@tailwind base;
@tailwind components;
@tailwind utilities;

/* Accent palette defaults (emerald). Overridden at runtime by lib/accent.ts
   from the user's saved accent color / custom pick. Values are RGB triplets. */
:root {
  --ka-accent-50: 236 253 245;
  --ka-accent-100: 209 250 229;
  --ka-accent-200: 167 243 208;
  --ka-accent-300: 110 231 183;
  --ka-accent-400: 52 211 153;
  --ka-accent-500: 16 185 129;
  --ka-accent-600: 5 150 105;
  --ka-accent-700: 4 120 87;
  --ka-accent-800: 6 95 70;
  --ka-accent-900: 6 78 59;
  --ka-accent-950: 2 44 34;
}

html, body, #root {
  height: 100%;
}
/* Mobile browser chrome (URL bar) shrinks the visible area — dynamic
   viewport units keep the app glued to the real screen height. */
@supports (height: 100dvh) {
  html, body, #root {
    height: 100dvh;
  }
}

body {
  @apply bg-stone-100 text-stone-900 antialiased dark:bg-zinc-950 dark:text-zinc-100;
  /* Kill the 300ms tap delay, keep gestures app-like. */
  touch-action: manipulation;
  overscroll-behavior-y: none;
}

/* slim scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: rgb(0 0 0 / 0.2) transparent;
}
*::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
*::-webkit-scrollbar-thumb {
  background: rgb(0 0 0 / 0.2);
  border-radius: 999px;
}

/* markdown content */
.md p:first-child { margin-top: 0; }
.md p:last-child { margin-bottom: 0; }
/* Long unbroken strings (URLs, file paths, hashes, tokens) must wrap
   anywhere — otherwise they overflow the bubble, which then grows past its
   row and glues itself to the screen edge. `pre` keeps its own horizontal
   scroll (white-space:pre ignores wrapping). */
.md {
  overflow-wrap: anywhere;
}
.md pre {
  @apply relative overflow-x-auto rounded-2xl border border-stone-200 bg-stone-900 p-4 text-[13.5px] leading-relaxed text-stone-100 dark:border-zinc-700;
}
.md pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: none !important;
  padding: 0 !important;
}
.md :not(pre) > code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  @apply rounded-md bg-stone-200/70 px-1.5 py-0.5 text-[13px] dark:bg-zinc-800;
}
.md table {
  @apply w-full border-collapse overflow-hidden rounded-xl text-sm;
}
.md th, .md td {
  @apply border border-stone-200 px-3 py-1.5 dark:border-zinc-700;
}
.md th {
  @apply bg-stone-200/50 dark:bg-zinc-800;
}
.md a {
  @apply text-accent-600 underline dark:text-accent-400;
}
.md ul { @apply list-disc pl-5; }
.md ol { @apply list-decimal pl-5; }
.md blockquote {
  @apply border-l-4 border-accent-500/50 pl-3 italic opacity-80;
}

.typing-cursor::after {
  content: "▍";
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Loading flower: outer petals bloom in turn, inner petals follow softer,
   core breathes with an amber glow. */
.flower-petal, .flower-petal-inner, .flower-core {
  transform-box: fill-box;
  transform-origin: center;
}
.flower-petal {
  animation: bloom 2.4s ease-in-out infinite;
}
.flower-petal-inner {
  animation: bloom-inner 2.4s ease-in-out infinite;
}
@keyframes bloom {
  0%, 100% { transform: scale(0.62); opacity: 0.35; }
  50% { transform: scale(1); opacity: 1; }
}
@keyframes bloom-inner {
  0%, 100% { transform: scale(0.55); opacity: 0.2; }
  50% { transform: scale(1); opacity: 0.95; }
}
.flower-core {
  animation: core-breathe 2.4s ease-in-out infinite;
}
@keyframes core-breathe {
  0%, 100% { transform: scale(0.9); }
  50% { transform: scale(1.1); }
}
/* Smooth entrance for full-screen loaders. */
@keyframes loading-in {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}
.loading-enter {
  animation: loading-in 0.45s ease-out both;
}

/* Loader title: soft accent glow pulse. */
.loader-title {
  animation: title-glow 2.6s ease-in-out infinite;
}
@keyframes title-glow {
  0%, 100% { opacity: 0.92; }
  50% { opacity: 1; text-shadow: 0 0 18px rgb(var(--ka-accent-500) / 0.35); }
}

.loading-dots::after {
  content: "";
  animation: dots 1.4s steps(4) infinite;
}
@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
}

/* Bottom pills: springy rise on appear, soft sink on dismiss. */
@keyframes toast-in {
  from { opacity: 0; transform: translateY(18px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.toast-enter {
  animation: toast-in 0.38s cubic-bezier(0.21, 1.02, 0.73, 1) both;
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(12px) scale(0.95); }
}
.toast-exit {
  animation: toast-out 0.26s ease-in both;
}

@media (prefers-reduced-motion: reduce) {
  /* Brand flower intentionally exempt: it always animates, even when the
     browser requests reduced motion (battery saver / eco mode). */
  .typing-cursor::after,
  .loading-dots::after {
    animation: none;
  }
}

/* Kill Chrome's yellow autofill background (login / password fields) */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 60px rgb(245 245 244) inset; /* stone-100, matches soft fields */
  -webkit-text-fill-color: #1c1917; /* stone-900 */
  caret-color: #1c1917;
}
.dark input:-webkit-autofill,
.dark input:-webkit-autofill:hover,
.dark input:-webkit-autofill:focus,
.dark input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 60px #27272a inset; /* zinc-800 */
  -webkit-text-fill-color: #f4f4f5; /* zinc-100 */
  caret-color: #f4f4f5;
}