:root {
    --bg: #0f1419;
    --panel: #1a2029;
    --panel2: #222a35;
    --text: #e6e6e6;
    --muted: #8a96a6;
    --critical: #d32f2f;
    --error: #f57c00;
    --warning: #fbc02d;
    --ok: #43a047;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, "Microsoft JhengHei", sans-serif;
    font-size: 14px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: var(--panel);
    border-bottom: 1px solid #2c3543;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 18px; margin: 0; font-weight: 600; }

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.online { background: var(--ok); }
.dot.offline { background: var(--critical); }

.counters { display: flex; gap: 10px; }
.counter {
    padding: 4px 12px;
    border-radius: 16px;
    background: var(--panel2);
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
}
.counter b { margin-left: 4px; }
.counter.critical { color: var(--critical); }
.counter.error { color: var(--error); }
.counter.warning { color: var(--warning); }
.counter.active { border-color: currentColor; }

.filters { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.filters select, .filters button {
    background: var(--panel2);
    color: var(--text);
    border: 1px solid #333d4b;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 13px;
    cursor: pointer;
}
.filters button.enabled { border-color: var(--ok); color: var(--ok); }

.alerts { padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }

.card {
    background: var(--panel);
    border-left: 5px solid var(--muted);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.35);
}
.card.critical { border-left-color: var(--critical); }
.card.error { border-left-color: var(--error); }
.card.warning { border-left-color: var(--warning); }

.card.flash { animation: flash 1.2s ease-out; }
@keyframes flash {
    from { background: #2e3a2a; }
    to { background: var(--panel); }
}

.card .row1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    color: #fff;
    background: var(--muted);
}
.badge.critical { background: var(--critical); }
.badge.error { background: var(--error); }
.badge.warning { background: var(--warning); color: #2a2a00; }

.code { font-weight: 700; color: #cfe0ff; }
.app { background: var(--panel2); padding: 1px 8px; border-radius: 10px; font-size: 12px; color: #9fd0ff; }
.time { margin-left: auto; color: var(--muted); font-size: 12px; }

.msg { margin: 6px 0 2px; }
.meta { color: var(--muted); font-size: 12px; display: flex; gap: 14px; flex-wrap: wrap; }
.exc { margin-top: 8px; }
.exc summary { cursor: pointer; color: var(--muted); }
.exc pre {
    margin: 6px 0 0;
    padding: 10px;
    background: #11161c;
    border-radius: 6px;
    overflow: auto;
    max-height: 240px;
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-all;
}

.empty { text-align: center; color: var(--muted); padding: 40px; }
.hidden { display: none !important; }

/* 專案設定頁 */
.navlink { color: #9fd0ff; text-decoration: none; padding: 6px 10px; }
.settings { padding: 16px 20px; }
.proj-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.proj-table th, .proj-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #2c3543; }
.proj-table th { color: var(--muted); font-weight: 600; }
.proj-table .mono { font-family: monospace; color: #9fd0ff; }
.proj-table .muted { color: var(--muted); text-align: center; }
.row-actions { white-space: nowrap; }
.btn-edit, .btn-del, .btn-save, .btn-reset {
    background: var(--panel2); color: var(--text); border: 1px solid #333d4b;
    border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 13px; margin-right: 4px;
}
.btn-del { color: var(--critical); }
.btn-save { border-color: var(--ok); color: var(--ok); }
.proj-form { display: flex; flex-direction: column; gap: 10px; max-width: 640px; background: var(--panel); padding: 16px; border-radius: 8px; }
.proj-form label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.proj-form label.chk { flex-direction: row; align-items: center; gap: 8px; }
.proj-form input:not([type=checkbox]):not([type=hidden]), .proj-form select {
    background: var(--panel2); color: var(--text); border: 1px solid #333d4b; border-radius: 6px; padding: 7px 10px; font-size: 14px;
}
.proj-form .req { color: var(--critical); margin-right: 2px; }
.form-actions { display: flex; gap: 8px; margin-top: 6px; }