:root {
  --bg: #0b1020;
  --panel: rgba(16, 21, 34, 0.88);
  --text: #f7f7fb;
  --muted: #aeb6c8;
  --line: rgba(255,255,255,0.14);
  --accent: #7dd3fc;
  --danger: #fb7185;
  --radius: 18px;
  --controls-opacity: 1;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: var(--bg); color: var(--text); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif; overflow: hidden; }
button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app { position: fixed; inset: 0; min-height: 100dvh; background: radial-gradient(circle at top, #1e293b 0, #0b1020 48%, #050816 100%); overflow: hidden; }
.browser-shell { position: absolute; inset: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); display: flex; flex-direction: column; }
.controls-layer { opacity: var(--controls-opacity); transition: opacity 160ms ease; }

.browser-toolbar { display: grid; grid-template-columns: 44px 44px 44px 44px 1fr 44px 44px; gap: 8px; align-items: center; padding: 10px; background: rgba(5,8,22,0.78); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); z-index: 8; }
.toolbar-btn { height: 40px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,0.08); color: var(--text); display: grid; place-items: center; cursor: pointer; }
.toolbar-btn:active, .primary-btn:active, .secondary-btn:active { transform: scale(0.98); }
.address-form { min-width: 0; }
.address-input { width: 100%; height: 40px; border: 1px solid var(--line); border-radius: 999px; padding: 0 16px; color: var(--text); background: rgba(255,255,255,0.09); outline: none; }
.address-input::placeholder { color: rgba(247,247,251,0.55); }

.browser-viewport { position: relative; flex: 1; min-height: 0; overflow: hidden; background: #050816; }
.browser-frame, .imported-video, .imported-image { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #050816; display: none; }
.imported-video, .imported-image { object-fit: contain; }
.browser-frame.is-visible, .imported-video.is-visible, .imported-image.is-visible { display: block; }

.home-panel { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 24px; text-align: center; }

.youtube-home-card {
  width: min(680px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(8, 12, 24, 0.72);
  backdrop-filter: blur(22px);
  box-shadow: 0 28px 80px rgba(0,0,0,0.36);
  padding: 24px;
  max-height: calc(100dvh - 120px);
  overflow: auto;
}
.youtube-home-kicker {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.youtube-home-card h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.05;
}
.youtube-home-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.45;
}
.youtube-home-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.youtube-home-input,
.youtube-home-select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 16px;
  color: var(--text);
  background: rgba(255,255,255,0.09);
  outline: none;
}
.youtube-home-input::placeholder { color: rgba(247,247,251,0.55); }
.youtube-favorite-inline,
.youtube-recent-inline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}
.youtube-home-section {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  text-align: left;
}
.youtube-home-section label {
  color: var(--muted);
  font-size: 13px;
}
.youtube-inline-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.youtube-home-select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 12px;
  color: var(--text);
  background: rgba(255,255,255,0.09);
  outline: none;
}
.youtube-home-select option { color: #06101f; }
.youtube-home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.youtube-recent-inline label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.youtube-inline-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.switch-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}
.switch-line input {
  width: 18px;
  height: 18px;
}

.primary-btn, .secondary-btn { border: 1px solid var(--line); border-radius: 14px; min-height: 42px; padding: 0 16px; color: var(--text); cursor: pointer; }
.primary-btn { background: linear-gradient(135deg, rgba(125,211,252,0.95), rgba(129,140,248,0.95)); color: #06101f; font-weight: 800; }
.secondary-btn { background: rgba(255,255,255,0.09); }
.danger-btn { border-color: rgba(251,113,133,0.45); color: #fecdd3; }
.danger-btn:active { background: rgba(251,113,133,0.16); }
.small { min-height: 36px; padding-inline: 12px; }

.video-fullscreen-btn { position: absolute; right: 14px; bottom: calc(env(safe-area-inset-bottom) + 70px); width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 999px; background: rgba(8,12,24,0.72); color: var(--text); backdrop-filter: blur(18px); z-index: 10; }

.external-btn { position: absolute; right: 14px; bottom: calc(env(safe-area-inset-bottom) + 14px); width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 999px; background: rgba(8,12,24,0.72); color: var(--text); backdrop-filter: blur(18px); z-index: 10; }

