/* =========================================================================
   Basic-alive-UI-Campus - components and layout
   Uses role variables only (set by a preset such as presets/toonbee.css).
   Load order: preset -> alive-ui.css -> motion.css -> alive.js
   ========================================================================= */

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

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; display: block; }
:where(a) { color: var(--primary-strong); }
:where(button, input, select, textarea) { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--r-sm); }
.au-icon { width: 1.25em; height: 1.25em; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Type ---------- */
.au-display {
  font-family: var(--font-display);
  font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(2.1rem, 4.2vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 .4em;
  text-wrap: balance;
}
.au-h2 {
  font-family: var(--font-heading);
  font-weight: 700; letter-spacing: -.015em;
  font-size: clamp(1.6rem, 2.6vw, 2.25rem);
  line-height: 1.15;
  margin: 0 0 .35em;
  text-wrap: balance;
}
.au-h3 { font-family: var(--font-heading); font-weight: 600; font-size: 1.2rem; line-height: 1.3; margin: 0; }
.au-eyebrow { font-size: .9rem; margin: 0 0 .75rem; opacity: .9; }
.au-eyebrow b { color: var(--primary-strong); }
.au-lead { font-size: 1.1rem; color: var(--ink-muted); max-width: 60ch; margin: 0 0 1.5rem; }
.au-meta { font-size: .82rem; color: var(--ink-muted); }
.au-accent { color: var(--primary-strong); }
.au-grad-text { background: var(--cta-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.au-mark { background: linear-gradient(transparent 55%, var(--highlight-soft) 55%); padding: 0 .1em; }
.au-underline {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 12' preserveAspectRatio='none'%3E%3Cpath d='M2 9 C 50 2, 120 2, 198 7' fill='none' stroke='%239DA9F3' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 0 100%; background-size: 100% .35em; padding-bottom: .15em;
}
.au-section--dark .au-eyebrow b, .au-section--dark .au-accent { color: var(--highlight); }

/* ---------- Buttons ---------- */
.au-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .7rem;
  min-height: 44px; padding: .7rem 1.4rem;
  border: 0; border-radius: var(--r-sm);
  background: var(--cta-gradient); color: var(--on-primary);
  font-weight: 700; font-size: 1rem; line-height: 1.2; text-decoration: none;
  box-shadow: var(--shadow-3); cursor: pointer; position: relative; overflow: hidden;
  transition: transform var(--dur-fast, 150ms) var(--ease-out, ease), box-shadow var(--dur-fast, 150ms);
  white-space: nowrap; max-width: 100%;
}
.au-btn:hover { transform: translateY(-1px); filter: brightness(.92); }
.au-btn:active { transform: translateY(0) scale(.98); }
.au-btn__arrow { display: inline-grid; place-items: center; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--on-primary); color: var(--primary); }
.au-btn--lg { min-height: 64px; padding: 1.1rem 1.9rem; font-size: 1.15rem; border-radius: var(--r-md); }
.au-btn--ghost { background: var(--surface); color: var(--primary-strong); box-shadow: none; border: 1.5px solid var(--primary); }
.au-section--dark .au-btn--ghost { color: var(--on-dark); border-color: rgba(255,255,255,.3); }
.au-btn--dark { background: var(--dark-solid); color: var(--on-dark); }
.au-btn--dark .au-btn__arrow { background: var(--primary); color: var(--on-primary); }
.au-btn[aria-busy="true"] { pointer-events: none; opacity: .85; }
.au-btn[aria-busy="true"]::after { content: ""; width: 1em; height: 1em; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: au-spin .7s linear infinite; }
.au-icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink); cursor: pointer; position: relative;
}
.au-trust { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; font-size: .82rem; opacity: .85; margin-top: .9rem; }

/* Tooltip: any element with data-tip */
[data-tip] { position: relative; }
[data-tip]:hover::before, [data-tip]:focus-visible::before {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--dark-solid); color: var(--on-dark); font-size: .78rem; font-weight: 500; white-space: nowrap;
  padding: .35rem .6rem; border-radius: var(--r-sm); z-index: 50; pointer-events: none;
}

