/* Dr. Kavita Dhingra — "The Parent's Guide" (kavita-dhingra build).
   Sky paper, slate ink, sunshine accent used sparingly. Rounded panels
   held by borders, never shadows. Rounded system stack only — this site
   works offline. Layered cascade. */
@layer base, components;

@layer base {
  :root {
    color-scheme: light dark;
    --paper: #eef4f8;
    --ink: #33424e;
    --ink-soft: color-mix(in srgb, var(--ink) 62%, transparent);
    --line: color-mix(in srgb, var(--ink) 16%, transparent);
    --card: #ffffff;
    --sun: #e8b93b;
    --sun-deep: #8a6510; /* accent as text on light paper */
    --on-sun: #33424e;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper: #141f28;
      --ink: #dfe9ef;
      --ink-soft: color-mix(in srgb, var(--ink) 60%, transparent);
      --line: color-mix(in srgb, var(--ink) 22%, transparent);
      --card: #1c2a35;
      --sun-deep: #e8b93b;
    }
  }
  :root[data-theme="dark"] {
    --paper: #141f28;
    --ink: #dfe9ef;
    --ink-soft: color-mix(in srgb, var(--ink) 60%, transparent);
    --line: color-mix(in srgb, var(--ink) 22%, transparent);
    --card: #1c2a35;
    --sun-deep: #e8b93b;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 16px/1.65 ui-rounded, system-ui, "Segoe UI", "Noto Sans", sans-serif;
  }
  h1, h2, h3 {
    font-weight: 700;
    line-height: 1.22;
    letter-spacing: -0.015em;
    margin: 0 0 12px;
  }
  h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); }
  a {
    color: inherit;
    text-decoration-color: color-mix(in srgb, var(--sun) 70%, transparent);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    &:hover { text-decoration-color: var(--sun); }
  }
  a:focus-visible, button:focus-visible, input:focus-visible, output:focus-visible {
    outline: 2px solid var(--sun);
    outline-offset: 2px;
  }
  section { scroll-margin-top: 92px; }
}

@layer components {
  .skip-link {
    position: absolute;
    inset-inline-start: -999px;
    &:focus {
      inset-inline-start: 12px;
      inset-block-start: 8px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 8px 14px;
      z-index: 20;
    }
  }

  /* ---- header: brand + guide contents ---- */
  .guide-head {
    position: sticky;
    inset-block-start: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 16px;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(6px);
    border-block-end: 1px solid var(--line);
  }
  .brand {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
  }
  .brand-mark {
    display: grid;
    place-items: center;
    inline-size: 40px;
    block-size: 40px;
    flex: none;
    border: 2px solid var(--sun);
    border-radius: 14px;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--sun-deep);
  }
  .brand-text {
    display: grid;
    line-height: 1.25;
    min-width: 0;
  }
  .brand-name {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .brand-sub { display: none; font-size: 0.78rem; color: var(--ink-soft); }
  @media (min-width: 720px) { .brand-sub { display: block; } }

  .guide-nav {
    margin-inline-start: auto;
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    &::-webkit-scrollbar { display: none; }
  }
  .guide-link {
    padding: 7px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--ink-soft);
    border: 1px solid transparent;
    border-radius: 999px;
    white-space: nowrap;
    &:hover { color: var(--ink); border-color: var(--line); }
    &[aria-current="true"] {
      color: var(--ink);
      border-color: var(--sun);
      background: color-mix(in srgb, var(--sun) 14%, transparent);
    }
  }
  .link-no {
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    color: var(--sun-deep);
    margin-inline-end: 4px;
  }
  .guide-link-talk { color: var(--sun-deep); }

  .theme-toggle {
    flex: none;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--ink);
    border-radius: 999px;
    padding: 8px;
    cursor: pointer;
    & .ic-moon { display: none; }
  }
  [data-theme="dark"] .theme-toggle {
    & .ic-sun { display: none; }
    & .ic-moon { display: block; }
  }

  /* ---- the guide ---- */
  .guide-main {
    max-width: 880px;
    margin: 0 auto;
    padding: 26px 18px 80px;
  }
  .guide-part {
    margin-block-start: 26px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: var(--card);
  }
  .part-close { font-weight: 600; margin: 18px 0 0; }
  .part-note { font-weight: 400; font-size: 0.88rem; color: var(--ink-soft); }

  .ask-chip {
    width: fit-content;
    margin: 0 0 14px;
    padding: 5px 14px;
    font-size: 0.82rem;
    font-style: italic;
    color: var(--ink-soft);
    border: 1px solid var(--line);
    border-inline-start: 3px solid var(--sun);
    border-radius: 999px;
  }

  /* ---- welcome: hero ---- */
  .welcome {
    display: grid;
    gap: 26px;
    padding-block: 22px 6px;
    @media (min-width: 720px) {
      grid-template-columns: 1.25fr 0.9fr;
      align-items: center;
    }
  }
  .welcome h1 {
    font-size: clamp(2rem, 5.6vw, 3.1rem);
    margin-block-end: 14px;
  }
  .welcome-line { font-size: 1.12rem; margin: 0 0 10px; }
  .welcome-note { color: var(--ink-soft); font-size: 0.92rem; }

