*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: #1a1a1a;
  border-bottom: 2px solid #ffcc00;
  padding: 12px 24px;
  text-align: center;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffcc00;
  letter-spacing: 1px;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 24px;
}

footer {
  background: #1a1a1a;
  border-top: 1px solid #333;
  padding: 8px 24px;
  font-size: 0.75rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  color: #666;
}

footer a { color: #999; text-decoration: none; }
footer a:hover { color: #e0e0e0; }
footer .bmc-btn-container { transform: scale(0.6); transform-origin: center; }

/* Landing state */
#landing {
  max-width: 520px;
  width: 100%;
  text-align: center;
}

#landing .tagline {
  font-size: 1.1rem;
  color: #aaa;
  margin-bottom: 32px;
  line-height: 1.5;
}

#landing .url-form {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

#landing .url-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 8px;
  border: 2px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

#landing .url-form input:focus {
  border-color: #ffcc00;
}

#landing .url-form input::placeholder {
  color: #555;
}

#landing .url-form button {
  padding: 12px 24px;
  border-radius: 8px;
  border: none;
  background: #ffcc00;
  color: #111;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

#landing .url-form button:hover {
  background: #e6b800;
}

#url-error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: -24px;
  margin-bottom: 16px;
  min-height: 1.2em;
}

.how-it-works {
  display: flex;
  gap: 24px;
  text-align: center;
}

.how-it-works .step {
  flex: 1;
}

.how-it-works .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffcc00;
  color: #111;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 8px;
}

.how-it-works .step p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.4;
}

/* Creator state */
#creator {
  display: none;
  width: 100%;
  gap: 20px;
}

#creator.active {
  display: flex;
}

.creator-left {
  flex: 7;
  min-width: 0;
}

.creator-right {
  flex: 3;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.player-wrap {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: 8px;
}

.player-wrap iframe {
  display: block;
  width: 100%;
  border: none;
}

#creator .player-wrap iframe {
  height: calc(70vw * 0.5625);
  max-height: 70vh;
}

#viewer .player-wrap iframe {
  height: calc(90vw * 0.5625);
  max-height: 80vh;
}

.creator-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

#pop-btn {
  padding: 12px 32px;
  border-radius: 50px;
  border: none;
  background: #ffcc00;
  color: #111;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s;
  letter-spacing: 1px;
}

#pop-btn:hover:not(:disabled) {
  transform: scale(1.05);
  background: #e6b800;
}

#pop-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#comment-input-wrap {
  display: none;
}

#comment-input-wrap form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#comment-input-wrap input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 2px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 0.95rem;
  outline: none;
}

#comment-input-wrap input:focus {
  border-color: #ffcc00;
}

#comment-input-wrap button {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  background: #ffcc00;
  color: #111;
  font-weight: 700;
  cursor: pointer;
}

#resume-btn {
  padding: 10px 20px;
  border-radius: 50px;
  border: none;
  background: #4caf50;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

#resume-btn:hover {
  background: #43a047;
}

#comment-timestamp {
  color: #ffcc00;
  font-weight: 600;
  font-size: 0.9rem;
  margin-right: 4px;
}

#comment-list {
  list-style: none;
  flex: 1;
  overflow-y: auto;
  max-height: 300px;
}

#comment-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px;
  border-bottom: 1px solid #222;
  font-size: 0.85rem;
}

#comment-list li:hover {
  background: #1a1a1a;
}

#comment-list .time {
  color: #ffcc00;
  font-weight: 600;
  min-width: 50px;
  font-variant-numeric: tabular-nums;
}

#comment-list .text {
  flex: 1;
}

#comment-list .actions {
  display: flex;
  gap: 8px;
}

#comment-list .actions button {
  background: none;
  border: none;
  color: #666;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 4px;
}

#comment-list .actions button:hover {
  color: #e0e0e0;
  background: #333;
}

.generate-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#generate-btn {
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  background: #4caf50;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

#generate-btn:hover:not(:disabled) {
  background: #43a047;
}

#generate-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#size-indicator {
  font-size: 0.8rem;
  color: #666;
}

#size-indicator.warn { color: #ffcc00; }
#size-indicator.danger { color: #ff6b6b; }

#generated-url {
  display: none;
  width: 100%;
  margin-top: 12px;
}

#generated-url input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 2px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 0.8rem;
  outline: none;
}

#copy-toast {
  display: none;
  color: #4caf50;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Viewer state */
#viewer {
  display: none;
  width: 100%;
  max-width: 1200px;
  text-align: center;
}

#viewer .create-own {
  margin-top: 16px;
  font-size: 0.85rem;
}

#viewer .create-own a {
  color: #ffcc00;
  text-decoration: none;
}

#viewer .create-own a:hover {
  text-decoration: underline;
}

/* Bubble stack */
.bubble-stack {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
  max-height: 90%;
  overflow-y: auto;
  pointer-events: none;
}

.bubble {
  max-width: 260px;
  background: rgba(255, 255, 240, 0.95);
  color: #111;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  pointer-events: auto;
  cursor: pointer;
  transform: scale(0);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
  position: relative;
}

.bubble::after {
  content: '\00d7';
  position: absolute;
  top: 2px;
  right: 8px;
  font-size: 0.75rem;
  color: #999;
  font-weight: 400;
}

.bubble.show {
  transform: scale(1);
  opacity: 1;
}

.bubble.dismiss {
  transform: scale(0.8);
  opacity: 0;
  transition: transform 0.2s ease-in, opacity 0.2s ease-in;
}

/* Error state */
#error-state {
  display: none;
  text-align: center;
  max-width: 400px;
}

#error-state h2 {
  color: #ff6b6b;
  margin-bottom: 12px;
}

#error-state a {
  color: #ffcc00;
  text-decoration: none;
}

/* Draft restore banner */
#draft-banner {
  background: #1a1a1a;
  border: 1px solid #ffcc00;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  text-align: center;
}

#draft-banner p {
  margin-bottom: 10px;
  color: #ccc;
  font-size: 0.9rem;
}

#draft-banner .btn-row {
  display: flex;
  gap: 10px;
  justify-content: center;
}

#draft-banner button {
  padding: 8px 20px;
  border-radius: 6px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.85rem;
}

#draft-banner .resume-btn {
  background: #ffcc00;
  color: #111;
}

#draft-banner .discard-btn {
  background: #333;
  color: #aaa;
}

/* Responsive */
@media (max-width: 900px) {
  #creator {
    flex-direction: column;
  }

  .creator-right {
    min-width: unset;
  }

  #creator .player-wrap iframe {
    height: calc(90vw * 0.5625);
    max-height: 60vh;
  }
}

@media (max-width: 600px) {
  header h1 { font-size: 1.1rem; }

  .how-it-works {
    flex-direction: column;
    gap: 16px;
  }

  #landing .url-form {
    flex-direction: column;
  }

  #pop-btn {
    width: 100%;
  }

  .bubble {
    max-width: 180px;
    font-size: 0.85rem;
    padding: 10px 12px;
  }
}