/* ─── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #000;
  color: #fff;
  font-family: Georgia, 'Times New Roman', serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ─── Screens ───────────────────────────────────────────────────────────────── */
.screen { display: none; width: 100%; }
.screen.active { display: flex; flex-direction: column; }

#screen-entry {
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}

#screen-player { min-height: 100vh; }

/* ─── Player entrance ───────────────────────────────────────────────────────── */
.player-entering {
  animation: playerFadeIn 0.4s ease forwards;
}

@keyframes playerFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Entry Screen ──────────────────────────────────────────────────────────── */
.entry-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 40px 24px;
  text-align: center;
}

.app-title {
  font-size: clamp(72px, 20vw, 120px);
  font-weight: 400;
  letter-spacing: -2px;
  line-height: 1;
  color: #fff;
}

.app-subtitle {
  font-size: clamp(14px, 4vw, 18px);
  color: #888;
  letter-spacing: 0.5px;
}

.lang-selector-wrap { margin-top: 8px; }

#lang-select {
  background: #111;
  color: #fff;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 16px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  text-align: center;
  min-width: 160px;
}

#lang-select:focus { outline: none; border-color: #555; }

.btn-go {
  background: #fff;
  color: #000;
  border: none;
  border-radius: 50px;
  padding: 14px 48px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 1px;
  cursor: pointer;
  transition: opacity 0.15s;
  margin-top: 8px;
}

.btn-go:active { opacity: 0.8; }

/* ─── Why Section ───────────────────────────────────────────────────────────── */
#why-section {
  width: 100%;
  max-width: 320px;
  margin-top: 40px;
}

.why-toggle {
  background: none;
  border: none;
  color: #555;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 8px 0;
  width: 100%;
  text-align: center;
  letter-spacing: 0.3px;
  transition: color 0.2s;
  position: relative;
}

.why-toggle::after {
  content: ' ↓';
  font-size: 11px;
  transition: transform 0.2s;
  display: inline-block;
}

.why-toggle.why-open::after {
  transform: rotate(180deg);
}

.why-toggle:hover { color: #888; }

.why-body {
  padding: 16px 0 8px;
  text-align: left;
}

.why-body span {
  display: block;
  font-size: 13px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 12px;
}

.why-body span:last-child { margin-bottom: 0; }
.why-body.hidden { display: none; }

/* ─── Banner Ad ─────────────────────────────────────────────────────────────── */
#banner-ad-container {
  height: 50px;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-bottom: 1px solid #111;
}

/* ─── Player Area ───────────────────────────────────────────────────────────── */
#player-area {
  position: relative;
  height: calc(100svh - 50px - 60px);
  flex-shrink: 0;
  overflow: hidden;
  background: #000;
}

@supports not (height: 100svh) {
  #player-area { height: calc(100vh - 50px - 60px); }
}


/* ─── Progress Bar ──────────────────────────────────────────────────────────── */
#progress-bar-container {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,0.15);
  z-index: 10;
}

#progress-bar {
  height: 100%;
  background: #fff;
  transition: width 0.3s ease;
  width: 0%;
}

/* ─── Video fade transition ─────────────────────────────────────────────────── */
#video-player {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.15s ease;
}

#player-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

/* ─── Player Action Buttons (mute, share) ───────────────────────────────────── */
.player-action-btn {
  position: absolute;
  background: rgba(0,0,0,0.35);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 6;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.player-action-btn:active { background: rgba(0,0,0,0.6); }
.btn-audio { top: 14px; right: 14px; }

/* ─── Nav Buttons ───────────────────────────────────────────────────────────── */
.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.35);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 6;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.nav-btn:active { background: rgba(0,0,0,0.6); }
.nav-prev { left: 12px; }
.nav-next { right: 12px; }

/* ─── Mode Tabs ─────────────────────────────────────────────────────────────── */
#mode-tabs {
  height: 60px;
  display: flex;
  align-items: stretch;
  background: #0d0d0d;
  border-top: 1px solid #1a1a1a;
  flex-shrink: 0;
}

.mode-tab {
  flex: 1;
  background: none;
  border: none;
  color: #555;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: color 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
  padding: 0 4px;
  text-align: center;
  line-height: 1.3;
}

.mode-tab:not(:last-child) { border-right: 1px solid #1a1a1a; }
.mode-tab.active { color: #fff; background: #111; }
.lock-icon { font-size: 10px; opacity: 0.7; }

/* ─── SEO Section ───────────────────────────────────────────────────────────── */
#seo-section {
  padding: 48px 24px 64px;
  max-width: 640px;
  margin: 0 auto;
  color: #444;
}

#seo-section h2 {
  font-size: 22px;
  font-weight: 400;
  color: #555;
  margin-bottom: 16px;
}

#seo-section h3 {
  font-size: 16px;
  font-weight: 400;
  color: #444;
  margin: 24px 0 10px;
}

#seo-section p {
  font-size: 14px;
  line-height: 1.7;
  color: #3a3a3a;
  margin-bottom: 12px;
}

#seo-section strong { color: #555; }

.seo-tags {
  font-size: 11px !important;
  color: #2a2a2a !important;
  margin-top: 32px;
}

/* ─── Modal ─────────────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.hidden { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
}

