/*
Theme Name: TSB TCG Theme
Theme URI: https://example.com/tsb-tcg
Author: TSB
Author URI: https://example.com
Description: Tema WordPress moderno, veloce, SEO-optimized e mobile-first per collezioni di carte TCG (Magic, Pokémon, Yu-Gi-Oh!, One Piece, Lorcana).
Version: 1.0.0
Text Domain: tsb-tcg
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* CSS base mobile-first e variabili */
:root {
  --color-bg: #0f1115;
  --color-surface: #171a21;
  --color-border: #2a2f3a;
  --color-text: #e6e8ee;
  --color-text-muted: #b3b8c5;
  --color-accent: #5ad6ff;
  --color-accent-2: #9eff5a;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --space-1: 0.375rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  --container: 1200px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.24);
  --shadow-md: 0 6px 18px rgba(0,0,0,.28);
}

/* Light theme */
[data-theme="light"] {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-text: #0b1020;
  --color-text-muted: #4b5563;
  --color-accent: #0ea5e9;
  --color-accent-2: #16a34a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-3); }

/* Aspect-ratio utilities */
.ratio-1-1 { aspect-ratio: 1/1; }
.ratio-3-4 { aspect-ratio: 3/4; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(23,26,33,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-3) 0;
}
.site-branding { display: flex; align-items: center; gap: var(--space-2); }
.site-title { margin: 0; font-size: 1.1rem; letter-spacing: .3px; }
.site-tagline { margin: 0; color: var(--color-text-muted); font-size: .9rem; }

.nav-toggle { display: inline-flex; align-items: center; gap: .5rem; background: none; color: var(--color-text); border: 1px solid var(--color-border); padding: .5rem .75rem; border-radius: var(--radius-sm); }
.theme-toggle { display: inline-flex; align-items: center; gap: .4rem; background: none; color: var(--color-text); border: 1px solid var(--color-border); padding: .5rem .75rem; border-radius: var(--radius-sm); margin-left:.5rem; }
.primary-nav { display: none; }
.primary-nav.open { 
  display: block;
  position: fixed; inset: 0; z-index: 60;
  background: rgba(15,17,21,.96);
  padding: var(--space-5) var(--space-4);
}
.primary-menu { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.primary-menu .sub-menu { list-style: none; margin: 0; padding: .35rem; }
.primary-menu a { display: block; padding: .5rem .75rem; border-radius: var(--radius-sm); }
.primary-menu a:hover { background: rgba(90,214,255,.08); text-decoration: none; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .primary-nav { position: static; display: block; margin-left: auto; padding: 0; background: transparent; }
  .primary-menu { display: flex; gap: var(--space-2); }
  .primary-menu > li { position: relative; }
  /* Dropdown desktop */
  .primary-menu .sub-menu {
    position: absolute; left: 0; top: calc(100% + 8px);
    display: none; min-width: 220px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
    z-index: 70;
  }
  .primary-menu li:hover > .sub-menu,
  .primary-menu li:focus-within > .sub-menu { display: block; }
  .primary-menu .sub-menu .sub-menu { left: 100%; top: 0; }

  /* Mega dropdown (add CSS class "mega" to the first-level menu item) */
  .primary-nav { position: relative; }
  .primary-menu > li.mega { position: static; }
  .primary-menu > li.mega > .sub-menu {
    display: none; position: absolute; left: 50%; top: calc(100% + 12px);
    transform: translateX(-50%);
    width: min(var(--container), calc(100vw - 2rem));
    padding: var(--space-4);
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); box-shadow: var(--shadow-md);
    grid-template-columns: repeat(var(--mega-cols, 4), minmax(0, 1fr)); gap: var(--space-3);
  }
  .primary-menu > li.mega:hover > .sub-menu,
  .primary-menu > li.mega:focus-within > .sub-menu { display: grid; }
  .primary-menu > li.mega > .sub-menu > li { break-inside: avoid; }
  .primary-menu > li.mega > .sub-menu > li > a { font-weight: 600; opacity: .95; }
  .primary-menu > li.mega > .sub-menu > li > .sub-menu {
    position: static; display: grid; gap: .25rem; padding: .25rem 0 0 0;
    background: transparent; border: 0; box-shadow: none; min-width: 0;
  }
}

/* Lock scroll when nav open */
body.nav-open { overflow: hidden; }

/* Mobile submenu behaviour */
.primary-nav.open .menu-item-has-children > .sub-menu { display: grid; gap: .25rem; padding-left: .5rem; border-left: 1px dashed var(--color-border); margin-top: .25rem; }
.primary-nav.open .menu-item-has-children > a { display: flex; align-items: center; justify-content: space-between; }
.primary-nav.open .menu-item-has-children > a::after { content: "▾"; opacity: .7; }

/* Layout */
main { padding: var(--space-5) 0; }
.section { margin-bottom: var(--space-6); }
.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: var(--space-3); }
.section-title { margin: 0; font-size: 1.25rem; }

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .card-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (min-width: 1024px) {
  /* Usa la variabile per le colonne desktop (default 4) */
  .card-grid { grid-template-columns: repeat(var(--grid-cols-lg, 4), minmax(0,1fr)); }
}