/* ---------- Cards ---------- */
.au-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-1); padding: 1.35rem; min-width: 0;
  display: flex; flex-direction: column; gap: 1rem;
}
.au-card > .au-card__head { margin: -1.35rem -1.35rem 0; }
.au-card__head {
  display: flex; align-items: center; gap: .8rem; min-height: 68px; padding: .8rem 1.35rem;
  background: var(--head-1); color: var(--on-head); border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.au-card__head .au-h3 { flex: 1; min-width: 0; }
.au-card__head--2 { background: var(--head-2); }
.au-card__head--3 { background: var(--head-3); }
.au-card__head--4 { background: var(--head-4); }
.au-card__head-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.9); color: #271A38; flex: none; }
.au-card--feature {
  background: var(--card-gradient); border: 1px solid var(--card-border); border-radius: var(--r-lg);
  border-top: 4px solid var(--stripe, var(--primary));
  padding: 2rem; box-shadow: none;
}
.au-card--stripe-2 { --stripe: #9CC7F2; } .au-card--stripe-3 { --stripe: #63D19A; } .au-card--stripe-4 { --stripe: #FFC933; }
.au-card--dark { background: var(--dark-band); background-color: var(--dark-solid); color: var(--on-dark); border-color: transparent; }
.au-card--dark .au-meta { color: var(--on-dark-muted); }
.au-zone { background: var(--surface-alt); border-radius: var(--r-xl); padding: 1.25rem; }
.au-create-tile {
  display: grid; place-items: center; gap: .5rem; min-height: 180px; text-align: center;
  border: 2px dashed var(--border); border-radius: var(--r-lg); color: var(--ink-muted); background: transparent; cursor: pointer;
}
.au-create-tile__plus { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--cta-gradient); color: var(--on-primary); font-size: 1.8rem; }

/* ---------- Small pieces ---------- */
.au-chip {
  display: inline-flex; align-items: center; gap: .45rem; padding: .4rem .85rem;
  border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--border);
  font-size: .9rem; font-weight: 500; white-space: nowrap; box-shadow: var(--shadow-1);
}
.au-chip--active { background: var(--primary); color: var(--on-primary); border-color: transparent; }
.au-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.au-sticker {
  display: inline-block; padding: .35rem .9rem; border-radius: var(--r-sm);
  background: var(--highlight); color: #271A38; font-family: var(--font-heading); font-weight: 700; font-size: .95rem;
  transform: rotate(-2deg); box-shadow: var(--shadow-2);
}
.au-sticker--corner { position: absolute; top: -14px; right: 18px; z-index: 2; }
.au-badge { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .65rem; border-radius: var(--r-pill); font-size: .8rem; font-weight: 600; white-space: nowrap; }
.au-badge--success { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.au-badge--danger  { color: var(--danger);  background: color-mix(in srgb, var(--danger) 10%, transparent); }
.au-badge--warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 12%, transparent); }
.au-badge--info    { color: var(--info);    background: color-mix(in srgb, var(--info) 10%, transparent); }
.au-icon-tile { display: grid; place-items: center; width: 48px; height: 48px; border-radius: var(--r-md); background: var(--tile-1); color: var(--ink); flex: none; }
.au-icon-tile .au-icon { width: 24px; height: 24px; }
.au-icon-tile--2 { background: var(--tile-2); } .au-icon-tile--3 { background: var(--tile-3); } .au-icon-tile--4 { background: var(--tile-4); }
.au-icon-tile--lg { width: 64px; height: 64px; border-radius: var(--r-lg); }
.au-icon-tile--lg .au-icon { width: 30px; height: 30px; }
.au-stat { display: flex; align-items: center; gap: .9rem; }
.au-stat__value { font-family: var(--font-heading); font-weight: 700; font-size: 1.7rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.au-stat__label { font-size: .85rem; color: var(--ink-muted); }
.au-avatar { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--tile-2); color: #271A38; font-weight: 700; font-size: .85rem; flex: none; object-fit: cover; }
.au-avatar-stack { display: flex; }
.au-avatar-stack > * { margin-left: -10px; border: 3px solid var(--surface); }
.au-avatar-stack > :first-child { margin-left: 0; }
.au-rating { display: flex; align-items: center; gap: .75rem; }
.au-stars { color: #F5B301; letter-spacing: 2px; }
.au-frame { position: relative; border: 6px solid var(--highlight); border-radius: var(--r-lg); overflow: visible; background: #000; }
.au-frame > img, .au-frame > video { border-radius: calc(var(--r-lg) - 6px); width: 100%; }
.au-field { position: relative; display: block; }
.au-field .au-icon { position: absolute; left: .9rem; top: 50%; transform: translateY(-50%); color: var(--ink-muted); pointer-events: none; }
.au-input {
  width: 100%; min-height: 44px; padding: .65rem .9rem .65rem 2.7rem;
  border: 1.5px solid var(--border); border-radius: var(--r-md); background: var(--surface);
}
.au-input:focus { outline: none; border-color: var(--primary); box-shadow: var(--focus-ring); }
.au-label { display: block; font-size: .85rem; font-weight: 600; margin: 0 0 .35rem; }
.au-toast { position: fixed; left: 1rem; bottom: 1rem; z-index: 60; max-width: 320px; }
.au-check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.au-check-list li { display: flex; gap: .6rem; align-items: flex-start; }
.au-yes { color: var(--highlight); } .au-no { color: var(--danger); }

