@import "tailwindcss";
@import "tw-animate-css";

/* enable dark-variant & class-based theming */
@custom-variant dark (&:is(.dark *));

/* ============================================================
   Pargar design system — soft pastel, a touch of glass,
   calm shadows, gentle motion.
   ============================================================ */
:root {
  --background: #f4f5fb;
  --foreground: #2a2745;
  --card: #ffffff;
  --card-foreground: #2a2745;
  --popover: #ffffff;
  --popover-foreground: #2a2745;
  --primary: #6d63f0;
  --primary-foreground: #ffffff;
  --secondary: #5a6380;
  --secondary-foreground: #ffffff;
  --muted: #edeef7;
  --muted-foreground: #6b6c8a;
  --accent: #ec6fa9;
  --accent-foreground: #ffffff;
  --destructive: #e05c70;
  --destructive-foreground: #ffffff;
  --success: #3ec98a;
  --success-foreground: #ffffff;
  --gold: #f2a437;
  --gold-foreground: #3f2a04;
  --border: #d9dbe9;
  --input: #c9cbdf;
  --ring: #6d63f0;
  --radius: 0.5rem;
  /* inverted editorial band (dark in light mode, light in dark mode) */
  --invert-bg: #211f3e;
  --invert-fg: #f6f5fb;
  /* soft motion tokens */
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft-in-out: cubic-bezier(0.45, 0.05, 0.25, 1);
  --dur-fast: 280ms;
  --dur-med: 420ms;
  --dur-slow: 700ms;
}

.dark {
  --background: #12111d;
  --foreground: #ecebf6;
  --card: #191830;
  --card-foreground: #ecebf6;
  --popover: #201f3a;
  --popover-foreground: #ecebf6;
  --primary: #9189fb;
  --primary-foreground: #161129;
  --secondary: #8d95ab;
  --secondary-foreground: #10131e;
  --muted: #262442;
  --muted-foreground: #a7a8c9;
  --accent: #f095c4;
  --accent-foreground: #2a0f1f;
  --destructive: #f47b8c;
  --destructive-foreground: #2a0a0f;
  --success: #63e0a5;
  --success-foreground: #06210f;
  --gold: #fab653;
  --gold-foreground: #2a1a02;
  --border: #353360;
  --input: #4d4a7e;
  --ring: #9189fb;
  --radius: 0.25rem;
  --invert-bg: #f0eff8;
  --invert-fg: #18162e;
}

@theme inline {
  /* next/font: FD default + plain Latin face for English-only fields */
  /* Prefer Apple Color Emoji first; chat also renders Apple PNGs for Linux hosts. */
  --font-sans: var(--font-vazirmatn), "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji",
    sans-serif;
  --font-emoji: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  --font-latin: var(--font-vazirmatn-latin), var(--font-vazirmatn), Tahoma, "Segoe UI", Arial,
    sans-serif;
  /* Technical / English strings keep Latin digits */
  --font-mono: var(--font-vazirmatn-latin), ui-monospace, "Cascadia Code", "Source Code Pro", Menlo,
    Consolas, monospace;
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-success: var(--success);
  --color-success-foreground: var(--success-foreground);
  --color-gold: var(--gold);
  --color-gold-foreground: var(--gold-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --radius-2xl: 20px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --default-transition-duration: 350ms;
  --default-transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

