/* Croxias — professional B2B SaaS style.
   Neutral palette, flat colors, no gradients, no glass panels, minimal motion. */

:root {
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-text-faint: #94a3b8;

    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-bg: #eff6ff;

    --color-success: #15803d;
    --color-success-bg: #dcfce7;
    --color-warning: #b45309;
    --color-warning-bg: #fef3c7;
    --color-danger: #b91c1c;
    --color-danger-bg: #fee2e2;
    --color-neutral-bg: #f1f5f9;

    --color-sidebar-bg: #0f172a;
    --color-sidebar-border: #1e293b;
    --color-sidebar-text: #cbd5e1;
    --color-sidebar-text-muted: #64748b;
    --color-sidebar-active-bg: #1e293b;
    --color-sidebar-active-text: #ffffff;

    --radius: 8px;
    --radius-sm: 5px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

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

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

a:hover {
    text-decoration: underline;
}

h1, h2, h3 {
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 8px 0;
    letter-spacing: -0.01em;
}

h1 { font-size: 24px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

p {
    color: var(--color-text-muted);
    margin: 0 0 12px 0;
}

code {
    font-size: 12px;
    background: var(--color-neutral-bg);
    padding: 1px 5px;
    border-radius: 4px;
}

/* ---- App shell ---- */

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

.sidebar {
    width: 232px;
    flex-shrink: 0;
    background: var(--color-sidebar-bg);
    display: flex;
    flex-direction: column;
    padding: 16px 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px 20px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 1px solid var(--color-sidebar-border);
    margin-bottom: 12px;
}

.sidebar-brand .brand-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--color-sidebar-active-bg);
    color: var(--color-sidebar-text);
    font-size: 15px;
    line-height: 1;
}

.sidebar-section-label {
    padding: 14px 20px 6px 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-sidebar-text-muted);
}

.sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0 10px;
}

.sidebar-nav:last-of-type {
    flex: 1;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-sidebar-text);
    font-weight: 500;
    margin-bottom: 2px;
}

.sidebar-nav a:hover {
    background: var(--color-sidebar-active-bg);
    color: #ffffff;
    text-decoration: none;
}

.sidebar-nav a.active {
    color: var(--color-sidebar-active-text);
    background: var(--color-primary);
}

.sidebar-nav .nav-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: inline-flex;
}

.sidebar-nav .nav-icon svg {
    width: 100%;
    height: 100%;
}

.sidebar-footer {
    padding: 14px 20px 4px 20px;
    border-top: 1px solid var(--color-sidebar-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-footer .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-footer .who {
    line-height: 1.3;
}

.sidebar-footer .who .name {
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
}

.sidebar-footer .who .role {
    color: var(--color-sidebar-text-muted);
    font-size: 11px;
}

.main {
    flex: 1;
    padding: 28px 36px 60px 36px;
    max-width: 1120px;
}

.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 8px;
}

.page-header p {
    margin: 4px 0 0 0;
}

/* ---- Cards / surfaces ---- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 18px;
}

.stat-card .stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--color-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 4px;
}

/* ---- Tables ---- */

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
}

th, td {
    text-align: left;
    padding: 11px 14px;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
    vertical-align: middle;
}

th {
    color: var(--color-text-faint);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 11px;
    background: var(--color-neutral-bg);
}

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

.table-wrap {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.text-faint {
    color: var(--color-text-faint);
    font-size: 12px;
}

/* ---- Badges ---- */

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger  { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-neutral { background: var(--color-neutral-bg); color: var(--color-text-muted); }
.badge-primary { background: var(--color-primary-bg); color: var(--color-primary); }

/* ---- Activity list / timeline ---- */

.activity-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.activity-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.activity-list li:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.activity-dot.dot-success { background: var(--color-success); }
.activity-dot.dot-warning { background: var(--color-warning); }
.activity-dot.dot-danger { background: var(--color-danger); }
.activity-dot.dot-neutral { background: var(--color-text-faint); }

.activity-text {
    font-size: 13px;
    color: var(--color-text);
}

.activity-time {
    font-size: 12px;
    color: var(--color-text-faint);
    white-space: nowrap;
    margin-left: auto;
    padding-left: 12px;
}

.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 2px solid var(--color-border);
}

.timeline li {
    position: relative;
    padding: 0 0 18px 20px;
}

.timeline li:last-child {
    padding-bottom: 0;
}

.timeline .timeline-dot {
    position: absolute;
    left: -7px;
    top: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-surface);
    background: var(--color-text-faint);
}

.timeline .timeline-dot.dot-warning { background: var(--color-warning); }
.timeline .timeline-dot.dot-danger { background: var(--color-danger); }
.timeline .timeline-dot.dot-success { background: var(--color-success); }

