/* =============================================================================
   hzERP Blazor Theme
   Modern dark theme matching the WPF application
   ============================================================================= */

/* CSS Variables */
:root {
    /* Primary Colors */
    --color-primary: #1E3A5F;
    --color-primary-dark: #0F172A;
    --color-primary-light: #2D4A6F;

    /* Accent Colors */
    --color-accent: #22C55E;
    --color-accent-hover: #16A34A;

    /* Background Colors */
    --color-bg-dark: #0F172A;
    --color-bg-medium: #1E293B;
    --color-bg-light: #334155;
    --color-bg-card: #1E293B;

    /* Text Colors */
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;

    /* Border Colors */
    --color-border: #334155;
    --color-border-light: #475569;

    /* Status Colors */
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* Sizing */
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --border-radius: 8px;
    --border-radius-sm: 4px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* =============================================================================
   Reset & Base
   ============================================================================= */

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

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
}

/* =============================================================================
   App Container Layout
   ============================================================================= */

.app-container {
    display: flex;
    height: 100vh;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.page-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background-color: var(--color-bg-dark);
}

/* =============================================================================
   Sidebar Navigation
   ============================================================================= */

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.user-icon {
    font-size: 18px;
    margin-right: 10px;
}

.user-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--border-radius);
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

.logout-btn .nav-icon {
    font-size: 18px;
    margin-right: 12px;
}

/* Nav Items */
.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin: 4px 0;
    border-radius: var(--border-radius);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

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

.nav-icon {
    font-size: 18px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.nav-text {
    font-size: 14px;
    font-weight: 500;
}

/* Nav Sections */
.nav-section {
    margin: 8px 0;
}

.nav-section-header {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--border-radius);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-section-header:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.nav-section-header .nav-arrow {
    margin-left: auto;
    font-size: 10px;
}

.nav-section-content {
    padding-left: 16px;
}

.nav-section-content .nav-item {
    padding: 10px 16px;
    font-size: 13px;
}

/* =============================================================================
   Top Bar
   ============================================================================= */

.top-bar {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background-color: var(--color-bg-medium);
    border-bottom: 1px solid var(--color-border);
}

.top-bar-left .page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
}

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

.user-name {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* =============================================================================
   Buttons
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

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

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

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

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

.btn-danger:hover:not(:disabled) {
    background-color: #DC2626;
}

.btn-logout {
    background-color: transparent;
    color: var(--color-text-secondary);
    padding: 8px 16px;
}

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

.btn-block {
    width: 100%;
}

/* =============================================================================
   Forms
   ============================================================================= */

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-medium);
    color: var(--color-text-primary);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.form-control::placeholder {
    color: var(--color-text-muted);
}

/* Validation */
.validation-message {
    color: var(--color-error);
    font-size: 12px;
    margin-top: 4px;
}

/* =============================================================================
   Login Page
   ============================================================================= */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

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

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

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

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

.login-form {
    margin-bottom: 24px;
}

.login-footer {
    text-align: center;
}

.login-footer p {
    color: var(--color-text-muted);
    font-size: 12px;
}

/* =============================================================================
   Alerts
   ============================================================================= */

.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

/* =============================================================================
   Dashboard
   ============================================================================= */

.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.dashboard-header .subtitle {
    color: var(--color-text-secondary);
    font-size: 16px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.dashboard-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--color-border);
}

.dashboard-card.clickable {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.dashboard-card.clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.card-icon.sales { background-color: rgba(34, 197, 94, 0.1); }
.card-icon.purchases { background-color: rgba(59, 130, 246, 0.1); }
.card-icon.receivables { background-color: rgba(245, 158, 11, 0.1); }
.card-icon.payables { background-color: rgba(239, 68, 68, 0.1); }

.card-content h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.card-label {
    font-size: 12px;
    color: var(--color-text-muted);
}

.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.dashboard-section {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    border: 1px solid var(--color-border);
}

.dashboard-section h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.empty-state {
    color: var(--color-text-muted);
    text-align: center;
    padding: 32px;
}

