/* ============================================
   DMARC Analyzer - Stylesheet
   Dark theme with professional aesthetics
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors */
    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-card: #1e293b;
    --color-bg-hover: #334155;
    --color-border: #334155;
    --color-text: #f1f5f9;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-primary: #3b82f6;
    --color-primary-light: rgba(59, 130, 246, 0.15);
    --color-success: #22c55e;
    --color-success-light: rgba(34, 197, 94, 0.15);
    --color-warning: #f59e0b;
    --color-warning-light: rgba(245, 158, 11, 0.15);
    --color-danger: #ef4444;
    --color-danger-light: rgba(239, 68, 68, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;
}

/* ============================================
   Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-bg);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
}

.record-count {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

.nav-brand svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-links a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-links a:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
    text-decoration: none;
}

.nav-links a.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.card-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: 0;
}

.stat-card.alert,
.stat-card.warning {
    margin-bottom: 0;
}

.stat-card.alert {
    border-color: var(--color-danger);
    background: var(--color-danger-light);
}

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

/* Clickable stat cards */
a.stat-card-link {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    cursor: pointer;
}

a.stat-card-link:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

a.stat-card-link.alert:hover {
    border-color: var(--color-danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

a.stat-card-link.warning:hover {
    border-color: var(--color-warning);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon.blue { background: var(--color-primary-light); color: var(--color-primary); }
.stat-icon.green { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.red { background: var(--color-danger-light); color: var(--color-danger); }
.stat-icon.orange { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

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

/* ============================================
   Dashboard Grid
   ============================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-lg);
}

.dashboard-grid .card {
    min-width: 0; /* Prevent grid blowout */
}

.dashboard-grid .card .table-responsive {
    overflow-x: auto;
}

/* ============================================
   Tables
   ============================================ */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.table th,
.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-bg);
    white-space: nowrap;
}

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

.table tbody tr.suspicious {
    background: var(--color-danger-light);
}

.table tbody tr.has-failures {
    border-left: 3px solid var(--color-warning);
}

.table tbody tr.complete-failure {
    border-left: 3px solid var(--color-danger);
}

.table tbody tr.has-failure {
    border-left: 3px solid var(--color-warning);
}

/* ============================================
   Reports Table Column Widths
   ============================================ */
.reports-table {
    table-layout: fixed;
    width: 100%;
}

.reports-table .col-domain { width: 16%; }
.reports-table .col-reporter { width: 16%; }
.reports-table .col-daterange { width: 14%; }
.reports-table .col-messages { width: 8%; }
.reports-table .col-dkim { width: 9%; }
.reports-table .col-spf { width: 9%; }
.reports-table .col-policy { width: 8%; }
.reports-table .col-status { width: 9%; }
.reports-table .col-actions { width: 9%; }

.reports-table .col-actions .action-buttons {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
}

.reports-table .col-actions form {
    display: inline-flex;
}

.reports-table td {
    overflow: hidden;
    text-overflow: ellipsis;
}

.reports-table .reporter-name {
    display: block;
    font-weight: 500;
    word-wrap: break-word;
}

.reports-table .reporter-email {
    word-wrap: break-word;
    word-break: break-all;
}

/* ============================================
   Records Table Column Widths
   ============================================ */
.records-table {
    table-layout: fixed;
    width: 100%;
}

.records-table .col-checkbox { width: 3%; }
.records-table .col-rec-domain { width: 14%; }
.records-table .col-rec-source { width: 18%; }
.records-table .col-rec-count { width: 6%; }
.records-table .col-rec-dkim { width: 6%; }
.records-table .col-rec-spf { width: 6%; }
.records-table .col-rec-from { width: 16%; }
.records-table .col-rec-date { width: 10%; }
.records-table .col-rec-status { width: 10%; }
.records-table .col-rec-actions { width: 8%; }

.records-table td {
    overflow: hidden;
    text-overflow: ellipsis;
}

.records-table .domain-name {
    display: block;
    word-wrap: break-word;
}

.records-table .org-name {
    word-wrap: break-word;
    word-break: break-all;
}

.records-table .from-header {
    display: block;
    word-wrap: break-word;
    word-break: break-all;
}

/* ============================================
   IP Addresses Table Column Widths
   ============================================ */
.ip-table {
    table-layout: fixed;
    width: 100%;
}