/* ---------- Empty state ---------- */
.au-empty { display: grid; justify-items: center; text-align: center; gap: .6rem; padding: 2rem 1rem; color: var(--ink-muted); }
.au-empty__icon { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--tile-2); color: var(--ink); }
.au-empty__icon .au-icon { width: 32px; height: 32px; }

/* ---------- Sections (landing mode) ---------- */
.au-section { position: relative; padding: clamp(3rem, 7vw, 6rem) 0; background: var(--bg); }
.au-section--alt { background: var(--surface-alt); }
.au-section--dark { background: var(--dark-band); background-color: var(--dark-solid); color: var(--on-dark); overflow: hidden; isolation: isolate; }
.au-section--dark .au-lead, .au-section--dark .au-meta { color: var(--on-dark-muted); }
.au-motif::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: var(--motif-color);
  -webkit-mask-image: var(--motif); mask-image: var(--motif);
  -webkit-mask-size: var(--motif-size); mask-size: var(--motif-size);
}
.au-container { width: min(100% - 2rem, 1280px); margin-inline: auto; }
@media (min-width: 1700px) { .au-container { width: min(100% - 4rem, 1560px); } }  /* big screens get bigger content, not wider margins */
.au-center { text-align: center; } .au-center .au-lead { margin-inline: auto; }
.au-hero { display: grid; gap: 2.5rem; align-items: center; grid-template-columns: 1.05fr 1fr; }
.au-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.au-step__num { font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; line-height: 1; color: var(--primary-strong); }
.au-compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.25rem; align-items: center; }
.au-vs { font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--primary-strong); }
.au-marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.au-marquee__track { display: flex; gap: .75rem; width: max-content; }
.au-footer { background: var(--dark-solid); color: var(--on-dark); padding: 4rem 0 2rem; }
.au-footer a { color: var(--on-dark-muted); text-decoration: none; }

/* ---------- Layout helpers (app mode) ---------- */
.au-app { display: grid; grid-template-columns: auto 1fr; height: 100dvh; overflow: hidden; background: var(--bg); }
.au-app__main { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: auto; padding: 1.25rem; gap: 1.25rem; }
.au-sidebar {
  position: sticky; top: 0; height: 100dvh; width: 248px; display: flex; flex-direction: column; gap: .25rem;
  padding: 1rem .75rem; background: var(--dark-solid); color: var(--on-dark); overflow: hidden;
}
.au-sidebar a { display: flex; align-items: center; gap: .7rem; padding: .6rem .8rem; border-radius: var(--r-md); color: var(--on-dark-muted); text-decoration: none; font-weight: 500; }
.au-sidebar a[aria-current="page"], .au-sidebar a:hover { background: rgba(255,255,255,.08); color: var(--on-dark); }
.au-sidebar a[aria-current="page"] .au-icon { color: var(--highlight); }
/* auto-fit: with few items the cards widen to fill the row instead of leaving an empty right side */
.au-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
@media (min-width: 1600px) { .au-grid { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); } }
.au-grid.au-grid--tiles { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.au-split { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: stretch; }
.au-split--rev { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.au-rail { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1600px) { .au-rail { grid-template-columns: minmax(0, 1fr) 340px; } }
.au-equal { display: grid; gap: 1.25rem; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); align-items: stretch; }
.au-equal > * { height: 100%; }
.au-stack { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }
.au-stack > :last-child { flex: 1; min-height: 0; }  /* last card of a column grows: columns end on the same line */
.au-fill { flex: 1; min-height: 0; }
.au-sticky { align-self: start; }
@media (min-width: 1024px) { .au-sticky { position: sticky; top: 1.25rem; max-height: calc(100dvh - 2.5rem); } }

