:root {
  --bg: #0a0d17;
  --panel: #141a28;
  --border: #2a3248;
  --text: #eef1ff;
  --muted: #9aa3b2;
  --accent: #70d6ff;
  --reasoning: #6e88ff;
  --reasoning-bold: #ff5bbd;
  --code: #70d6ff;
  --danger: #ff6b6b;
  --stderr: #ff5bbd;
  --about-link: var(--accent);
  --about-copyright: #3c4fb8;
  --help-arg: #9ab6ff;
  --input-bg: #0c0f16;
  --prompt-height: 42px;
  font-family: "JetBrains Mono", "Fira Code", Menlo, monospace;
}

:root[data-theme="gruvbox"] {
  --bg: #1d2021;
  --panel: #282828;
  --border: #3c3836;
  --text: #ebdbb2;
  --muted: #bdae93;
  --accent: #fabd2f;
  --reasoning: #83a598;
  --reasoning-bold: #d65d0e;
  --code: #fabd2f;
  --danger: #fb4934;
  --stderr: #d3869b;
  --about-copyright: #4b6ea6;
  --help-arg: #83a598;
  --input-bg: #1b1b1b;
}

:root[data-theme="tokyo-midnight"] {
  --bg: #0f121b;
  --panel: #1a1b26;
  --border: #2a2f45;
  --text: #c0caf5;
  --muted: #7f85a3;
  --accent: #7aa2f7;
  --reasoning: #7aa2f7;
  --reasoning-bold: #bb9af7;
  --code: #9ece6a;
  --danger: #f7768e;
  --stderr: #bb9af7;
  --about-copyright: #3b4f9f;
  --help-arg: #7dcfff;
  --input-bg: #111421;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(21, 25, 34, 0.9);
}

.brand-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.session {
  font-size: 12px;
  color: var(--muted);
}

.main {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 16px;
  min-height: 0;
  align-items: stretch;
}

.panel {
  width: 100%;
  max-width: 960px;
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.panel.hidden {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 18, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-card h2 {
  margin: 0;
  font-size: 16px;
}

.modal-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.modal-card input {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-actions button {
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  font-weight: 700;
  cursor: pointer;
}

.modal-actions button[type="submit"] {
  background: var(--accent);
  color: #0b0f14;
}

.button-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

#terminal-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#terminal-panel.hidden,
#login-panel.hidden {
  display: none;
}

#login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}

#login-form input {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
}

#login-form button {
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0b0f14;
  font-weight: 700;
  cursor: pointer;
}

.error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 6px;
}

.tabs-bar {
  --tabs-indicator-size: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tabs-indicator {
  width: var(--tabs-indicator-size);
  height: 28px;
  box-sizing: border-box;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c0f16;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tabs {
  display: flex;
  gap: 8px;
  overflow: hidden;
  padding-bottom: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.status {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  font-size: 12px;
  color: var(--muted);
  flex: 0 0 auto;
}

@keyframes status-spin {
  to {
    transform: rotate(360deg);
  }
}

.prompt-spinner {
  position: absolute;
  right: 76px;
  bottom: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(122, 162, 247, 0.35);
  border-top-color: var(--accent);
  animation: status-spin 0.8s linear infinite;
}

.prompt-spinner.hidden {
  display: none;
}

.status[data-level="error"] {
  border-color: rgba(255, 107, 107, 0.6);
  color: var(--danger);
  background: rgba(255, 107, 107, 0.12);
  font-weight: 600;
}

.status[data-level="warn"] {
  border-color: rgba(255, 208, 102, 0.6);
  color: #ffd066;
  background: rgba(255, 208, 102, 0.12);
}

.status.hidden {
  display: none;
}

.tab {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: #0c0f16;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.tab.active {
  border-color: var(--accent);
  color: var(--text);
}

.terminal {
  flex: 1 1 auto;
  min-height: 0;
  background: #0c0f16;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 12px;
  overflow-y: auto;
  overflow-x: hidden;
  font-size: 13px;
  line-height: 1.4;
  color: #f2f4fa;
  scrollbar-width: thin;
  scrollbar-color: #3a4254 #0c0f16;
}

.terminal .line {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.terminal::-webkit-scrollbar {
  width: 10px;
}

.terminal::-webkit-scrollbar-track {
  background: #0c0f16;
  border-radius: 8px;
}

.terminal::-webkit-scrollbar-thumb {
  background: #3a4254;
  border-radius: 8px;
  border: 2px solid #0c0f16;
}

.terminal::-webkit-scrollbar-thumb:hover {
  background: #485066;
}

.terminal .line.stderr,
.terminal .line.error {
  color: var(--danger);
}

.terminal .line.stderr {
  color: var(--stderr);
  font-weight: 700;
}

.terminal .line.meta {
  color: var(--muted);
  font-style: italic;
}

.terminal .line.command {
  color: var(--muted);
}

.terminal .line.help .md-bold {
  color: var(--accent);
  font-weight: 700;
}

.terminal .line.help .md-code {
  color: var(--help-arg);
}

.terminal .line.about-version {
  font-style: italic;
  font-weight: 700;
}

.terminal .line.about-copyright {
  color: var(--about-copyright);
}

.terminal .line.about-link {
  color: var(--about-link);
}

.terminal .line.about-link a {
  color: inherit;
  text-decoration: underline;
}

.terminal .line.reasoning {
  color: var(--reasoning);
  font-style: italic;
}

.terminal .line.agent {
  color: var(--text);
}

.terminal .line .md-bold {
  font-weight: 700;
}

.terminal .line .md-italic {
  font-style: italic;
}

.terminal .line .md-code {
  color: var(--code);
}

.terminal .line.reasoning .md-bold {
  color: var(--reasoning-bold);
  font-style: italic;
}

.terminal .line.reasoning .md-code {
  color: var(--code);
  font-style: italic;
}

.terminal .line.worked {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-style: italic;
}

.terminal .line.worked::before {
  content: "──";
  opacity: 0.8;
}

.terminal .line.worked::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--border);
  opacity: 0.8;
}

.prompt {
  display: flex;
  gap: 10px;
  align-items: stretch;
  min-height: var(--prompt-height);
  flex: 0 0 auto;
  position: relative;
}

.prompt textarea {
  flex: 1;
  padding: 10px 32px 10px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  min-height: var(--prompt-height);
  max-height: 180px;
  resize: vertical;
  overflow-y: auto;
  line-height: 1.4;
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--input-bg);
}

.prompt textarea::-webkit-scrollbar {
  width: 10px;
}

.prompt textarea::-webkit-scrollbar-track {
  background: var(--input-bg);
  border-radius: 8px;
}

.prompt textarea::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
  border: 2px solid var(--input-bg);
}

.prompt textarea::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.prompt button {
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0b0f14;
  font-weight: 700;
  height: var(--prompt-height);
}

@media (max-width: 640px) {
  .panel {
    padding: 12px;
  }

  .prompt {
    flex-direction: column;
    min-height: 0;
  }

  .prompt button {
    width: 100%;
    height: auto;
  }

  .prompt-spinner {
    right: 12px;
    bottom: calc(var(--prompt-height) + 18px);
  }

  .prompt textarea {
    height: auto;
    padding-right: 10px;
  }
}