.card-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.card-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-media { aspect-ratio: 1/1; background: #0b0d12; display: grid; place-items: center; }
/* Keep 3/4 ratio on card archives and tax pages */
.post-type-archive-tcg_card .card-media,
.tax-tcg_game .card-media,
.tax-tcg_set .card-media,
.single-tcg_card .card-media { aspect-ratio: 3/4; }
.card-content { padding: var(--space-2) var(--space-3) var(--space-3); }
.card-title { margin: .4rem 0 .25rem; font-size: .98rem; line-height: 1.25; }
.card-meta { color: var(--color-text-muted); font-size: .85rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem .9rem; border-radius: var(--radius-sm); border: 1px solid var(--color-border); color: var(--color-text); background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.06)); }
.btn:hover { border-color: rgba(90,214,255,.5); text-decoration: none; }
.btn-primary { background: linear-gradient(180deg, rgba(90,214,255,.18), rgba(90,214,255,.08)); border-color: rgba(90,214,255,.6); }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); padding: var(--space-5) 0; color: var(--color-text-muted); }
.footer-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }

/* Utilities */
.muted { color: var(--color-text-muted); }
.chip { display: inline-flex; align-items: center; gap: .5rem; padding: .2rem .5rem; border: 1px solid var(--color-border); border-radius: 999px; font-size: .85rem; color: var(--color-text-muted); }
.chip-success { border-color: #2ecc71; color: #2ecc71; }
.chip-warning { border-color: #f1c40f; color: #f1c40f; }
.chip-danger { border-color: #e74c3c; color: #e74c3c; }
.grid { display: grid; gap: var(--space-3); }
.grid-2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4,minmax(0,1fr)); }

/* Home: latest posts */
.post-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 600px) { .post-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (min-width: 1024px) { .post-grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
.post-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.post-card .media { position: relative; aspect-ratio: 1/1; background:#0b0d12; }
.post-card .media img { width:100%; height:100%; object-fit: cover; display:block; }
.badge { position:absolute; left: .6rem; top: .6rem; font-size:.75rem; padding:.2rem .45rem; border-radius:999px; border:1px solid var(--color-border); background: rgba(0,0,0,.5); color: var(--color-text); }
.post-card .content { padding: var(--space-3); }
.post-card .meta { color: var(--color-text-muted); font-size: .85rem; margin-top:.25rem; }
.post-card h3 { margin: .25rem 0; font-size: 1.05rem; line-height: 1.35; }

/* Filter bar */
.filter-bar { display: grid; grid-template-columns: 1fr; gap: .5rem; margin-bottom: var(--space-3); }
@media (min-width: 600px) { .filter-bar { grid-template-columns: 1fr auto; align-items: center; } }
.filter-bar .controls { display: inline-flex; gap: .5rem; }
.load-more { display: inline-flex; align-items: center; justify-content: center; min-width: 160px; }
.load-more[disabled] { opacity: .6; cursor: not-allowed; }

/* Accessibility */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: static; width: auto; height: auto; padding: .5rem .75rem; background: #000; color: #fff; }

/* Header hero (custom header image) */
.site-hero { position: relative; margin-bottom: var(--space-5); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); }
.site-hero img { width: 100%; height: auto; display: block; }
.site-hero .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.35)); }

/* TCG selector (Draftsim-like) */
.tcg-selector { position: relative; margin-bottom: var(--space-5); }
.tcg-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: var(--space-3); overflow-x: auto; padding: 0 var(--space-1) var(--space-2); scroll-snap-type: x mandatory; }
.tcg-row::-webkit-scrollbar { height: 10px; }
.tcg-row::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 6px; }
.tcg-tile { position: relative; border-radius: var(--radius-md); border: 2px solid #0b0d12; overflow: hidden; box-shadow: var(--shadow-sm); aspect-ratio: 3/4; scroll-snap-align: start; }
.tcg-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tcg-tile .tcg-label { position: absolute; left: .5rem; bottom: .5rem; padding: .3rem .5rem; background: rgba(0,0,0,.55); border: 1px solid rgba(255,255,255,.12); border-radius: 6px; font-size: .9rem; }
.tcg-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,.6); color: var(--color-text); border: 1px solid var(--color-border); width: 38px; height: 38px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; }
.tcg-arrow:hover { background: rgba(0,0,0,.75); }
.tcg-arrow.left { left: -6px; }
.tcg-arrow.right { right: -6px; }

/* Placeholders */
.placeholder-tile { display: grid; place-items: center; width: 100%; height: 100%; background: linear-gradient(180deg, #2a2f3a, #1e232c); color: var(--color-text); }
.placeholder-tile .title { padding: .5rem .75rem; border: 1px solid var(--color-border); border-radius: 8px; background: rgba(0,0,0,.25); font-weight: 600; text-align: center; }
.placeholder-hero { display: grid; place-items: center; min-height: 320px; background: linear-gradient(180deg, #2a2f3a, #1e232c); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.placeholder-hero .title { font-size: clamp(1.4rem, 3vw, 2.2rem); color: var(--color-text); border: 1px solid var(--color-border); background: rgba(0,0,0,.25); padding: .6rem 1rem; border-radius: 10px; }

/* Square placeholder for posts */
.placeholder-square { display:grid; place-items:center; width:100%; height:100%; color: var(--color-text); }
.placeholder-square .title{ padding:.4rem .6rem; border:1px solid var(--color-border); background: rgba(0,0,0,.25); border-radius:8px; font-weight:600; font-size:.95rem; }

/* Search form */
form.search-form { display: flex; gap: .5rem; align-items: center; margin-left: auto; }
.input, input[type="search"], select { width: 100%; background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: .55rem .7rem; }
input[type="search"]::placeholder { color: var(--color-text-muted); }
@media (max-width: 859px) {
  form.search-form { display: none; }
}