/* ─────────────────────────────────────────────
   AERIAL SCREENSAVER — styles.css
   Chromium 79+ compatible build:
     • No `inset` shorthand  → explicit top/right/bottom/left
     • -webkit-backdrop-filter prefix added
     • :has() selector removed (not in Cr79/87) → replaced with JS .has-toggle class
     • flex `gap` removed (Chrome 84+) → replaced with `> * + *` margin selectors
     • All other selectors/properties verified against Chrome 79 baseline
     • clamp() / min() / max() arrived exactly in Chrome 79 — safe to use
───────────────────────────────────────────── */

:root {
  --white:      #ffffff;
  --white-80:   rgba(255,255,255,0.80);
  --white-50:   rgba(255,255,255,0.50);
  --white-25:   rgba(255,255,255,0.25);
  --white-10:   rgba(255,255,255,0.10);
  --black:      #000000;
  --black-80:   rgba(0,0,0,0.80);
  --black-60:   rgba(0,0,0,0.60);
  --black-20:   rgba(0,0,0,0.20);

  --modal-bg:     rgba(12,12,14,0.92);
  --modal-border: rgba(255,255,255,0.08);
  --accent:       rgba(255,255,255,0.70);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ui:      'Josefin Sans', sans-serif;
  --font-active:  'Josefin Sans', sans-serif;

  --fade-duration:    6000ms;
  --overlay-padding:  clamp(24px, 3.5vw, 64px);

  --osd-title-opacity: 0.80;
  --osd-poi-opacity:   0.80;
  --osd-clock-opacity: 0.80;

  --title-scale: 1;
  --poi-scale:   1;
  --clock-scale: 1;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #000;
  cursor: none;
}

body.settings-open { cursor: default; }

/* ── VIDEO LAYER ── */
#video-container {
  position: fixed;
  /* inset: 0 — not in Cr87, use explicit 4-sided declaration */
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 0;
}

.aerial-video {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  /* No transition needed — BlackoutManager overlay handles all visual fading.
     Instant switch while under black = zero freeze frames. */
  transition: none;
  will-change: opacity;
}

.aerial-video.active { opacity: 1; }

/* ── VIGNETTE ── */
#vignette {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      to top,
      rgba(0,0,0,0.65) 0%,
      rgba(0,0,0,0.20) 30%,
      transparent 60%
    ),
    linear-gradient(
      to bottom,
      rgba(0,0,0,0.30) 0%,
      transparent 25%
    );
}

/* ── OSD OVERLAYS ── */
#overlay-left,
#overlay-right {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  max-width: 55vw;
}

/* Title+POI corners */
:root[data-title-corner="bottom-left"]  #overlay-left { bottom: var(--overlay-padding); left:  var(--overlay-padding); right: auto; top: auto; text-align: left;  }
:root[data-title-corner="bottom-right"] #overlay-left { bottom: var(--overlay-padding); right: var(--overlay-padding); left: auto; top: auto; text-align: right; }
:root[data-title-corner="top-left"]     #overlay-left { top:    var(--overlay-padding); left:  var(--overlay-padding); right: auto; bottom: auto; text-align: left;  }
:root[data-title-corner="top-right"]    #overlay-left { top:    var(--overlay-padding); right: var(--overlay-padding); left: auto; bottom: auto; text-align: right; }

/* Clock+Date corners */
:root[data-clock-corner="bottom-left"]  #overlay-right { bottom: var(--overlay-padding); left:  var(--overlay-padding); right: auto; top: auto; text-align: left;  }
:root[data-clock-corner="bottom-right"] #overlay-right { bottom: var(--overlay-padding); right: var(--overlay-padding); left: auto; top: auto; text-align: right; }
:root[data-clock-corner="top-left"]     #overlay-right { top:    var(--overlay-padding); left:  var(--overlay-padding); right: auto; bottom: auto; text-align: left;  }
:root[data-clock-corner="top-right"]    #overlay-right { top:    var(--overlay-padding); right: var(--overlay-padding); left: auto; bottom: auto; text-align: right; }

