:root {
  color-scheme: dark;
  --bg: #0b1111;
  --panel: rgba(19, 26, 25, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --ink: #f4f1ec;
  --muted: #b2b7b4;
  --accent: #3cd7b2;
  --accent-strong: #2fb896;
  --terminal-bg: #0b0f10;
  --terminal-ink: #f3f2ed;
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f1ec;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(30, 30, 30, 0.08);
  --ink: #1c1c1c;
  --muted: #5c5c5c;
  --accent: #0f6b5a;
  --accent-strong: #0c5346;
  --terminal-bg: #101615;
  --terminal-ink: #f3f2ed;
  --shadow: 0 18px 40px rgba(15, 20, 18, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.ambient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(60, 215, 178, 0.2), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(219, 124, 65, 0.22), transparent 40%),
    radial-gradient(circle at 70% 90%, rgba(72, 115, 175, 0.18), transparent 45%),
    linear-gradient(140deg, rgba(9, 13, 13, 0.98), rgba(18, 26, 26, 0.9));
  z-index: -2;
}

[data-theme="light"] .ambient {
  background:
    radial-gradient(circle at 10% 20%, rgba(15, 107, 90, 0.12), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(219, 124, 65, 0.18), transparent 40%),
    radial-gradient(circle at 70% 90%, rgba(72, 115, 175, 0.15), transparent 45%),
    linear-gradient(140deg, rgba(255, 255, 255, 0.9), rgba(243, 241, 236, 0.6));
}
.shell {
  padding: 32px 36px 40px;
  max-width: 1300px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  animation: floatIn 0.8s ease;
}

.topbar__search {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.topbar__search input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(9, 13, 13, 0.7);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.search-hint {
  margin-top: 6px;
  font-size: 0.72rem;
  color: var(--muted);
}

.search-list {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 8px;
  display: none;
  max-height: 240px;
  overflow-y: auto;
  box-shadow: var(--shadow);
  z-index: 3;
}

.search-list.is-visible {
  display: block;
}

.search-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.search-item:hover,
.search-item.is-active {
  background: rgba(15, 107, 90, 0.14);
}

.search-label {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.search-preview {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.3;
}

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

.brand__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(15, 107, 90, 0.12);
}

.brand__title {
  font-weight: 600;
  letter-spacing: 0.4px;
}

.brand__subtitle {
  color: var(--muted);
  font-size: 0.88rem;
}

.topbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  font-family: var(--sans);
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px rgba(15, 107, 90, 0.2);
}

button.primary:hover {
  box-shadow: 0 14px 24px rgba(15, 107, 90, 0.3);
}

button.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--ink);
}

[data-theme="light"] button.ghost {
  border: 1px solid rgba(28, 28, 28, 0.2);
}

[data-theme="light"] .topbar__search input {
  border: 1px solid rgba(28, 28, 28, 0.2);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
}

[data-theme="light"] .search-item:hover,
[data-theme="light"] .search-item.is-active {
  background: rgba(15, 107, 90, 0.12);
}
.grid {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr 1.2fr;
  gap: 18px;
  margin-top: 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 520px;
  animation: floatIn 0.9s ease;
}

.panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.panel__header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.panel__header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.panel__header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.tree {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.92rem;
}

.tree__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.tree__item:hover {
  background: rgba(15, 107, 90, 0.08);
  transform: translateX(4px);
}

.tree__item.active {
  background: rgba(15, 107, 90, 0.14);
  font-weight: 600;
}

.tree__item span {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.tree__folder {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: 14px;
}

.terminal {
  flex: 1;
  margin-top: 18px;
  padding: 16px;
  background: var(--terminal-bg);
  color: var(--terminal-ink);
  border-radius: 16px;
  font-family: var(--mono);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 12px 14px;
  line-height: 1.4;
  animation: rise 0.4s ease;
}

.message--user {
  background: rgba(15, 107, 90, 0.3);
}

.message__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.message__role {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

.message__time {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: var(--mono);
}

.composer {
  margin-top: 16px;
  display: flex;
  gap: 12px;
}

.composer__input {
  position: relative;
  flex: 1;
}

.composer textarea {
  flex: 1;
  resize: none;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px;
  font-family: var(--mono);
  background: rgba(9, 13, 13, 0.75);
  color: var(--terminal-ink);
}

.composer__input textarea {
  width: 100%;
}

.mention-list {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 8px;
  display: none;
  max-height: 180px;
  overflow-y: auto;
  box-shadow: var(--shadow);
  z-index: 2;
}

.mention-list.is-visible {
  display: block;
}

.command-list {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 8px;
  display: none;
  max-height: 220px;
  overflow-y: auto;
  box-shadow: var(--shadow);
  z-index: 2;
}

.command-list.is-visible {
  display: block;
}

.mention-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.mention-label {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.mention-preview {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.3;
}

.command-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.command-item:hover,
.command-item.is-active {
  background: rgba(15, 107, 90, 0.14);
}

.command-label {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.command-preview {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.3;
}

.mention-item:hover,
.mention-item.is-active {
  background: rgba(15, 107, 90, 0.14);
}

[data-theme="light"] .composer textarea {
  border: 1px solid rgba(28, 28, 28, 0.1);
  background: #fff;
  color: var(--ink);
}

[data-theme="light"] .mention-item:hover,
[data-theme="light"] .mention-item.is-active {
  background: rgba(15, 107, 90, 0.12);
}

[data-theme="light"] .command-item:hover,
[data-theme="light"] .command-item.is-active {
  background: rgba(15, 107, 90, 0.12);
}

.editor {
  margin-top: 18px;
  flex: 1;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.5;
  background: rgba(9, 13, 13, 0.75);
  color: var(--terminal-ink);
  resize: none;
}

[data-theme="light"] .editor {
  border: 1px solid rgba(28, 28, 28, 0.1);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.overlay.is-visible {
  display: flex;
}

.overlay__card {
  max-width: 540px;
  background: #0f1717;
  padding: 30px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  animation: floatIn 0.8s ease;
}

[data-theme="light"] .overlay__card {
  background: #fefcf7;
}

.overlay__badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-strong);
  margin-bottom: 10px;
}

.overlay__card h1 {
  margin: 0 0 12px;
  font-size: 1.7rem;
}

.overlay__card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.overlay__steps {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.overlay__steps strong {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
}

.overlay__steps span {
  color: var(--ink);
  font-size: 0.95rem;
}

.key-form {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.key-form input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: var(--mono);
  background: rgba(9, 13, 13, 0.75);
  color: var(--terminal-ink);
}

[data-theme="light"] .key-form input {
  border: 1px solid rgba(28, 28, 28, 0.2);
  background: #fff;
  color: var(--ink);
}

.key-form__note {
  font-size: 0.85rem;
  color: var(--muted);
}

.key-form__trust {
  font-size: 0.8rem;
  color: var(--accent);
}

.key-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .panel {
    min-height: auto;
  }

  .composer {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 20px 16px 30px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}