/* ============================================================
   COMPONENTS — Buttons, Brackets, Plates, HUD, Modals, Drawer
   Unified Light Grey Theme.
   ============================================================ */

/* 1. Chamfered SVG Buttons */
.btn-chamfer {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  min-height: 40px;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--accent-on-accent);
  background: var(--accent);
  clip-path: polygon(
    10px 0%,
    100% 0%,
    100% calc(100% - 10px),
    calc(100% - 10px) 100%,
    0% 100%,
    0% 10px
  );
  transition: transform var(--duration-fast) var(--ease-entrance),
              background var(--duration-fast) var(--ease-entrance),
              box-shadow var(--duration-fast) var(--ease-entrance);
  cursor: pointer;
  border: none;
  text-decoration: none;
  box-sizing: border-box;
}
.btn-chamfer:hover {
  transform: translateY(-2px);
  background: var(--raw-color-grey-700);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.btn-chamfer:active {
  transform: translateY(0);
}

.btn-chamfer-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--surface-raised);
  color: var(--foreground);
  border: 1px solid var(--border-muted);
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-entrance);
}
.btn-chamfer-dark:hover {
  background: var(--surface-muted);
  border-color: var(--border-strong);
  color: var(--foreground);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  min-height: 40px;
  box-sizing: border-box;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.01em;
  color: var(--foreground-muted);
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease-entrance);
  text-decoration: none;
}
.btn-ghost:hover {
  color: var(--foreground);
  border-color: var(--accent);
  background: var(--surface-muted);
}

/* Responsive visibility utilities */
.hide-below-md { display: none; }
@media (min-width: 768px) { .hide-below-md { display: inline-flex; } }

.hide-below-lg { display: none; }
@media (min-width: 1024px) { .hide-below-lg { display: block; } }

/* 2. Technical Bracket Panels */
.bracket-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-muted);
  padding: 1.25rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}
.bracket-panel::before,
.bracket-panel::after,
.bracket-panel > .bracket-b::before,
.bracket-panel > .bracket-b::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-color: var(--accent);
  border-style: solid;
  pointer-events: none;
}
.bracket-panel::before {
  top: -1px; left: -1px;
  border-width: 2px 0 0 2px;
}
.bracket-panel::after {
  top: -1px; right: -1px;
  border-width: 2px 2px 0 0;
}
.bracket-panel > .bracket-b::before {
  bottom: -1px; left: -1px;
  border-width: 0 0 2px 2px;
}
.bracket-panel > .bracket-b::after {
  bottom: -1px; right: -1px;
  border-width: 0 2px 2px 0;
}

.bracket-panel-dark {
  background: var(--surface-raised);
  border-color: var(--border-muted);
  color: var(--foreground);
}

/* 3. Stepped Corner Timeline Plate */
.plate-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  transition: opacity var(--duration-plate) var(--ease-plate);
  cursor: pointer;
}

.plate-shape {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  clip-path: polygon(
    0 18px,
    18px 0,
    calc(100% - 18px) 0,
    100% 18px,
    100% calc(100% - 18px),
    calc(100% - 18px) 100%,
    18px 100%,
    0 calc(100% - 18px)
  );
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.plate-inner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-plate) var(--ease-plate),
              inset var(--duration-plate) var(--ease-plate),
              filter var(--duration-plate) var(--ease-plate);
  filter: grayscale(10%) contrast(1.02);
}
.plate-wrap:hover .plate-inner-img {
  transform: scale(1.04);
  inset: 5%;
  width: 90%;
  height: 90%;
  filter: grayscale(0%) contrast(1.05);
}

/* 4. Video Console & Stream Switcher */
.video-console {
  position: relative;
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
}
.video-console-header {
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border-muted);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stream-tab-bar {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.stream-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.35rem 0.85rem;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-muted);
  color: var(--foreground-muted);
  border: 1px solid var(--border-muted);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-entrance);
  user-select: none;
  -webkit-user-select: none;
}
.stream-tab-btn:hover {
  background: var(--surface-raised);
  color: var(--foreground);
  border-color: var(--border-strong);
}
.stream-tab-btn.is-active {
  background: var(--foreground);
  color: var(--background);
  border-color: var(--foreground);
  font-weight: 600;
}
.video-screen-wrap {
  position: relative;
  width: 100%;
  background: #09090b;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.video-player-element {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  display: block;
  background: #09090b;
  transition: aspect-ratio var(--duration-fast) var(--ease-entrance);
}
.video-console-footer {
  background: var(--surface-raised);
  border-top: 1px solid var(--border-muted);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.scrubber-track {
  width: 100%;
  height: 4px;
  background: var(--border-muted);
  position: relative;
  cursor: pointer;
  border-radius: 2px;
}
/* Expanded touch/click hit area for scrubber */
.scrubber-track::before {
  content: "";
  position: absolute;
  top: -10px;
  bottom: -10px;
  left: 0;
  right: 0;
  cursor: pointer;
}
.scrubber-fill {
  height: 100%;
  width: 0%;
  background: var(--foreground);
  position: relative;
  pointer-events: none;
  border-radius: 2px;
}
.scrubber-fill::after {
  content: "";
  position: absolute;
  right: -5px;
  top: -4px;
  width: 12px;
  height: 12px;
  background: var(--foreground);
  border: 2px solid var(--surface-raised);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}
.video-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.video-footer-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.video-footer-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--foreground);
  text-transform: uppercase;
}
.video-footer-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--foreground-muted);
}
.video-footer-timecode {
  font-variant-numeric: tabular-nums;
  color: var(--foreground);
  font-weight: 600;
}
.video-footer-status {
  letter-spacing: 0.02em;
}

