/* DataSONA Agent Control Plane — 자체 CSS (CDN 의존 없음) */
:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-soft: rgba(30, 41, 59, 0.6);
  --border: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --dim: #64748b;
  --indigo: #4f46e5;
  --indigo-hover: #6366f1;
  --indigo-soft: #a5b4fc;
  --green: #34d399;
  --red: #fb7185;
  --amber: #fbbf24;
  --sky: #38bdf8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  min-height: 100vh;
}
a { color: var(--indigo-soft); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* 레이아웃 */
.container { max-width: 1200px; margin: 0 auto; padding: 32px 16px; }
.header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid var(--panel); }
.header h1 { margin: 0; font-size: 22px; display: flex; align-items: center; gap: 10px; }
.header p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.user-chip { display: flex; align-items: center; gap: 8px; padding: 6px 12px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; font-size: 13px; color: #cbd5e1; }
.user-chip strong { color: #fff; font-weight: 500; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 24px 0; }
.stat { background: var(--panel-soft); padding: 16px; border-radius: 12px; border: 1px solid var(--border); }
.stat .label { color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .value.green { color: var(--green); }
.stat .value.red { color: var(--red); }
.stat .value.amber { color: var(--amber); }
.stat .tokens { margin-top: 6px; display: flex; flex-direction: column; gap: 4px; }
.stat .tokens code { color: var(--indigo-soft); font-size: 13px; word-break: break-all; }
.stat .tokens small { color: var(--dim); font-size: 11px; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 0; border-radius: 8px; font-size: 13px; font-weight: 500; color: #fff; cursor: pointer; transition: background 0.15s; line-height: 1.2; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--indigo); }
.btn-primary:hover:not(:disabled) { background: var(--indigo-hover); }
.btn-danger { background: rgba(225, 29, 72, 0.8); }
.btn-danger:hover:not(:disabled) { background: #f43f5e; }
.btn-ghost { background: var(--panel); border: 1px solid var(--border); color: #cbd5e1; }
.btn-ghost:hover:not(:disabled) { background: #273449; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

/* 배너 */
.banner { display: none; margin: 0 0 16px; padding: 10px 14px; border-radius: 8px; font-size: 13px; border: 1px solid; }
.banner.show { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.banner.error { background: rgba(244, 63, 94, 0.1); border-color: rgba(244, 63, 94, 0.3); color: var(--red); }
.banner.warn { background: rgba(251, 191, 36, 0.1); border-color: rgba(251, 191, 36, 0.3); color: var(--amber); }

/* 테이블 */
.table-wrap { background: rgba(30, 41, 59, 0.8); border-radius: 12px; border: 1px solid var(--border); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
thead tr { background: rgba(30, 41, 59, 0.9); color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--border); }
th, td { padding: 14px 16px; vertical-align: middle; }
tbody tr { border-top: 1px solid var(--border); }
tbody tr.agent-row { cursor: pointer; transition: background 0.15s; }
tbody tr.agent-row:hover { background: rgba(51, 65, 85, 0.3); }
tbody tr.detail-row { background: rgba(15, 23, 42, 0.4); }
td.center { text-align: center; color: var(--dim); padding: 28px; }
td.right { text-align: right; }
.chevron { display: inline-block; color: var(--dim); font-size: 11px; transition: transform 0.15s; }
.chevron.open { transform: rotate(90deg); }
.identity .alias { color: var(--text); font-weight: 500; }
.identity .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.version { color: var(--indigo-soft); font-weight: 600; }
.muted { color: var(--muted); font-size: 12px; }

/* 배지 */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; border: 1px solid; white-space: nowrap; }
.badge-online { background: rgba(16, 185, 129, 0.1); color: var(--green); border-color: rgba(16, 185, 129, 0.25); }
.badge-offline { background: rgba(244, 63, 94, 0.1); color: var(--red); border-color: rgba(244, 63, 94, 0.25); }
.badge-pending { background: rgba(56, 189, 248, 0.1); color: var(--sky); border-color: rgba(56, 189, 248, 0.25); }
.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--green); border-color: rgba(16, 185, 129, 0.25); }
.badge-failed { background: rgba(244, 63, 94, 0.1); color: var(--red); border-color: rgba(244, 63, 94, 0.25); }
.badge-expired { background: rgba(251, 191, 36, 0.1); color: var(--amber); border-color: rgba(251, 191, 36, 0.25); }
.badge-none { background: transparent; color: var(--dim); border-color: var(--border); }
.cmd-cell .when { display: block; color: var(--dim); font-size: 11px; margin-top: 3px; }

/* 확장 패널 */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; background: var(--panel-soft); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.detail-grid .field .label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--dim); font-weight: 600; }
.detail-grid .field .value { font-size: 13px; color: #e2e8f0; margin-top: 2px; word-break: break-all; }
.detail-grid .field .value.mono { font-size: 12px; }
.detail-grid .field.wide { grid-column: 1 / -1; }

/* 업데이트 모달 */
.modal-backdrop { position: fixed; inset: 0; background: rgba(2, 6, 23, 0.7); display: none; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal-backdrop.show { display: flex; }
.modal { width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 22px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.modal h2 { margin: 0 0 4px; font-size: 17px; }
.modal .target { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.modal label { display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.modal select, .modal input { width: 100%; padding: 9px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: #fff; font-size: 14px; }
.modal select:focus, .modal input:focus { outline: none; border-color: var(--indigo-hover); }
.modal .hint { font-size: 12px; color: var(--dim); margin-top: 8px; line-height: 1.5; }
.modal .hint.warn { color: var(--amber); }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* 로그인 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: 100%; max-width: 400px; padding: 32px; background: rgba(30, 41, 59, 0.9); border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 25px 50px rgba(0,0,0,0.4); }
.login-card .logo { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 14px; background: rgba(79, 70, 229, 0.2); border: 1px solid rgba(99, 102, 241, 0.3); display: flex; align-items: center; justify-content: center; color: var(--indigo-soft); }
.login-card h1 { margin: 0; font-size: 20px; text-align: center; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin: 4px 0 24px; }
.login-card .field { margin-bottom: 16px; }
.login-card label { display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.login-card input { width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: #fff; font-size: 14px; }
.login-card input:focus { outline: none; border-color: var(--indigo-hover); }
.login-card .btn { width: 100%; justify-content: center; padding: 11px; font-size: 14px; margin-top: 4px; }
.login-card .error { display: none; padding: 10px; margin-bottom: 14px; background: rgba(244, 63, 94, 0.1); border: 1px solid rgba(244, 63, 94, 0.3); border-radius: 8px; color: var(--red); font-size: 13px; text-align: center; }
.login-card .error.show { display: block; }

.icon { width: 1em; height: 1em; fill: currentColor; vertical-align: -0.125em; }
.footer-note { margin-top: 14px; color: var(--dim); font-size: 12px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 640px) {
  th, td { padding: 10px 10px; }
  .hide-sm { display: none; }
}