/* ============================================================
   Skills Marketplace — Creative UI v2
   Category-colored glows · Depth layers · Difficulty badges
   Dark-mode RTL. Builds on css/styles.css tokens.
   ============================================================ */

/* ── Category color system ──────────────────────────────── */
:root {
  --cat-beginner:     #22D3EE;   /* cyan   */
  --cat-visual:       #A78BFA;   /* violet */
  --cat-animations:   #F472B6;   /* pink   */
  --cat-navigation:   #34D399;   /* emerald*/
  --cat-frontend:     #60A5FA;   /* blue   */
  --cat-backend:      #FB923C;   /* orange */
  --cat-devops:       #F87171;   /* red    */
  --cat-game:         #FBBF24;   /* amber  */
  --cat-ux:           #818CF8;   /* indigo */

  --diff-beginner:    #22D3EE;
  --diff-intermediate:#FBBF24;
  --diff-advanced:    #F472B6;
}

/* ── Focus visible ──────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Header ─────────────────────────────────────────────── */
.skills-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
  background: rgba(13,13,20,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
}
.logo-link {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.15s;
}
.logo-link:hover { opacity: 0.75; }
.skills-header .page-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  margin: 0;
  flex: 1;
  text-align: center;
}
.back-link {
  font-size: 0.85rem;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
}
.back-link:hover { color: var(--gold); }

/* ── Hero ────────────────────────────────────────────────── */
.skills-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding: 52px 32px 44px;
  margin-top: var(--nav-h, 70px);
  text-align: center;
  background: var(--bg-surface);
}

/* Animated mesh background */
.hero-bg-mesh {
  position: absolute;
  inset: -40px;
  background:
    radial-gradient(ellipse 70% 60% at 15% 50%, rgba(232,160,32,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 55% 70% at 85% 40%, rgba(0,196,179,0.10) 0%, transparent 55%),
    radial-gradient(ellipse 40% 80% at 50% 80%, rgba(167,139,250,0.07) 0%, transparent 60%);
  animation: meshDrift 10s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}
@keyframes meshDrift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-2%, 3%) scale(1.04); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  opacity: 0.85;
}

.hero-headline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 0 0 28px;
  flex-wrap: wrap;
}

.hero-num-big {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--gold) 0%, #F5C040 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  filter: drop-shadow(0 0 32px rgba(232,160,32,0.35));
}

.hero-headline-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.25;
  text-align: right;
}

.hero-accent {
  background: linear-gradient(90deg, var(--gold), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Stats row */
.hero-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}

.hero-stat-n {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-1);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-l {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero-stat-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

/* Install command */
.hero-cmd-block {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  overflow: hidden;
  max-width: 100%;
}

.hero-cmd-label {
  padding: 0 12px;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  border-right: 1px solid rgba(255,255,255,0.07);
  line-height: 46px;
  flex-shrink: 0;
}

.hero-cmd-text {
  padding: 0 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-2);
  direction: ltr;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 46px;
}

.hero-cmd-copy {
  padding: 0 16px;
  background: rgba(232,160,32,0.08);
  border: none;
  border-left: 1px solid rgba(255,255,255,0.07);
  color: var(--gold);
  font-family: 'Heebo', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  min-height: 46px;
  flex-shrink: 0;
}
.hero-cmd-copy:hover { background: rgba(232,160,32,0.16); }

/* ── Page background aurora ──────────────────────────────── */
body.dark {
  background-image:
    radial-gradient(ellipse 80% 40% at 5% 30%, rgba(232,160,32,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 95% 70%, rgba(0,196,179,0.04) 0%, transparent 60%);
  background-attachment: fixed;
}

/* ── Page wrapper ────────────────────────────────────────── */
.skills-page-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}
.skills-layout {
  display: grid;
  grid-template-columns: 256px 1fr;
  gap: 28px;
  align-items: start;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.skills-sidebar {
  position: sticky;
  top: 80px;
  background: linear-gradient(160deg, rgba(255,255,255,0.03) 0%, transparent 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 4px 24px rgba(0,0,0,0.3);
}

