/* ============================================================
   H/MIX GALLERY — footprints-theater.css
   旅人の足跡 : シアタールーム 漂う演出
   ============================================================ */

/* ── 足跡レイヤー ───────────────────────────────────────── */
.theater-footprints-layer {
  position: absolute;
  inset: 0;
  z-index: 8;               /* scenery(0) < particles(3) < footprints(8) < ui(10) */
  pointer-events: none;
  overflow: hidden;
}

/* ── 各足跡テキスト ─────────────────────────────────────── */
.theater-footprint {
  position: absolute;
  display: inline-flex;
  flex-direction: column;
  gap: 0.35em;
  max-width: 28%;           /* 長文でも画面の28%以内 */
  animation: fp-drift 20s linear forwards;
  /* duration は JS の inline style で上書きされる (el.style.animation) */
}

.theater-footprint__body {
  font-family: var(--font-serif-jp, serif);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: rgba(255, 252, 240, 1);
  text-shadow:
    0 0 22px rgba(0,0,0,1),
    0 0 10px rgba(0,0,0,0.95),
    0 1px 4px rgba(0,0,0,0.85);
  white-space: pre-wrap;
  word-break: break-all;
  animation: fp-body-shimmer var(--fp-shimmer-dur, 4s) ease-in-out infinite;
  animation-delay: var(--fp-shimmer-delay, 0.6s);
}

.theater-footprint__meta {
  font-family: var(--font-display, sans-serif);
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: rgba(209, 184, 122, 1);
  text-shadow:
    0 0 24px rgba(0, 0, 0, 1),
    0 0 12px rgba(0, 0, 0, 1),
    0 0 6px rgba(0, 0, 0, 0.9),
    0 1px 3px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
  border-top: 1px solid rgba(209, 184, 122, 0.35);
  padding-top: 0.4em;
  margin-top: 0.15em;
  pointer-events: auto; /* レイヤーのnoneを上書き */
}

.theater-footprint__track-link {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(209, 184, 122, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s, color 0.2s;
}
.theater-footprint__track-link:hover {
  color: rgba(255, 248, 200, 1);
  text-decoration-color: rgba(255, 248, 200, 0.8);
  text-shadow:
    0 0 24px rgba(0, 0, 0, 1),
    0 0 12px rgba(0, 0, 0, 1),
    0 0 10px rgba(255, 230, 100, 0.6);
}

/* ── 漂うアニメーション ──────────────────────────────────── */
@keyframes fp-drift {
  0%   { opacity: 0;                         transform: translateY(0) translateX(0); }
  12%  { opacity: var(--fp-opacity, 0.45); }
  85%  { opacity: var(--fp-opacity, 0.45); }
  100% { opacity: 0; transform: translateY(var(--fp-dy, -35px)) translateX(var(--fp-dx, 0px)); }
}

/* ── 本文シマー（発光pulse）────────────────────────────── */
@keyframes fp-body-shimmer {
  0%, 100% {
    text-shadow:
      0 0 24px rgba(0,0,0,1),
      0 0 12px rgba(0,0,0,1),
      0 1px 4px rgba(0,0,0,0.9),
      0 0 6px rgba(255,248,200,0.12);
  }
  30% {
    text-shadow:
      0 0 24px rgba(0,0,0,1),
      0 0 12px rgba(0,0,0,1),
      0 1px 4px rgba(0,0,0,0.9),
      0 0 16px rgba(255,248,200,0.75),
      0 0 36px rgba(255,220,120,0.45),
      0 0 60px rgba(255,200,80,0.2);
  }
  65% {
    text-shadow:
      0 0 24px rgba(0,0,0,1),
      0 0 12px rgba(0,0,0,1),
      0 1px 4px rgba(0,0,0,0.9),
      0 0 10px rgba(255,248,200,0.4),
      0 0 22px rgba(255,220,120,0.2);
  }
}

/* ── スパークル粒子 ─────────────────────────────────────── */
.theater-fp-sparkle {
  position: absolute;
  pointer-events: none;
  font-style: normal;
  line-height: 1;
  color: rgba(255, 252, 210, 1);
  text-shadow:
    0 0 8px  rgba(255, 230, 100, 1),
    0 0 18px rgba(255, 210, 60, 0.8),
    0 0 30px rgba(255, 200, 40, 0.5);
  left: var(--sp-x, 50%);
  top:  var(--sp-y, 0%);
  font-size: var(--sp-size, 0.8rem);
  animation: fp-sparkle-fly var(--sp-dur, 2.4s) ease-out forwards;
  animation-delay: var(--sp-delay, 0s);
  opacity: 0;
}

