/* ==============================
   components.css — Palette, Command Modal, QR Modal, Responsive Overrides
   ============================== */

/* ==============================
   EMBEDDED PALETTE
   ============================== */
.palette-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 2rem 4rem;
  transition: background var(--transition);
}

.palette-inner {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 4rem;
  flex-wrap: wrap;
}

.ep-wrap {
  flex: 0 0 420px;
  display: flex;
  flex-direction: column;
  height: 440px;
  overflow: hidden;
}

.palette-text-block {
  flex: 1;
  min-width: 280px;
  padding-top: 0.5rem;
}

.ep-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}

.ep-cmd {
  font-size: 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.ep-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  caret-color: var(--accent-bright);
}
.ep-input::placeholder { color: var(--text-muted); }

.ep-shortcut {
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 0.15rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.ep-scroll {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  padding: 0.4rem 0;
}
.ep-scroll::-webkit-scrollbar { width: 4px; }
.ep-scroll::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }
.ep-scroll::-webkit-scrollbar-track { background: transparent; }

.ep-group {
  margin-bottom: 0.25rem;
}

.ep-group-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  position: sticky;
  top: 0;
  background: rgba(28,28,30,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}
[data-theme="light"] .ep-group-label { background: rgba(255,255,255,0.95); }

.ep-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border-radius: 6px;
  margin: 0 5px;
}
.ep-item:hover, .ep-item.ep-active {
  background: var(--accent-glow);
  color: var(--accent-bright);
}

.ep-item-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--border-strong);
  flex-shrink: 0;
  transition: background var(--transition);
}
.ep-item:hover .ep-item-dot,
.ep-item.ep-active .ep-item-dot {
  background: var(--accent-bright);
}

.ep-no-results {
  padding: 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* palette section hero image */
.palette-hero {
  max-width: 1060px;
  margin: 3.5rem auto 0;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border: 1px solid var(--border-strong);
}
.palette-hero-img {
  width: 100%;
  height: auto;
  display: block;
}
.palette-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--bg-surface) 100%);
  pointer-events: none;
}

/* ==============================
   COMMAND PALETTE POPUP (MODAL)
   ============================== */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 1rem 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.cmd-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.cmd-overlay.is-previewing {
  align-items: center;
  padding-top: 1rem;
}

.cmd-modal {
  width: 680px;
  max-width: calc(100vw - 2rem);
  max-height: 76vh;
  display: flex;
  flex-direction: column;
  transform: translateY(-14px) scale(0.97);
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1);
  overflow: hidden;
}

.cmd-modal.cmd-modal-previewing {
  width: min(96vw, 1440px);
  max-height: 94vh;
}

.cmd-modal-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.cmd-overlay.open .cmd-modal {
  transform: translateY(0) scale(1);
}

.cmd-modal-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.cmd-modal-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.cmd-modal-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-primary);
  caret-color: var(--accent-bright);
}
.cmd-modal-input::placeholder { color: var(--text-muted); }

.cmd-modal-close {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.cmd-modal-close:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.cmd-modal-meta {
  display: none;
}

.cmd-modal-group-label {
  padding: 1rem 1.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

[data-theme="light"] .cmd-modal-group-label {
  background: rgba(255,255,255,0.9);
}

.cmd-modal-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.cmd-modal-item:hover, .cmd-modal-item.cmd-active {
  background: var(--accent-glow);
  color: var(--accent-bright);
}

.cmd-modal-item:hover .cmd-modal-item-name,
.cmd-modal-item.cmd-active .cmd-modal-item-name {
  color: var(--accent-bright);
}

.cmd-modal-item:hover .cmd-modal-item-desc,
.cmd-modal-item.cmd-active .cmd-modal-item-desc {
  color: var(--text-primary);
}

.cmd-modal-item-idx {
  width: 24px;
  font-size: 0.66rem;
  color: var(--text-muted);
  text-align: right;
  flex-shrink: 0;
  margin-top: 0.12rem;
}

.cmd-modal-item-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.cmd-modal-item-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cmd-modal-item-desc {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.cmd-modal-footer {
  padding: 0.55rem 1.2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  gap: 1.5rem;
  flex-shrink: 0;
}
.cmd-hint {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.cmd-hint kbd {
  font-size: 0.62rem;
  padding: 0.08rem 0.32rem;
}

/* ==============================
   COMMAND PALETTE PREVIEW VIEWER
   ============================== */
.cmd-preview {
  display: none;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.cmd-preview-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}

.cmd-preview-back {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.cmd-preview-back:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

.cmd-preview-title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.cmd-preview-counter {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.cmd-preview-body {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 1rem;
  padding: 1rem 1.2rem 0.75rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.cmd-preview-stage {
  min-width: 0;
  min-height: 0;
  display: flex;
}

.cmd-preview-arrow {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.cmd-preview-arrow:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--accent-bright);
  box-shadow: 0 0 16px var(--accent-glow);
}

.cmd-preview-img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: min(72vh, 760px);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-base);
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.03), 0 12px 40px rgba(0,0,0,0.4);
  position: relative;
}

.cmd-preview-img-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, rgba(59,130,246,0.35), rgba(167,139,250,0.35), rgba(59,130,246,0.15));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}