/* ── Sidebar search ──────────────────────────────────────── */
.sidebar-search { position: relative; margin-bottom: 20px; }
.sidebar-search-icon {
  position: absolute;
  right: 11px; top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  pointer-events: none;
  opacity: 0.5;
}
#skillSearch {
  width: 100%;
  padding: 10px 34px 10px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-1);
  font-family: 'Heebo', sans-serif;
  font-size: 0.875rem;
  direction: rtl;
  transition: border-color 0.2s, background 0.2s;
  box-sizing: border-box;
}
#skillSearch::placeholder { color: var(--text-3); }
#skillSearch:focus {
  border-color: var(--gold);
  background: rgba(232,160,32,0.05);
}
#skillSearch:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
/* padding-left for clear button */
#skillSearch:not(:placeholder-shown) { padding-left: 36px; }

/* ── Category list ───────────────────────────────────────── */
.sidebar-section h3 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin: 0 0 10px;
}
/* Desktop: toggle hidden, list always shown as column */
.cat-mobile-toggle { display: none; }
.category-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-2);
  transition: all 0.15s;
  border: 1px solid transparent;
  position: relative;
}
.category-item::before {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 60%;
  border-radius: 3px 0 0 3px;
  background: currentColor;
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
}
.category-item.active::before { transform: translateY(-50%) scaleY(1); }
.cat-label { display: flex; align-items: center; gap: 8px; }
.cat-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.75;
  transition: opacity 0.15s;
}
.cat-icon svg { width: 16px; height: 16px; }
.category-item.active .cat-icon,
.category-item:hover .cat-icon { opacity: 1; }
.category-count {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255,255,255,0.06);
  color: var(--text-3);
  padding: 2px 7px;
  border-radius: 99px;
  min-width: 22px;
  text-align: center;
  transition: all 0.15s;
}

/* Active color driven by --cat-clr set inline per item */
.category-item.active {
  color: var(--cat-clr, var(--gold));
  background: color-mix(in srgb, var(--cat-clr, var(--gold)) 8%, transparent);
  border-color: color-mix(in srgb, var(--cat-clr, var(--gold)) 25%, transparent);
  font-weight: 600;
}
.category-item:hover {
  color: var(--text-1);
  background: rgba(255,255,255,0.05);
}
.category-item.active .category-count { background: rgba(255,255,255,0.12); color: inherit; }

/* ── Main area ───────────────────────────────────────────── */
.skills-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

/* ── Toolbar ─────────────────────────────────────────────── */
.skills-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
#resultsCount {
  font-size: 0.9rem;
  color: var(--text-2);
}
#resultsCount strong { color: var(--text-1); font-weight: 800; }

.toolbar-controls { display: flex; align-items: center; gap: 8px; }

.sort-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-1);
  font-family: 'Heebo', sans-serif;
  font-size: 0.85rem;
  padding: 8px 12px;
  cursor: pointer;
  direction: rtl;
  transition: border-color 0.15s;
  appearance: none;
}
.sort-select:focus-visible { border-color: var(--gold); outline: 2px solid var(--gold); outline-offset: 2px; }

.view-toggle {
  display: flex;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.view-btn {
  background: transparent;
  border: none;
  color: var(--text-3);
  padding: 10px 13px;
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.15s;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.view-btn:hover { color: var(--text-1); }
.view-btn.active { color: var(--gold); background: rgba(232,160,32,0.1); }

/* ── Skills grid ─────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(295px, 1fr));
  gap: 18px;
}
.skills-list { display: grid; grid-template-columns: 1fr; gap: 12px; }

/* ── CARD ────────────────────────────────────────────────── */
.skill-card {
  --cat-clr: var(--gold);
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    transform 0.28s cubic-bezier(0.23,1,0.32,1),
    box-shadow 0.28s cubic-bezier(0.23,1,0.32,1),
    border-color 0.2s;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.05) inset,
    0 4px 16px rgba(0,0,0,0.3);
  animation: cardFadeUp 0.4s cubic-bezier(0.23,1,0.32,1) both;
}

@keyframes cardFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--cat-clr-rgb, 232,160,32), 0.35);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--cat-clr) 20%, transparent),
    0 20px 56px rgba(0,0,0,0.4),
    0 0 40px color-mix(in srgb, var(--cat-clr) 10%, transparent);
}

