/* ==========================================================================
   Legacy Website Scanner — Dashboard Styles
   Pure CSS, no frameworks. Professional, responsive, modern.
   ========================================================================== */

/* --- CSS Variables --- */
:root {
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-border: #dde1e7;
    --color-text: #1e2a38;
    --color-text-muted: #6b7a8d;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-nav-bg: #111827;
    --color-nav-text: #e5e7eb;
    --color-nav-active: #2563eb;
    --color-score-critical: #dc2626;
    --color-score-high: #ea580c;
    --color-score-medium: #d97706;
    --color-score-low: #16a34a;
    --color-score-none: #9ca3af;
    --color-severity-critical: #dc2626;
    --color-severity-high: #ea580c;
    --color-severity-medium: #d97706;
    --color-severity-low: #9ca3af;
    --color-badge-bg: #e0e7ff;
    --color-badge-text: #3730a3;
    --radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: 0.2s ease;
}

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

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* --- Navigation --- */
.nav {
    background: var(--color-nav-bg);
    color: var(--color-nav-text);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.nav__brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
    margin-right: 2.5rem;
    white-space: nowrap;
}

.nav__links {
    list-style: none;
    display: flex;
    gap: 0.25rem;
}

.nav__links a {
    color: var(--color-nav-text);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
}

.nav__right {
    margin-left: auto;
    position: relative;
}

.nav__dropdown {
    display: inline-block;
    position: relative;
}

.nav__dropdown-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-nav-text);
    padding: 0.4rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition);
}

.nav__dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav__dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    z-index: 200;
}

.nav__dropdown:hover .nav__dropdown-content {
    display: block;
}

.nav__dropdown-content a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--color-text);
    font-size: 0.9rem;
}

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

/* --- Main Container --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
    flex: 1;
    width: 100%;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

/* --- Stats Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card__label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
}

.stat-card__value--primary { color: var(--color-primary); }
.stat-card__value--warning { color: var(--color-score-high); }
.stat-card__value--success { color: var(--color-score-low); }
.stat-card__value--danger  { color: var(--color-score-critical); }

/* --- Cards / Panels --- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.card__header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
    font-weight: 600;
}

.card__body {
    padding: 1.25rem 1.5rem;
}

/* --- Grid Layout --- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

tbody td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

tbody tr:hover {
    background: #f8fafc;
}

tbody tr:last-child td {
    border-bottom: none;
}

/* --- Score Badge --- */
.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
}

.score-critical { background: var(--color-score-critical); }
.score-high     { background: var(--color-score-high); }
.score-medium   { background: var(--color-score-medium); }
.score-low      { background: var(--color-score-low); }
.score-none     { background: var(--color-score-none); }

/* Large score gauge for detail page */
.score-gauge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
}

/* --- Severity Badges --- */
.severity-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #fff;
}

.severity-critical { background: var(--color-severity-critical); }
.severity-high     { background: var(--color-severity-high); }
.severity-medium   { background: var(--color-severity-medium); }
.severity-low      { background: var(--color-severity-low); }

/* --- Technology Badge --- */
.tech-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: var(--color-badge-bg);
    color: var(--color-badge-text);
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    margin: 0.1rem 0.15rem;
    white-space: nowrap;
}

/* --- Status Badge --- */
.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
}

.status-pending  { background: #fef3c7; color: #92400e; }
.status-scanned  { background: #d1fae5; color: #065f46; }
.status-error    { background: #fee2e2; color: #991b1b; }

/* --- Bar Chart (CSS only) --- */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.bar-chart__row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bar-chart__label {
    width: 60px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: right;
    flex-shrink: 0;
}

.bar-chart__track {
    flex: 1;
    height: 28px;
    background: var(--color-bg);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.bar-chart__fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    padding-left: 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: #fff;
    min-width: fit-content;
}

.bar-chart__fill--0 { background: var(--color-score-low); }
.bar-chart__fill--1 { background: #22c55e; }
.bar-chart__fill--2 { background: var(--color-score-medium); }
.bar-chart__fill--3 { background: var(--color-score-high); }
.bar-chart__fill--4 { background: var(--color-score-critical); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    text-decoration: none;
}

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

.btn--primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

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

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

.btn--sm {
    padding: 0.35rem 0.8rem;
    font-size: 0.82rem;
}

.btn--danger {
    background: var(--color-score-critical);
    color: #fff;
}

.btn--danger:hover {
    background: #b91c1c;
    color: #fff;
}

/* --- Forms --- */
.form-row {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-input,
.form-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: #fff;
    color: var(--color-text);
    transition: border-color var(--transition);
    min-width: 140px;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-input--wide {
    min-width: 280px;
}

/* --- Textarea --- */
.form-textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
    resize: vertical;
    transition: border-color var(--transition);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 2;
}

/* --- Scan Panel --- */
.scan-panel {
    border: 2px solid var(--color-primary);
}

.scan-panel .card__header {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.05rem;
}

.scan-panel__status {
    font-size: 0.85rem;
}

/* Scan tabs */
.scan-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.scan-tab {
    padding: 0.6rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.scan-tab:hover {
    color: var(--color-primary);
}

.scan-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.scan-tab-content {
    display: none;
}

.scan-tab-content.active {
    display: block;
}

.btn--lg {
    padding: 0.6rem 2rem;
    font-size: 1rem;
}

/* Status badges for scan */
.status-scanning {
    background: #dbeafe;
    color: #1e40af;
    animation: pulse-bg 1.5s ease-in-out infinite;
}

