/* Grandmaster Cluster Dashboard */
:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --blue: #58a6ff;
    --purple: #bc8cff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background: var(--bg);
    color: var(--text);
    padding: 16px;
    line-height: 1.5;
}

h1 { color: var(--blue); margin-bottom: 4px; font-size: 1.4em; }
h2 { color: var(--purple); margin: 16px 0 8px; font-size: 1.1em; }
h3 { color: var(--text-dim); font-size: 0.95em; margin-bottom: 4px; }

.header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 16px;
}
.header .ts { color: var(--text-dim); font-size: 0.85em; }

/* Grid layout */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.full-width { grid-column: 1 / -1; }

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
}
.card.online { border-left: 3px solid var(--green); }
.card.offline { border-left: 3px solid var(--red); }
.card.training { border-left: 3px solid var(--yellow); }
.card.idle { border-left: 3px solid var(--text-dim); }

/* Status badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: bold;
}
.badge.online { background: #1a3a1a; color: var(--green); }
.badge.offline { background: #3a1a1a; color: var(--red); }
.badge.training { background: #3a2a0a; color: var(--yellow); }
.badge.idle { background: #1a1a2a; color: var(--text-dim); }

/* Log viewer */
.log-box {
    background: #010409;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px;
    font-size: 0.82em;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-dim);
}

/* Markdown viewer */
.md-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 12px;
    font-size: 0.85em;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85em;
    transition: border-color 0.15s;
}
.btn:hover { border-color: var(--blue); }
.btn.primary { background: #1a3a5a; border-color: var(--blue); }
.btn.danger { background: #3a1a1a; border-color: var(--red); }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

/* Command input */
.cmd-input {
    width: 100%;
    background: #010409;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 10px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.85em;
    margin-top: 6px;
}
.cmd-input:focus { outline: none; border-color: var(--blue); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.85em; }
th { text-align: left; color: var(--text-dim); border-bottom: 1px solid var(--border); padding: 4px 8px; }
td { padding: 4px 8px; border-bottom: 1px solid #21262d; }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.tab {
    padding: 8px 16px;
    cursor: pointer;
    color: var(--text-dim);
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Loading spinner */
.loading { color: var(--text-dim); font-style: italic; }

/* Responsive */
@media (max-width: 900px) {
    .grid, .grid-3 { grid-template-columns: 1fr; }
}