@keyframes fp-sparkle-fly {
  0%   { opacity: 0;   transform: translate(0,0) scale(0.2) rotate(0deg); }
  15%  { opacity: 1;   transform: translate(0,0) scale(1.3) rotate(15deg); }
  45%  { opacity: 1;   transform: translate(var(--sp-tx,0px), var(--sp-ty,-12px)) scale(1) rotate(35deg); }
  100% { opacity: 0;   transform: translate(var(--sp-tx2,3px), var(--sp-ty2,-28px)) scale(0.1) rotate(90deg); }
}

/* ── 足跡を残すボタン（テキスト＋ペンアイコン） ────────── */
/* ── キラキラアニメーション ──────────────────────────────── */
@keyframes fp-btn-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}
@keyframes fp-btn-glow-pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(209,184,122,0.3), 0 0 14px rgba(209,184,122,0.1); }
  50%       { box-shadow: 0 0 12px rgba(209,184,122,0.6), 0 0 28px rgba(209,184,122,0.25), 0 0 2px rgba(255,248,200,0.5) inset; }
}
@keyframes fp-btn-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-2px); }
}

.theater-btn-footprint {
  /* .theater-sub-btn の円形スタイルを上書き */
  position: relative;
  border-radius: 2px !important;
  width: auto !important;
  height: auto !important;
  padding: 0.42rem 1.1rem !important;
  gap: 0.45rem;
  /* 流れるシマーグラデーション */
  background: linear-gradient(
    105deg,
    rgba(209,184,122,0.06) 0%,
    rgba(255,248,200,0.18) 40%,
    rgba(209,184,122,0.06) 60%,
    rgba(255,248,200,0.14) 80%,
    rgba(209,184,122,0.06) 100%
  ) !important;
  background-size: 300% 100% !important;
  animation:
    fp-btn-shimmer 3s linear infinite,
    fp-btn-glow-pulse 2.4s ease-in-out infinite,
    fp-btn-float 3.2s ease-in-out infinite;
  border: 1px solid rgba(209, 184, 122, 0.5) !important;
  color: rgba(255, 240, 180, 0.92) !important;
  font-family: var(--font-serif-jp, serif);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  text-shadow: 0 0 8px rgba(255,220,120,0.6);
  overflow: hidden;
}

/* ボタン内の光の筋（疑似要素） */
.theater-btn-footprint::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,248,200,0.22) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: fp-btn-shimmer 2s linear infinite;
  pointer-events: none;
}

.theater-btn-footprint:hover {
  border-color: rgba(255, 220, 100, 0.85) !important;
  color: rgba(255, 248, 180, 1) !important;
  background: linear-gradient(
    105deg,
    rgba(209,184,122,0.12) 0%,
    rgba(255,248,200,0.28) 40%,
    rgba(209,184,122,0.12) 60%,
    rgba(255,248,200,0.22) 80%,
    rgba(209,184,122,0.12) 100%
  ) !important;
  background-size: 300% 100% !important;
  text-shadow: 0 0 12px rgba(255,220,120,0.9);
}
.theater-btn-footprint.is-open {
  border-color: rgba(255, 220, 100, 0.85) !important;
  color: rgba(255, 248, 180, 1) !important;
  background: rgba(209, 184, 122, 0.15) !important;
  text-shadow: 0 0 10px rgba(255,220,120,0.8);
}

/* ── 足跡投稿フォームオーバーレイ ────────────────────────── */
.theater-fp-form {
  position: absolute;
  inset: 0;
  z-index: 25;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6rem; /* theater-bottom の上に乗せる */
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}
.theater-fp-form[hidden] { display: none; }

.theater-fp-form__inner {
  width: min(460px, 88%);
  background: rgba(8, 8, 6, 0.88);
  border: 1px solid rgba(209, 184, 122, 0.2);
  border-radius: 2px;
  padding: 1.4rem 1.6rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── タブ ───────────────────────────────────────────────── */
.theater-fp-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin: -0.2rem -0.1rem 0.6rem;
}

.theater-fp-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  font-family: var(--font-serif-jp, serif);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  padding: 0.5rem 0.5rem 0.55rem;
  transition: color 0.2s, border-color 0.2s;
  position: relative;
  bottom: -1px;
}
.theater-fp-tab:hover {
  color: rgba(255, 255, 255, 0.7);
}
.theater-fp-tab.is-active {
  color: rgba(209, 184, 122, 0.9);
  border-bottom-color: rgba(209, 184, 122, 0.6);
}

.theater-fp-tab__badge {
  display: inline-block;
  font-family: var(--font-display, sans-serif);
  font-size: 0.62rem;
  letter-spacing: 0;
  color: rgba(209, 184, 122, 0.6);
  margin-left: 0.3em;
}

/* ── 一覧 ───────────────────────────────────────────────── */
.theater-fp-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-right: 0.2rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(209, 184, 122, 0.2) transparent;
}
.theater-fp-list::-webkit-scrollbar { width: 3px; }
.theater-fp-list::-webkit-scrollbar-thumb { background: rgba(209, 184, 122, 0.2); border-radius: 2px; }

