/* Minimal system-font styling. Function over form; room to grow. */

:root {
    --fg: #1a1a1a;
    --fg-muted: #6b6b6b;
    --bg: #fafafa;
    --bg-card: #ffffff;
    --accent: #4f46e5;
    --accent-fg: #ffffff;
    --border: #e5e7eb;
    --danger: #dc2626;
    --success: #059669;
    --code-bg: #f3f4f6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: var(--bg);
    line-height: 1.5;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.site-header .logo {
    font-weight: 600;
    color: var(--fg);
    text-decoration: none;
    font-size: 1.1rem;
}

.site-header nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.site-header nav a {
    color: var(--fg-muted);
    text-decoration: none;
}

.site-header nav a:hover {
    color: var(--fg);
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

h1 {
    font-size: 1.5rem;
    margin-top: 0;
}

label {
    display: block;
    margin: 0.75rem 0;
    font-size: 0.9rem;
    color: var(--fg-muted);
}

label input,
label textarea,
label select {
    display: block;
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
    color: var(--fg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-top: 0.25rem;
    font-family: inherit;
}

.button, button.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--fg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

.button.primary, button.primary {
    color: var(--accent-fg);
    background: var(--accent);
    border-color: var(--accent);
}

.button:hover, button.button:hover {
    border-color: var(--fg-muted);
}

.button.primary:hover, button.primary:hover {
    filter: brightness(1.05);
}

.link-button {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
}

.link-button.danger {
    color: var(--danger);
}

.inline-form {
    display: inline;
    margin: 0;
}

.card {
    background: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    max-width: 480px;
}

.hint {
    color: var(--fg-muted);
    font-size: 0.85rem;
}

.error {
    padding: 0.5rem 0.75rem;
    background: #fee2e2;
    color: var(--danger);
    border-radius: 4px;
    font-size: 0.9rem;
}

.notice {
    padding: 0.5rem 0.75rem;
    background: #d1fae5;
    color: var(--success);
    border-radius: 4px;
    font-size: 0.9rem;
}

.hero {
    padding: 3rem 0;
}

.task-list {
    list-style: none;
    padding: 0;
}

.task {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 0.75rem;
}

.task.task-done .task-title {
    text-decoration: line-through;
    color: var(--fg-muted);
}

.task-status {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    background: var(--code-bg);
    color: var(--fg-muted);
    margin-right: 0.5rem;
    text-transform: uppercase;
}

.task-tags .tag {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    background: #eef2ff;
    color: var(--accent);
    border-radius: 3px;
    margin-left: 0.25rem;
}

.task-cron {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.8rem;
    color: var(--fg-muted);
    margin-left: 0.5rem;
}

.task-description {
    margin: 0.5rem 0;
    color: var(--fg);
}

.task footer {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.75rem;
}

.task.task-edit {
    background: #fffbeb;
}

.task.task-edit .schedule-form {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.new-task {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.new-task summary {
    cursor: pointer;
    font-weight: 600;
}

.empty {
    color: var(--fg-muted);
    font-style: italic;
    padding: 2rem;
    text-align: center;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.search-form input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.memory-results {
    list-style: none;
    padding: 0;
}

.memory-results li {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 0.75rem;
}

.memory-results h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
}

.memory-content {
    background: var(--code-bg);
    padding: 0.75rem;
    border-radius: 4px;
    white-space: pre-wrap;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.85rem;
    max-height: 300px;
    overflow: auto;
}

.row {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* ── Topics / Findings (post-pivot UI) ───────────────────────────── */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.topic-grid {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.topic-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.1s;
}

.topic-card:hover {
    border-color: var(--accent);
}

.topic-card.paused {
    opacity: 0.7;
}

.topic-link {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: var(--fg);
}

.topic-link h2 {
    font-size: 1.1rem;
    margin: 0 0 0.25rem 0;
}

.topic-link header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.topic-status {
    font-size: 0.75rem;
    color: var(--fg-muted);
    text-transform: uppercase;
}

.topic-cron {
    font-size: 0.8rem;
    color: var(--fg-muted);
    margin: 0.25rem 0;
}

.topic-description {
    font-size: 0.9rem;
    color: var(--fg);
    margin: 0.5rem 0;
}

.topic-link footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.topic-header {
    margin-bottom: 1.5rem;
}

.topic-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-weight: 600;
}

.badge-unread {
    background: var(--accent);
    color: var(--accent-fg);
}

.finding-list {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.finding-card {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 0.75rem;
}

.finding-card.unread {
    border-left: 3px solid var(--accent);
}

.finding-card header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
}

.finding-title {
    font-weight: 600;
    color: var(--fg);
    text-decoration: none;
    font-size: 1rem;
}

.finding-title:hover {
    color: var(--accent);
}

.finding-meta {
    font-size: 0.8rem;
    color: var(--fg-muted);
    margin: 0.25rem 0 0.5rem 0;
}

.finding-summary {
    margin: 0.5rem 0;
    color: var(--fg);
    line-height: 1.5;
}

.source-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.source-list li {
    display: inline-block;
}

.source-list a {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    background: var(--code-bg);
    color: var(--accent);
    border-radius: 999px;
    text-decoration: none;
    max-width: 420px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

.source-list a:hover {
    background: #e0e7ff;
}

.source-list-detailed {
    list-style: none;
    padding: 0;
}

.source-list-detailed li {
    padding: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.source-snippet {
    font-size: 0.85rem;
    color: var(--fg);
    margin: 0.25rem 0;
}

/* ── Chat ────────────────────────────────────────────────────────── */

.chat-shell {
    max-width: 760px;
}

.chat-log {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-msg {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    max-width: 90%;
}

.chat-msg-user {
    align-self: flex-end;
}

.chat-msg-assistant {
    align-self: flex-start;
}

.chat-role {
    font-size: 0.7rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-msg-user .chat-role {
    text-align: right;
}

.chat-body {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    white-space: pre-wrap;
    line-height: 1.55;
}

.chat-msg-user .chat-body {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
}

.chat-input {
    display: flex;
    gap: 0.5rem;
    position: sticky;
    bottom: 0;
    padding: 0.75rem 0;
    background: var(--bg);
}

.chat-input input {
    flex: 1;
    padding: 0.6rem 0.8rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}