/* ── Colored category band ───────────────────────────────── */
.card-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 14px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--cat-clr) 18%, transparent) 0%,
    color-mix(in srgb, var(--cat-clr) 6%, transparent) 100%);
  border-bottom: 1px solid color-mix(in srgb, var(--cat-clr) 15%, transparent);
  position: relative;
}

.card-band-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cat-clr);
  filter: drop-shadow(0 2px 8px color-mix(in srgb, var(--cat-clr) 40%, transparent));
  flex-shrink: 0;
}
.card-band-icon svg { width: 28px; height: 28px; stroke-width: 1.5; }

.card-band-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.card-band-cat {
  font-size: 0.67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cat-clr);
  opacity: 0.9;
}

/* Score chip */
.card-score {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1.5px solid;
}
.card-score.score-hi  {
  color: #10B981;
  border-color: rgba(16,185,129,0.4);
  background: rgba(16,185,129,0.12);
}
.card-score.score-mid {
  color: var(--gold);
  border-color: rgba(232,160,32,0.4);
  background: rgba(232,160,32,0.1);
}

/* ── Card body ───────────────────────────────────────────── */
.card-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

/* Difficulty badge */
.difficulty-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.diff-beginner     { color: var(--cat-beginner);    background: rgba(34,211,238,0.1);  border-color: rgba(34,211,238,0.3);  }
.diff-intermediate { color: var(--diff-intermediate);background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.3);  }
.diff-advanced     { color: var(--diff-advanced);   background: rgba(244,114,182,0.1); border-color: rgba(244,114,182,0.3); }

/* ── Skill name ──────────────────────────────────────────── */
.skill-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 0;
  line-height: 1.25;
}
.skill-name-he {
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: 'Heebo', sans-serif;
  margin-top: -4px;
}

/* ── Description ─────────────────────────────────────────── */
.skill-description {
  font-size: 0.84rem;
  color: var(--text-2);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  flex: 1;
}

/* ── Tags ────────────────────────────────────────────────── */
.tag-chip {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  border: 1px solid;
  letter-spacing: 0.02em;
}
.tag-chip.popular  { color: var(--gold);   background: rgba(232,160,32,0.1); border-color: rgba(232,160,32,0.25); }
.tag-chip.trending { color: #F97316;       background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.25); }
.tag-chip.new      { color: #22D3EE;       background: rgba(34,211,238,0.1); border-color: rgba(34,211,238,0.25); }

/* ── Card footer (compat + downloads) ───────────────────── */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

.compat-row { display: flex; flex-wrap: wrap; gap: 4px; }
.compat-badge {
  font-size: 0.62rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-3);
  white-space: nowrap;
}
.compat-badge.cursor  { border-color: rgba(96,165,250,0.3);  color: #93C5FD; }
.compat-badge.claude  { border-color: rgba(232,160,32,0.3);  color: var(--gold); }
.compat-badge.copilot { border-color: rgba(52,211,153,0.3);  color: #6EE7B7; }

.card-downloads {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Install button ──────────────────────────────────────── */
.install-btn {
  width: calc(100% - 36px);
  margin: 0 18px 18px;
  padding: 13px 16px;
  min-height: 44px;
  background: color-mix(in srgb, var(--cat-clr) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat-clr) 35%, transparent);
  border-radius: 12px;
  color: var(--cat-clr);
  font-family: 'Heebo', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.install-btn:hover {
  background: color-mix(in srgb, var(--cat-clr) 18%, transparent);
  border-color: var(--cat-clr);
  box-shadow: 0 0 24px color-mix(in srgb, var(--cat-clr) 20%, transparent);
  transform: translateY(-1px);
}
.install-btn:active { transform: scale(0.98); }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}
.empty-icon { font-size: 52px; margin-bottom: 16px; }
.empty-state h3 { color: var(--text-2); margin: 0 0 8px; }
.empty-state p  { color: var(--text-3); font-size: 0.9rem; margin: 0; }

/* ── Install modal ───────────────────────────────────────── */
.install-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,5,8,0.88);
  backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.18s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.install-modal {
  background: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 32px;
  max-width: 500px;
  width: 100%;
  direction: rtl;
  animation: modalPop 0.28s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow:
    0 0 0 1px rgba(232,160,32,0.08),
    0 24px 80px rgba(0,0,0,0.7),
    inset 0 1px 0 rgba(255,255,255,0.08);
}
@keyframes modalPop {
  from { opacity: 0; transform: scale(0.88) translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 0;
}
.modal-close {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 44px; height: 44px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: var(--text-1); }

