@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:wght@500;600&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
    --color-bg: #F3F1EA;
    --color-surface: #FFFFFF;
    --color-surface-alt: #FBFAF7;
    --color-ink: #1B2523;
    --color-ink-soft: #58655F;
    --color-ink-faint: #8B958E;
    --color-accent: #2F5148;
    --color-accent-strong: #1E3931;
    --color-accent-soft: #E3EAE6;
    --color-warn: #9C6B32;
    --color-warn-soft: #F1E7D6;
    --color-danger: #A14B3E;
    --color-danger-soft: #F3E4E0;
    --color-border: #DAD5C8;
    --color-border-soft: #E9E5D9;
    --font-serif: 'IBM Plex Serif', Georgia, serif;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-raised: 0 1px 2px rgba(20, 28, 26, 0.05), 0 10px 28px -14px rgba(20, 28, 26, 0.28);

    /* Sidebar / app-shell palette */
    --sidebar-width: 258px;
    --color-sidebar-bg: #16233F;
    --color-sidebar-bg-alt: #1D2E52;
    --color-sidebar-text: #C7D0E4;
    --color-sidebar-text-dim: #7C88A6;
    --color-sidebar-active-bg: #2A3E68;
    --color-sidebar-border: #263860;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; height: 100%; }

body {
    margin: 0;
    height: 100%;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); }

.brand-word {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: var(--color-ink);
}

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-soft);
    color: var(--color-accent-strong);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.user-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    min-width: 0;
}

.user-name {
    font-weight: 500;
    color: var(--color-ink);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.72rem;
    color: var(--color-ink-faint);
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- App shell (sidebar + main content) ---------- */
.app-shell {
    display: flex;
    align-items: stretch;
    height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-sidebar-bg);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 26px 24px 20px;
    border-bottom: 1px solid var(--color-sidebar-border);
    flex-shrink: 0;
}

.sidebar-brand .brand-word {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.02em;
    color: #fff;
    display: block;
}

.sidebar-brand .brand-sub {
    font-size: 0.78rem;
    color: var(--color-sidebar-text-dim);
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 14px 24px;
}

.nav-section-title {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-sidebar-text-dim);
    padding: 16px 10px 8px;
}

.nav-section-title:first-child {
    padding-top: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    margin-bottom: 2px;
    border-radius: var(--radius-sm);
    color: var(--color-sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-nav a .nav-icon {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
    stroke: currentColor;
}

.sidebar-nav a:hover {
    background: var(--color-sidebar-bg-alt);
    color: #fff;
}

.sidebar-nav a.current {
    background: var(--color-sidebar-active-bg);
    color: #fff;
    border-left-color: #4E8CFF;
}

.sidebar-footer {
    padding: 16px 18px 20px;
    border-top: 1px solid var(--color-sidebar-border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.sidebar-footer .user-avatar {
    background: var(--color-sidebar-active-bg);
    color: #fff;
}

.sidebar-footer .user-name {
    color: #fff;
    font-size: 0.85rem;
}

.sidebar-footer .user-role {
    color: var(--color-sidebar-text-dim);
    font-size: 0.72rem;
}

/* ---------- Main column + Topbar ---------- */
.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    height: 100vh;
    overflow-y: auto;
}

.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-breadcrumb {
    font-weight: 600;
    color: var(--color-ink);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-breadcrumb .crumb-sep {
    color: var(--color-ink-faint);
    font-weight: 400;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.clock-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #EAF1FF;
    color: #2F6FED;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    font-family: var(--font-mono);
}

.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
    background: var(--color-surface);
    padding: 7px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background-color 0.15s ease;
}

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

@media (max-width: 860px) {
    .sidebar { display: none; }
    .app-main { width: 100%; }
    .topbar { padding: 14px 18px; }
}

/* ---------- Page container ---------- */
.page {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 32px 96px;
    width: 100%;
}

.page-wide {
    max-width: 1080px;
}

.app-footer {
    margin-top: 32px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-ink-faint);
    border-top: 1px solid var(--color-border-soft);
}

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 8px;
    color: var(--color-ink);
}

h1 { font-size: 1.75rem; letter-spacing: -0.01em; }
h2 { font-size: 1.25rem; margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--color-border-soft); }
h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
h3 { font-size: 1.02rem; }

p { margin: 0 0 16px; }

.lede {
    color: var(--color-ink-soft);
    font-size: 1.05rem;
    margin-bottom: 32px;
    max-width: 62ch;
}

/* ---------- Step indicator ---------- */
.steps {
    display: flex;
    list-style: none;
    margin: 0 0 44px;
    padding: 0;
}

