/* ===== CSS Variables ===== */
:root {
    --primary: #FF6B35;
    --primary-hover: #E55A25;
    --primary-light: #FFF4F0;
    
    --success: #22C55E;
    --success-bg: #DCFCE7;
    --warning: #F59E0B;
    --warning-bg: #FEF3C7;
    --danger: #EF4444;
    --danger-bg: #FEE2E2;
    --info: #3B82F6;
    --info-bg: #DBEAFE;
    
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    --bg-main: #F8F9FC;
    --bg-card: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 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);
    
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --sidebar-width: 72px;
}

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

html, body {
    height: 100%;
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-800);
    background: var(--bg-main);
}

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

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    justify-content: center;
    padding: 0 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 16px;
}

.logo svg {
    display: block;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 12px;
}

.nav-item {
    border-radius: var(--radius);
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    text-decoration: none;
    color: var(--gray-500);
    font-size: 11px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: var(--gray-50);
    color: var(--gray-700);
}

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

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    min-height: 100vh;
}

/* ===== Page Header ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.header-left h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 14px;
    background: var(--bg-card);
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box input::placeholder {
    color: var(--gray-400);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

/* ===== Content Wrapper ===== */
.content-wrapper {
    display: flex;
    gap: 24px;
}

.orders-section {
    flex: 1;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.orders-section.with-sidebar {
    flex: 1;
}

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

.btn-danger:hover {
    background: #DC2626;
}

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

.btn-success:hover {
    background: #16A34A;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-warning:hover {
    background: #D97706;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-filter {
    background: transparent;
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-filter:hover,
.btn-filter.active {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--gray-400);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.btn-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ===== Filter Panel ===== */
.filter-panel {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
}

.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-card);
    min-width: 160px;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== Orders Table ===== */
.orders-table-container {
    overflow-x: auto;
}

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

.orders-table thead {
    background: var(--gray-50);
}

.orders-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.orders-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.orders-table tbody tr {
    cursor: pointer;
    transition: background 0.15s ease;
}

.orders-table tbody tr:hover {
    background: var(--gray-50);
}

.orders-table tbody tr.selected {
    background: var(--primary-light);
}

.order-id {
    font-weight: 600;
    color: var(--gray-900);
}

.time {
    font-size: 12px;
    color: var(--gray-400);
}

.description {
    max-width: 200px;
    color: var(--gray-600);
}

.loading, .empty {
    text-align: center;
    color: var(--gray-500);
    padding: 48px 16px !important;
}

/* ===== Department Badge ===== */
.department-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

/* ===== Status Badge ===== */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.status-pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-progress {
    background: var(--info-bg);
    color: var(--info);
}

.status-completed {
    background: var(--success-bg);
    color: var(--success);
}

.status-cancelled {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ===== Order Sidebar ===== */
.order-sidebar {
    width: 380px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    height: fit-content;
    position: sticky;
    top: 24px;
    animation: slideIn 0.2s ease;
}

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

.order-sidebar .sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 0;
}

.order-sidebar .sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.sidebar-content {
    padding: 20px;
    flex: 1;
}

.info-section {
    margin-bottom: 24px;
}

.info-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}

.info-row .label {
    font-size: 13px;
    color: var(--gray-500);
}

.info-row .value {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
}

.description-text {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    background: var(--gray-50);
    padding: 12px;
    border-radius: var(--radius);
}

.sidebar-actions {
    display: flex;
    gap: 12px;
    padding: 20px;
    border-top: 1px solid var(--gray-100);
}

.sidebar-actions .btn {
    flex: 1;
    justify-content: center;
}

/* ===== Modal ===== */
.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: 1000;
    animation: fadeIn 0.2s ease;
}

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

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.2s ease;
}

.modal-sm {
    max-width: 400px;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-body {
    padding: 24px;
}

.modal-body p {
    color: var(--gray-600);
    line-height: 1.6;
}

.modal-form {
    padding: 24px;
    overflow-y: auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

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

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

.form-group .validation-message {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .order-sidebar {
        width: 340px;
    }
}

@media (max-width: 992px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .order-sidebar {
        width: 100%;
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 16px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 16px;
    }
    
    .header-right {
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
    
    .orders-table {
        font-size: 13px;
    }
    
    .orders-table th,
    .orders-table td {
        padding: 10px 12px;
    }
    
    .modal {
        margin: 16px;
        max-height: calc(100vh - 32px);
    }
}

/* ===== Amount Column ===== */
.amount {
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
}

.amount-value {
    color: var(--primary);
    font-weight: 600;
}

/* ===== Logout Button ===== */
.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ===== Login Page ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    width: 100%;
    max-width: 400px;
    padding: 40px;
    animation: slideUp 0.4s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.login-card .form-group input,
.login-card .form-group .form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    justify-content: center;
    margin-top: 8px;
}

.error-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: var(--danger-bg);
    color: var(--danger);
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}