.settings-panel { position: absolute; top: calc(env(safe-area-inset-top) + 12px); right: calc(env(safe-area-inset-right) + 12px); width: min(390px, calc(100vw - 24px)); max-height: calc(100dvh - 24px - env(safe-area-inset-top)); overflow: auto; transform: translateX(calc(100% + 28px)); transition: transform 180ms ease, opacity 160ms ease; z-index: 20; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); backdrop-filter: blur(22px); box-shadow: 0 30px 80px rgba(0,0,0,0.38); padding: 14px; }
.settings-panel.is-open { transform: translateX(0); opacity: 1 !important; }
.settings-header, .setting-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.settings-header { padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.setting-group, .setting-row { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.setting-group label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 14px; }
input[type="range"] { width: 100%; }
input[type="file"] { width: 100%; color: var(--muted); }
select, .settings-input { width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: 12px; padding: 0 12px; color: var(--text); background: rgba(255,255,255,0.09); outline: none; }
select option { color: #06101f; }
.favorite-details { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.35; word-break: break-word; }
.favorite-details strong { color: var(--text); font-weight: 700; }
.favorite-details .detail-line { display: block; margin-top: 3px; }

.recordings-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  max-height: 280px;
  overflow: auto;
  padding-right: 2px;
}
.recording-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.055);
  padding: 10px;
}
.recording-card.is-selected {
  border-color: rgba(125,211,252,0.72);
  background: rgba(125,211,252,0.12);
}
.recording-card-main {
  min-width: 0;
}
.recording-card-title {
  display: block;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recording-card-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
.recording-card-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.recordings-empty {
  color: var(--muted);
  font-size: 13px;
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 12px;
}

.diagnostic-output {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.055);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.diagnostic-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: 7px;
}
.diagnostic-line:last-child { border-bottom: 0; padding-bottom: 0; }
.diagnostic-status { color: var(--text); font-weight: 700; text-align: right; }
.diagnostic-status.ok { color: #86efac; }
.diagnostic-status.warn { color: #fde68a; }
.diagnostic-status.bad { color: #fda4af; }
.auth-note { color: var(--muted); font-size: 13px; line-height: 1.35; }


.app-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, rgba(30,41,59,0.98) 0, rgba(5,8,22,0.98) 58%, rgba(2,6,23,1) 100%);
  backdrop-filter: blur(18px);
}
.app-lock-overlay[hidden] { display: none; }
.app-lock-card {
  width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(8,12,24,0.82);
  box-shadow: 0 30px 90px rgba(0,0,0,0.48);
  padding: 26px;
  text-align: center;
}
.app-lock-kicker {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.app-lock-card h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1.05;
}
.app-lock-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.45;
}
.app-lock-card .primary-btn { width: 100%; }
.app-lock-status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.corner-hotspot { position: absolute; top: 0; right: 0; width: 86px; height: 86px; z-index: 30; border: 0; background: transparent; opacity: 0; }

@media (max-width: 640px) {
  .youtube-home-card { padding: 18px; }
  .youtube-home-form, .youtube-favorite-inline,
.youtube-recent-inline { grid-template-columns: 1fr; }
  .youtube-home-form .primary-btn, .youtube-favorite-inline .secondary-btn, .youtube-inline-row .secondary-btn { width: 100%; }
  .browser-toolbar {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-template-areas:
      "stop start reload home go settings"
      "address address address address address address";
    gap: 6px;
    padding: 8px;
  }
  #backBtn { grid-area: stop; }
  #forwardBtn { grid-area: start; }
  #reloadBtn { grid-area: reload; }
  #homeBtn { grid-area: home; }
  #goBtn { grid-area: go; }
  #settingsBtn { grid-area: settings; }
  .address-form { grid-area: address; min-width: 0; }
  .toolbar-btn, .address-input { height: 38px; }
}

@media (max-width: 380px) {
  .browser-toolbar { gap: 5px; padding: 7px; }
  .toolbar-btn, .address-input { height: 36px; }
  .toolbar-btn { border-radius: 12px; }
}


.update-banner {
  position: absolute;
  left: calc(env(safe-area-inset-left) + 12px);
  right: calc(env(safe-area-inset-right) + 12px);
  top: calc(env(safe-area-inset-top) + 12px);
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(125,211,252,0.42);
  border-radius: 16px;
  background: rgba(8, 12, 24, 0.86);
  color: var(--text);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 60px rgba(0,0,0,0.35);
}
.update-banner[hidden] { display: none; }
.update-banner span { min-width: 0; font-size: 13px; color: var(--muted); }

@media (max-width: 520px) {
  .recording-card { grid-template-columns: 1fr; }
  .recording-card-actions { justify-content: flex-start; flex-wrap: wrap; }
}