:root {
  --bg-desktop: radial-gradient(circle at top, #1f2937 0, #020617 55%, #000 100%);
  --accent: #0ea5e9;
  --accent-2: #6366f1;
  --text-main: #0f172a;
  --text-sub: #6b7280;
  --code-bg: #020617;
  --code-border: #1f2937;
  --log-bg: #020617;
  --log-text: #9ca3af;
  --radius-window: 26px;
  --radius-panel: 18px;
  --shadow-window: 0 40px 90px rgba(0, 0, 0, 0.6);
  --shadow-soft: 0 20px 50px rgba(15, 23, 42, 0.4);
}

/* Dark mode */
body.dark {
  --bg-desktop: radial-gradient(circle at top, #020617 0, #020617 60%, #000 100%);
  --text-main: #e5e7eb;
  --text-sub: #9ca3af;
  --code-bg: #020617;
  --code-border: #1f2937;
  --log-bg: #020617;
  --log-text: #9ca3af;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-desktop);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Helvetica Neue", sans-serif;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

/* Desktop */
.desktop {
  width: 100%;
  max-width: 1100px;
}

/* Window (Sonoma-ish) */
.window {
  width: 100%;
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-window);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.4);
}
.glass {
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  background:
    radial-gradient(circle at top left, rgba(244, 244, 245, 0.9), transparent 55%),
    radial-gradient(circle at bottom right, rgba(191, 219, 254, 0.7), transparent 55%),
    rgba(248, 250, 252, 0.85);
}
body.dark .glass {
  background:
    radial-gradient(circle at top left, rgba(30, 64, 175, 0.6), transparent 55%),
    radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.9), transparent 55%),
    rgba(15, 23, 42, 0.9);
  border-color: rgba(30, 64, 175, 0.7);
}

/* Titlebar */
.titlebar {
  height: 38px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}
.traffic {
  display: flex;
  gap: 6px;
  margin-right: 10px;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.15);
}
.red { background: #ff5f57; }
.yellow { background: #febc2e; }
.green { background: #28c840; }
.title {
  font-size: 12px;
  color: var(--text-sub);
}
.title-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.limit-label {
  font-size: 11px;
  color: var(--text-sub);
}

/* Theme chip */
.chip {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(248, 250, 252, 0.7);
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
}
body.dark .chip {
  background: rgba(15, 23, 42, 0.85);
}

/* Content layout */
.content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
  padding: 16px;
}
.panel {
  border-radius: var(--radius-panel);
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: var(--shadow-soft);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
body.dark .panel {
  background: rgba(15, 23, 42, 0.92);
  border-color: rgba(30, 64, 175, 0.7);
}

/* Text */
.heading {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
}
.sub {
  margin: 0;
  font-size: 12px;
  color: var(--text-sub);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.field label {
  font-size: 12px;
  color: var(--text-sub);
}
.hint {
  font-size: 11px;
  color: var(--text-sub);
}

/* Inputs */
.input,
.select {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(255, 255, 255, 0.9);
  padding: 7px 12px;
  font-size: 12px;
  outline: none;
}
body.dark .input,
body.dark .select {
  background: rgba(15, 23, 42, 0.95);
  color: var(--text-main);
}
.input:focus,
.select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
}

/* Small select */
.small-select {
  max-width: 180px;
  font-size: 11px;
  padding: 4px 10px;
}

/* Inline */
.inline {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* URL list */
.list-header {
  display: grid;
  grid-template-columns: 2.2fr 1.1fr 0.9fr 1.4fr;
  gap: 6px;
  font-size: 11px;
  color: var(--text-sub);
}
.url-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 2px;
}
.url-row {
  display: grid;
  grid-template-columns: 2.2fr 1.1fr 0.9fr 1.4fr;
  gap: 6px;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid transparent;
  cursor: grab;
}
body.dark .url-row {
  background: rgba(15, 23, 42, 0.95);
}
.url-row.dragging {
  opacity: 0.5;
}
.url-row.drag-over {
  border-color: var(--accent);
}

/* Buttons */
.btn {
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 12px;
  padding: 7px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #f9fafb;
  border-color: rgba(56, 189, 248, 0.8);
}
.secondary {
  background: rgba(248, 250, 252, 0.9);
  border-color: rgba(148, 163, 184, 0.7);
}
.ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.7);
  color: var(--text-sub);
}
.small {
  padding: 4px 10px;
  font-size: 11px;
}
.full {
  width: 100%;
}
.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Actions */
.actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

/* Output */
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-sub);
}
.code {
  background: var(--code-bg);
  border-radius: 16px;
  border: 1px solid var(--code-border);
  padding: 10px;
  color: #e5e7eb;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  min-height: 200px;
  max-height: 260px;
  overflow: auto;
}
.log {
  background: var(--log-bg);
  border-radius: 16px;
  border: 1px solid #1f2937;
  padding: 8px;
  color: var(--log-text);
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  min-height: 100px;
  max-height: 160px;
  overflow: auto;
}

/* Responsive */
@media (max-width: 900px) {
  .content {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .window {
    border-radius: 22px;
  }
  .content {
    padding: 12px;
  }
  .panel {
    padding: 12px;
  }
  .list-header,
  .url-row {
    grid-template-columns: 2fr 1.1fr 0.9fr 1.6fr;
  }
}