@layer base {
  * {
    border-color: var(--color-border);
  }
  html {
    color-scheme: light;
    scroll-behavior: smooth;
    font-family: var(--font-sans);
  }
  html.dark {
    color-scheme: dark;
  }
  body {
    background-color: var(--background);
    background-image:
      radial-gradient(1100px 540px at 85% -8%, color-mix(in srgb, var(--color-accent) 11%, transparent), transparent 62%),
      radial-gradient(1000px 520px at -8% 26%, color-mix(in srgb, var(--color-primary) 9%, transparent), transparent 60%),
      radial-gradient(800px 420px at 50% 110%, color-mix(in srgb, var(--color-gold) 7%, transparent), transparent 60%);
    background-attachment: fixed;
    color: var(--foreground);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  /*
   * Form controls: UA + Tailwind preflight use `font: inherit`, which is flaky.
   * Pin family so Vazirmatn FD (Persian digits) paints the same as surrounding UI.
   */
  input,
  textarea,
  select,
  button {
    font-family: var(--font-sans) !important;
    font-feature-settings: normal !important;
  }
  input::placeholder,
  textarea::placeholder,
  input::-webkit-input-placeholder,
  textarea::-webkit-input-placeholder {
    font-family: var(--font-sans) !important;
    font-feature-settings: normal !important;
  }
  /*
   * English-only typing surfaces: passwords, usernames, email, captcha, URLs, codes.
   * Use plain Vazirmatn (non-FD) so Latin digits stay Latin.
   */
  .font-latin,
  input.font-latin,
  textarea.font-latin,
  input[type="password"],
  input[type="email"],
  input[type="url"],
  input[type="tel"],
  input[dir="ltr"],
  textarea[dir="ltr"],
  input[autocomplete="username"],
  input[autocomplete="email"],
  input[autocomplete="current-password"],
  input[autocomplete="new-password"],
  input[autocomplete="one-time-code"],
  input[id*="captcha" i],
  input[name*="captcha" i],
  input[id*="password" i],
  input[name*="password" i],
  input[id*="username" i],
  input[name*="username" i] {
    font-family: var(--font-latin) !important;
    font-feature-settings: normal !important;
    font-variant-numeric: lining-nums !important;
  }
  .font-latin::placeholder,
  input.font-latin::placeholder,
  textarea.font-latin::placeholder,
  input[type="password"]::placeholder,
  input[type="email"]::placeholder,
  input[type="url"]::placeholder,
  input[type="tel"]::placeholder,
  input[dir="ltr"]::placeholder,
  textarea[dir="ltr"]::placeholder {
    font-family: var(--font-latin) !important;
  }
  input:-webkit-autofill,
  input:-webkit-autofill:hover,
  input:-webkit-autofill:focus,
  textarea:-webkit-autofill,
  select:-webkit-autofill {
    font-family: var(--font-sans) !important;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-weight: 800;
    letter-spacing: -0.01em;
    text-wrap: balance;
  }
  ::selection {
    background: color-mix(in srgb, var(--color-primary) 22%, transparent);
    color: inherit;
  }
  :focus-visible {
    outline: 2px solid var(--color-ring);
    outline-offset: 2px;
  }
  code {
    font-family: var(--font-mono);
    font-size: 0.875em;
  }
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--color-muted-foreground) 30%, transparent);
    border-radius: 999px;
    border: 2px solid var(--color-background);
  }
  ::-webkit-scrollbar-track {
    background: transparent;
  }
}

