:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --ink: #1f2430;
    --muted: #6b7280;
    --line: #e3e6eb;
    --idle: #9aa3af;
    --working: #d97706;
    --done: #15803d;
    --error: #b91c1c;
    --offline: #6b7280;
    --accent: #1d4ed8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px 16px 64px;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
    max-width: 860px;
    margin: 0 auto;
}

main.narrow {
    max-width: 380px;
    margin-top: 8vh;
}

body.centered {
    display: block;
}

h1 {
    font-size: 20px;
    margin: 0;
}

h2 {
    font-size: 15px;
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}

/* --- status card ------------------------------------------------------- */

.state {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    border-left: 5px solid var(--idle);
}

.state .dot {
    width: 10px;
    height: 10px;
    margin-top: 6px;
    border-radius: 50%;
    background: var(--idle);
    flex: 0 0 auto;
}

.state-idle { border-left-color: var(--idle); }
.state-idle .dot { background: var(--idle); }
.state-working { border-left-color: var(--working); }
.state-working .dot { background: var(--working); animation: pulse 1.4s ease-in-out infinite; }
.state-done { border-left-color: var(--done); }
.state-done .dot { background: var(--done); }
.state-error { border-left-color: var(--error); }
.state-error .dot { background: var(--error); }
.state-offline { border-left-color: var(--offline); }
.state-offline .dot { background: var(--offline); }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .35; transform: scale(1.35); }
}

.state-body { flex: 1 1 auto; }
.state-line { margin: 0 0 4px; }
.state-line strong { margin-right: 8px; }
.state-meta { margin: 0; color: var(--muted); font-size: 13px; }
.state-meta > span { margin-right: 14px; white-space: nowrap; }
.state-meta .stale { color: var(--error); }
.state-meta .alive { color: var(--done); }

/* --- form -------------------------------------------------------------- */

.compose textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    resize: vertical;
}

.compose-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--muted);
}

input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
}

button {
    padding: 9px 16px;
    border: 0;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    cursor: pointer;
}

button:hover { filter: brightness(1.06); }

button.link {
    background: none;
    color: var(--muted);
    padding: 4px 6px;
    text-decoration: underline;
}

.logout { margin: 0; }

/* --- banners ----------------------------------------------------------- */

.banner {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    margin: 0 0 16px;
}

.banner.ok { background: #e7f6ec; color: #14532d; }
.banner.err { background: #fdeaea; color: #7f1d1d; }
.banner.warn { background: #fdf4e3; color: #78350f; }

/* --- tasks ------------------------------------------------------------- */

.count { color: var(--muted); font-weight: 400; }

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

.task {
    border-top: 1px solid var(--line);
    padding: 8px 0;
}

.task:first-child { border-top: 0; }

.task summary {
    cursor: pointer;
    display: flex;
    gap: 10px;
    align-items: baseline;
}

.badge {
    flex: 0 0 auto;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 999px;
    background: #eceef2;
    color: #374151;
}

.task-pending .badge { background: #eceef2; color: #374151; }
.task-claimed .badge { background: #e0e7ff; color: #3730a3; }
.task-working .badge { background: #fef3c7; color: #92400e; }
.task-done .badge { background: #dcfce7; color: #166534; }
.task-failed .badge { background: #fee2e2; color: #991b1b; }
.task-note .badge { background: #eef2ff; color: #4338ca; }

.when { flex: 0 0 auto; color: var(--muted); font-size: 13px; }
.excerpt { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.task-body { padding: 10px 0 4px; }

pre {
    margin: 8px 0;
    padding: 12px;
    border-radius: 8px;
    background: #f8f9fb;
    border: 1px solid var(--line);
    font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

pre.result { background: #f3f7ff; border-color: #dbe4f6; }

.muted { color: var(--muted); font-size: 13px; margin: 0 0 4px; }

code {
    font: 13px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    background: #f1f2f5;
    padding: 1px 5px;
    border-radius: 4px;
}

.foot {
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--muted);
}