: 0;
}

.form-group label i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
    width: 16px;
    text-align: center;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    background-color: var(--bg-primary);
    transition: all var(--transition-normal);
    color: var(--text-primary);
    box-sizing: border-box;
    margin: 0;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:hover {
    border-color: var(--primary-light);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group:focus-within label {
    color: var(--primary-color);
}

.form-group:focus-within label i {
    color: var(--primary-color);
}

.password-input {
    position: relative;
    width: 100%;
}

.password-input input {
    width: 100%;
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
    z-index: 1;
}

.toggle-password:hover {
    color: var(--primary-color);
}

/* Estilos del CAPTCHA */
.captcha-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    box-sizing: border-box;
}

.captcha-image {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
}

.btn-refresh-captcha {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
}

.btn-refresh-captcha:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.btn-refresh-captcha i {
    font-size: 0.875rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    line-height: 1;
    user-select: none;
    white-space: nowrap;
    width: 100%;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-login {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    border-radius: var(--radius-lg);
    box-sizing: border-box;
    align-self: stretch;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: inset 0 0 0 0 var(--primary-color);
    transition: all var(--transition-normal), box-shadow var(--transition-slow);
}

.btn-outline:hover {
    color: var(--text-white);
    box-shadow: inset 0 0 0 100px var(--primary-color);
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
    border-radius: var(--radius-md);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 1px solid #fca5a5;
    color: #991b1b;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
    animation: slideInDown 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.alert-error::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--danger-color);
    border-radius: 2px 0 0 2px;
}

.alert-error i {
    color: var(--danger-color);
    margin-right: 0.75rem;
    font-size: 1.1rem;
    animation: pulse 2s infinite;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.alert ul {
    list-style: none;
    margin: 0;
}

.alert li {
    margin-bottom: 0.25rem;
}

.login-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: transparent;
    border-top: 1px solid var(--border-light);
}

.demo-credentials h4 {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.credentials-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.credential-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-hover);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    transition: all var(--transition-normal);
}

.credential-item:hover {
    background-color: var(--bg-secondary);
}

.credential-item strong {
    color: var(--text-primary);
}

.credential-item span {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

/* Estilos del Dashboard */
.dashboard-body {
    background-color: var(--bg-secondary);
    margin: 0;
    padding: 0;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, #0c1426 100%);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-slow);
    position: fixed;
    height: 100vh;
    z-index: 1000;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
}

.logo-sidebar {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-normal);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.logo-sidebar:hover {
    transform: scale(1.1) rotate(5deg);
}

.sidebar-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    position: relative;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-normal);
    border-left: 3px solid transparent;
    position: relative;
    font-weight: 500;
    letter-spacing: -0.01em;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin-right: var(--spacing-md);
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.2), rgba(59, 130, 246, 0.1));
    transition: width var(--transition-slow);
    z-index: -1;
}

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

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border-left-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.nav-item.active .nav-link {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.1));
    color: var(--text-white);
    border-left-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Dropdown Navigation */
.nav-dropdown-item {
    position: relative;
}

.nav-dropdown-toggle {
    justify-content: space-between;
}

.nav-dropdown-arrow {
    transition: transform var(--transition-normal);
    font-size: 0.75rem;
    margin-left: auto;
}

.nav-dropdown-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.nav-dropdown-item.open .nav-dropdown-menu {
    max-height: 200px;
    padding: var(--spacing-xs) 0;
}

.nav-dropdown-item-child {
    margin: 0;
}

.nav-dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) calc(var(--spacing-xl) + var(--spacing-lg));
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-weight: 400;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    position: relative;
}

.nav-dropdown-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.15), rgba(59, 130, 246, 0.05));
    transition: width var(--transition-slow);
    z-index: -1;
}

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

.nav-dropdown-link:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.9);
    border-left-color: rgba(37, 99, 235, 0.5);
    transform: translateX(2px);
}

.nav-dropdown-item-child.active .nav-dropdown-link {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.2), rgba(59, 130, 246, 0.05));
    color: var(--text-white);
    border-left-color: var(--primary-color);
    transform: translateX(2px);
    font-weight: 500;
}

.nav-dropdown-link i {
    font-size: 0.85rem;
    width: 16px;
    text-align: center;
}

.nav-item.active .nav-link::before {
    width: 100%;
}

.nav-link i {
    width: 20px;
    text-align: center;
    transition: transform var(--transition-normal);
    font-size: 1.1rem;
}

.nav-link:hover i {
    transform: scale(1.1);
}

.nav-item.active .nav-link i {
    color: var(--primary-light);
    transform: scale(1.1);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.footer-logo {
    max-width: 120px;
    height: auto;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.footer-logo:hover {
    opacity: 1;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.user-avatar {
    font-size: 2rem;
    color: var(--primary-color);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.username {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-white);
}

.user-role {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.logout-btn {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.logout-btn:hover {
    color: var(--danger-color);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.content-header {
    background-color: var(--bg-primary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.sidebar-toggle:hover {
    background-color: var(--bg-secondary);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.user-menu-toggle:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .user-dropdown {
        right: -1rem;
        min-width: 180px;
        margin-top: 0.25rem;
    }
    
    .footer-logo {
        max-width: 100px;
    }
    
    .sidebar-footer {
        padding: 0.75rem 1rem;
    }
    
    /* Dropdown responsivo */
    .nav-dropdown-link {
        padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) calc(var(--spacing-lg) + var(--spacing-md));
        font-size: 0.85rem;
    }
    
    .nav-dropdown-arrow {
        font-size: 0.7rem;
    }
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.dropdown-header strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.dropdown-header small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-light);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-item.logout-item {
    color: var(--danger-color);
    border-top: 1px solid var(--border-light);
    margin-top: 0.25rem;
}

.dropdown-item.logout-item:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.content-body {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-focus);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-hover) 100%);
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--bg-hover);
    border-top: 1px solid var(--border-light);
}
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-body {
    padding: 1.5rem;
}

/* Dashboard específico */
.dashboard-welcome {
    max-width: 1200px;
    margin: 0 auto;
}

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

.welcome-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.welcome-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

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

.stat-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.stat-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    line-height: 1;
}

.stat-content small {
    color: var(--text-light);
    font-size: 0.75rem;
}

.content-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.content-col-8 {
    grid-column: 1;
}

.content-col-4 {
    grid-column: 2;
}

.content-col-12 {
    grid-column: 1 / -1;
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--text-white);
    flex-shrink: 0;
}

.activity-icon.success {
    background-color: var(--success-color);
}

.activity-icon.warning {
    background-color: var(--warning-color);
}

.activity-icon.info {
    background-color: var(--info-color);
}

.activity-content p {
    margin: 0 0 0.25rem 0;
    font-weight: 500;
    color: var(--text-primary);
}

.activity-content small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    font-size: 3rem;
    color: var(--primary-color);
}

.profile-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.profile-email {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.profile-role {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.role-administrador {
    background-color: #fef3c7;
    color: #92400e;
}

.role-supervisor {
    background-color: #dbeafe;
    color: #1e40af;
}

.role-usuario {
    background-color: #d1fae5;
    color: #065f46;
}

.profile-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.profile-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.profile-stat:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    background-color: var(--bg-primary);
}

.quick-action:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action i {
    font-size: 1.5rem;
}

.quick-action span {
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

/* Quick Actions Grid */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.quick-action-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
    min-height: 160px;
    justify-content: center;
}

.quick-action-large:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--bg-primary) 0%, #f0f9ff 100%);
}

.quick-action-large i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.quick-action-large:hover i {
    transform: scale(1.1);
}

.quick-action-large span {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.quick-action-large small {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.table-responsive:hover {
    box-shadow: var(--shadow-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.table th {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-hover) 100%);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    border-bottom: 2px solid var(--border-color);
}

.table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.table th:hover::after {
    transform: scaleX(1);
}

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

.table tbody tr:hover {
    background-color: var(--bg-hover);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table tbody tr:hover td {
    color: var(--text-primary);
}

.user-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar-small {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-2xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.badge:hover::before {
    left: 100%;
}

.badge:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.badge-administrador {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    border: 1px solid rgba(146, 64, 14, 0.2);
}

.badge-supervisor {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    border: 1px solid rgba(30, 64, 175, 0.2);
}

.badge-usuario {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border: 1px solid rgba(6, 95, 70, 0.2);
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-secondary {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-hover));
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge.active {
    color: var(--success-color);
}

.status-badge.inactive {
    color: var(--text-light);
}

.status-badge i {
    font-size: 0.5rem;
}

.action-buttons {
    display: flex;
    gap: 0.25rem;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-light);
}

.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Search Box */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    color: var(--text-light);
    z-index: 1;
}

.search-box input {
    padding: 0.5rem 0.75rem 0.5rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background-color: var(--bg-primary);
    min-width: 200px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.header-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Access Denied */
.access-denied {
    text-align: center;
    padding: 3rem 2rem;
}

.access-denied i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.access-denied h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.access-denied p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Configuration Styles */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.config-section {
    display: flex;
    flex-direction: column;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background-color: var(--bg-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.security-settings,
.notification-settings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
}

.setting-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.setting-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

.setting-control {
    min-width: 120px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.db-status,
.system-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.status-item,
.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

.status-item:last-child,
.info-item:last-child {
    border-bottom: none;
}

.status-label,
.info-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.status-value,
.info-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 600;
}

.status-value.success {
    color: var(--success-color);
}

.status-value i {
    margin-right: 0.25rem;
}

.db-actions,
.maintenance-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.action-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    flex: 1;
    min-width: 250px;
}