/* =============================================================================
   Toast Notifications
   ============================================================================= */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--border-radius);
    background-color: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 300px;
    max-width: 450px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success { border-left: 4px solid var(--color-success); }
.toast-error { border-left: 4px solid var(--color-error); }
.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-info { border-left: 4px solid var(--color-info); }

.toast-title {
    color: var(--color-text-primary);
    font-weight: 600;
    margin-right: 8px;
}

.toast-message {
    color: var(--color-text-secondary);
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 0 4px;
}

.toast-close:hover {
    color: var(--color-text-primary);
}

/* =============================================================================
   Dialog / Modal
   ============================================================================= */

.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
}

.dialog {
    background-color: var(--color-bg-medium);
    border-radius: var(--border-radius);
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.dialog-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.dialog-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.dialog-body {
    padding: 24px;
}

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

.dialog-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* =============================================================================
   Tables / Data Grid
   ============================================================================= */

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background-color: var(--color-bg-light);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    color: var(--color-text-primary);
}

.data-table tbody tr:hover {
    background-color: var(--color-bg-light);
}

.data-table tbody tr.selected {
    background-color: rgba(34, 197, 94, 0.1);
}

/* =============================================================================
   Utility Classes
   ============================================================================= */

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

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }

/* =============================================================================
   Page Layout Components
   ============================================================================= */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

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

.page-header-left h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.page-header-right {
    display: flex;
    gap: 12px;
}

.btn-back {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

/* Page Toolbar */
.page-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.search-box {
    display: flex;
    gap: 8px;
    flex: 1;
    max-width: 400px;
}

.search-box .form-control {
    flex: 1;
}

.toolbar-options {
    display: flex;
    align-items: center;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Page Footer */
.page-footer {
    margin-top: 16px;
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
}

.record-count {
    color: var(--color-text-muted);
    font-size: 13px;
}

/* Loading & Empty States */
.loading-state,
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

/* =============================================================================
   Data Table Enhancements
   ============================================================================= */

.data-table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.clickable-row {
    cursor: pointer;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.status-badge.inactive {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.btn-icon {
    background: none;
    border: none;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

.btn-icon-danger:hover {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.btn-icon-success:hover {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

/* =============================================================================
   Detail Form Styles
   ============================================================================= */

.detail-form {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 24px;
}

.form-section {
    margin-bottom: 32px;
}

.form-section:last-of-type {
    margin-bottom: 24px;
}

.form-section h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

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

.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

/* InputSelect styling */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

/* Textarea styling */
textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* Small form controls */
.form-control-sm {
    padding: 6px 10px;
    font-size: 13px;
}

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

/* Section header with action button */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.section-header h2 {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* =============================================================================
   Document Status Badges
   ============================================================================= */

.status-badge.draft {
    background-color: rgba(100, 116, 139, 0.15);
    color: var(--color-text-secondary);
}

.status-badge.pending {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.status-badge.approved,
.status-badge.confirmed {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-info);
}

.status-badge.sent,
.status-badge.processing {
    background-color: rgba(139, 92, 246, 0.15);
    color: #8B5CF6;
}

.status-badge.partial {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.status-badge.received,
.status-badge.shipped,
.status-badge.invoiced {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.status-badge.closed {
    background-color: rgba(100, 116, 139, 0.15);
    color: var(--color-text-muted);
}

.status-badge.cancelled {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

/* =============================================================================
   Table Footer & Totals
   ============================================================================= */

.data-table tfoot {
    background-color: var(--color-bg-light);
}

.data-table tfoot td {
    border-bottom: none;
    padding: 12px 16px;
}

.totals-row td {
    font-weight: 500;
}

/* =============================================================================
   Audit Trail
   ============================================================================= */

.audit-trail {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 0;
}

.audit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    border-left: 3px solid var(--color-success);
}

.audit-item.audit-item-muted {
    border-left-color: var(--color-text-secondary);
    opacity: 0.7;
}

.audit-icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.audit-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.audit-action {
    font-weight: 500;
    color: var(--color-text-primary);
}

.audit-details {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.audit-link {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}

.audit-link:hover {
    text-decoration: underline;
}