.steps li {
    flex: 1;
    position: relative;
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-ink-faint);
    padding-top: 4px;
}

.steps li::before {
    content: '';
    position: absolute;
    top: 15px;
    left: -50%;
    width: 100%;
    height: 1px;
    background: var(--color-border);
    z-index: 0;
}

.steps li:first-child::before { display: none; }

.steps li.done::before,
.steps li.active::before {
    background: var(--color-accent);
}

.steps li .num {
    position: relative;
    z-index: 1;
    display: block;
    width: 30px;
    height: 30px;
    line-height: 28px;
    margin: 0 auto 8px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
}

.steps li.active .num {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.steps li.done .num {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-accent-strong);
}

.steps li.active .label {
    color: var(--color-ink);
    font-weight: 500;
}

.steps li.done .label {
    color: var(--color-ink-soft);
}

/* ---------- Forms ---------- */
fieldset {
    border: none;
    padding: 0;
    margin: 0 0 32px;
}

legend {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0 0 12px;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
}

.field {
    margin-bottom: 20px;
}

.field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.field .hint {
    font-size: 0.82rem;
    color: var(--color-ink-soft);
    margin-top: 4px;
}

.hint { font-size: 0.82rem; color: var(--color-ink-soft); }

input[type="text"],
input[type="date"],
input[type="number"],
input[type="password"],
select {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input::placeholder { color: var(--color-ink-faint); }

input:focus, select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---------- Buttons ---------- */
.actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

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

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

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

.btn-secondary:hover { background: var(--color-accent-soft); border-color: var(--color-accent); }

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.inline-form {
    display: inline-block;
    margin-right: 6px;
}

.icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ---------- Tables / result readouts ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 8px;
}

th, td {
    text-align: left;
    padding: 11px 10px;
    border-bottom: 1px solid var(--color-border-soft);
    font-size: 0.92rem;
}

thead th {
    font-weight: 600;
    color: var(--color-ink-faint);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
}

tbody tr:hover td { background: var(--color-surface-alt); }

td.num, th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.readout {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-raised);
    padding: 28px;
    margin-bottom: 24px;
}

.readout .value {
    font-family: var(--font-mono);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.readout .caption {
    font-size: 0.85rem;
    color: var(--color-ink-soft);
    margin-top: 8px;
}

.badge {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--color-accent-soft);
    color: var(--color-accent-strong);
}

.badge.warn {
    background: var(--color-warn-soft);
    color: var(--color-warn);
}

.badge.neutral {
    background: var(--color-border-soft);
    color: var(--color-ink-soft);
}

.alert {
    background: var(--color-warn-soft);
    border: 1px solid var(--color-warn);
    color: #6B4A22;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 0.92rem;
}

.alert.success {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-accent-strong);
}

.narrative {
    border-left: 3px solid var(--color-accent);
    padding: 4px 0 4px 16px;
    margin-bottom: 24px;
    color: var(--color-ink-soft);
}

.placeholder-note {
    font-size: 0.78rem;
    color: var(--color-warn);
    font-style: italic;
}

/* ---------- Dashboard stat cards ---------- */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.stat-icon-blue { background: #E4EDFF; color: #2F6FED; }
.stat-icon-green { background: #E1F4EA; color: #1E9E5A; }
.stat-icon-yellow { background: #FDF1DA; color: #C4881A; }

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--color-ink);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-ink-soft);
}

/* ---------- Panels (grouped content, no shadow — flat by default) ---------- */
.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

/* ---------- Auth screens (login / setup) ---------- */
body.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    background-image:
        linear-gradient(var(--color-border-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border-soft) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: center;
    padding: 24px;
}

body.auth-body .page {
    max-width: 400px;
    padding: 0;
    margin: 0;
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-raised);
    padding: 40px 36px;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.auth-card h1 {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.auth-card .lede {
    font-size: 0.92rem;
    margin-bottom: 28px;
}

.auth-card .actions {
    margin-top: 28px;
}

.auth-card .actions .btn { width: 100%; justify-content: center; }

/* ---------- Print ---------- */
@media print {
    .sidebar, .topbar, .steps, .no-print { display: none !important; }
    .app-shell { display: block; height: auto; }
    .app-main { background: #fff; height: auto; overflow: visible; }
    body, body.auth-body { background: #fff; height: auto; }
    .page, .page-wide { max-width: none; padding: 0; }
    .readout { box-shadow: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
    .two-col { grid-template-columns: 1fr; }
    .steps li .label { display: none; }
    .page { padding: 24px 16px 64px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}