.timeline .timeline-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.timeline .timeline-time {
    font-size: 12px;
    color: var(--color-text-faint);
}

/* ---- Change cards ---- */

.change-card {
    display: flex;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-text-faint);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    margin-bottom: 10px;
}

.change-card.severity-high { border-left-color: var(--color-danger); }
.change-card.severity-normal { border-left-color: var(--color-warning); }
.change-card.severity-info { border-left-color: var(--color-success); }

.change-card .change-main {
    flex: 1;
}

.change-card .change-website {
    font-weight: 600;
    font-size: 14px;
}

.change-card .change-meta {
    font-size: 12px;
    color: var(--color-text-faint);
    margin-top: 2px;
}

/* ---- Diff view ---- */

.diff-legend {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.diff-legend span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.diff-legend .swatch {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
}

.diff-added { background: var(--color-success-bg); color: var(--color-success); }
.diff-removed { background: var(--color-danger-bg); color: var(--color-danger); text-decoration: line-through; }
.diff-unchanged { color: var(--color-text-muted); }

.diff-line {
    display: block;
    padding: 1px 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
    white-space: pre-wrap;
    word-break: break-word;
    border-radius: 3px;
}

/* ---- Forms & buttons ---- */

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="number"],
input[type="password"],
select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-surface);
}

input:focus, select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
}

.form-row {
    margin-bottom: 14px;
}

.form-inline {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-inline .form-row {
    margin-bottom: 0;
    flex: 1;
    min-width: 160px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

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

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

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

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

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

.btn-danger {
    background: var(--color-surface);
    color: var(--color-danger);
    border-color: #f3c9c5;
}

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
}

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

.icon-btn svg {
    width: 15px;
    height: 15px;
}

.action-row {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.filter-row {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.filter-row select {
    width: auto;
    min-width: 160px;
}

/* ---- Empty / error states ---- */

.state-block {
    text-align: center;
    padding: 48px 20px;
}

.state-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-neutral-bg);
    color: var(--color-text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px auto;
}

.state-icon.icon-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.state-icon.icon-warning { background: var(--color-warning-bg); color: var(--color-warning); }

.state-icon svg { width: 20px; height: 20px; }

.state-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.state-subtitle {
    color: var(--color-text-faint);
    font-size: 13px;
    margin-bottom: 16px;
}

/* kept for older markup */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-text-faint);
}

/* ---- Demo data notice ---- */

.demo-banner {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid #f0dcb5;
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* ---- Landing page ---- */

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 40px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.landing-nav .brand {
    font-weight: 700;
    font-size: 17px;
}

.landing-nav .nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.landing-nav .nav-links a {
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 500;
}

.landing-nav .nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.landing-hero {
    max-width: 720px;
    margin: 0 auto;
    padding: 72px 24px 40px 24px;
    text-align: center;
}

.landing-hero h1 {
    font-size: 36px;
    margin-bottom: 14px;
}

.landing-hero p {
    font-size: 16px;
}

.landing-hero .hero-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 20px 0 14px 0;
}

.trust-row {
    display: flex;
    gap: 18px;
    justify-content: center;
    font-size: 12px;
    color: var(--color-text-faint);
}

.landing-section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 24px 64px 24px;
}

.landing-section .section-heading {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 28px auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.feature-grid .card p {
    margin-bottom: 0;
}

.feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.feature-icon svg { width: 18px; height: 18px; }

.flow-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 130px;
    text-align: center;
}

.flow-step .flow-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step .flow-icon svg { width: 20px; height: 20px; }

.flow-step span {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
}

.flow-arrow {
    color: var(--color-text-faint);
    font-size: 18px;
}

.landing-cta {
    background: var(--color-sidebar-bg);
    color: #fff;
    text-align: center;
    padding: 48px 24px;
}

.landing-cta h2 {
    color: #fff;
    font-size: 22px;
}

.landing-cta p {
    color: var(--color-sidebar-text);
}

.landing-footer {
    border-top: 1px solid var(--color-border);
    padding: 32px 40px 20px 40px;
    color: var(--color-text-faint);
    font-size: 12px;
}

.landing-footer .footer-cols {
    display: flex;
    justify-content: space-between;
    max-width: 1000px;
    margin: 0 auto 20px auto;
    flex-wrap: wrap;
    gap: 24px;
}

.landing-footer .footer-cols div {
    min-width: 140px;
}

.landing-footer .footer-cols h3 {
    font-size: 12px;
    color: var(--color-text);
    margin-bottom: 8px;
}

.landing-footer .footer-cols a {
    display: block;
    color: var(--color-text-faint);
    margin-bottom: 6px;
}

.landing-footer .footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
    .app-shell {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .main {
        padding: 20px;
    }
}