/* ========== Glass Card ========== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: transform 0.5s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
}

/* ========== Button ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  letter-spacing: 2px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--accent-red);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent-red);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out-expo);
  white-space: nowrap;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-red);
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
  z-index: -1;
}

.btn:hover {
  color: #fff;
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--text-ghost);
}

.btn:disabled::before {
  display: none;
}

/* ========== Tag ========== */
.tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 4px;
  padding: 6px 18px;
  border: 1px solid var(--text-ghost);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ========== BGM Toggle Button ========== */
.bgm-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-ui);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}

.bgm-toggle.show {
  opacity: 1;
  pointer-events: auto;
}

.bgm-toggle svg {
  width: 22px;
  height: 22px;
  fill: var(--accent-red);
  transition: fill 0.3s ease;
}

.bgm-toggle:hover svg {
  fill: #fff;
}

.bgm-toggle:hover svg .slash {
  stroke: #fff;
}

/* 播放中：显示声波，隐藏斜线 */
.bgm-toggle:not(.muted) svg .sound-waves {
  display: block;
}

.bgm-toggle:not(.muted) svg .slash {
  display: none;
}

/* 静音状态：隐藏声波，显示斜线 */
.bgm-toggle.muted svg .sound-waves {
  display: none;
}

.bgm-toggle.muted svg .slash {
  display: block;
  stroke: var(--accent-red);
}

/* ========== Avatar Frame (Item 6) ========== */
.avatar-frame {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid #fff;
  overflow: hidden;
  flex-shrink: 0;
}

/* Inner frame — theme red border */
.avatar-frame::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1.5px solid var(--accent-red);
  border-radius: 10px;
  pointer-events: none;
  z-index: 2;
}

/* Avatar image clipped within inner frame */
.avatar-frame .avatar-clip {
  position: absolute;
  inset: 5px;
  border-radius: 9px;
  overflow: hidden;
  z-index: 1;
}

.avatar-frame .avatar-clip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Dialogue Box (Item 5) — Fixed Size ========== */
.dialogue-box {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 18px 26px;
  position: relative;
  /* Fixed dimensions — no growing with text */
  width: calc(75dvw - 90px);
  min-height: 64px;
  max-height: 120px;
  display: flex;
  align-items: center;
}

.dialogue-text {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 1px;
  line-height: 1.8;
  color: var(--text-main);
  font-weight: 600;
  /* Text wraps within fixed box */
  word-break: break-word;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.dialogue-text .cursor {
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--accent-red);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: cursorBlink 0.8s ease-in-out infinite;
}

.dialogue-triangle {
  display: none;
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--accent-green);
  animation: triangleBounce 1.2s ease-in-out infinite;
}

/* Click hint overlay when dialogue is done */
.dialogue-box.done {
  cursor: pointer;
}

.dialogue-box.done .dialogue-triangle {
  display: block;
}

/* NPC dialogue (top center) */
.npc-dialogue {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-dialogue);
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Player dialogue (bottom center) */
.player-dialogue {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-dialogue);
}

.player-dialogue .dialogue-box {
  border-color: rgba(217, 74, 56, 0.2);
}

/* ========== Explosion Dialogue ========== */
.explosion-dialogue {
  position: absolute;
  z-index: var(--z-dialogue);
  background: var(--accent-red);
  color: #fff;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 20px 40px;
  border-radius: 40px;
  white-space: nowrap;
  animation: explosionIn 0.4s var(--ease-out-expo) forwards;
  box-shadow: 0 4px 16px rgba(217, 74, 56, 0.3);
}

.explosion-dialogue.hide {
  animation: explosionOut 0.4s var(--ease-out-expo) forwards;
}

.explosion-dialogue::before {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 40px;
  width: 24px;
  height: 24px;
  background: var(--accent-red);
  transform: rotate(45deg);
}

/* ========== Form (Item 7) — Bottom 75% width, two rows ========== */
.form-container {
  position: absolute;
  bottom: 6%;
  left: 12.5%;
  z-index: var(--z-ui);
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 75dvw;
  animation: slideUp 0.6s var(--ease-out) forwards;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-field.flex-1 {
  flex: 1;
}

.form-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-red);
  text-transform: uppercase;
}

.form-input {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border: 1px solid var(--text-ghost);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.4);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.3s ease;
}

.form-input:focus {
  border-color: var(--accent-red);
}

/* Name input — short, 6 chars */
.form-input-short {
  width: 120px;
}

/* Event input — near full width, 2 rows */
.form-input-long {
  flex: 1;
  min-height: 48px;
  resize: none;
  line-height: 1.6;
}

/* Gender radio buttons */
.gender-radio {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 34px;
}

.gender-radio label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
}

.gender-radio input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--text-ghost);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transition: border-color 0.3s ease;
}

.gender-radio input[type="radio"]:checked {
  border-color: var(--accent-red);
}

.gender-radio input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-red);
}

/* Submit button — outside form, top-left */
.form-submit-external {
  position: absolute;
  bottom: calc(6% + 225px);
  left: 12.5%;
  z-index: var(--z-ui);
}

/* ========== Mode Buttons — Above dialogue, left-aligned ========== */
.mode-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: absolute;
  bottom: calc(100% + 16px);
  left: 0;
}

.mode-btn {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--accent-red);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent-red);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out-expo);
  white-space: nowrap;
}

.mode-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-red);
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
  z-index: -1;
}

.mode-btn:hover {
  color: #fff;
}

.mode-btn:hover::before {
  transform: scaleX(1);
}

.mode-btn:active {
  transform: scale(0.97);
}

/* ========== Restart Icon ========== */
.restart-icon {
  position: absolute;
  top: 20px;
  right: 72px;
  z-index: var(--z-ui);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.restart-icon.show {
  opacity: 1;
}

.restart-icon.blinking {
  animation: blink 1s ease-in-out infinite;
}

.restart-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--accent-red);
  stroke-width: 2;
}

.restart-icon:hover svg {
  stroke: #fff;
}

/* ========== Global Hint Text & Arrows (Item 10) ========== */
.jiao-instruction,
.interpret-hint {
  font-family: var(--sans);
  font-size: 24px;
  letter-spacing: 3px;
  color: #fff;
  font-weight: 800;
}

/* step4 提示语下移 40px —— 用 transform 不影响 flex 布局中杯筊的位置 */
.jiao-instruction {
  transform: translateY(40px);
}

.jiao-arrow {
  font-size: 28px;
  color: #fff;
  animation: triangleBounce 1.2s ease-in-out infinite;
}

/* ========== End Overlay — 黑色遮罩 + 重新开始按钮 ========== */
.end-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  animation: fadeIn 0.6s ease forwards;
}

.end-restart-btn {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 3px solid var(--accent-red);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out-expo);
  box-shadow: 0 0 40px rgba(217, 74, 56, 0.4);
}

.end-restart-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-red);
  border-radius: inherit;
  transform: scale(0);
  transition: transform 0.4s var(--ease-out-expo);
}

.end-restart-btn:hover::before {
  transform: scale(1);
}

.end-restart-btn svg {
  width: 52px;
  height: 52px;
  fill: none;
  stroke: var(--accent-red);
  stroke-width: 2;
  z-index: 1;
  transition: stroke 0.4s ease;
}

.end-restart-btn:hover svg {
  stroke: #fff;
}

.end-restart-btn:active {
  transform: scale(0.95);
}

.end-restart-text {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 6px;
  color: #fff;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.6), 0 0 24px rgba(217, 74, 56, 0.4);
}