.modal-content {
  position: relative;
  z-index: 1;
  background: #111;
  border: 1px solid #222;
  border-radius: 16px;
  padding: 32px 24px 28px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 12px; right: 14px;
  background: none;
  border: none;
  color: #555;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.modal-close:hover { color: #fff; }

.modal-title {
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 8px;
}

.modal-subtitle {
  font-size: 13px;
  color: #666;
  margin-bottom: 28px;
  line-height: 1.5;
}

.modal-buttons { display: flex; gap: 12px; justify-content: center; }

.btn-unlock {
  flex: 1;
  max-width: 160px;
  border: none;
  border-radius: 12px;
  padding: 16px 12px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.btn-unlock:active { opacity: 0.8; }

.btn-unlock-animals {
  background: #fff;
  color: #000;
}

.unlock-icon { font-size: 24px; }

.unlock-label {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

.unlock-desc {
  font-size: 11px;
  opacity: 0.65;
  line-height: 1.3;
}

/* ─── Ad Overlay ────────────────────────────────────────────────────────────── */
#ad-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

#ad-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 24px;
  text-align: center;
  width: 100%;
  max-width: 400px;
}

#ad-mode-label {
  font-size: 14px;
  color: #666;
  letter-spacing: 1px;
  text-transform: uppercase;
}

#adsense-rewarded-container {
  width: 100%;
  min-height: 1px;
}

#ad-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

#countdown-ring {
  position: relative;
  width: 80px;
  height: 80px;
}

#countdown-svg {
  width: 80px;
  height: 80px;
  transform: rotate(-90deg);
}

.ring-track { fill: none; stroke: #222; stroke-width: 6; }

.ring-fill {
  fill: none;
  stroke: #fff;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 213.6;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

#countdown-number {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 28px;
  color: #fff;
}

.ad-hint { font-size: 13px; color: #555; }

.btn-continue {
  background: #fff;
  color: #000;
  border: none;
  border-radius: 50px;
  padding: 12px 36px;
  font-family: inherit;
  font-size: 17px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-continue:active { opacity: 0.8; }

/* ─── Cookie Banner ─────────────────────────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #111;
  border-top: 1px solid #222;
  z-index: 300;
  padding: 14px 20px;
}

#cookie-banner.hidden { display: none; }

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.cookie-content p { font-size: 12px; color: #888; line-height: 1.4; }
.cookie-content a { color: #aaa; text-underline-offset: 2px; }

.cookie-buttons { display: flex; gap: 8px; flex-shrink: 0; }

.btn-cookie {
  border: 1px solid #333;
  border-radius: 6px;
  padding: 7px 16px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-cookie-decline { background: none; color: #666; }
.btn-cookie-accept  { background: #fff; color: #000; border-color: #fff; }
.btn-cookie:active  { opacity: 0.8; }

/* ─── A2HS Banner ───────────────────────────────────────────────────────────── */
#a2hs-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #111;
  border-bottom: 1px solid #222;
  z-index: 400;
  padding: 12px 20px;
}

#a2hs-banner.hidden { display: none; }

.a2hs-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 640px;
  margin: 0 auto;
  flex-wrap: wrap;
}

#a2hs-text {
  font-size: 12px;
  color: #888;
  line-height: 1.4;
  flex: 1;
}

.a2hs-buttons { display: flex; gap: 8px; flex-shrink: 0; }

.btn-a2hs {
  border: 1px solid #333;
  border-radius: 6px;
  padding: 7px 16px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-a2hs-dismiss { background: none; color: #666; }
.btn-a2hs-install { background: #fff; color: #000; border-color: #fff; }
.btn-a2hs:active  { opacity: 0.8; }

/* ─── Tap to Play Overlay ───────────────────────────────────────────────────── */
#tap-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  z-index: 7;
  cursor: pointer;
}

#tap-overlay.hidden { display: none !important; }

#tap-icon {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  padding-left: 4px;
}

/* ─── Bottom Nav ────────────────────────────────────────────────────────────── */
#bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 64px;
  background: #0d0d0d;
  border-top: 1px solid #1a1a1a;
  display: flex;
  align-items: stretch;
  z-index: 50;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-decoration: none;
  color: #444;
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.nav-item:not(:last-child) { border-right: 1px solid #1a1a1a; }
.nav-item.active { color: #fff; }

.nav-icon  { font-size: 18px; line-height: 1; }
.nav-label { font-size: 10px; letter-spacing: 0.5px; }

/* Push player screen content up to avoid nav overlap */
#screen-player { padding-bottom: 64px; }

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

/* ─── Hide SEO on mobile ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #seo-section { display: none; }
}

/* ─── Desktop centering ─────────────────────────────────────────────────────── */
@media (min-width: 500px) {
  #screen-player {
    align-items: center;
  }

  #banner-ad-container {
    width: 100%;
    border-bottom: none;
    padding-top: 8px;
  }

  #player-area {
    width: 100%;
    max-width: 400px;
    /* Switch from height calc to aspect-ratio so height is self-contained
       and doesn't rely on percentage inheritance through flex children. */
    height: auto;
    aspect-ratio: 9 / 16;
    max-height: calc(100svh - 110px);
  }

  #mode-tabs {
    width: 100%;
    max-width: 400px;
  }
}