/* Felix Agents — Custom Theme
   Neutral black/white design system.
   Selectors target Chainlit 2.x DOM (IDs, data attributes, Tailwind classes). */

/* ───────────────────── Color Tokens ───────────────────── */

:root {
  --felix-accent: #1a1a1a;
  --felix-accent-hover: #333333;
  --felix-accent-subtle: rgba(0, 0, 0, 0.04);
  --felix-accent-glow: rgba(0, 0, 0, 0.12);
  --felix-bg: #f7f7f8;
  --felix-surface: #ffffff;
  --felix-surface-hover: #f0f0f1;
  --felix-border: #e0e0e2;
  --felix-text: #111111;
  --felix-text-secondary: #6b6b6f;
  --felix-code-bg: #f3f3f4;
}

.dark {
  --felix-accent: #e8e8e8;
  --felix-accent-hover: #ffffff;
  --felix-accent-subtle: rgba(255, 255, 255, 0.04);
  --felix-accent-glow: rgba(255, 255, 255, 0.12);
  --felix-bg: #0a0a0a;
  --felix-surface: #141414;
  --felix-surface-hover: #1e1e1e;
  --felix-border: #2a2a2a;
  --felix-text: #e8e8e8;
  --felix-text-secondary: #888888;
  --felix-code-bg: #111111;
}

/* ───────────────────── Base & Typography ───────────────────── */

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ───────────────────── Scrollbar ───────────────────── */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--felix-border) transparent;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--felix-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--felix-text-secondary);
}

/* ───────────────────── Steps (Tool Calls & Planning) ───────────────────── */
/* Steps use: className="step py-2" + data-step-type attribute */

.step {
  border-left: 2px solid var(--felix-text-secondary);
  padding-left: 8px;
  margin: 2px 0;
  transition: background 0.2s ease;
}

.step:hover {
  background: var(--felix-accent-subtle);
  border-radius: 6px;
}

[data-step-type="tool"] {
  border-left-color: var(--felix-accent);
}

[data-step-type="run"] {
  border-left-color: var(--felix-border);
}

/* ───────────────────── Message Composer ───────────────────── */
/* Composer uses: id="message-composer" */

#message-composer {
  border: 1px solid var(--felix-border) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#message-composer:focus-within {
  border-color: var(--felix-accent) !important;
  box-shadow: 0 0 0 3px var(--felix-accent-glow) !important;
}

/* Submit button: id="chat-submit" */
#chat-submit {
  transition: transform 0.1s ease !important;
}

#chat-submit:hover:not(:disabled) {
  transform: scale(1.1);
}

/* ───────────────────── Welcome Screen ───────────────────── */
/* Welcome uses: id="welcome-screen" + class="welcome-screen" */

#welcome-screen {
  max-width: 700px;
}

/* Profile icon on welcome screen */
#welcome-screen img.rounded-full {
  border: 2px solid var(--felix-border);
  transition: border-color 0.3s ease;
}

#welcome-screen img.rounded-full:hover {
  border-color: var(--felix-accent);
}

/* ───────────────────── Starters ───────────────────── */
/* Starter buttons: id="starter-{label}" with variant="outline" */

#starters button {
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}

#starters button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--felix-accent) !important;
  box-shadow: 0 4px 12px var(--felix-accent-glow) !important;
}

/* ───────────────────── Chat Profiles ───────────────────── */
/* Profile selector: id="chat-profiles" */

#chat-profiles {
  transition: background 0.15s ease !important;
}

/* ───────────────────── Header ───────────────────── */

#header {
  border-bottom: 1px solid var(--felix-border);
}

/* ───────────────────── Sidebar ───────────────────── */

#thread-history button {
  transition: background 0.15s ease, border-color 0.15s ease !important;
  border-left: 3px solid transparent;
}

#thread-history button:hover {
  border-left-color: var(--felix-accent);
}

/* ───────────────────── Code Blocks ───────────────────── */

pre, code {
  border-radius: 8px !important;
}

pre {
  background: var(--felix-code-bg) !important;
  border: 1px solid var(--felix-border) !important;
  padding: 16px !important;
}

code {
  font-size: 0.9em;
}

:not(pre) > code {
  background: var(--felix-accent-subtle) !important;
  color: var(--felix-text) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  font-size: 0.875em;
}

/* ───────────────────── User Message Bubbles ───────────────────── */
/* User messages: data-step-type="user_message" with bg-accent rounded-3xl */

[data-step-type="user_message"] .bg-accent {
  border: 1px solid var(--felix-border);
}

/* ───────────────────── Animations ───────────────────── */

@keyframes felix-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.step {
  animation: felix-fade-in 0.25s ease-out;
}

/* ───────────────────── Links ───────────────────── */

a {
  text-underline-offset: 2px;
}

/* ───────────────────── Smooth Transitions ───────────────────── */

button, input, textarea, select {
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}