#overlay-right #clock,
#overlay-right #dateline { text-align: inherit; }

/* Video title */
#video-title {
  font-family: var(--font-active);
  font-size: calc(clamp(1.8vw, max(1.8vw, 2.2vh), 3.2vw) * var(--title-scale));
  font-weight: 300;
  font-style: italic;
  color: var(--white-80);
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-shadow: 0 2px 24px rgba(0,0,0,0.6);
  opacity: var(--osd-title-opacity);
  transition: opacity 1200ms ease;
}

#video-title.osd-hidden {
  opacity: 0 !important;
  transition: opacity 1200ms ease;
}

#poi-text {
  font-family: var(--font-active);
  font-size: calc(clamp(0.9vw, max(0.9vw, 1.1vh), 1.6vw) * var(--poi-scale));
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--white-50);
  margin-bottom: 0.6vw;
  min-height: 1.2em;
  opacity: var(--osd-poi-opacity);
  transition: opacity 1200ms ease, transform 1200ms ease;
  transform: translateY(0);
  animation: none;
}

#poi-text.osd-hidden {
  opacity: 0 !important;
  transition: opacity 1200ms ease, transform 1200ms ease;
}

#poi-text.poi-enter {
  animation: poiSlideIn 600ms ease forwards;
}

@keyframes poiSlideIn {
  from { transform: translateY(6px); }
  to   { transform: translateY(0); }
}

/* Clock */
#clock {
  font-family: var(--font-active);
  font-size: calc(clamp(3.5vw, max(3.5vw, 4.5vh), 6.5vw) * var(--clock-scale));
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--white-80);
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
  line-height: 1;
  opacity: var(--osd-clock-opacity);
  transition: opacity 1200ms ease;
}

#clock.osd-hidden {
  opacity: 0 !important;
  transition: opacity 1200ms ease;
}

/* Date */
#dateline {
  font-family: var(--font-active);
  font-size: calc(clamp(0.7vw, max(0.7vw, 0.9vh), 1.2vw) * var(--clock-scale));
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.08em;
  color: var(--white-50);
  margin-top: 0.5vw;
  text-align: right;
  opacity: var(--osd-clock-opacity);
  transition: opacity 1200ms ease;
}

#dateline.osd-hidden {
  opacity: 0 !important;
  transition: opacity 1200ms ease;
}

/* ── DEBUG OVERLAY ── */
#debug-overlay {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 50;
  background: rgba(0,0,0,0.75);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 4px;
  padding: 16px 20px;
  min-width: 340px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.debug-row {
  display: -webkit-flex;
  display: flex;
  /* gap: 16px — not supported until Chrome 84; use margin instead */
  margin-bottom: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  line-height: 1.5;
}
.debug-row > * + * {
  margin-left: 16px;
}

.debug-label {
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.1em;
  min-width: 90px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}

.debug-row span:last-child {
  color: rgba(255,255,255,0.80);
  word-break: break-all;
}

.dbg-url {
  font-size: 0.6rem !important;
  opacity: 0.6;
}

/* ── SETTINGS MODAL ── */
#settings-overlay {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 100;
  background: rgba(0,0,0,0.50);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  cursor: default;
  opacity: 1;
  transition: opacity 300ms ease;
}

#settings-overlay.hidden {
  display: none;
}

#settings-modal {
  background: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: 12px;
  padding: 0;
  width: min(480px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  box-shadow: 0 40px 80px rgba(0,0,0,0.8);
  -webkit-animation: modalIn 250ms cubic-bezier(0.34,1.56,0.64,1) forwards;
  animation: modalIn 250ms cubic-bezier(0.34,1.56,0.64,1) forwards;
}

#settings-modal::-webkit-scrollbar { width: 3px; }
#settings-modal::-webkit-scrollbar-track { background: transparent; }
#settings-modal::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

