/* ==========================================================================
   Brady Finnell — Portfolio
   Design system extends the brand tokens from the supplied index-2.html:
   Satoshi, warm light surfaces, dark theme, teal #01696f, pill buttons,
   atmospheric teal/navy gradient, split-panel character.
   ========================================================================== */

/* ---- Self-hosted Satoshi (Fontshare ITF FFL, see assets/fonts/LICENSE) ---- */
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-900.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
  font-style: normal;
}

/* ---- Tokens ---- */
:root,
[data-theme="light"] {
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 6.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --color-bg: #f7f6f2;
  --color-surface: #f9f8f5;
  --color-surface-2: #fbfbf9;
  --color-border: #d4d1ca;
  --color-text: #28251d;
  /* Muted darkened from brand #6f6d67 -> AA on light surfaces */
  --color-text-muted: #605e57;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-text-inverse: #f9f8f4;
  --color-focus: #01696f;
  /* Atmospheric gradient stops (teal/navy) — simplified */
  --grad-1: rgba(1, 105, 111, 0.12);
  --grad-2: rgba(23, 42, 69, 0.1);
  --panel-glow: rgba(1, 105, 111, 0.14);
  --shadow-lg: 0 18px 40px rgba(24, 22, 18, 0.12);
  --shadow-sm: 0 4px 14px rgba(24, 22, 18, 0.08);
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --font-body: "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --maxw: 1240px;
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #1c1b19;
  --color-surface-2: #201f1d;
  --color-border: #393836;
  --color-text: #e4e3e1;
  --color-text-muted: #a8a6a0;
  --color-primary: #4f98a3;
  --color-primary-hover: #7bb6bf;
  --color-text-inverse: #10201f;
  --color-focus: #7bb6bf;
  --grad-1: rgba(79, 152, 163, 0.16);
  --grad-2: rgba(23, 42, 69, 0.42);
  --panel-glow: rgba(79, 152, 163, 0.18);
  --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.44);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.34);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #171614;
    --color-surface: #1c1b19;
    --color-surface-2: #201f1d;
    --color-border: #393836;
    --color-text: #e4e3e1;
    --color-text-muted: #a8a6a0;
    --color-primary: #4f98a3;
    --color-primary-hover: #7bb6bf;
    --color-text-inverse: #10201f;
    --color-focus: #7bb6bf;
    --grad-1: rgba(79, 152, 163, 0.16);
    --grad-2: rgba(23, 42, 69, 0.42);
    --panel-glow: rgba(79, 152, 163, 0.18);
    --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.44);
    --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.34);
  }
}

/* ---- Reset / base ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  color-scheme: light dark;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(120% 90% at 85% -10%, var(--grad-2), transparent 55%),
    radial-gradient(80% 60% at 100% 40%, var(--grad-1), transparent 60%),
    radial-gradient(circle at bottom left, var(--grad-1), transparent 30%),
    var(--color-bg);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--color-primary);
}
a:hover {
  color: var(--color-primary-hover);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
}

/* ---- Focus visibility (WCAG) ---- */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.prompts-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.submit-new-prompts-btn {
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-4);
  z-index: 200;
}
.skip-link:focus {
  left: var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  outline: 3px solid var(--color-focus);
  box-shadow: var(--shadow-lg);
}

/* ---- Layout shell ---- */
.container {
  width: min(100%, var(--maxw));
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ---- Site header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
  padding-block: var(--space-2);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--text-sm);
}
.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  color: var(--color-primary);
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-list {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition:
    background var(--transition),
    color var(--transition);
}
.nav-list a:hover {
  background: var(--panel-glow);
  color: var(--color-primary-hover);
}
.nav-list a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--panel-glow);
  font-weight: 700;
}

.theme-toggle {
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition);
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: var(--color-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: grid;
    place-items: center;
    min-width: 44px;
    min-height: 44px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
  }
  .primary-nav {
    position: absolute;
    inset: 64px var(--space-6) auto var(--space-6);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    box-shadow: var(--shadow-lg);
  }
  .primary-nav[hidden] {
    display: none;
  }
  .nav-list {
    flex-direction: column;
    gap: var(--space-1);
  }
  .nav-list a {
    justify-content: flex-start;
  }
}

/* ---- Main ---- */
main {
  flex: 1 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}
.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}
.btn--block {
  width: 100%;
}
.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}
.btn .icon {
  width: 1.1em;
  height: 1.1em;
  flex: 0 0 auto;
}

/* ---- Eyebrow / pills ---- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--panel-glow);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accent {
  color: var(--color-primary);
}

/* ---- Panels ---- */
.panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    var(--color-surface-2),
    var(--color-surface)
  );
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

