/* ==========================================================================
   MODS4 — INTERACTIVE (Phase 4)
   Live search dropdown · Mod Card grid · AJAX filters · Download modal.
   Builds on the Phase 1 token system (tokens.css) + .glass utility.
   ========================================================================== */

/* ----- Live search dropdown ----- */
.search--live { position: relative; }

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  padding: var(--space-2);
  max-height: 60vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  animation: m4-fade-in 0.18s var(--ease) both;
}
.search-results__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text);
}
.search-results__item:hover,
.search-results__item.is-active {
  background: var(--surface-2);
  color: var(--text-strong);
}
.search-results__item img,
.search-results__noimg {
  width: 40px; height: 40px;
  flex: none;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--surface-2);
}
.search-results__title { flex: 1; font-size: var(--fs-meta); }
.search-results__ver { font-size: var(--fs-xs); color: var(--text-muted); }

/* ----- Mod Card + responsive grid ----- */
.mods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.mods-grid.is-loading { pointer-events: none; }
.mods-grid__empty {
  grid-column: 1 / -1;
  padding: var(--space-10);
  text-align: center;
  color: var(--text-muted);
}

.mod-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.mod-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-float);
  border-color: var(--border-strong);
}
.mod-card__link { display: flex; flex-direction: column; color: inherit; }
.mod-card__media { position: relative; aspect-ratio: 16 / 10; background: var(--surface-2); }
.mod-card__media img { width: 100%; height: 100%; object-fit: cover; }
.mod-card__size {
  position: absolute; top: 8px; right: 8px;
  padding: 2px 6px;
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--blur-sm));
  backdrop-filter: blur(var(--blur-sm));
  color: var(--text);
}
.mod-card__badge {
  position: absolute; top: 8px; left: 8px;
  padding: 2px 8px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
  background: var(--success-500);
  color: #06210f;
}
.mod-card__body { padding: var(--space-4); }
.mod-card__title { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.mod-card__meta {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.mod-card__game {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-hover);
}
.mod-card__rating { color: var(--warning-500); }

/* ----- Filter panel ----- */
.mods-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}
.mods-filters__group { display: flex; flex-direction: column; gap: var(--space-2); border: 0; padding: 0; margin: 0; min-inline-size: 0; }
.mods-filters__label { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); }
.mods-filters__sort {
  height: 42px;
  padding: 0 var(--space-4);
  color: var(--text-strong);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.mods-filters__checks { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.mods-filters__check { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-meta); cursor: pointer; }

/* ----- Download modal ----- */
/* CRITICAL: author `display` rules must never override the [hidden] attribute,
   or a closed overlay (opacity:0, position:fixed, inset:0) stays in the layout
   and traps every click across the viewport. Keep closed overlays removed. */
.m4-modal[hidden],
.m4-modal__wall[hidden],
.m4-modal__status[hidden],
.m4-modal__action[hidden],
.search-results[hidden] {
  display: none !important;
}

.m4-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}
.m4-modal.is-open { opacity: 1; }
.m4-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 15, 0.62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.m4-modal__dialog {
  position: relative;
  width: min(820px, 100%);
  padding: var(--space-8);
  text-align: center;
  transform: scale(0.94) translateY(12px);
  opacity: 0.5;
  transition: transform 0.32s var(--ease-out), opacity 0.32s var(--ease-out);
}
.m4-modal.is-open .m4-modal__dialog { transform: none; opacity: 1; }
.m4-modal__close {
  position: absolute; top: var(--space-3); right: var(--space-3);
  display: grid; place-items: center;
  width: 36px; height: 36px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.m4-modal__close:hover { color: var(--text-strong); background: var(--surface-2); }
.m4-modal__title { font-size: var(--fs-title); margin-bottom: var(--space-4); }
.m4-modal__ad {
  min-height: 90px;
  margin-bottom: var(--space-5);
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  color: var(--text-faint);
  overflow: hidden;
}

/* Timer ring */
.m4-timer { position: relative; width: 120px; height: 120px; margin: var(--space-2) auto var(--space-4); }
.m4-timer__ring { width: 120px; height: 120px; transform: rotate(-90deg); }
.m4-timer__track { fill: none; stroke: var(--border); stroke-width: 8; }
.m4-timer__progress { fill: none; stroke: var(--accent); stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 0.2s linear; }
.m4-timer__count {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 34px; font-weight: var(--fw-bold);
  color: var(--text-strong);
}
.m4-timer__hint { color: var(--text-muted); font-size: var(--fs-meta); }

.m4-modal__status { margin-top: var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-weight: var(--fw-medium); }
.m4-modal__status.is-info { background: var(--accent-soft); color: var(--accent-hover); }
.m4-modal__status.is-error { background: rgba(255, 67, 101, 0.12); color: var(--danger-400); border: 1px solid var(--danger-500); }
.m4-modal__action { margin-top: var(--space-5); }

/* AdBlock wall overlay */
.m4-modal__wall {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: var(--space-4);
  padding: var(--space-8);
  text-align: center;
  border-radius: inherit;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--blur-lg));
  backdrop-filter: blur(var(--blur-lg));
}
.m4-modal__wall p { color: var(--text-strong); font-weight: var(--fw-semibold); }

@keyframes m4-fade-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .m4-modal,
  .m4-modal__dialog,
  .mods-grid,
  .m4-timer__progress,
  .search-results { transition: none !important; animation: none !important; }
  .m4-modal__dialog { transform: none; }
}