.cmd-preview-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.cmd-preview-info {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1rem 1.2rem 1.3rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.cmd-preview-category {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(96, 165, 250, 0.28);
  background: rgba(96, 165, 250, 0.12);
  color: var(--accent-bright);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cmd-preview-desc {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.75;
  max-width: 76ch;
}

[data-theme="light"] .cmd-preview-arrow {
  background: var(--bg-surface);
}
[data-theme="light"] .cmd-preview-img-wrap {
  background: var(--bg-surface);
}

[data-theme="light"] .cmd-preview-info {
  border-top-color: rgba(0,0,0,0.06);
}

.qr-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0,0,0,0.68);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.qr-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.qr-modal {
  position: relative;
  width: min(92vw, 520px);
  padding: 1.5rem 1.5rem 1.8rem;
  text-align: center;
}

.qr-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.qr-modal-close:hover,
.qr-modal-close:focus-visible {
  color: var(--text-primary);
  border-color: var(--accent);
  outline: none;
}

.qr-modal-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 0.7rem;
}

.qr-modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
}

.qr-modal-sub {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.qr-modal-code-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border-radius: 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
}

.qr-modal-img {
  width: min(100%, 360px);
  aspect-ratio: 1;
  display: block;
  background: #fff;
  border-radius: 22px;
  padding: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding-top: 6rem;
    text-align: center;
    align-items: center;
  }

  .hero-sub { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .stat:first-child { padding-left: 1.5rem; }
  .br-desk { display: none; }

  .terminal-wrap {
    flex: none;
    width: 100%;
    max-width: 500px;
  }

  .palette-inner { flex-direction: column; gap: 2.5rem; }
  .palette-mockup { flex: none; width: 100%; max-width: 420px; margin: 0 auto; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  .feat-large { grid-column: span 2; grid-row: span 1; }
  .feat-wide { grid-column: span 2; }

  .platforms-grid { grid-template-columns: 1fr; max-width: 100%; margin: 0 auto; }

  .nav-inner {
    gap: 1rem;
    padding: 0 1.2rem;
  }

  .nav-cta {
    display: none;
  }

  .hero-platform-frame {
    padding: 12px;
  }

  .hero-platform-frame[data-platform="ipad"] {
    padding: 20px 14px 22px;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-actions { margin-left: auto; }
  .hamburger { display: flex; }
  .nav-inner { padding: 0 1rem; }
  .nav-logo { font-size: 1rem; }
  .showcase-row { gap: 1.5rem; }
  .hero-title { font-size: 2.5rem; }
  .hero-visual { flex: none; width: 100%; }
  .ep-wrap { flex: none; width: 100%; max-width:100%; }
  .hero { padding: 6.5rem 1rem 3rem; gap: 3rem; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    gap: 1.25rem 2rem;
  }
  .stat {
    padding: 0;
    align-items: center;
  }
  .stat:first-child { padding-left: 0; }
  .stat-divider { display: none; }
}

/* light-theme adjustments */
[data-theme="light"] .ep-group-label { background: rgba(244,245,248,0.95); }

/* ==============================
   RESPONSIVE ADDITIONS
   ============================== */
@media (max-width: 900px) {
  .hero-visual { flex: none; width: 100%; max-width: 500px; margin: 0 auto; }
  .ep-wrap { flex: none; width: 100%; max-width: 500px; }
  .palette-inner { gap: 2.5rem; }

  .showcase-row {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
  }
  .showcase-row--flipped .showcase-text,
  .showcase-row--flipped .showcase-visual {
    order: initial;
  }
  .showcase-text p { max-width: 100%; }
  .feat-code-block { max-width: 100%; }
  .showcase-glow-card { min-height: 200px; }

  .cmd-modal.cmd-modal-previewing {
    width: min(96vw, 1120px);
  }

  .cmd-preview-img-wrap {
    min-height: min(62vh, 560px);
  }

  .qr-modal {
    width: min(94vw, 460px);
  }
}

@media (max-width: 640px) {
  .hpt-btn {
    flex: 1 1 145px;
    justify-content: center;
  }

  .platform-card {
    padding: 1.7rem 1.2rem;
  }

  .cmd-overlay {
    padding: 0.75rem;
  }

  .cmd-modal {
    max-width: calc(100vw - 1.5rem);
    max-height: calc(100vh - 1.5rem);
  }

  .cmd-preview-bar {
    padding: 0.75rem 0.9rem;
  }

  .cmd-preview-title {
    font-size: 0.76rem;
  }

  .cmd-preview-body {
    gap: 0.6rem;
    padding: 0.85rem 0.85rem 0.65rem;
  }

  .cmd-preview-arrow {
    width: 42px;
    height: 42px;
  }

  .cmd-preview-img-wrap {
    min-height: min(48vh, 320px);
  }

  .cmd-preview-info {
    padding: 0.9rem 0.9rem 1rem;
  }

  .cmd-preview-desc {
    font-size: 0.88rem;
  }

  .qr-modal {
    padding: 1.25rem 1rem 1.4rem;
  }

  .qr-modal-code-wrap {
    padding: 0.75rem;
  }

  .qr-modal-img {
    width: min(100%, 280px);
    padding: 10px;
    border-radius: 16px;
  }
}