:root {
  --bg-0: #08131f;
  --bg-1: #0d1e2f;
  --bg-2: #11263a;
  --panel: rgba(14, 27, 40, 0.86);
  --panel-soft: rgba(13, 24, 36, 0.76);
  --line: rgba(147, 223, 255, 0.25);
  --line-strong: rgba(168, 233, 255, 0.56);
  --text: #e8f5ff;
  --muted: #97b6ca;
  --primary: #59d8ff;
  --primary-strong: #2ebce7;
  --accent: #ffd07a;
  --danger: #ff8f8f;
  --success: #66eebf;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-lg: 0 20px 50px rgba(2, 8, 12, 0.46);
  --shadow-md: 0 12px 28px rgba(2, 8, 12, 0.32);
}

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

body {
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans KR", sans-serif;
  background:
    radial-gradient(circle at 110% -6%, rgba(89, 216, 255, 0.18), transparent 34%),
    radial-gradient(circle at -8% 16%, rgba(103, 238, 191, 0.16), transparent 36%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 52%, var(--bg-2));
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(177, 230, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(177, 230, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 10%, #000 38%, transparent 100%);
}

a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.2; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(152, 225, 250, 0.25);
  background: rgba(6, 16, 25, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(152, 225, 250, 0.5);
  background: linear-gradient(145deg, rgba(89, 216, 255, 0.28), rgba(103, 238, 191, 0.22));
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
  gap: 4px;
}

.brand-copy strong {
  font-size: 20px;
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
}

.brand-copy span {
  font-size: 12px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

.top-actions {
  display: flex;
  align-items: end;
  gap: 8px;
}

.key-wrap {
  display: grid;
  gap: 6px;
  min-width: 300px;
}

.key-wrap span {
  font-size: 11px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(153, 225, 250, 0.34);
  background: rgba(8, 20, 30, 0.76);
  color: var(--text);
  padding: 10px 12px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(117, 223, 255, 0.88);
  box-shadow: 0 0 0 3px rgba(89, 216, 255, 0.17);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(155, 226, 250, 0.35);
  background: linear-gradient(180deg, rgba(11, 27, 39, 0.9), rgba(8, 20, 30, 0.9));
  color: #ddf3ff;
  cursor: pointer;
  padding: 9px 13px;
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(137, 219, 244, 0.66);
}

.btn.btn-primary {
  color: #03212f;
  border-color: rgba(132, 231, 255, 0.84);
  background: linear-gradient(135deg, #93edff, #59d8ff);
  font-weight: 700;
}

.btn.btn-danger {
  color: #fff3f3;
  border-color: rgba(255, 150, 150, 0.78);
  background: linear-gradient(145deg, rgba(177, 44, 56, 0.95), rgba(135, 31, 41, 0.95));
}

.btn.btn-accent {
  color: #2f1a00;
  border-color: rgba(255, 216, 141, 0.8);
  background: linear-gradient(145deg, #ffe8a8, #ffcf7c);
  font-weight: 700;
}

.layout {
  width: min(1600px, calc(100% - 28px));
  margin: 16px auto 28px;
  display: grid;
  grid-template-columns: 290px 1fr 420px;
  gap: 14px;
}

.pane {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-md);
  min-height: 78vh;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
}

.pane-head {
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(151, 225, 252, 0.16);
}

.pane-head h2 {
  font-size: 18px;
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
}

.pane-head p {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.toolbar,
.summary,
.global-actions {
  padding: 12px 16px;
}

.summary {
  font-size: 12px;
  color: #b9daec;
  border-bottom: 1px solid rgba(151, 225, 252, 0.13);
}

.muted {
  color: var(--muted);
}

.docs-list {
  overflow: auto;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.doc-item {
  border-radius: 12px;
  border: 1px solid rgba(149, 219, 246, 0.24);
  background: rgba(10, 22, 33, 0.72);
  padding: 10px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.doc-item:hover,
.doc-item.active {
  border-color: rgba(141, 221, 250, 0.62);
  background: rgba(18, 35, 50, 0.9);
}