.theater-fp-list__empty {
  font-family: var(--font-serif-jp, serif);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
  padding: 1.2rem 0;
  letter-spacing: 0.1em;
}

.theater-fp-list__item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.5rem;
}

.theater-fp-list__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.theater-fp-list__name {
  font-family: var(--font-display, sans-serif);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: rgba(209, 184, 122, 0.7);
}

.theater-fp-list__date {
  font-family: var(--font-display, sans-serif);
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.05em;
  margin-left: auto;
}

.theater-fp-list__delete {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.theater-fp-list__delete:hover {
  color: rgba(220, 80, 60, 0.9);
  background: rgba(220, 80, 60, 0.1);
}

.theater-fp-list__body {
  font-family: var(--font-serif-jp, serif);
  font-size: 0.82rem;
  color: rgba(255, 250, 240, 0.8);
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin: 0;
}

.theater-fp-form__title {
  font-family: var(--font-serif-jp, serif);
  font-size: 0.88rem;
  letter-spacing: 0.3em;
  color: rgba(209, 184, 122, 0.75);
  margin: 0;
  text-align: center;
}

.theater-fp-form__nickname {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1px;
  color: rgba(255, 250, 240, 0.8);
  font-family: var(--font-display, sans-serif);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 0.45rem 0.75rem;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.3s;
}
.theater-fp-form__nickname::placeholder { color: rgba(255,255,255,0.2); }
.theater-fp-form__nickname:focus { border-color: rgba(209, 184, 122, 0.4); }

.theater-fp-form__textarea-wrap {
  position: relative;
}

.theater-fp-form__body {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1px;
  color: rgba(255, 250, 240, 0.9);
  font-family: var(--font-serif-jp, serif);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
  padding: 0.6rem 0.75rem 1.6rem;
  resize: none;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.3s;
}
.theater-fp-form__body::placeholder { color: rgba(255,255,255,0.2); font-style: italic; }
.theater-fp-form__body:focus { border-color: rgba(209, 184, 122, 0.4); }

.theater-fp-form__count {
  position: absolute;
  bottom: 0.4rem;
  right: 0.6rem;
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  pointer-events: none;
}

.theater-fp-form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.theater-fp-form__note {
  font-size: 0.75rem;
  margin: 0;
  min-height: 1em;
  color: rgba(255,255,255,0.4);
}
.theater-fp-form__note--error   { color: rgba(220, 100, 80, 0.9); }
.theater-fp-form__note--success { color: rgba(140, 210, 160, 0.9); }

.theater-fp-form__btns {
  display: flex;
  gap: 0.6rem;
  margin-left: auto;
}

.theater-fp-form__cancel {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 1px;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  font-family: var(--font-display, sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  padding: 0.4rem 1rem;
  transition: all 0.3s;
}
.theater-fp-form__cancel:hover {
  border-color: rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.7);
}

.theater-fp-list__clear-btn {
  color: rgba(220, 80, 60, 0.5);
  border-color: rgba(220, 80, 60, 0.2);
}
.theater-fp-list__clear-btn:hover {
  color: rgba(220, 80, 60, 0.9);
  border-color: rgba(220, 80, 60, 0.5);
  background: rgba(220, 80, 60, 0.08);
}

.theater-fp-form__submit {
  background: rgba(209, 184, 122, 0.1);
  border: 1px solid rgba(209, 184, 122, 0.4);
  border-radius: 1px;
  color: rgba(209, 184, 122, 0.85);
  cursor: pointer;
  font-family: var(--font-serif-jp, serif);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  padding: 0.4rem 1.2rem;
  transition: all 0.3s;
}
.theater-fp-form__submit:hover {
  background: rgba(209, 184, 122, 0.18);
  border-color: rgba(209, 184, 122, 0.7);
  color: rgba(209, 184, 122, 1);
}

@media (max-width: 768px) {
  .theater-fp-form {
    padding-bottom: 9rem; /* モバイルでは theater-bottom が縦積みで高い */
    align-items: flex-end;
  }
  .theater-fp-form__inner {
    padding: 1.1rem 1.2rem 1rem;
    width: min(420px, 94%);
  }
}

/* ── 足跡トグルボタン（.theater-scene-btn と同スタイル） ─── */
.theater-footprints-btn {
  /* theater.css の .theater-scene-btn を継承 */
}

.theater-footprints-btn.is-active {
  border-color: rgba(209, 184, 122, 0.45);
  color: rgba(209, 184, 122, 0.85);
  background: rgba(209, 184, 122, 0.06);
}

/* ── モバイル：足跡を小さく・少なく ────────────────────── */
@media (max-width: 768px) {
  .theater-footprint {
    max-width: 55%;
  }
  .theater-footprint__body {
    font-size: clamp(1rem, 3.5vw, 1.3rem);
    letter-spacing: 0.05em;
  }
  .theater-footprint__meta {
    font-size: clamp(0.78rem, 2.8vw, 0.95rem);
  }
}