@-webkit-keyframes modalIn {
  from { opacity: 0; -webkit-transform: scale(0.92) translateY(12px); transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; -webkit-transform: scale(1) translateY(0); transform: scale(1) translateY(0); }
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── Mobile: slide up as a bottom sheet ── */
@media (max-width: 500px) {
  #settings-overlay {
    -webkit-align-items: flex-end;
    align-items: flex-end;
    padding: 0;
  }
  #settings-modal {
    width: 100%;
    max-width: 100%;
    max-height: 92vh;
    border-radius: 16px 16px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    -webkit-animation: modalInMobile 280ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
    animation: modalInMobile 280ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
  }
  @-webkit-keyframes modalInMobile {
    from { opacity: 0; -webkit-transform: translateY(100%); transform: translateY(100%); }
    to   { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
  }
  @keyframes modalInMobile {
    from { opacity: 0; transform: translateY(100%); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

#settings-header {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--modal-border);
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  background: var(--modal-bg);
  z-index: 1;
}

#settings-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-80);
}

#settings-close {
  background: none;
  border: none;
  color: var(--white-50);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 150ms;
  line-height: 1;
}
#settings-close:hover { color: var(--white-80); }

.settings-section {
  padding: 16px 24px;
  border-bottom: 1px solid var(--modal-border);
}
.settings-section:last-of-type { border-bottom: none; }

.settings-section-title {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white-25);
  margin-bottom: 12px;
}

.settings-row {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  /* gap: 12px — not supported until Chrome 84 */
  margin-bottom: 12px;
}
.settings-row > * + * {
  margin-left: 12px;
}
.settings-row:last-child { margin-bottom: 0; }

.settings-row label:first-child {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--white-80);
  letter-spacing: 0.04em;
  -webkit-flex: 1;
  flex: 1;
  min-width: 0;
}

/* Select dropdowns */
select {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  color: var(--white-80);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 300;
  padding: 8px 28px 8px 12px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 150ms;
  min-width: 140px;
  max-width: 100%;
}
select:hover  { border-color: rgba(255,255,255,0.25); }
select:focus  { outline: none; border-color: rgba(255,255,255,0.40); }
select option  { background: #1a1a1f; color: #fff; }
select optgroup { background: #1a1a1f; color: rgba(255,255,255,0.35); font-size: 0.68rem; letter-spacing: 0.08em; }

@media (max-width: 500px) {
  select { min-width: 0; width: 100%; }
  .settings-row { -webkit-flex-direction: column; flex-direction: column; -webkit-align-items: flex-start; align-items: flex-start; }
  .settings-row label:first-child { min-width: unset; }
  /* Toggle rows stay horizontal — JS adds .has-toggle class (replaces :has() which Cr87 lacks) */
  .settings-row.has-toggle { -webkit-flex-direction: row; flex-direction: row; -webkit-align-items: center; align-items: center; }
}

/* Toggle switch */
.toggle-wrap {
  position: relative;
  width: 44px;
  height: 24px;
}
.toggle-wrap input[type="checkbox"] {
  opacity: 0;
  width: 0; height: 0;
  position: absolute;
}
.toggle-label {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
  cursor: pointer;
  transition: background 200ms;
}
.toggle-label::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white-50);
  transition: -webkit-transform 200ms, transform 200ms, background 200ms;
}
.toggle-wrap input:checked + .toggle-label {
  background: rgba(255,255,255,0.35);
}
.toggle-wrap input:checked + .toggle-label::after {
  -webkit-transform: translateX(20px);
  transform: translateX(20px);
  background: var(--white);
}

#settings-hint {
  padding: 12px 24px;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--white-25);
  border-top: 1px solid var(--modal-border);
  text-align: center;
  position: -webkit-sticky;
  position: sticky;
  bottom: 0;
  background: var(--modal-bg);
}

@media (max-width: 500px) {
  #settings-hint { font-size: 0.56rem; letter-spacing: 0.04em; padding: 10px 16px; }
  #settings-modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: rgba(255,255,255,0.18);
    border-radius: 2px;
    margin: 10px auto 0;
  }
}

kbd {
  font-family: monospace;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.7em;
}

