/* Font imports must precede @import "tailwindcss" per CSS spec */
@import url("https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Poppins:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

@import "tailwindcss";



/* ============================================================
   Theme — Anthropic-inspired warm design tokens
   ============================================================ */
@theme {
  /* Fonts — Lora (serif body) + Poppins (sans-serif UI) + JetBrains Mono */
  --font-sans: "Lora", Georgia, serif;
  --font-display: "Poppins", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Brand — signature orange */
  --color-brand: #D97757;
  --color-brand-light: #C96A4D;
  --color-brand-subtle: rgba(217, 119, 87, 0.1);

  /* Surfaces — warm beige palette (not white) */
  --color-surface-0: #ECE9E0;
  --color-surface-1: #F5F3EC;
  --color-surface-2: #FDFCF8;
  --color-surface-3: #E8E6DC;

  /* Text — warm dark tones */
  --color-text-primary: #141413;
  --color-text-secondary: #6B6860;
  --color-text-muted: #9C9890;

  /* Inverted — for user message bubbles */
  --color-bg-inverted: #2D2B27;
  --color-text-inverted: #F5F3EC;

  /* Warning — warm yellow for permission panels */
  --color-warning-bg: #FEF3C7;
  --color-warning-border: #F59E0B;
  --color-warning-text: #92400E;

  /* Status */
  --color-status-active: #6B8F47;
  --color-status-running: #4A7FB5;
  --color-status-idle: #7C3aed;
  --color-status-error: #C0453A;
  --color-status-warning: #C9943A;

  /* Tool card */
  --color-tool-card: #F5F3EC;

  /* shadcn/ui tokens (oklch — warm hue ~85) */
  --color-background: oklch(0.94 0.01 85);
  --color-foreground: oklch(0.20 0.01 85);
  --color-card: oklch(0.97 0.008 85);
  --color-card-foreground: oklch(0.20 0.01 85);
  --color-popover: oklch(0.97 0.008 85);
  --color-popover-foreground: oklch(0.20 0.01 85);
  --color-primary: oklch(0.20 0.01 85);
  --color-primary-foreground: oklch(0.96 0.01 85);
  --color-secondary: oklch(0.95 0.01 85);
  --color-secondary-foreground: oklch(0.20 0.01 85);
  --color-muted: oklch(0.93 0.01 85);
  --color-muted-foreground: oklch(0.50 0.02 85);
  --color-accent: oklch(0.95 0.01 85);
  --color-accent-foreground: oklch(0.20 0.01 85);
  --color-destructive: oklch(0.577 0.245 27.325);

  /* Border / Input / Ring */
  --color-border: oklch(0.88 0.015 85);
  --color-border-light: #E8E6DC;
  --color-input: oklch(0.88 0.015 85);
  --color-ring: oklch(0.65 0.08 50);

  /* Default utility values */
  --default-border-color: var(--color-border);
  --default-ring-color: var(--color-ring);

  /* Radius */
  --radius: 0.625rem;
}

/* ============================================================
   Dark mode — warm dark palette
   ============================================================ */
.dark {
  --color-surface-0: #1C1B18;
  --color-surface-1: #242320;
  --color-surface-2: #2D2B27;
  --color-surface-3: #3A3832;
  --color-text-primary: #ECE9E0;
  --color-text-secondary: #9C9890;
  --color-text-muted: #6B6860;
  --color-bg-inverted: #F5F3EC;
  --color-text-inverted: #2D2B27;
  --color-border: #3A3832;
  --color-border-light: #2D2B27;
  --color-tool-card: #2D2B27;
  --color-warning-bg: #45290A;
  --color-warning-border: #B47818;
  --color-warning-text: #FCD980;
}

/* ============================================================
   Base styles — layered so they coexist with Tailwind preflight
   ============================================================ */
@layer base {
  html,
  body {
    background-color: var(--color-surface-0);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
  }
  *,
  ::before,
  ::after {
    border-color: var(--color-border);
  }
}

/* ============================================================
   Custom utilities (unlayered so they always win)
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-3);
  border-radius: 3px;
}

/* Glimmer sweep — reverse sweep highlight (same visual as TUI) */
.glimmer-text {
  background: linear-gradient(
    90deg,
    var(--color-text-secondary) 0%,
    var(--color-text-secondary) 40%,
    var(--color-brand) 50%,
    var(--color-text-secondary) 60%,
    var(--color-text-secondary) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glimmer-sweep 3s ease-in-out infinite;
}

@keyframes glimmer-sweep {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

/* ============================================================
   Chat UI — Anthropic style overrides
   ============================================================ */

/* Chat input — warm orange focus ring */
.chat-input-focus:focus-within {
  box-shadow: 0 0 0 2px rgba(217, 119, 87, 0.25);
}

/* Markdown content in message bubbles */
.message-content pre {
  background-color: var(--color-surface-1);
  border-radius: 0.5rem;
  padding: 0.75rem;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.message-content code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.message-content :not(pre) > code {
  background-color: var(--color-surface-1);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
}

/* ============================================================
   Animations — Anthropic entrance effects
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Typing indicator dots */
.chat-typing-indicator {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  height: 20px;
}
.chat-typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: var(--color-brand);
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.chat-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }