:root {
  --bg: #0f1115;
  --bg-panel: #161923;
  --bg-input: #1e2230;
  --border: #2a2f3f;
  --text: #e4e6eb;
  --text-dim: #9aa0ac;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --error: #f87171;
  --mono: 'Consolas', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
}

.session-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  color: var(--text-dim);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge.filled {
  color: var(--success);
  border-color: var(--success);
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--text);
  border-bottom: 2px solid var(--accent);
}

main {
  padding: 20px 24px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.columns {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  align-items: start;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 16px;
  background: var(--bg-panel);
}

legend {
  padding: 0 6px;
  font-weight: 600;
  color: var(--text-dim);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin: 10px 0 4px;
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}

textarea {
  resize: vertical;
  font-family: var(--mono);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--mono);
  color: var(--text);
}

.checkbox-label input {
  width: auto;
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s;
}

.btn:hover {
  background: #262b3a;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}

.btn-small {
  padding: 4px 10px;
  font-size: 11px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.col-log {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
}

.log-header,
.debug-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.log-header h2,
.debug-header h2 {
  margin: 0;
  font-size: 15px;
}

.log-area {
  flex: 1;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 12px;
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
}

.log-line {
  padding: 6px 0;
  border-bottom: 1px solid #1c2030;
  white-space: pre-wrap;
  word-break: break-word;
}

.log-line:last-child {
  border-bottom: none;
}

.log-time {
  color: var(--text-dim);
}

.log-line.ok .log-tag {
  color: var(--success);
}

.log-line.err .log-tag {
  color: var(--error);
}

.log-tag {
  font-weight: 700;
}

.debug-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.debug-entry {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.debug-entry-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.debug-method {
  font-family: var(--mono);
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.debug-url {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  flex: 1;
  word-break: break-all;
}

.debug-status {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
}

.debug-status.ok {
  color: var(--success);
}

.debug-status.err {
  color: var(--error);
}

.debug-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
}

.debug-entry-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.debug-block h4 {
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.debug-block pre {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font-size: 11px;
  overflow-x: auto;
  max-height: 220px;
  overflow-y: auto;
  margin: 0;
}

@media (max-width: 900px) {
  .columns {
    grid-template-columns: 1fr;
  }
  .debug-entry-body {
    grid-template-columns: 1fr;
  }
  .col-log {
    height: 400px;
  }
}