:root {
    /* Paleta de colores elegante y cálida inspirada en panadería */
    --color-primary: #4b270a;
    --color-primary-dark: #462309;
    --color-primary-light: #524132;
    --color-secondary: #662e06;
    --color-accent: #644b3d;
    
    --color-success: #2E7D32;
    --color-success-light: #4CAF50;
    --color-warning: #F57C00;
    --color-warning-light: #FF9800;
    --color-error: #C62828;
    --color-error-light: #EF5350;
    
    --color-bg: #FAF8F5;
    --color-surface: #FFFFFF;
    --color-surface-dark: #F5F1EC;
    --color-text: #2C2416;
    --color-text-light: #6B5D4F;
    --color-border: #E0D5CC;
    
    --shadow-sm: 0 2px 4px rgba(139, 69, 19, 0.08);
    --shadow-md: 0 4px 12px rgba(139, 69, 19, 0.12);
    --shadow-lg: 0 8px 24px rgba(139, 69, 19, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Patrón de fondo sutil */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20px 20px, var(--color-border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.75rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
    letter-spacing: -0.5px;
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Container */
.container {
    max-width: 1600px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Navegación */
.nav-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--color-surface);
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.nav-tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-tab:hover {
    background: var(--color-surface-dark);
    color: var(--color-primary);
}

.nav-tab.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.stat-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.2;
    float: right;
}

/* Formularios */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 1rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-control {
    padding: 0.3rem 0.7rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-surface);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 145, 93, 0.1);
}

.form-control:disabled {
    background: var(--color-surface-dark);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Botones */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    text-decoration: none;
    font-size: 1rem;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-light) 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, var(--color-error-light) 100%);
    color: white;
}

.btn-secondary {
    background: var(--color-surface-dark);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Tablas */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
}

.table thead {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table td {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

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

.table tbody tr:hover {
    background: var(--color-surface-dark);
}

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

/* Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success {
    background: var(--color-success-light);
    color: white;
}

.badge-warning {
    background: var(--color-warning-light);
    color: white;
}

.badge-danger {
    background: var(--color-error-light);
    color: white;
}

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

/* Alertas */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease-out;
}

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

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    border-left: 4px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 83, 80, 0.1);
    border-left: 4px solid var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(255, 152, 0, 0.1);
    border-left: 4px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(33, 150, 243, 0.1);
    border-left: 4px solid #2196F3;
    color: #1976D2;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

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

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease-out;
}

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

.modal-header {
    padding: 0.5rem 1rem;
    border-bottom: 2px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 1rem 2rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Filtros */
.filters {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

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

/* Loader */
.loader {
    border: 4px solid var(--color-surface-dark);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1.125rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-tabs {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .table-wrapper {
        font-size: 0.875rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '🥖';
    position: absolute;
    font-size: 15rem;
    opacity: 0.05;
    top: -5rem;
    right: -5rem;
    transform: rotate(-15deg);
}

.login-container::after {
    content: '🥐';
    position: absolute;
    font-size: 12rem;
    opacity: 0.05;
    bottom: -4rem;
    left: -4rem;
    transform: rotate(25deg);
}

.login-card {
    background: var(--color-surface);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 100%;
    position: relative;
    z-index: 1;
}

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

.login-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

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

/* Utilidades */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-none { display: none; }
.d-block { display: block; }
.fw-bold { font-weight: 700; }

/* Acciones de tabla */
.table-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.btn-edit {
    background: #2196F3;
    color: white;
}

.btn-delete {
    background: var(--color-error);
    color: white;
}

.btn-view {
    background: var(--color-success);
    color: white;
}

/* Resumen de totales */
.totals-summary {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-lg);
    margin: 0.5rem 0;
}

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

.total-item {
    text-align: center;
    color: white;
}

.total-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.total-value {
    font-size: 1.75rem;
    font-weight: 700;
}