@layer reset, tokens, layout, components;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }

  html {
    font-size: 100%;
    text-size-adjust: none;
    background: var(--paper);
  }

  body {
    margin: 0;
    min-block-size: 100dvh;
    color: var(--text);
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.5;
    background: var(--paper);
  }

  img, svg { display: block; max-inline-size: 100%; }
  button, input, textarea { font: inherit; color: inherit; }
  [hidden] { display: none !important; }

  :focus-visible {
    outline: 0.12rem solid var(--accent);
    outline-offset: 0.15rem;
  }
}

@layer tokens {
  :root {
    color-scheme: dark;
    --paper: #0b0614;
    --ink: #1a0b2e;
    --text: #f7f2ff;
    --muted: #b8a9d4;
    --accent: #f0c14a;
    --accent-hot: #ff5c8a;
    --glow: #7c5cff;
    --panel: color-mix(in oklab, #2a1548 78%, transparent);
    --font-body: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
    --font-display: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
    --step-0: 1rem;
    --step-1: 1.15rem;
    --step-2: clamp(1.5rem, 1.1rem + 1.4vw, 2.2rem);
    --step-3: clamp(2rem, 1.4rem + 2.2vw, 3.2rem);
    --space-s: 0.7rem;
    --space-m: 1rem;
    --space-l: 1.5rem;
    --space-xl: 2.5rem;
    --radius: 0.85rem;
    --measure: 40rem;
    --touch: 2.75rem;
  }
}

@layer layout {
  .shell {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    max-inline-size: var(--measure);
    margin-inline: auto;
    padding: var(--space-l);
    min-block-size: 100dvh;
  }

  .brand {
    font-family: var(--font-display);
    font-size: var(--step-3);
    line-height: 1.05;
    letter-spacing: 0.01em;
    color: var(--accent);
    text-wrap: balance;
  }

  .lede {
    color: var(--muted);
    font-size: var(--step-1);
    max-inline-size: 32rem;
  }

  .chat {
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
    flex: 1;
  }

  .bubble {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
    padding: var(--space-m) var(--space-l);
    border-radius: var(--radius);
    background: var(--panel);
    border: 0.06rem solid color-mix(in oklab, var(--glow) 35%, transparent);
    box-shadow: 0 0 2rem color-mix(in oklab, var(--glow) 18%, transparent);
  }

  .bubble-out {
    align-self: flex-start;
    max-inline-size: 95%;
  }

  .bubble-in {
    align-self: flex-end;
    max-inline-size: 85%;
    background: color-mix(in oklab, var(--accent-hot) 22%, var(--panel));
  }

  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-s);
  }

  .composer {
    display: flex;
    gap: var(--space-s);
    margin-block-start: auto;
  }

  .composer input {
    flex: 1;
    min-block-size: var(--touch);
    border-radius: var(--radius);
    border: 0.06rem solid color-mix(in oklab, var(--accent) 40%, transparent);
    background: color-mix(in oklab, var(--ink) 70%, transparent);
    padding-inline: var(--space-m);
  }
}

@layer components {
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: var(--touch);
    padding-inline: var(--space-m);
    border: 0;
    border-radius: 999px;
    background: linear-gradient(120deg, var(--accent-hot), var(--glow));
    color: white;
    font-weight: 650;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 0.4rem 1.4rem color-mix(in oklab, var(--accent-hot) 35%, transparent);
  }

  .btn-ghost {
    background: transparent;
    border: 0.08rem solid color-mix(in oklab, var(--accent) 55%, transparent);
    color: var(--accent);
    box-shadow: none;
  }

  .report {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
  }

  .report h1, .report h2, .report h3 {
    font-family: var(--font-display);
    color: var(--accent);
    line-height: 1.15;
    margin: 0;
    margin-block-start: var(--space-l);
  }

  .report > :first-child {
    margin-block-start: 0;
  }

  .report h1 { font-size: var(--step-2); }
  .report h2 { font-size: var(--step-1); }
  .report h3 { font-size: var(--step-0); color: color-mix(in oklab, var(--accent) 80%, var(--text)); }

  .report p {
    margin: 0;
  }

  .report strong {
    color: var(--text);
    font-weight: 700;
  }

  .report em {
    color: var(--muted);
    font-style: italic;
  }

  .report ul {
    margin: 0;
    padding-inline-start: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
  }

  .report li::marker {
    color: var(--accent-hot);
  }

  .flash {
    padding: var(--space-s) var(--space-m);
    border-radius: var(--radius);
    font-size: var(--step-0);
  }

  .flash-notice {
    background: color-mix(in oklab, var(--glow) 25%, var(--panel));
    border: 0.06rem solid color-mix(in oklab, var(--glow) 50%, transparent);
    color: var(--text);
  }

  .flash-alert {
    background: color-mix(in oklab, var(--accent-hot) 20%, var(--panel));
    border: 0.06rem solid color-mix(in oklab, var(--accent-hot) 50%, transparent);
    color: var(--text);
  }

  .login-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-m);
    padding: var(--space-l);
    border-radius: var(--radius);
    background: var(--panel);
    border: 0.06rem solid color-mix(in oklab, var(--glow) 35%, transparent);
    box-shadow: 0 0 2rem color-mix(in oklab, var(--glow) 18%, transparent);
    inline-size: 100%;
    max-inline-size: 24rem;
  }

  .login-divider {
    display: flex;
    align-items: center;
    inline-size: 100%;
    color: var(--muted);
    font-size: var(--step-0);
  }

  .login-divider::before,
  .login-divider::after {
    content: "";
    flex: 1;
    border-bottom: 0.06rem solid color-mix(in oklab, var(--glow) 25%, transparent);
  }

  .login-divider span {
    padding-inline: var(--space-s);
  }

  .telegram-widget-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-block-size: 2.75rem;
    inline-size: 100%;
  }

  .widget-hint {
    color: var(--muted);
    font-size: var(--step-0);
    text-align: center;
    margin: 0;
  }
}