.status-idle {
    background: #e5e7eb;
    color: #4b5563;
}

@keyframes pulse-bg {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Progress bar */
.progress-bar-container {
    margin-bottom: 1.25rem;
}

.progress-bar {
    height: 24px;
    background: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
    border-radius: 12px;
    transition: width 0.3s ease;
    min-width: 0;
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
    font-weight: 500;
}

/* Scan counters */
.scan-counters {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.scan-counter {
    text-align: center;
    padding: 0.75rem;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.scan-counter__value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
}

.scan-counter--danger .scan-counter__value {
    color: var(--color-score-critical);
}

.scan-counter--success .scan-counter__value {
    color: var(--color-score-low);
}

.scan-counter__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-top: 0.15rem;
}

/* Scan log */
.scan-log-container {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.scan-log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.scan-log {
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
    background: #fafbfc;
    font-size: 0.85rem;
}

.scan-log__empty {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
}

.scan-log__line {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 2px;
}

.scan-log__line:hover {
    background: #f1f5f9;
}

.scan-log__line--hot {
    background: #fef3c7;
}

.scan-log__line--error {
    background: #fee2e2;
}

.scan-log__line--info {
    color: var(--color-primary);
    font-weight: 500;
}

.scan-log__line--done {
    color: var(--color-score-low);
    font-weight: 600;
}

.scan-log__score {
    font-size: 0.75rem;
    min-width: 32px;
    padding: 0.1rem 0.4rem;
}

.scan-log__domain {
    font-weight: 600;
    min-width: 160px;
}

.scan-log__meta {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.scan-log__hot {
    background: var(--color-score-critical);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scan-log__icon {
    font-weight: 700;
    color: var(--color-score-critical);
}

.scan-log__icon-search {
    font-size: 0.9rem;
}

.scan-log__line--search {
    opacity: 0.7;
    font-size: 0.82rem;
}

/* Tab description */
.tab-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* --- Filter Sections --- */
.filter-section {
    margin-bottom: 1.25rem;
}

.filter-section__title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.filter-group {
    margin-bottom: 0.75rem;
}

.filter-group__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.3rem;
}

/* Scan controls row */
.scan-controls {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

/* Checkbox grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.5rem;
}

.checkbox-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

/* Radio group */
.radio-group {
    display: flex;
    gap: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
}

.radio-label:hover {
    border-color: var(--color-primary);
    background: #f0f5ff;
}

.radio-label input[type="radio"] {
    accent-color: var(--color-primary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    cursor: pointer;
    transition: all var(--transition);
}

.checkbox-label:hover {
    border-color: var(--color-primary);
    background: #f0f5ff;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

/* Scan completed */
.scan-completed {
    text-align: center;
    padding: 2rem;
}

.scan-completed__icon {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.scan-completed__text {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.scan-completed__stats {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.scan-completed .btn {
    margin: 0 0.25rem;
}

/* --- Scan Form (legacy) --- */
.scan-form {
    display: flex;
    gap: 0.5rem;
}

.scan-form .form-input {
    flex: 1;
    min-width: 200px;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 1rem 0;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

.pagination a:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    text-decoration: none;
}

.pagination .active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.pagination .disabled {
    color: var(--color-text-muted);
    cursor: default;
    opacity: 0.5;
}

/* --- Contact Info --- */
.contact-list {
    list-style: none;
}

.contact-list li {
    padding: 0.4rem 0;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-type {
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: capitalize;
    min-width: 70px;
}

/* --- Detection Group --- */
.detection-group {
    margin-bottom: 1.5rem;
}

.detection-group__title {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: capitalize;
    color: var(--color-text);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 0.75rem;
}

.detection-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.detection-item:last-child {
    border-bottom: none;
}

.detection-item__tech {
    font-weight: 600;
    min-width: 200px;
}

.detection-item__confidence {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.detection-item__evidence {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    font-style: italic;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Detail Header --- */
.detail-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.detail-header__info {
    flex: 1;
}

.detail-header__domain {
    font-size: 1.6rem;
    font-weight: 700;
}

.detail-header__meta {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}

.empty-state__title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.empty-state__text {
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0 auto;
}

/* --- Detail Rows --- */
.detail-row td {
    padding: 0 1rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.detail-toggle {
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--color-primary);
    font-weight: 500;
    padding: 0.25rem 0;
}

.detail-toggle:hover {
    text-decoration: underline;
}

.detail-content {
    padding: 0.5rem 0;
}

/* Contact line */
.contact-line {
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Text utilities */
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.82rem; }

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 1.5rem 2rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

/* --- Not Found (404) --- */
.not-found {
    text-align: center;
    padding: 4rem 1rem;
}

.not-found__code {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-text-muted);
    line-height: 1;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 0 1rem;
    }

    .nav__brand {
        font-size: 1rem;
        margin-right: 1rem;
    }

    .nav__links a {
        padding: 0.4rem 0.6rem;
        font-size: 0.82rem;
    }

    .container {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        flex-direction: column;
        align-items: stretch;
    }

    .form-input--wide {
        min-width: auto;
    }

    .detail-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .detection-item {
        flex-wrap: wrap;
    }

    .detection-item__tech {
        min-width: auto;
    }

    .detection-item__evidence {
        white-space: normal;
        flex-basis: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .scan-form {
        flex-direction: column;
    }

    .page-title {
        font-size: 1.3rem;
    }
}