:root {
    --bg: #faf8f4;
    --bg-glow: radial-gradient(1100px 480px at 8% -10%, rgba(255, 111, 61, 0.07), transparent 60%),
                radial-gradient(900px 480px at 100% 0%, rgba(255, 176, 32, 0.06), transparent 55%);
    --panel: #ffffff;
    --panel-soft: #fffdfb;
    --surface: #ffffff;
    --surface-recessed: #fcfbf8;
    --hover: #faf8f4;
    --border: #eae6dc;
    --border-strong: #ddd7c9;
    --text: #1c1d20;
    --text-dim: #55575c;
    --muted: #8a8b8f;
    --accent: #ff5a36;
    --accent-2: #ffb020;
    --accent-soft: rgba(255, 90, 54, 0.10);
    --accent-2-soft: rgba(255, 176, 32, 0.08);
    --accent-border: rgba(255, 90, 54, 0.2);
    --success: #16a34a;
    --success-soft: rgba(22, 163, 74, 0.10);
    --danger: #e0393e;
    --danger-soft: rgba(224, 57, 62, 0.08);
    --warning: #b8860b;
    --warning-soft: rgba(184, 134, 11, 0.10);
    --code-bg: #1c1e24;
    --code-panel: #22252c;
    --code-border: #33363f;
    --code-text: #e7e9ee;
    --code-muted: #9a9daa;
    --radius-sm: 7px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(30, 25, 15, 0.05);
    --shadow-md: 0 16px 36px rgba(30, 25, 15, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
    --bg: #16140f;
    --bg-glow: radial-gradient(1100px 480px at 8% -10%, rgba(255, 111, 61, 0.10), transparent 60%),
                radial-gradient(900px 480px at 100% 0%, rgba(255, 176, 32, 0.07), transparent 55%);
    --panel: #211e19;
    --panel-soft: #241f1a;
    --surface: #211e19;
    --surface-recessed: #1a1712;
    --hover: #2a251e;
    --border: #362f26;
    --border-strong: #493f31;
    --text: #f5f1e9;
    --text-dim: #c9c1b3;
    --muted: #928a7a;
    --accent: #ff7a52;
    --accent-2: #ffc247;
    --accent-soft: rgba(255, 122, 82, 0.16);
    --accent-2-soft: rgba(255, 194, 71, 0.10);
    --accent-border: rgba(255, 122, 82, 0.32);
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.15);
    --danger: #f2696e;
    --danger-soft: rgba(242, 105, 110, 0.15);
    --warning: #e0b23d;
    --warning-soft: rgba(224, 178, 61, 0.15);
    --code-bg: #131417;
    --code-panel: #1a1c21;
    --code-border: #2c2f38;
    --code-text: #e7e9ee;
    --code-muted: #9a9daa;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 16px 36px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

body {
    margin: 0;
    background:
        var(--bg-glow),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.2s ease, color 0.2s ease;
}

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

::selection { background: var(--accent-soft); }

/* ---------- topbar ---------- */

.topbar {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.hub-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    color: var(--muted);
    transition: color 0.15s, background 0.15s;
}

.hub-link:hover { color: var(--accent); background: var(--hover); }
.hub-link svg { width: 17px; height: 17px; }

.topbar-divider { width: 1px; height: 22px; background: var(--border); }

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-dim);
    cursor: pointer;
    flex-shrink: 0;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    width: fit-content;
}

.brand-mark svg { width: 30px; height: 30px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-weight: 650; font-size: 15px; color: var(--text); letter-spacing: -0.01em; }
.brand-tagline { font-size: 12px; color: var(--muted); }

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
}

.topbar-nav a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-dim);
    font-size: 13.5px;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: 999px;
    transition: color 0.15s, background 0.15s;
}

.topbar-nav a:hover { color: var(--text); background: var(--hover); }
.topbar-nav a.is-active { color: var(--accent); background: var(--accent-soft); }

/* ---------- layout ---------- */

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

h1 { font-size: 24px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 0 0 4px; letter-spacing: -0.01em; }
h3 { font-size: 14px; margin: 0 0 4px; }

.muted { color: var(--muted); font-size: 14px; }

.eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
}

/* ---------- panels ---------- */

.panel {
    background: linear-gradient(180deg, var(--panel-soft), var(--panel));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.panel-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.count-pill {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    background: var(--border);
    border-radius: 999px;
    padding: 1px 9px;
}

.grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 20px;
    margin-top: 24px;
    align-items: start;
}

@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr; }
}

/* ---------- empty state ---------- */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim);
}

.empty-icon { display: inline-flex; color: var(--muted); margin-bottom: 12px; }
.empty-icon svg { width: 44px; height: 44px; }
.empty-state p { margin: 4px 0; }

/* ---------- status badges ---------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    border-radius: 999px;
    padding: 3px 10px;
    white-space: nowrap;
}

.badge-dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; flex-shrink: 0; }

.badge-not_started { background: var(--border); color: var(--text-dim); }
.badge-in_progress { background: var(--accent-soft); color: var(--accent); }
.badge-blocked { background: var(--danger-soft); color: var(--danger); }
.badge-done { background: var(--success-soft); color: var(--success); }

.badge-active { background: var(--accent-soft); color: var(--accent); }
.badge-live { background: var(--success-soft); color: var(--success); }
.badge-archived { background: var(--border); color: var(--text-dim); }

/* ---------- project dashboard cards ---------- */

.project-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
}

.project-card {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 4px;
    transition: border-color 0.15s, box-shadow 0.15s, background-color 0.2s ease;
}

.project-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }

.project-card-main {
    flex: 1;
    display: block;
    text-decoration: none;
    color: var(--text);
    padding: 12px 14px;
    min-width: 0;
}

.project-card-top {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.project-name { font-weight: 600; font-size: 15px; }

.project-meta {
    margin: 0 0 10px;
    font-size: 12.5px;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.progress-row { display: flex; align-items: center; gap: 10px; }

.progress-track {
    flex: 1;
    height: 6px;
    border-radius: 999px;
    background: var(--border);
    overflow: hidden;
}

.progress-track-lg { height: 8px; width: 160px; }

.progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width 0.35s ease;
}

.progress-label { font-size: 12px; color: var(--muted); white-space: nowrap; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    flex-shrink: 0;
    margin-right: 6px;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.icon-btn svg { width: 16px; height: 16px; }
.icon-btn-danger:hover { color: var(--danger); background: var(--danger-soft); border-color: transparent; }

.inline-form { display: contents; }

/* ---------- forms ---------- */

.form-intro { margin: 6px 0 16px; }

.stack { display: flex; flex-direction: column; gap: 16px; }

.field-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px 14px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-recessed);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.field-group-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: -2px;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px;
    color: var(--text-dim);
}

input[type="text"], input[type="search"], select, textarea {
    background: var(--surface-recessed);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 9px 11px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s, background-color 0.2s ease;
}

input[type="text"]:focus, input[type="search"]:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea {
    font-family: var(--font-mono);
    font-size: 13px;
    width: 100%;
    resize: vertical;
    line-height: 1.55;
}

select { cursor: pointer; }

.checkbox-row { display: flex; align-items: center; gap: 8px; flex-direction: row; font-size: 13px; color: var(--text); }
.checkbox-row input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }

.checkbox-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; }
@media (max-width: 560px) { .checkbox-grid { grid-template-columns: 1fr; } }

/* ---------- buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.1s ease, filter 0.15s ease, background 0.15s ease;
}

.btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.btn:active { transform: translateY(1px); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    box-shadow: 0 6px 16px rgba(255, 90, 54, 0.28);
}

.btn-primary:hover { filter: brightness(1.06); }

.btn-secondary {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid rgba(22, 163, 74, 0.25);
}

.btn-secondary:hover { background: rgba(22, 163, 74, 0.16); }

.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); color: var(--text); }

/* ---------- project page header ---------- */

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    text-decoration: none;
    color: var(--muted);
    margin-bottom: 10px;
}

.back-link:hover { color: var(--accent); }
.back-link svg { width: 13px; height: 13px; }

.project-title-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.project-title-row form { display: inline-flex; }
.project-title-row select { font-size: 12px; padding: 4px 8px; }

.progress-summary { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }

.project-meta-row { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.project-meta-row span strong { color: var(--text); font-weight: 600; }

/* ---------- phase checklist ---------- */

.phase-list {
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 6px;
    box-shadow: var(--shadow-sm);
}

.phase-row {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    font-size: 13px;
}

.phase-row:hover { background: var(--hover); }
.phase-row.active { background: var(--accent-soft); }