@layer components {
  .chat-scroll {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--color-muted-foreground) 35%, transparent) transparent;
  }
  .chat-scroll::-webkit-scrollbar {
    width: 6px;
  }
  .chat-scroll::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--color-muted-foreground) 35%, transparent);
    border-radius: 999px;
    border-width: 0;
  }
  .section-kicker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--color-primary);
  }
  .section-kicker::before {
    content: "";
    display: inline-block;
    width: 1.75rem;
    height: 3px;
    border-radius: 2px;
    background: var(--color-primary);
  }
  /* kicker sitting on a solid primary panel — bar & text follow the opposing tone */
  .section-kicker.on-primary {
    color: var(--color-primary-foreground);
  }
  .section-kicker.on-primary::before {
    background: var(--color-primary-foreground);
  }
  .card-hover {
    transition:
      border-color 150ms ease,
      box-shadow 250ms ease,
      transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
  }
  .card-hover:hover {
    border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
    box-shadow:
      0 2px 6px rgba(41, 39, 70, 0.05),
      0 22px 44px -18px rgba(75, 66, 200, 0.22);
    transform: translateY(-3px);
  }
  .dark .card-hover:hover {
    border-color: color-mix(in srgb, var(--color-primary) 60%, transparent);
    box-shadow:
      0 2px 10px rgba(0, 0, 0, 0.4),
      0 22px 44px -18px color-mix(in srgb, var(--color-primary) 40%, transparent);
  }
  .shadow-soft {
    box-shadow:
      0 2px 6px rgba(41, 39, 70, 0.05),
      0 20px 44px -22px rgba(41, 39, 70, 0.2);
  }
  .dark .shadow-soft {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 22px 48px -22px rgba(0, 0, 0, 0.55);
  }
  /* signature offset shadow — softened for the pastel identity */
  .shadow-offset {
    box-shadow: 5px 5px 0 0 var(--invert-fg);
  }
  .shadow-offset-sm {
    box-shadow: 4px 4px 0 0 var(--invert-fg);
  }
  /* in dark mode the offset shadow must stay visible against the dark canvas */
  .dark .shadow-offset {
    box-shadow: 5px 5px 0 0 rgba(255, 255, 255, 0.16);
  }
  .dark .shadow-offset-sm {
    box-shadow: 4px 4px 0 0 rgba(255, 255, 255, 0.14);
  }
  /* inverted editorial band */
  .band-invert {
    background:
      radial-gradient(900px 400px at 90% -20%, color-mix(in srgb, var(--color-accent) 26%, transparent), transparent 60%),
      var(--invert-bg);
    color: var(--invert-fg);
  }
  .chip-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 2px solid currentColor;
    border-radius: 999px;
    padding: 0.35rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
  }
  .dot-grid {
    background-image: radial-gradient(
      color-mix(in srgb, currentColor 16%, transparent) 1px,
      transparent 1px
    );
    background-size: 18px 18px;
  }
  .dot-grid-primary {
    color: var(--color-primary);
  }

  /* frosted glass — a touch: soft, restrained */
  .glass {
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.28));
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.6),
      0 16px 36px -22px rgba(41, 39, 70, 0.3);
  }
  .dark .glass {
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.09),
      0 16px 36px -22px rgba(0, 0, 0, 0.6);
  }

  /* frosted glow variants per status (colored ambience) */
  .glass-glow-primary,
  .glass-glow-accent,
  .glass-glow-gold,
  .glass-glow-success,
  .glass-glow-neutral {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.55),
      0 14px 34px -12px rgba(41, 39, 70, 0.3);
  }
  .glass-glow-primary {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.55),
      0 14px 34px -12px color-mix(in srgb, var(--color-primary) 42%, transparent);
  }
  .glass-glow-accent {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.55),
      0 14px 34px -12px color-mix(in srgb, var(--color-accent) 40%, transparent);
  }
  .glass-glow-gold {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.55),
      0 14px 34px -12px color-mix(in srgb, var(--color-gold) 40%, transparent);
  }
  .glass-glow-success {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.55),
      0 14px 34px -12px color-mix(in srgb, var(--color-success) 40%, transparent);
  }

  /* glass navigation bar */
  .nav-glass {
    background: color-mix(in srgb, var(--color-background) 82%, transparent);
    -webkit-backdrop-filter: blur(16px) saturate(1.5);
    backdrop-filter: blur(16px) saturate(1.5);
  }
}

@layer utilities {
  /* legacy aliases now render soft + calm */
  .bg-gradient-brand {
    background-color: var(--color-primary);
    background-image: none;
  }
  .text-gradient-brand {
    color: var(--color-primary);
    -webkit-background-clip: initial;
    background-clip: initial;
  }
  .shadow-glow,
  .shadow-glow-cyan {
    box-shadow: none;
  }

