:root {
    --sidebar-width: 250px;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --sidebar-active: #0ea5e9;
    --topbar-height: 60px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f1f5f9;
    overflow-x: hidden;
}

.login-page {
    background: linear-gradient(135deg, #1e293b 0%, #0ea5e9 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: white;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--sidebar-hover);
}

.sidebar .nav-link {
    color: #94a3b8;
    padding: 12px 20px;
    border-radius: 0;
    transition: all 0.2s;
    font-size: 14px;
}

.sidebar .nav-link:hover {
    color: white;
    background: var(--sidebar-hover);
}

.sidebar .nav-link.active {
    color: white;
    background: var(--sidebar-active);
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

.sidebar .collapse .nav-link {
    padding-left: 44px;
    font-size: 13px;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s;
}

.navbar {
    padding: 12px 24px;
}

.card {
    border: none;
    border-radius: 12px;
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
    border-bottom: 1px solid #e2e8f0;
    padding: 15px 20px;
}

.table th {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn {
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 14px;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 14px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--sidebar-active);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.badge {
    font-size: 12px;
    padding: 5px 10px;
    border-radius: 6px;
}

.modal-content {
    border: none;
    border-radius: 12px;
}

.modal-header {
    border-radius: 12px 12px 0 0;
}

.dataTables_wrapper {
    padding: 15px;
}

.dataTables_filter input {
    border-radius: 8px !important;
    border: 1px solid #cbd5e1 !important;
    padding: 6px 12px !important;
}

.dataTables_filter input:focus {
    border-color: var(--sidebar-active) !important;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15) !important;
}

.select2-container--bootstrap-5 .select2-selection {
    border-radius: 8px !important;
    border: 1px solid #cbd5e1 !important;
    min-height: 42px;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-lg {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #e2e8f0;
}

.foto-preview {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    border: 2px dashed #cbd5e1;
    padding: 5px;
}

.alert {
    border-radius: 10px;
    border: none;
}

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

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 3px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

.navbar-brand {
    font-weight: 600;
}

.empresa-logo {
    max-height: 60px;
}

@media print {
    .sidebar, .navbar, .btn, .dataTables_filter, .dataTables_length, .dataTables_info, .dataTables_paginate {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}