.modal-desc { font-size: 0.875rem; color: var(--text-2); margin-bottom: 12px; }

.install-code-wrapper {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  background: rgba(0,0,0,0.3);
}
.install-code {
  flex: 1;
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  direction: ltr;
  text-align: left;
  word-break: break-all;
  display: block;
}
.copy-btn {
  background: rgba(255,255,255,0.04);
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-2);
  padding: 0 16px;
  min-height: 44px;
  cursor: pointer;
  font-family: 'Heebo', sans-serif;
  font-size: 0.8rem;
  white-space: nowrap;
  transition: all 0.15s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.copy-btn:hover { background: rgba(232,160,32,0.1); color: var(--gold); }
.copy-btn.copied { color: #10B981; }

.modal-note { font-size: 0.78rem; color: var(--text-3); margin: 0; }
.modal-note a { color: var(--accent); text-decoration: none; }
.modal-note a:hover { text-decoration: underline; }

/* ── Toast ───────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: linear-gradient(135deg, var(--gold), #F5C040);
  color: #000;
  font-family: 'Heebo', sans-serif;
  font-weight: 800;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: 99px;
  z-index: 2000;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.2s, transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
  box-shadow: 0 4px 24px rgba(232,160,32,0.5);
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── Difficulty filter strip ─────────────────────────────── */
.diff-strip {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.diff-filter-btn {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 8px 14px;
  min-height: 44px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}
.diff-filter-btn:hover { color: var(--text-1); border-color: var(--border-hover); }
.diff-filter-btn.active-beg { color: var(--cat-beginner); border-color: rgba(34,211,238,0.4); background: rgba(34,211,238,0.07); }
.diff-filter-btn.active-int { color: var(--diff-intermediate); border-color: rgba(251,191,36,0.4); background: rgba(251,191,36,0.07); }
.diff-filter-btn.active-adv { color: var(--diff-advanced); border-color: rgba(244,114,182,0.4); background: rgba(244,114,182,0.07); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile-first. Three breakpoints:
   960px  tablet: sidebar → horizontal chips, grid 2-col
   640px  phone:  grid 1-col, hero compact, toolbar stacks
   380px  small:  ultra-compact
   ═══════════════════════════════════════════════════════════ */

/* ── Mobile toggle button — hidden on desktop ───────────── */
.cat-mobile-toggle { display: none; }

/* ── Tablet ≤960px ──────────────────────────────────────── */
@media (max-width: 960px) {
  .skills-layout { grid-template-columns: 1fr; gap: 14px; }

  .skills-sidebar {
    position: static;
    max-height: none;
    padding: 0;
    border-radius: 14px;
    overflow: hidden;
  }
  .sidebar-section {
    display: flex;
    flex-direction: column;
  }
  .sidebar-section h2,
  .sidebar-section h3,
  .sidebar-search { display: none; }

  /* Toggle button — always visible on mobile */
  .cat-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0 16px;
    height: 52px;
    min-height: 52px;
    background: rgba(255,255,255,0.04);
    border: none;
    border-bottom: 1px solid transparent;
    color: var(--cat-clr, var(--gold));
    font-family: 'Heebo', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.2s;
    text-align: right;
  }
  .cat-mobile-toggle:hover { background: rgba(255,255,255,0.07); }
  .skills-sidebar.cat-panel-open .cat-mobile-toggle {
    border-bottom-color: var(--border);
    background: rgba(255,255,255,0.06);
  }
  .cat-toggle-inner {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .cat-toggle-chevron {
    transition: transform 0.22s cubic-bezier(0.23,1,0.32,1);
    flex-shrink: 0;
    opacity: 0.55;
  }
  .skills-sidebar.cat-panel-open .cat-toggle-chevron {
    transform: rotate(180deg);
    opacity: 0.85;
  }