/* Scroll inside a card: ~10 rows visible, sticky header, fade + "more below" */
.au-scroll {
  position: relative; overflow: auto; max-height: min(70vh, 560px); min-height: 0;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent; overscroll-behavior: contain;
}
.au-scroll::-webkit-scrollbar { width: 8px; } .au-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
.au-scroll-wrap { position: relative; min-height: 0; display: flex; flex-direction: column; }
.au-scroll-wrap::after {
  content: ""; position: absolute; left: 0; right: 8px; bottom: 0; height: 48px; pointer-events: none;
  background: linear-gradient(transparent, var(--surface)); opacity: 0; transition: opacity .2s;
}
.au-scroll-wrap.has-more::after { opacity: 1; }
.au-more {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); z-index: 2;
  border: 0; border-radius: var(--r-pill); padding: .3rem .8rem; font-size: .8rem; font-weight: 600;
  background: var(--dark-solid); color: var(--on-dark); box-shadow: var(--shadow-2); cursor: pointer;
}
/* In a fixed screen the list fills the rest of its card instead of stopping halfway */
.au-card > .au-scroll-wrap:has(.au-scroll--fill), .au-scroll-wrap:has(> .au-scroll--fill) { flex: 1; }
.au-scroll--fill { flex: 1; max-height: none; }
@media (max-width: 900px) { .au-scroll--fill { max-height: min(70vh, 560px); } }
.au-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
@media (max-width: 600px) {
  .au-hide-sm { display: none; }          /* secondary columns leave on phones; exports keep them */
  .au-table th, .au-table td { padding: .55rem .45rem; }
}
.au-table th { position: sticky; top: 0; z-index: 1; background: var(--surface); text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-muted); padding: .6rem .75rem; border-bottom: 1px solid var(--border); }
.au-table td { padding: .65rem .75rem; border-bottom: 1px solid var(--border); }
.au-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.au-row { display: flex; align-items: center; gap: .8rem; padding: .65rem .25rem; border-bottom: 1px solid var(--border); min-width: 0; }
.au-row > .au-grow-1 { flex: 1; min-width: 0; }
.au-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Actions always visible */
.au-actionbar {
  position: sticky; bottom: 0; z-index: 5; display: flex; justify-content: flex-end; gap: .75rem; flex-wrap: wrap;
  padding: .85rem 1rem; background: var(--surface); border-top: 1px solid var(--border);
  border-radius: 0 0 var(--r-lg) var(--r-lg); box-shadow: 0 -8px 20px rgba(0,0,0,.05);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .au-hero { grid-template-columns: 1fr; }
  .au-split, .au-split--rev { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .au-app { grid-template-columns: 1fr; height: auto; overflow: visible; }
  .au-sidebar { display: none; }
  .au-equal { grid-auto-flow: row; }
  .au-compare { grid-template-columns: 1fr; }
  .au-vs { justify-self: center; }
}
@media (max-width: 600px) {
  .au-card { padding: 1rem; } .au-card > .au-card__head { margin: -1rem -1rem 0; }
  .au-card--feature { padding: 1.4rem; }
  .au-btn { white-space: normal; text-align: center; }
  .au-btn--lg { min-height: 56px; font-size: 1.05rem; }
}
@media (hover: none) and (pointer: coarse) {
  .au-btn, .au-icon-btn, .au-input { min-height: 48px; }
  .kbd-hint, kbd { display: none; }
}
@keyframes au-spin { to { transform: rotate(360deg); } }