/* Base */
:root{--gap:16px;--border:#e5e5e5;--bg:#fff;--fg:#111;--muted:#666;--panel:#fafafa}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:var(--bg);color:var(--fg)}
a{color:#1e6fff;text-decoration:none}
a:hover{text-decoration:underline}
header{padding:16px;border-bottom:1px solid #eee;background:#fafafa}
main{padding:24px}
.container{max-width:1200px;margin:0 auto}

/* Navigation */
.nav ul{display:flex;gap:16px;list-style:none;margin:0;padding:0}
.nav a{display:inline-block;padding:4px 6px}

/* Grid and Cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--gap)}
.card{border:1px solid var(--border);border-radius:8px;background:#fff;display:flex;flex-direction:column}
.card h2{margin:0;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--panel);font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.card .body{padding:12px 16px;display:flex;flex-direction:column;gap:10px}
textarea{width:100%;min-height:120px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;padding:8px;border:1px solid var(--border);border-radius:6px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
button{background:#1e6fff;border:0;color:#fff;padding:8px 12px;border-radius:6px;cursor:pointer}
button.secondary{background:#f1f1f1;color:#111}
.status{font-size:12px;color:var(--muted)}
pre{margin:0;padding:12px;border-top:1px solid var(--border);background:#0b1020;color:#d6e7ff;border-bottom-left-radius:8px;border-bottom-right-radius:8px;overflow:auto;max-height:320px}
.card .result{border-top:1px solid var(--border)}
code.badge{background:#eef;padding:2px 6px;border-radius:4px}

/* Tables */
table.table{border-collapse:collapse;width:100%}
.table th,.table td{border:1px solid #e5e5e5;padding:8px;vertical-align:top}
.table th{background:#f7f7f7;text-align:left;white-space:nowrap}
.table-striped tbody tr:nth-child(even){background:#fafafa}

/* Toolbars & meta */
.toolbar{display:flex;gap:16px;align-items:center;margin:12px 0;flex-wrap:wrap}
.pager a{margin:0 6px}
code{background:#f1f1f1;padding:2px 6px;border-radius:4px}