/* 
 * Itaewon Bazar - Main Stylesheet
 * Clean, Minimal Design with Warm Accents
 */

/* CSS Variables */
:root {
    --bg-primary: #faf9f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f3f0;
    --text-primary: #1a1a1a;
    --text-secondary: #5c5c5c;
    --text-muted: #8c8c8c;
    --accent: #c45c26;
    --accent-hover: #a84d1f;
    --accent-light: #fef3ed;
    --success: #2d8a4e;
    --success-light: #ecf7f0;
    --warning: #b86e00;
    --warning-light: #fff8eb;
    --error: #c43c3c;
    --error-light: #fef0f0;
    --border: #e5e2dd;
    --border-light: #f0ede8;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover { color: var(--accent-hover); }

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 2rem;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border-light);
    border-color: var(--border);
}

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

.btn-success:hover {
    background: #257a42;
}

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

.btn-danger:hover {
    background: #a83232;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

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

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

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

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.0625rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid #c3e6d1;
}

.alert-error {
    background: var(--error-light);
    color: var(--error);
    border: 1px solid #f5d0d0;
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid #ffe4b8;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
}

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

th, td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

th {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}

tr:hover td {
    background: var(--bg-tertiary);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 100px;
}

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

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

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

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Order Page - Two Column Layout */
.order-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .order-layout {
        grid-template-columns: 1fr;
    }
}

/* Items Panel */
.items-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.items-search {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-light);
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    font-size: 0.9375rem;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%238c8c8c' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.875rem center;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-secondary);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    overflow-x: auto;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-tertiary);
}

.category-tab {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

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

.category-tab.active {
    color: var(--accent);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

/* Items Grid */
.items-grid {
    display: grid;
    gap: 1px;
    background: var(--border-light);
    max-height: calc(100vh - 320px);
    overflow-y: auto;
}

.item-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    transition: background var(--transition);
}

.item-row:hover {
    background: var(--bg-tertiary);
}

.item-row.unavailable {
    opacity: 0.5;
}

.item-info h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.item-info .item-category {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.item-price {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent);
    min-width: 80px;
    text-align: right;
}

.item-add {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    color: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1.25rem;
}

.item-add:hover {
    background: var(--accent);
    color: white;
}

.item-add:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Invoice Panel */
.invoice-panel {
    position: sticky;
    top: 100px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.invoice-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-tertiary);
}

.invoice-header h3 {
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.invoice-items {
    max-height: 400px;
    overflow-y: auto;
}

.invoice-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.75rem;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.invoice-item-info h4 {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.invoice-item-price {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.invoice-item-subtotal {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 80px;
    text-align: right;
}

/* Quantity Controls */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 0.125rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition);
}

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

.qty-btn.remove:hover {
    background: var(--error-light);
    color: var(--error);
}

.qty-value {
    min-width: 32px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Invoice Footer */
.invoice-footer {
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border);
}

.invoice-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.invoice-total-label {
    font-size: 1rem;
    font-weight: 500;
}

.invoice-total-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.invoice-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
}

.invoice-empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

/* Auth Pages */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h1 {
    font-size: 1.5rem;
    margin-top: 1rem;
}

.auth-logo p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.auth-form h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Admin Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    min-height: 100vh;
    padding: 1.5rem 0;
}

.sidebar-logo {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1rem;
}

.sidebar-nav {
    padding: 0 0.75rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.25rem;
    transition: all var(--transition);
}

.sidebar-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--accent-light);
    color: var(--accent);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card-icon.primary {
    background: var(--accent-light);
    color: var(--accent);
}

.stat-card-icon.success {
    background: var(--success-light);
    color: var(--success);
}

.stat-card-icon.warning {
    background: var(--warning-light);
    color: var(--warning);
}

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

.stat-card-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    transform: scale(0.95);
    transition: transform var(--transition);
}

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

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.25rem;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.pagination a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.pagination .active {
    background: var(--accent);
    color: white;
}

/* Order History */
.order-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.order-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-light);
}

.order-number {
    font-weight: 600;
    color: var(--text-primary);
}

.order-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.order-card-body {
    padding: 1rem 1.25rem;
}

.order-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-light);
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .admin-sidebar {
        display: none;
    }
    
    .order-layout {
        grid-template-columns: 1fr;
    }
    
    .invoice-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        z-index: 100;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.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-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.hidden { display: none !important; }

/* Print Styles */
@media print {
    .header, .invoice-footer .btn, .qty-controls, .no-print {
        display: none !important;
    }
    
    .print-only {
        display: block !important;
    }
    
    body {
        background: white;
    }
    
    .invoice-panel {
        position: static;
        box-shadow: none;
        border: none;
    }
    
    .admin-sidebar {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 20px !important;
    }
}

.print-only {
    display: none;
}