/**
 * On. Helados - Sistema POS
 * Estilos principales - Diseño minimalista aesthetic
 * Color principal: #9a9967
 */

/* ==================== VARIABLES ==================== */
:root {
    --primary: #9a9967;
    --primary-dark: #858656;
    --primary-light: #b5b485;
    --secondary: #f5f5f5;
    --dark: #2c2c2c;
    --gray: #666666;
    --light-gray: #e8e8e8;
    --white: #ffffff;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --info: #2196f3;
    
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --maximiliano: #FF8F00
}

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

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

body {
    font-family: var(--font-main);
    color: var(--dark);
    background: var(--secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== LAYOUT ==================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

.logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    margin: 5px 15px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--gray);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.95rem;
}

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

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

.nav-icon {
    width: 20px;
    margin-right: 12px;
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--light-gray);
    margin-top: auto;
}

.user-info {
    display: flex;
    align-items: center;
    padding: 10px;
    background: var(--secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 12px;
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    display: block;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
    transition: var(--transition);
}

.page-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.page-subtitle {
    color: var(--gray);
    font-size: 0.95rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    color: var(--gray);
}

/* ==================== CARDS ==================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-icon {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0.2;
}

.stat-icon.primary { background: var(--primary); }
.stat-icon.success { background: var(--success); }
.stat-icon.warning { background: var(--warning); }
.stat-icon.info { background: var(--info); }

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.stat-change {
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
}

.card-actions {
    display: flex;
    gap: 10px;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--dark);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--light-gray);
}

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

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

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark);
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(154, 153, 103, 0.1);
}

.form-control:disabled {
    background: var(--secondary);
    cursor: not-allowed;
}

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

.form-help {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 5px;
}

.form-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 5px;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group .form-control {
    flex: 1;
}

/* ==================== TABLES ==================== */
.table-container {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.table thead {
    background: var(--secondary);
}

.table th {
    padding: 15px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 15px;
    border-top: 1px solid var(--light-gray);
    font-size: 0.95rem;
}

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

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

.table-actions {
    display: flex;
    gap: 8px;
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-primary { background: var(--primary); color: var(--white); }
.badge-success { background: var(--success); color: var(--white); }
.badge-warning { background: var(--warning); color: var(--white); }
.badge-danger { background: var(--danger); color: var(--white); }
.badge-info { background: var(--info); color: var(--white); }
.badge-secondary { background: var(--light-gray); color: var(--dark); }

/* ==================== ALERTS ==================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border-left: 4px solid var(--info);
}

/* ==================== MODALS ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 25px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
}

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

.modal-close:hover {
    background: var(--light-gray);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ==================== EMPTY STATES ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 4rem;
    color: var(--light-gray);
    margin-bottom: 20px;
}

.empty-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.empty-text {
    color: var(--gray);
    margin-bottom: 25px;
}

/* ==================== LOADING ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 1rem; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-gray { color: var(--gray); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        overflow-x: auto;
    }
}

/* ==================== PRINT ==================== */
@media print {
    .sidebar,
    .btn,
    .card-actions {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
}