/* 5. Fullscreen Lightbox / Modal (Compact Zero-Scroll Architecture) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(24, 24, 27, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease-entrance);
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal-dialog {
  position: relative;
  width: 100%;
  max-width: 50rem;
  max-height: 92vh;
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  color: var(--foreground);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transform: scale(0.96) translateY(0.75rem);
  transition: transform 300ms cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  border-radius: 4px;
}
.modal-backdrop.is-open .modal-dialog {
  transform: scale(1) translateY(0);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-muted);
}
.modal-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.modal-header-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}
.modal-title-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--foreground);
  margin: 0;
}
.modal-subtitle-text {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--foreground-muted);
}
.modal-body {
  padding: 1rem 1.25rem 1.25rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
.modal-col-left {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.modal-media-frame {
  width: 100%;
  height: 145px;
  background: var(--surface-muted);
  overflow: hidden;
  border: 1px solid var(--border-muted);
  border-radius: 2px;
}
.modal-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modal-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
}
.modal-metric-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-muted);
  padding: 0.4rem 0.6rem;
  border-radius: 2px;
}
.modal-metric-val {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--foreground);
}
.modal-metric-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--foreground-muted);
  margin-top: 0.15rem;
}
.modal-col-right {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.modal-section-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.modal-section-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--foreground-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}
.modal-body-copy {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--foreground-muted);
}
.modal-tech-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}
.modal-close-btn {
  background: var(--surface-muted);
  border: 1px solid var(--border-muted);
  color: var(--foreground);
  width: 1.875rem;
  height: 1.875rem;
  min-width: 30px;
  min-height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-entrance);
  border-radius: 2px;
}
.modal-close-btn:hover {
  background: var(--accent);
  color: var(--accent-on-accent);
}
.tag-pill {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  line-height: 1.4;
  background: var(--surface-muted);
  color: var(--foreground);
  border: 1px solid var(--border-muted);
  border-radius: 2px;
  margin: 0;
}

@media (max-width: 640px) {
  .modal-body {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 0.85rem 1rem 1rem;
  }
  .modal-media-frame {
    height: 130px;
  }
}

/* 6. Fullscreen Menu Sheet */
.menu-sheet {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--surface-raised);
  color: var(--foreground);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: max(1.5rem, env(safe-area-inset-top)) max(2.5rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(2.5rem, env(safe-area-inset-left));
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition: opacity 400ms var(--ease-entrance), transform 450ms cubic-bezier(0.2, 0, 0, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--border-muted);
}
.menu-sheet.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.menu-sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.menu-sheet-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}
.menu-sheet-link {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--foreground-muted);
  transition:
    color var(--duration-fast) var(--ease-entrance),
    transform var(--duration-normal) var(--ease-entrance),
    opacity var(--duration-normal) var(--ease-entrance);
}
/* Staggered entry only when JS drives it; otherwise links are plainly visible. */
.js-motion .menu-sheet-link {
  opacity: 0;
  transform: translateY(0.75rem);
}
.js-motion .menu-sheet-link.is-revealed {
  opacity: 1;
  transform: none;
}
.menu-sheet-link:hover,
.menu-sheet-link:focus-visible {
  color: var(--foreground);
  transform: translateX(0.5rem);
}
@media (prefers-reduced-motion: reduce) {
  .js-motion .menu-sheet-link { opacity: 1; transform: none; }
}
.menu-sheet-footer {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--foreground-muted);
  border-top: 1px solid var(--border-muted);
  padding-top: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (max-width: 639px) {
  .menu-sheet {
    padding: max(1.5rem, env(safe-area-inset-top)) max(1.5rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1.5rem, env(safe-area-inset-left));
  }
  .menu-sheet-nav {
    margin-top: 2rem;
    margin-bottom: 2rem;
    gap: 1.25rem;
  }
}