/* ========================================================================
   HOME
   ======================================================================== */
.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-16));
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.hero__title {
  margin: var(--space-4) 0 0;
  font-size: var(--text-hero);
  line-height: 0.92;
  letter-spacing: -0.04em;
  font-weight: 900;
  text-transform: uppercase;
}
.hero__role {
  margin: var(--space-4) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero__lead {
  margin: var(--space-6) 0 0;
  max-width: 62ch;
  color: var(--color-text);
  font-size: var(--text-lg);
}
.hero__actions {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}
.hero__aside {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background:
    radial-gradient(120% 100% at 80% 10%, var(--grad-2), transparent 60%),
    radial-gradient(90% 80% at 20% 90%, var(--panel-glow), transparent 60%),
    linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.hero__mark {
  width: 55%;
  max-width: 220px;
  color: var(--color-primary);
  opacity: 0.92;
}

@media (max-width: 860px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__aside {
    min-height: 220px;
    order: -1;
  }
  .hero__actions {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 420px) {
  .hero__actions {
    grid-template-columns: 1fr;
  }
}

/* ---- Page header (interior pages) ---- */
.page-head {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12)) var(--space-6);
}
.page-head h1 {
  margin: var(--space-3) 0 0;
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 900;
  text-transform: uppercase;
}
.page-head p {
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
  max-width: 62ch;
}

/* ========================================================================
   SPLIT LAYOUT (portfolio + prompts): left rail + right work area
   ======================================================================== */
.split {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-16);
  align-items: start;
}
.rail {
  position: sticky;
  top: 80px;
  align-self: start;
}
.rail__label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}
.filter-select {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-4);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-base);
  cursor: pointer;
}
.rail__list {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  max-height: 60vh;
  overflow-y: auto;
}
.rail__item + .rail__item {
  border-top: 1px solid var(--color-border);
}
.rail__btn {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  min-height: 48px;
  padding: var(--space-3);
  background: transparent;
  border: 0;
  border-radius: var(--radius-md);
  text-align: left;
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition);
}
.rail__btn > span:first-child {
  grid-column: 1;
  min-width: 0;
}
.rail__btn:hover {
  background: var(--panel-glow);
}
.rail__btn[aria-current="true"] {
  background: var(--panel-glow);
  color: var(--color-primary);
  font-weight: 700;
}
/* Selected teal text sits on the glow tint; use a brighter teal in dark mode
   so it clears WCAG AA 4.5:1 for normal-weight/near-normal text. */
[data-theme="dark"] .rail__btn[aria-current="true"],
[data-theme="dark"] .detail__eyebrow,
[data-theme="dark"] .nav-list a[aria-current="page"] {
  color: #7bc0ca;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .rail__btn[aria-current="true"],
  :root:not([data-theme]) .detail__eyebrow,
  :root:not([data-theme]) .nav-list a[aria-current="page"] {
    color: #7bc0ca;
  }
}
.rail__btn .chev {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  opacity: 0.6;
}
.rail__cat {
  flex: 0 0 auto;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  white-space: nowrap;
}

/* Right work area */
.work {
  min-width: 0; /* prevent overflow in grid */
}
.detail {
  padding: clamp(var(--space-6), 4vw, var(--space-12));
}
.detail__eyebrow {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0;
}
.detail__title {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
}
.detail__tagline {
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}
.detail__context {
  margin: var(--space-4) 0 0;
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--color-primary);
  background: var(--panel-glow);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.detail__desc {
  margin: var(--space-6) 0 0;
}
.detail h3 {
  margin: var(--space-6) 0 var(--space-2);
  font-size: var(--text-lg);
}
.taglist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}
.tag {
  font-size: var(--text-sm);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}
.highlights {
  margin: var(--space-2) 0 0;
  padding-left: 1.2rem;
}
.highlights li {
  margin-bottom: var(--space-2);
}

.detail__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  align-items: center;
  justify-content: flex-end;
}

/* Code | Demo toggle */
.toggle-group {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px;
  background: var(--color-surface-2);
  gap: 2px;
}
.toggle-group button {
  min-height: 40px;
  padding: 0 var(--space-4);
  border: 0;
  background: transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition);
}
.toggle-group button[aria-selected="true"] {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Content viewer */
.viewer {
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  overflow: hidden;
}
.viewer__frame {
  width: 100%;
  height: min(70vh, 640px);
  border: 0;
  display: block;
  background: #fff;
}
.viewer__image {
  padding: var(--space-4);
}
.viewer__image img {
  border-radius: var(--radius-md);
  margin-inline: auto;
}
.doc-scroll {
  max-height: min(70vh, 640px);
  overflow-y: auto;
  padding: var(--space-6);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  line-height: 1.7;
}
.doc-scroll p {
  margin: 0 0 var(--space-4);
}
.doc-scroll p:first-child {
  font-weight: 700;
}
.doc-caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }
  .rail {
    position: static;
  }
  .rail__list {
    max-height: 40vh;
  }
  .detail__toolbar {
    justify-content: flex-start;
  }
}