/* ── SKIP RIPPLE ── */
#skip-ripple {
  position: fixed;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%) scale(0);
  transform: translate(-50%, -50%) scale(0);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  z-index: 20;
  pointer-events: none;
}
#skip-ripple.animate {
  -webkit-animation: ripple 500ms ease-out forwards;
  animation: ripple 500ms ease-out forwards;
}
@-webkit-keyframes ripple {
  from { -webkit-transform: translate(-50%,-50%) scale(0); transform: translate(-50%,-50%) scale(0); opacity: 1; }
  to   { -webkit-transform: translate(-50%,-50%) scale(3); transform: translate(-50%,-50%) scale(3); opacity: 0; }
}
@keyframes ripple {
  from { transform: translate(-50%,-50%) scale(0); opacity: 1; }
  to   { transform: translate(-50%,-50%) scale(3); opacity: 0; }
}

/* ── OSD OPACITY SLIDER ── */
.slider-wrap {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  /* gap: 10px — not supported until Chrome 84 */
  -webkit-flex: 1;
  flex: 1;
  min-width: 0;
}
.slider-wrap > * + * {
  margin-left: 10px;
}

.slider-wrap span {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--white-50);
  min-width: 32px;
  text-align: right;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  -webkit-flex: 1;
  flex: 1;
  min-width: 80px;
  height: 2px;
  background: rgba(255,255,255,0.20);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

@media (max-width: 500px) {
  .slider-wrap { width: 100%; }
  input[type="range"] { min-width: 0; }
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
  transition: -webkit-transform 150ms;
  transition: transform 150ms;
}
input[type="range"]::-webkit-slider-thumb:hover {
  -webkit-transform: scale(1.2);
  transform: scale(1.2);
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: none;
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

@media (max-width: 500px) {
  input[type="range"]::-webkit-slider-thumb { width: 20px; height: 20px; }
  input[type="range"]::-moz-range-thumb     { width: 20px; height: 20px; }
  input[type="range"] { height: 3px; }
}

/* ── STARTUP HINT ── */
#start-hint {
  position: fixed;
  bottom: 28px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  z-index: 20;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  padding: 7px 18px;
  pointer-events: none;
  white-space: nowrap;
  -webkit-animation: hintLifecycle 5s ease forwards;
  animation: hintLifecycle 5s ease forwards;
}

#start-hint span {
  color: rgba(255,255,255,0.65);
}

@-webkit-keyframes hintLifecycle {
  0%   { opacity: 0; }
  12%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes hintLifecycle {
  0%   { opacity: 0; }
  12%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

#start-hint.hidden { display: none !important; }

/* ── STALL BLACKOUT ── */
#stall-blackout {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 15;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 800ms ease-in-out;
}
#stall-blackout.fading  { opacity: 1; transition: opacity 800ms ease-in-out; }
#stall-blackout.lifting { opacity: 0; transition: opacity 2000ms ease-in-out; }

/* ── UTILITY ── */
.hidden { display: none !important; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  :root {
    --overlay-padding: clamp(14px, 4vw, 28px);
  }
  #overlay-left  { max-width: 80vw; }
  #debug-overlay { min-width: unset; max-width: 90vw; }
}

/* ── D-PAD / REMOTE FOCUS STYLES ── */
#settings-modal select:focus,
#settings-modal input[type="range"]:focus,
#settings-modal input[type="checkbox"]:focus + .toggle-label,
#settings-modal button:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.80);
  border-radius: 6px;
}
#settings-modal input[type="range"]:focus {
  background: rgba(255,255,255,0.35);
}

/* ── FONT PREVIEW ── */
#font-preview {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--white-50);
  letter-spacing: 0.06em;
  padding: 6px 0 2px;
  transition: font-family 200ms;
  font-style: italic;
}

/* ── POI ORDER ── */
#overlay-left {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}

[data-poi-order="below"] #overlay-left {
  -webkit-flex-direction: column-reverse;
  flex-direction: column-reverse;
}

[data-poi-order="above"] #overlay-left {
  -webkit-flex-direction: column;
  flex-direction: column;
}