  /* Category list — hidden by default, 2×5 grid when open */
  .category-list {
    display: none;
    padding: 10px 12px 14px;
  }
  .skills-sidebar.cat-panel-open .category-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    animation: catPanelSlide 0.22s cubic-bezier(0.23,1,0.32,1);
  }
  @keyframes catPanelSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: none; }
  }

  /* Items in the collapsible grid */
  .category-item {
    padding: 10px 12px;
    border-radius: 10px;
    height: auto;
    min-height: 44px;
    white-space: normal;
    justify-content: flex-start;
    border-width: 1px;
    background: rgba(255,255,255,0.04);
    color: var(--text-2);
    border-color: rgba(255,255,255,0.08);
    font-size: 0.82rem;
    font-weight: 500;
    flex-shrink: 0;
  }
  .category-item::before { display: none; }
  .category-item:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-1);
  }
  .category-item.active {
    background: color-mix(in srgb, var(--cat-clr, var(--gold)) 12%, transparent);
    color: var(--cat-clr, var(--gold));
    border-color: color-mix(in srgb, var(--cat-clr, var(--gold)) 35%, transparent);
    font-weight: 600;
  }
  .category-item .category-count { display: none; }

  /* 2-col grid on tablet */
  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  /* Card glow always on (no hover on touch) */
  .skill-card::before { opacity: 0.55; }

  /* Toolbar wrap */
  .skills-toolbar { flex-wrap: wrap; gap: 10px; }
}

/* ── Phone ≤640px ───────────────────────────────────────── */
@media (max-width: 640px) {
  /* Hero compact */
  .skills-hero { padding: 24px 16px 22px; }
  .hero-eyebrow { font-size: 0.65rem; margin-bottom: 12px; }
  .hero-headline { gap: 10px; margin-bottom: 18px; }
  .hero-num-big { font-size: clamp(3rem, 16vw, 5rem); }
  .hero-headline-text { font-size: clamp(1.15rem, 5vw, 1.6rem); }

  /* Stats row — tighter */
  .hero-stats-row { gap: 0; margin-bottom: 18px; }
  .hero-stat-item { padding: 0 14px; }
  .hero-stat-n { font-size: 1.3rem; }
  .hero-stat-l { font-size: 0.65rem; }
  .hero-stat-sep { height: 28px; }

  /* Command block — scrollable */
  .hero-cmd-block { overflow-x: auto; max-width: calc(100vw - 32px); }
  .hero-cmd-text  { font-size: 0.68rem; }

  /* Page wrapper */
  .skills-page-wrapper { padding: 12px 10px 60px; }

  /* 1-col grid */
  .skills-grid { grid-template-columns: 1fr; gap: 10px; }

  /* Card compact */
  .skill-card { border-radius: 16px; }
  .card-band  { padding: 12px 14px; gap: 10px; }
  .card-band-icon svg { width: 22px; height: 22px; }
  .card-body  { padding: 14px; }
  .skill-name { font-size: 0.95rem; }
  .skill-description { font-size: 0.78rem; -webkit-line-clamp: 2; }
  .install-btn { padding: 12px 14px; font-size: 0.82rem; }

  /* Toolbar stacks */
  .skills-toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .toolbar-controls { justify-content: flex-end; }

  /* Diff strip scrollable */
  .diff-strip { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; padding-bottom: 2px; }
  .diff-strip::-webkit-scrollbar { display: none; }
  .diff-filter-btn { flex-shrink: 0; }

  /* Modal → full bottom sheet */
  .install-modal-overlay { align-items: flex-end; padding: 0; }
  .install-modal {
    border-radius: 24px 24px 0 0;
    padding: 24px 20px calc(24px + var(--safe-bottom, 0px));
    max-width: 100%;
    width: 100%;
    animation: skillsSheetUp 0.3s cubic-bezier(0.32,0.72,0,1);
  }
  @keyframes skillsSheetUp {
    from { transform: translateY(100%); opacity: 0.6; }
    to   { transform: none; opacity: 1; }
  }
  .install-code-wrapper { flex-direction: column; gap: 10px; }
  .install-code { font-size: 0.72rem; word-break: break-all; }
  .copy-btn { width: 100%; justify-content: center; }
}