  /* ---------- motion system (soft by default) ---------- */
  .reveal {
    opacity: 0;
    animation: fadeUp 0.85s var(--ease-soft) forwards;
  }
  .reveal-1 { animation-delay: 0.08s; }
  .reveal-2 { animation-delay: 0.16s; }
  .reveal-3 { animation-delay: 0.24s; }
  .reveal-4 { animation-delay: 0.32s; }
  .reveal-5 { animation-delay: 0.4s; }
  .reveal-scale {
    opacity: 0;
    animation: scaleIn 0.7s var(--ease-soft) forwards;
  }
  .hover-lift {
    transition:
      transform var(--dur-med) var(--ease-soft),
      box-shadow var(--dur-med) var(--ease-soft);
  }
  .hover-lift:hover {
    transform: translateY(-3px);
    box-shadow:
      0 2px 6px rgba(41, 39, 70, 0.05),
      0 20px 40px -18px color-mix(in srgb, var(--color-primary) 26%, transparent);
  }
  .dark .hover-lift:hover {
    box-shadow:
      0 2px 10px rgba(0, 0, 0, 0.35),
      0 20px 40px -18px color-mix(in srgb, var(--color-primary) 32%, transparent);
  }
  .press {
    transition: transform var(--dur-fast) var(--ease-soft);
  }
  .press:active {
    transform: translateY(1px) scale(0.985);
  }
  .press-flat:active {
    transform: translateY(0.5px) scale(0.99);
  }
  .float-slow {
    animation: floatY 9s var(--ease-soft-in-out) infinite;
  }
  .animate-pulse-soft {
    animation: pulseSoft 3s var(--ease-soft-in-out) infinite;
  }

  /* Soften common Tailwind transition utilities */
  .transition,
  .transition-all,
  .transition-colors,
  .transition-opacity,
  .transition-shadow,
  .transition-transform {
    transition-timing-function: var(--ease-soft);
  }
  .duration-75 { transition-duration: 180ms; }
  .duration-100 { transition-duration: 220ms; }
  .duration-150 { transition-duration: 280ms; }
  .duration-200 { transition-duration: 350ms; }
  .duration-300 { transition-duration: 420ms; }
  .ease-out { transition-timing-function: var(--ease-soft); }
  .ease-in-out { transition-timing-function: var(--ease-soft-in-out); }

  /* Soften snappy active scales */
  .active\:scale-90:active {
    transform: scale(0.96);
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-scale {
      opacity: 1;
      animation: none;
    }
    .float-slow,
    .hover-lift,
    .press,
    .animate-pulse-soft,
    .chat-msg-glow {
      transition: none;
      animation: none;
    }
  }
}

/* keyframes live at root so they always exist regardless of layers */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
@keyframes pulseSoft {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes chatMsgGlow {
  0% {
    filter: drop-shadow(0 0 0 transparent);
  }
  35% {
    filter: drop-shadow(0 0 12px color-mix(in srgb, var(--color-gold) 55%, transparent))
      drop-shadow(0 0 28px color-mix(in srgb, var(--color-gold) 28%, transparent));
  }
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
}

.chat-msg-glow {
  animation: chatMsgGlow 1.85s var(--ease-soft) forwards;
  will-change: filter;
}

@keyframes metaprog {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(420%);
  }
}

/* Soften Tailwind ping / pulse defaults for this app */
@keyframes softPing {
  0% {
    transform: scale(1);
    opacity: 0.55;
  }
  75%,
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}
.animate-ping {
  animation: softPing 1.6s var(--ease-soft-in-out) infinite;
}

@keyframes softPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.72;
  }
}
.animate-pulse {
  animation: softPulse 2.8s var(--ease-soft-in-out) infinite;
}

/* ---- skeleton shimmer ------------------------------------------------ */
.skeleton {
  position: relative;
  overflow: hidden;
  background-color: var(--color-muted);
  border-radius: 0.75rem;
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--color-foreground) 8%, transparent),
    transparent
  );
  animation: skeletonShimmer 2s var(--ease-soft-in-out) infinite;
}
@keyframes skeletonShimmer {
  100% {
    transform: translateX(100%);
  }
}

/* ---- global motion safety --------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}