.ip-table .col-ip-address { width: 12%; }
.ip-table .col-ip-hostname { width: 20%; }
.ip-table .col-ip-messages { width: 10%; }
.ip-table .col-ip-dkim { width: 8%; }
.ip-table .col-ip-spf { width: 8%; }
.ip-table .col-ip-domains { width: 20%; }
.ip-table .col-ip-status { width: 10%; }
.ip-table .col-ip-actions { width: 12%; }

.ip-table td {
    overflow: hidden;
    vertical-align: top;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.ip-table .org-name {
    display: block;
    word-wrap: break-word;
}

.ip-table .hostname-text {
    word-wrap: break-word;
    word-break: break-all;
}

/* Domains list in IP table - each domain on its own line */
.domains-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.domain-tag {
    display: inline-block;
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-text-light);
    word-wrap: break-word;
    word-break: break-all;
}

/* Action buttons container in IP table */
.ip-table .action-buttons {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
}

/* Action buttons container - for all tables */
.action-buttons {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
    align-items: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    background: var(--color-bg-hover);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
}

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

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8125rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2em 0.6em;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

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

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

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

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

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

/* ============================================
   Progress Bars
   ============================================ */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-fill.success { background: var(--color-success); }
.progress-fill.warning { background: var(--color-warning); }
.progress-fill.danger { background: var(--color-danger); }

/* ============================================
   Forms & Filters
   ============================================ */
.filters-card {
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.filters-card .card-body {
    padding: var(--spacing-lg);
}

.filters-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 150px;
    flex: 1;
}

.filter-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.filter-group input,
.filter-group select,
.filter-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
}

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

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex: 0 0 auto;
    margin-left: auto;
}

.filter-actions .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Dropdowns
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    min-width: 180px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: var(--spacing-xs) 0;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu-right {
    right: 0;
    left: auto;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    background: none;
    border: none;
    text-align: left;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
}

.dropdown-item:hover {
    background: var(--color-bg-hover);
    text-decoration: none;
}

.dropdown-divider {
    margin: var(--spacing-xs) 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Date Selector
   ============================================ */
.date-selector-card {
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
}

.date-selector-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.date-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
}

.preset-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-right: var(--spacing-sm);
}

.date-presets .btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.custom-date-range,
.date-custom {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-left: auto;
}

.custom-date-range span,
.date-custom span {
    color: var(--color-text-muted);
}

.custom-date-range input[type="date"],
.date-custom input[type="date"] {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
}

.custom-date-range input[type="date"]::-webkit-calendar-picker-indicator,
.date-custom input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

/* ============================================
   Bulk Actions
   ============================================ */
.bulk-actions-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.bulk-select {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.selected-count {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.bulk-action-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bulk-action-group label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.bulk-action-group select {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: 0.875rem;
}

.bulk-action-all {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--color-border);
}

.bulk-action-all select {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: 0.875rem;
}

/* ============================================
   Details Rows
   ============================================ */
.details-row {
    background: var(--color-bg) !important;
}

.details-row td {
    padding: var(--spacing-lg);
}

.record-details,
.ip-details {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.detail-section h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.detail-section dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
}

.detail-section dt {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.detail-section dd {
    margin: 0;
    font-size: 0.875rem;
}

.external-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.remediation-section {
    grid-column: 1 / -1;
}

.remediation-content {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.notes-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.notes-section h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.notes-section pre {
    margin: 0;
    white-space: pre-wrap;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ============================================
   Upload
   ============================================ */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.upload-zone svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.upload-zone h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.125rem;
}

.upload-zone p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.file-list {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.file-list h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
}

.file-list ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.file-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.file-name {
    font-weight: 500;
}

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

/* ============================================
   Login Page
   ============================================ */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

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

.login-box {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header .logo {
    width: 64px;
    height: 64px;
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.login-header .logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.login-header h1 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.5rem;
}

.login-header p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.login-form .btn {
    margin-top: var(--spacing-md);
}

.version {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert ul {
    margin: var(--spacing-sm) 0 0 0;
    padding-left: var(--spacing-lg);
}

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

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

.alert-success a {
    color: var(--color-success);
    text-decoration: underline;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.page-info {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

/* ============================================
   Utilities
   ============================================ */
.text-muted {
    color: var(--color-text-muted);
}

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

.d-block {
    display: block;
}

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

.ip-address {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-row {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .bulk-actions-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bulk-action-all {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border);
    }
    
    .date-selector-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .custom-date-range {
        margin-left: 0;
        flex-wrap: wrap;
    }
}