/* ── Small phone ≤480px ─────────────────────────────────── */
@media (max-width: 480px) {
  .cat-mobile-toggle { height: 48px; min-height: 48px; font-size: 0.85rem; }
  .category-item { font-size: 0.78rem; padding: 9px 10px; min-height: 42px; }
}

/* ── Small phone ≤380px ─────────────────────────────────── */
@media (max-width: 380px) {
  .hero-num-big { font-size: clamp(2.6rem, 18vw, 3.5rem); }
  .hero-headline-text { font-size: 1.05rem; }
  .hero-stat-item { padding: 0 10px; }
  .skills-page-wrapper { padding: 8px 8px 60px; }
  .card-body { padding: 12px; }
  .cat-mobile-toggle { height: 46px; min-height: 46px; padding: 0 12px; }
  .category-item { padding: 8px 10px; font-size: 0.74rem; min-height: 40px; }
}

/* ── Search clear button ─────────────────────────────────── */
.search-clear-btn {
  position: absolute;
  left: 9px; top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--text-3);
  width: 22px; height: 22px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: background 0.15s, color 0.15s;
  /* Larger hit area via padding/pseudoelement trick */
  touch-action: manipulation;
}
.search-clear-btn::before {
  content: '';
  position: absolute;
  inset: -11px;
}
.search-clear-btn:hover { background: rgba(255,255,255,0.14); color: var(--text-1); }

/* ── Skeleton loading ────────────────────────────────────── */
.skill-card-skeleton {
  border-radius: 18px;
  min-height: 220px;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 75%
  );
  background-size: 200% 100%;
  animation: skillsShimmer 1.5s infinite;
  border: 1px solid var(--border);
}
@keyframes skillsShimmer { to { background-position: -200% 0; } }

/* ── Empty state clear-filters button ───────────────────── */
.clear-filters-btn {
  margin-top: 16px;
  padding: 10px 24px;
  min-height: 44px;
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.35);
  border-radius: 99px;
  color: var(--gold);
  font-family: 'Heebo', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.clear-filters-btn:hover { background: rgba(232,160,32,0.18); border-color: var(--gold); }

/* ═══════════════════════════════════════════════════════════
   APP MODE — html[data-app-mode="true"]
   Bottom nav is 64px. Add safe-area-inset-bottom on top.
   ═══════════════════════════════════════════════════════════ */
html[data-app-mode="true"] .skills-page-wrapper {
  padding-bottom: calc(72px + var(--safe-bottom, env(safe-area-inset-bottom, 0px)));
}
html[data-app-mode="true"] .toast {
  bottom: calc(80px + var(--safe-bottom, env(safe-area-inset-bottom, 0px)));
}
/* Install modal bottom sheet clears bottom nav in app mode */
html[data-app-mode="true"] .install-modal {
  padding-bottom: calc(24px + 72px + var(--safe-bottom, env(safe-area-inset-bottom, 0px)));
}
/* Sidebar sticky top offset — nav still visible in app mode */
html[data-app-mode="true"] .skills-sidebar {
  top: calc(80px + var(--safe-top, env(safe-area-inset-top, 0px)));
}
/* Hero top margin accounts for nav + safe area */
html[data-app-mode="true"] .skills-hero {
  margin-top: calc(var(--nav-h, 70px) + var(--safe-top, env(safe-area-inset-top, 0px)));
  padding-top: 32px;
}
/* Compact hero in app mode — save vertical space */
@media (max-width: 960px) {
  html[data-app-mode="true"] .skills-hero {
    padding: 20px 16px 18px;
  }
  html[data-app-mode="true"] .hero-eyebrow { display: none; }
  html[data-app-mode="true"] .hero-num-big { font-size: clamp(2.5rem, 12vw, 4rem); }
  html[data-app-mode="true"] .hero-headline-text { font-size: clamp(1rem, 4.5vw, 1.5rem); }
  html[data-app-mode="true"] .hero-stats-row { display: none; }
  html[data-app-mode="true"] .hero-cmd-block {
    margin-top: 0;
    font-size: 0.7rem;
  }
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .skill-card, .skill-card:hover, .install-btn { transition: none; transform: none; }
  .install-modal, .install-modal-overlay { animation: none; }
  .install-modal { animation: none; }
  .score-fill { transition: none; }
  .skill-card-skeleton { animation: none; }
}