.phase-row-num {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10.5px;
    font-weight: 700;
    background: var(--surface-recessed);
    border: 1px solid var(--border-strong);
    color: var(--text-dim);
}

.phase-row.active .phase-row-num { border-color: var(--accent); color: var(--accent); }

.phase-row-status-dot { width: 8px; height: 8px; border-radius: 999px; flex-shrink: 0; background: var(--border-strong); }
.phase-row-status-dot.status-in_progress { background: var(--accent); }
.phase-row-status-dot.status-blocked { background: var(--danger); }
.phase-row-status-dot.status-done { background: var(--success); }

.phase-row-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.phase-row.active .phase-row-title { font-weight: 600; }

/* ---------- phase detail ---------- */

.phase-detail h2 { margin-bottom: 6px; }

.callout {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin: 16px 0;
    color: var(--text-dim);
    font-size: 13px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.callout svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.callout p { margin: 0; line-height: 1.5; }
.callout strong { color: var(--text); }

.prompt-box {
    border: 1px solid var(--code-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--code-bg);
    box-shadow: var(--shadow-md);
}

.prompt-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    background: var(--code-panel);
    border-bottom: 1px solid var(--code-border);
}

.prompt-toolbar-label {
    font-size: 12px;
    color: var(--code-muted);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prompt-toolbar-actions { display: flex; align-items: center; gap: 8px; }

.prompt-box textarea {
    border: none;
    border-radius: 0;
    background: transparent;
    display: block;
    width: 100%;
    color: var(--code-text);
}

.prompt-box textarea:focus { box-shadow: none; }

.prompt-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    background: var(--code-panel);
    border-top: 1px solid var(--code-border);
}

.forked-note { font-size: 11.5px; color: var(--code-muted); font-family: var(--font-mono); }

.status-form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin: 16px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 20px 0 8px;
}

/* ---------- field notes ---------- */

.tag-pill {
    display: inline-flex;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    background: var(--border);
    border-radius: 999px;
    padding: 2px 9px;
}

.field-note-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    box-shadow: var(--shadow-sm);
}

.field-note-card + .field-note-card { margin-top: 10px; }

.field-note-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.field-note-title { font-weight: 600; font-size: 14.5px; margin: 0; }
.field-note-body { font-size: 13.5px; color: var(--text-dim); margin: 8px 0; line-height: 1.55; }

.field-note-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.field-note-phases { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.phase-chip {
    display: inline-flex;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 2px 9px;
    text-decoration: none;
}

.filter-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.filter-bar input[type="search"] { flex: 1; min-width: 180px; }
.filter-bar select { min-width: 160px; }

.small-notes-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }

/* ---------- AI search ---------- */

.ai-search-box {
    background: linear-gradient(160deg, var(--accent-soft), var(--accent-2-soft));
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: 16px;
}

.ai-search-form {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.ai-search-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    flex-direction: row;
}

.ai-search-label svg { width: 15px; height: 15px; }

.ai-search-form input[type="text"] {
    flex: 1;
    min-width: 180px;
    background: var(--surface);
}

.ai-search-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--text-dim);
}

.ai-search-hint code {
    font-family: var(--font-mono);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 5px;
}

.ai-reason {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font-size: 12.5px;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 8px;
    padding: 6px 9px;
    margin: 8px 0;
}

.ai-reason svg { width: 13px; height: 13px; flex-shrink: 0; margin-top: 1px; }

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

.ai-suggested-block {
    margin-top: 10px;
    padding: 10px 12px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-md);
}

.ai-suggest-status { margin: 0; font-size: 12.5px; color: var(--text-dim); }
.ai-suggest-status-error { color: var(--danger); }
.ai-suggest-status-success { color: var(--success); }

.ai-prefill-block {
    margin-bottom: 18px;
    padding: 12px 14px 14px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-md);
}

.ai-prefill-label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.ai-prefill-block textarea {
    width: 100%;
    resize: vertical;
    margin-bottom: 8px;
}

.ai-prefill-block .ai-suggest-status { margin-top: 8px; }

/* ---------- AI badge ---------- */

.brand-title-row { display: flex; align-items: center; gap: 7px; }

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 999px;
    padding: 2px 7px 2px 6px;
    text-transform: uppercase;
    white-space: nowrap;
}

.ai-badge svg { width: 9px; height: 9px; }