/* ----- Archive header / home sections / pagination ----- */
.archive-head { padding: var(--space-6) 0 var(--space-5); }
.archive-head__title { display: flex; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }
.archive-head__count { font-size: var(--fs-title); color: var(--text-muted); font-weight: var(--fw-medium); }
.archive-head__desc { margin-top: var(--space-2); color: var(--text-muted); max-width: 70ch; }

.home-section { margin-bottom: var(--space-10); }
.home-section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
.home-section__title { font-size: var(--fs-title); }
.home-section__all { font-size: var(--fs-meta); font-weight: var(--fw-semibold); color: var(--accent-hover); }
.home-section__all:hover { color: var(--accent); }

.mods-pagination { display: flex; justify-content: center; margin-top: var(--space-8); }
.mods-pagination .page-numbers {
  display: inline-grid; place-items: center;
  min-width: 40px; height: 40px; padding: 0 var(--space-3);
  margin: 0 4px;
  border-radius: var(--radius-md);
  background: var(--surface-1); border: 1px solid var(--border);
  color: var(--text); font-size: var(--fs-meta); font-weight: var(--fw-medium);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.mods-pagination .page-numbers:hover { border-color: var(--border-strong); color: var(--text-strong); transform: translateY(-2px); }
.mods-pagination .page-numbers.current { background: var(--accent); border-color: transparent; color: var(--accent-contrast); box-shadow: var(--shadow-brand); }
.mods-pagination .page-numbers.dots { background: transparent; border: 0; }

/* Sidebar category counts */
.sidebar__nav .menu a { justify-content: space-between; }
.menu__count { font-size: var(--fs-xs); color: var(--text-faint); }

/* ----- Category (game) cards on parent-category archives ----- */
.cats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-5); }
.cat-card {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
  padding: var(--space-6); text-align: center;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-card); color: var(--text);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.cat-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--shadow-float); border-color: var(--border-strong); }
.cat-card__icon {
  display: grid; place-items: center;
  width: 72px; height: 72px; overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  color: #fff; font-size: 28px; font-weight: var(--fw-bold);
}
.cat-card__icon img { width: 100%; height: 100%; object-fit: cover; }
.cat-card__name { font-weight: var(--fw-semibold); color: var(--text-strong); }
.cat-card__count { font-size: var(--fs-xs); color: var(--text-muted); }

/* ----- Download modal: ad slot + sponsor note ----- */
.m4-modal__ad { min-height: 100px; }
.m4-sponsor-note { margin-top: var(--space-3); font-size: var(--fs-xs); color: var(--text-muted); text-align: center; line-height: var(--lh-snug); }
.m4-sponsor-note strong { color: var(--text); }

/* ----- Home hero ----- */
.home-hero {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(var(--space-8), 6vw, var(--space-16)) clamp(var(--space-5), 5vw, var(--space-12));
  margin-bottom: var(--space-10);
}
.home-hero__glow {
  position: absolute; inset: -45% -10% auto; height: 420px;
  background: radial-gradient(closest-side, rgba(var(--brand-rgb), 0.35), transparent);
  filter: blur(40px); pointer-events: none;
}
.home-hero__content { position: relative; max-width: 760px; margin-inline: auto; }
.home-hero__title { font-size: clamp(2rem, 1.2rem + 3vw, 3.2rem); line-height: 1.1; }
.home-hero__accent { display: block; margin-top: var(--space-2); font-size: var(--fs-body); font-weight: var(--fw-medium); color: var(--accent-hover); letter-spacing: 0.04em; text-transform: lowercase; }
.home-hero__sub { margin-top: var(--space-4); color: var(--text-muted); font-size: var(--fs-body); }
.home-hero__search { position: relative; display: flex; max-width: 520px; margin: var(--space-6) auto 0; }
.home-hero__search input {
  flex: 1; height: 56px; padding: 0 60px 0 var(--space-6);
  border-radius: var(--radius-pill); border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--blur-md)); backdrop-filter: blur(var(--blur-md));
  color: var(--text-strong); font-size: var(--fs-body);
}
.home-hero__search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.home-hero__search button {
  position: absolute; right: 6px; top: 6px; width: 44px; height: 44px;
  display: grid; place-items: center; border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600)); color: #fff;
  box-shadow: var(--shadow-brand);
}
.home-hero__stats { display: flex; justify-content: center; gap: var(--space-8); margin-top: var(--space-6); color: var(--text-muted); font-size: var(--fs-meta); }
.home-hero__stats strong { display: block; color: var(--text-strong); font-size: var(--fs-title); }

/* ----- 404 ----- */
.error404 { position: relative; overflow: hidden; text-align: center; padding: clamp(var(--space-10), 7vw, var(--space-16)) clamp(var(--space-5), 5vw, var(--space-12)); margin-bottom: var(--space-10); }
.error404__glow { position: absolute; inset: -45% -10% auto; height: 420px; background: radial-gradient(closest-side, rgba(var(--brand-rgb), 0.30), transparent); filter: blur(40px); pointer-events: none; }
.error404__content { position: relative; max-width: 560px; margin-inline: auto; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.error404__code { font-size: clamp(4rem, 3rem + 6vw, 7rem); font-weight: var(--fw-bold); line-height: 1; background: linear-gradient(135deg, var(--brand-400), var(--brand-600)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error404__title { font-size: var(--fs-display); }
.error404__sub { color: var(--text-muted); }
.error404 .home-hero__search { width: 100%; max-width: 480px; margin: var(--space-2) auto; }