.viewer__image video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: inherit;
  background: #000;
}

/* ========================================================================
   PROMPTS
   ======================================================================== */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}
.prompt-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    var(--color-surface-2),
    var(--color-surface)
  );
  box-shadow: var(--shadow-sm);
}
.prompt-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}
.prompt-card__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.prompt-card__cat {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
}
.prompt-card__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  flex: 1 1 auto;
}
.prompt-card__author {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.prompt-card__actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}
.icon-btn {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition:
    border-color var(--transition),
    color var(--transition);
}
.icon-btn:hover,
.icon-btn:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.icon-btn .icon {
  width: 1.2em;
  height: 1.2em;
}

/* Prompt detail (same page) */
.prompt-detail {
  padding: clamp(var(--space-6), 4vw, var(--space-12));
}
.prompt-detail__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin: var(--space-6) 0;
}
.prompt-text {
  margin: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  font-family:
    ui-monospace, "SFMono-Regular", "Cascadia Code", "Consolas", monospace;
  font-size: 0.95rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: min(60vh, 520px);
  overflow-y: auto;
}
.prompt-empty {
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
}

.search-wrap {
  position: relative;
  margin-bottom: var(--space-4);
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-4) 0 2.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-base);
  transition: border-color var(--transition);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-input:focus {
  border-color: var(--color-primary);
}

.search-input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.search-wrap .search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 1.1em;
  height: 1.1em;
  color: var(--color-text-muted);
  pointer-events: none;
}

/* ========================================================================
   GENAI GUIDE
   ======================================================================== */
.guide-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: var(--space-8) 0;
}
.guide-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  transition:
    border-color var(--transition),
    background var(--transition);
}
.guide-nav a:hover,
.guide-nav a:focus-visible {
  border-color: var(--color-primary);
  background: var(--panel-glow);
  color: var(--color-primary);
}

.guide-section {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 80px;
}
.guide-section > h2 {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  text-transform: uppercase;
}
.guide-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}
.guide-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    var(--color-surface-2),
    var(--color-surface)
  );
}
.guide-card h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  color: var(--color-primary);
}
.callout {
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid var(--color-primary);
  background: var(--panel-glow);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: var(--space-6) 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}
table.model-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
table.model-table caption {
  text-align: left;
  padding: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  caption-side: top;
}
table.model-table th,
table.model-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
table.model-table thead th {
  background: var(--color-surface-2);
  font-weight: 700;
}
table.model-table td.placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================================================
   CONTACT
   ======================================================================== */
.form-wrap {
  max-width: 640px;
  padding: clamp(var(--space-6), 4vw, var(--space-12));
}
.field {
  margin-bottom: var(--space-6);
}
.field label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}
.field .req {
  color: var(--color-primary);
}
.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-base);
}
.field textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--color-primary);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #b3261e;
}
[data-theme="dark"] .field input[aria-invalid="true"],
[data-theme="dark"] .field textarea[aria-invalid="true"] {
  border-color: #ff8a80;
}
.field__error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: #b3261e;
  min-height: 1.2em;
}
[data-theme="dark"] .field__error {
  color: #ff8a80;
}
.form-status {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 500;
}
.form-status.is-ok {
  background: var(--panel-glow);
  color: var(--color-primary);
}
.form-status.is-err {
  background: rgba(179, 38, 30, 0.12);
  color: #b3261e;
}
[data-theme="dark"] .form-status.is-err {
  color: #ff8a80;
}

/* ---- Header action cluster + small utilities ---- */
.header-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.mt-6 {
  margin-top: var(--space-6);
}
.doc-caption--flush {
  border: 0;
  padding-left: 0;
}

/* ---- Screen-reader only ---- */
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================================================
   MODAL
   ======================================================================== */
.modal[hidden] {
  display: none;
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  background: rgba(10, 12, 14, 0.55);
  backdrop-filter: blur(3px);
}
.modal__dialog {
  width: min(100%, 460px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
}
.modal__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
}
.modal__body {
  margin: 0 0 var(--space-6);
  color: var(--color-text-muted);
}
.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: var(--space-16);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-8);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}
.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}
.footer-meta {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---- Toast / live region ---- */
.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-8);
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-6);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  font-weight: 700;
  font-size: var(--text-sm);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition),
    transform var(--transition);
  z-index: 400;
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}