  .welcome-art {
    margin: 0;
    padding: 22px 22px 14px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: var(--card);
    & svg { inline-size: min(190px, 62%); display: block; margin-inline: auto; }
    & figcaption {
      margin-block-start: 10px;
      font-size: 0.85rem;
      text-align: center;
      color: var(--ink-soft);
    }
  }
  .kite-sky { fill: color-mix(in srgb, var(--sun) 22%, transparent); }
  .kite-sail {
    fill: var(--card);
    stroke: var(--ink);
    stroke-width: 3;
    stroke-linejoin: round;
  }
  .kite-spar { fill: none; stroke: var(--ink); stroke-width: 2; }
  .kite-string, .kite-tail {
    fill: none;
    stroke: var(--ink);
    stroke-width: 2.4;
    stroke-linecap: round;
  }
  .kite-bow {
    fill: none;
    stroke: var(--sun);
    stroke-width: 3;
    stroke-linecap: round;
  }

  /* ---- when: the signs ---- */
  .sign-grid {
    display: grid;
    gap: 12px;
    margin-block-start: 18px;
    @media (min-width: 640px) { grid-template-columns: 1fr 1fr; }
  }
  .sign-card {
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--paper) 55%, var(--card));
    & h3 { font-size: 1.05rem; margin-block-end: 6px; }
    & p { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }
  }

  /* ---- assessment: the 1-2-3 stepper ---- */
  .step-track {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
    @media (min-width: 700px) { grid-template-columns: repeat(3, 1fr); }
  }
  .step {
    display: grid;
    gap: 8px;
    align-content: start;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--paper) 55%, var(--card));
    & h3 { margin: 0; font-size: 1.15rem; }
    & p { margin: 0; font-size: 0.94rem; color: var(--ink-soft); }
  }
  .step-no {
    display: grid;
    place-items: center;
    inline-size: 34px;
    block-size: 34px;
    border-radius: 999px;
    background: var(--sun);
    color: var(--on-sun);
    font-weight: 800;
  }

  /* ---- centre: place + first call ---- */
  .centre-grid {
    display: grid;
    gap: 12px;
    @media (min-width: 640px) { grid-template-columns: 1fr 1fr; }
  }
  .place-card {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--paper) 55%, var(--card));
    & h3 { font-size: 1.05rem; }
    & p { margin: 0 0 8px; }
  }
  .place-line { font-weight: 600; }
  .place-tel, .talk-tel { font-variant-numeric: tabular-nums; }

  /* ---- about ---- */
  .about-grid {
    display: grid;
    gap: 18px;
    @media (min-width: 640px) { grid-template-columns: 150px 1fr; }
  }
  .portrait-slot {
    display: grid;
    place-items: center;
    gap: 8px;
    align-content: center;
    min-height: 150px;
    padding: 12px;
    border: 1.5px dashed var(--line);
    border-radius: 18px;
  }
  .monogram {
    display: grid;
    place-items: center;
    inline-size: 64px;
    block-size: 64px;
    border: 2px solid var(--sun);
    border-radius: 20px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--sun-deep);
  }
  .portrait-note { font-size: 0.72rem; color: var(--ink-soft); text-align: center; }
  .about-body p { margin: 0 0 10px; }
  .about-sources { font-size: 0.86rem; color: var(--ink-soft); }

  /* ---- talk: the note home ---- */
  .talk-form {
    display: grid;
    gap: 8px;
    max-width: 500px;
  }
  .talk-label {
    font-size: 0.85rem;
    font-weight: 700;
    margin-block-start: 8px;
  }
  .talk-optional { font-weight: 400; color: var(--ink-soft); }
  .talk-field {
    font: inherit;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--paper);
    color: inherit;
    &::placeholder { color: var(--ink-soft); }
  }
  .talk-field.invalid {
    border: 2px solid var(--sun);
    padding: 9px 13px;
  }
  .talk-error {
    min-height: 1.2em;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--sun-deep);
  }
  .talk-submit {
    justify-self: start;
    font: inherit;
    font-weight: 700;
    padding: 11px 26px;
    border: 0;
    border-radius: 999px;
    background: var(--sun);
    color: var(--on-sun);
    cursor: pointer;
    &:hover { filter: brightness(1.05); }
  }
  .talk-fallback { font-size: 0.9rem; color: var(--ink-soft); }

  /* ---- footer ---- */
  .guide-foot {
    border-block-start: 1px solid var(--line);
    padding: 22px 18px 40px;
    text-align: center;
  }
  .foot-rule { margin: 0 0 6px; font-size: 0.9rem; }
  .foot-note {
    margin: 0 auto;
    max-width: 60ch;
    font-size: 0.8rem;
    color: var(--ink-soft);
  }
}