.doc-item strong {
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

.doc-item span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

.viewer-pane {
  grid-template-rows: auto 1fr;
}

.viewer-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.doc-viewer {
  overflow: auto;
  padding: 22px;
  line-height: 1.68;
}

.doc-viewer.empty {
  display: grid;
  place-items: center;
  color: var(--muted);
}

.doc-viewer h1,
.doc-viewer h2,
.doc-viewer h3,
.doc-viewer h4 {
  margin-top: 1.1em;
  margin-bottom: 0.4em;
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
}

.doc-viewer p {
  margin: 0.45em 0;
}

.doc-viewer ul,
.doc-viewer ol {
  margin: 0.5em 0 0.9em;
  padding-left: 1.2em;
}

.doc-viewer code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92em;
  background: rgba(16, 29, 42, 0.84);
  border: 1px solid rgba(154, 224, 249, 0.25);
  border-radius: 7px;
  padding: 2px 5px;
}

.doc-viewer pre {
  background: rgba(7, 18, 29, 0.92);
  border: 1px solid rgba(154, 224, 249, 0.25);
  border-radius: 12px;
  padding: 12px;
  overflow: auto;
}

.doc-viewer pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.doc-viewer table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 14px;
}

.doc-viewer th,
.doc-viewer td {
  border: 1px solid rgba(152, 224, 251, 0.22);
  padding: 8px 10px;
  text-align: left;
}

.doc-viewer blockquote {
  margin: 1em 0;
  border-left: 3px solid rgba(140, 220, 248, 0.55);
  padding: 6px 12px;
  color: #b6d6ea;
  background: rgba(17, 31, 44, 0.76);
}

.global-actions {
  display: grid;
  gap: 8px;
  border-bottom: 1px solid rgba(151, 225, 252, 0.16);
}

.services-list {
  overflow: auto;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.service-card {
  border-radius: 14px;
  border: 1px solid rgba(151, 225, 252, 0.25);
  background: var(--panel-soft);
  box-shadow: var(--shadow-md);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.service-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.service-head strong {
  font-size: 15px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid rgba(151, 225, 252, 0.32);
  background: rgba(13, 26, 40, 0.78);
  color: #cdeafa;
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  padding: 4px 8px;
}

.badge.success {
  border-color: rgba(106, 237, 190, 0.56);
  color: #adffe0;
}

.badge.warn {
  border-color: rgba(255, 211, 132, 0.6);
  color: #ffe4aa;
}

.service-meta {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: #bad8ea;
}

.table-mini {
  display: grid;
  gap: 4px;
  max-height: 140px;
  overflow: auto;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid rgba(147, 223, 255, 0.2);
  background: rgba(9, 20, 30, 0.65);
}

.table-mini .row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  color: #bedced;
}

.service-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.service-actions .btn {
  min-height: 36px;
  padding: 7px 8px;
  font-size: 12px;
}

.log-panel {
  border-top: 1px solid rgba(151, 225, 252, 0.14);
  padding: 12px 16px 16px;
  display: grid;
  gap: 8px;
}

.log-panel h3 {
  font-size: 14px;
}

.log-box {
  min-height: 110px;
  max-height: 180px;
  overflow: auto;
  border-radius: 10px;
  border: 1px solid rgba(151, 225, 252, 0.2);
  background: rgba(8, 18, 28, 0.78);
  padding: 10px;
  display: grid;
  gap: 6px;
}

.log-item {
  font-size: 12px;
  color: #c7e5f6;
  font-family: "JetBrains Mono", monospace;
  line-height: 1.45;
}

.log-item.error { color: #ffadad; }
.log-item.success { color: #b6ffdf; }
.log-item.warn { color: #ffe2a2; }

@media (max-width: 1440px) {
  .layout {
    grid-template-columns: 260px 1fr 360px;
  }
}

@media (max-width: 1180px) {
  .topbar {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }

  .top-actions {
    flex-wrap: wrap;
    align-items: stretch;
  }

  .key-wrap {
    min-width: 240px;
    flex: 1;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .pane {
    min-height: 420px;
  }

  .ops-pane {
    min-height: 640px;
  }
}