.action-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.action-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Responsive Design */
/* Tablets y dispositivos medianos */
@media (max-width: 1024px) {
    .content-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .content-col-8,
    .content-col-4 {
        grid-column: 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .config-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .quick-actions-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Dispositivos móviles */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .dashboard-container.sidebar-collapsed .sidebar {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    /* Overlay para cerrar sidebar en móvil */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }
    
    .content-row {
        grid-template-columns: 1fr;
    }
    
    .content-col-8,
    .content-col-4 {
        grid-column: 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .card-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box input {
        min-width: 150px;
    }
    
    .action-item {
        min-width: 100%;
    }
    
    .db-actions {
        flex-direction: column;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .content-body {
        padding: 1rem;
    }
    
    .login-form {
        padding: 1.5rem;
    }
    
    .credentials-grid {
        gap: 0.5rem;
    }
    
    .credential-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.75rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    /* Mejoras para pantallas muy pequeñas */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
    
    .notifications-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

/* Dispositivos muy pequeños */
@media (max-width: 320px) {
    .sidebar {
        width: 100%;
        left: -100%;
    }
    
    .card {
        padding: 0.75rem;
    }
    
    .stat-card {
        padding: 0.75rem;
    }
    
    .table-responsive {
        font-size: 0.7rem;
    }
    
    .form-control {
        font-size: 16px; /* Evita zoom en iOS */
    }
}

/* Orientación landscape en móviles */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar {
        width: 200px;
        left: -200px;
    }
    
    .main-content {
        padding: 0.5rem;
    }
    
    .header {
        padding: 0.5rem 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.stat-card {
    animation: fadeIn 0.3s ease-out;
}

/* Notificaciones */
.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
}

.notification {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-success {
    border-left-color: var(--success-color);
}

.notification-error {
    border-left-color: var(--danger-color);
}

.notification-warning {
    border-left-color: var(--warning-color);
}

.notification-info {
    border-left-color: var(--info-color);
}

.notification-message {
    flex: 1;
    margin-right: 10px;
    color: var(--text-primary);
}

.notification-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-close:hover {
    color: var(--text-primary);
}

/* Tooltips */
.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 9999;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
}

/* Modales */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) ease;
    padding: var(--spacing-lg);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.7);
    transition: transform var(--transition-normal) ease;
    border: 1px solid var(--border-color);
    position: relative;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-hover) 100%);
}

.modal-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.modal-close::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-hover), var(--bg-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-close:hover::before {
    opacity: 1;
}

.modal-close:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.modal-close span {
    position: relative;
    z-index: 1;
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

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

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-hover);
    border-radius: var(--radius-lg);
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    background-color: var(--bg-hover);
}

body.modal-open {
    overflow: hidden;
}

/* Tablas mejoradas */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.data-table th {
    background: var(--primary-color);
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.data-table th[data-sort]:hover {
    background: var(--primary-dark);
}

.data-table th.asc::after {
    content: '↑';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
}

.data-table th.desc::after {
    content: '↓';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table tr:hover {
    background: var(--bg-secondary);
}

.table-search {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 14px;
}

.table-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Sidebar colapsado */
.sidebar.collapsed {
    width: 60px;
}

.sidebar.collapsed .nav-text {
    display: none;
}

.sidebar.collapsed .logo-text {
    display: none;
}

.sidebar.collapsed .company-logo {
    padding: 0.5rem 0;
}

.sidebar.collapsed .footer-logo {
    max-width: 40px;
}

.main-content.expanded {
    margin-left: 60px;
}

/* Estados de carga */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Utilidades */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.align-items-center {
    align-items: center !important;
}

.gap-1 {
    gap: 0.25rem !important;
}

.gap-2 {
    gap: 0.5rem !important;
}

.gap-3 {
    gap: 1rem !important;
}

.mt-1 {
    margin-top: 0.25rem !important;
}

.mt-2 {
    margin-top: 0.5rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mb-1 {
    margin-bottom: 0.25rem !important;
}

.mb-2 {
    margin-bottom: 0.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.p-1 {
    padding: 0.25rem !important;
}

.p-2 {
    padding: 0.5rem !important;
}

.p-3 {
    padding: 1rem !important;
}

.w-100 {
    width: 100% !important;
}

.h-100 {
    height: 100% !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

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

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--bg-secondary) !important;
}

.border-0 {
    border: none !important;
}

.rounded {
    border-radius: var(--radius-md) !important;
}

.shadow {
    box-shadow: var(--shadow-md) !important;
}

.overflow-hidden {
    overflow: hidden !important;
}

.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.z-index-1000 {
    z-index: 1000 !important;
}

.cursor-pointer {
    cursor: pointer !important;
}

.user-select-none {
    user-select: none !important;
}

.text-center {
    text-align: center !important;
}

.text-right {
    text-align: right !important;
}

.text-left {
    text-align: left !important;
}