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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0A0A0A;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

/* Allow text selection in feedback textarea */
textarea {
  -webkit-user-select: text;
  user-select: text;
}

/* ── Update Banner ─────────────────────────────────────────────────────── */

#update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 7px 16px;
  background: rgba(11, 10, 15, 0.97);
  border-bottom: 1px solid #e63946;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #94a3b8;
}

#update-reload-btn {
  background: rgba(230, 57, 70, 0.12);
  border: 1px solid #e63946;
  color: #e63946;
  padding: 3px 12px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  border-radius: 4px;
}

#update-reload-btn:hover {
  background: rgba(230, 57, 70, 0.25);
}

/* ── Pause Button ──────────────────────────────────────────────────────── */

#pause-btn {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 2000;
  background: rgba(10, 14, 26, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.6);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

#pause-btn:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: rgba(255, 255, 255, 0.9);
}

/* ── Feedback FAB ──────────────────────────────────────────────────────── */

.epoch-fab {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  z-index: 3000;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  border: 1px solid #2a2535;
  background: rgba(10, 14, 26, 0.90);
  color: #94a3b8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.epoch-fab:hover {
  border-color: #e63946;
  color: #e63946;
  box-shadow: 0 0 10px rgba(230, 57, 70, 0.2);
}

.epoch-fab.open {
  border-color: #475569;
  color: #64748b;
}

.epoch-fab-icon {
  width: 18px;
  height: 18px;
  position: absolute;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.epoch-fab-icon--default {
  opacity: 1;
  transform: scale(1);
}

.epoch-fab-icon--close {
  opacity: 0;
  transform: scale(0.5) rotate(-45deg);
}

.epoch-fab.open .epoch-fab-icon--default {
  opacity: 0;
  transform: scale(0.5) rotate(45deg);
}

.epoch-fab.open .epoch-fab-icon--close {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* ── FAB Menu ──────────────────────────────────────────────────────────── */

.epoch-fab-menu {
  position: fixed;
  bottom: 4.25rem;
  left: 1.25rem;
  z-index: 2999;
  display: flex;
  flex-direction: column;
  background: #0d0c14;
  border: 1px solid #2a2535;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  opacity: 0;
  transform: translateY(6px) scale(0.95);
  transform-origin: bottom left;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.epoch-fab-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.epoch-fab-menu-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.1rem;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.epoch-fab-menu-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.epoch-fab-menu-item:hover {
  background: rgba(230, 57, 70, 0.06);
  color: #e63946;
}

/* ── Feedback Panel ────────────────────────────────────────────────────── */

.epoch-feedback-panel {
  position: fixed;
  bottom: 4.25rem;
  left: 1.25rem;
  z-index: 2999;
  width: 340px;
  background: #0d0c14;
  border: 1px solid #2a2535;
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7), 0 0 30px rgba(230, 57, 70, 0.06);
  opacity: 0;
  transform: translateY(6px) scale(0.96);
  transform-origin: bottom left;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.epoch-feedback-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.epoch-feedback-header {
  padding: 0.85rem 1rem 0.6rem;
  font-family: ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: #e63946;
  border-bottom: 1px solid #1e1a28;
}

.epoch-feedback-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem 1rem 1rem;
}

.epoch-feedback-textarea {
  width: 100%;
  background: #08070c;
  border: 1px solid #1e1a28;
  border-radius: 4px;
  padding: 0.65rem 0.75rem;
  color: #ffe0e0;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 90px;
  max-height: 200px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  box-sizing: border-box;
}

.epoch-feedback-textarea::placeholder {
  color: #2a2535;
}

.epoch-feedback-textarea:focus {
  border-color: #2a2535;
  box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.12);
}

.epoch-feedback-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  background: #e63946;
  color: #0b0a0f;
  border: none;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity 0.15s ease, box-shadow 0.15s ease;
  align-self: flex-start;
}

.epoch-feedback-submit:hover:not(:disabled) {
  box-shadow: 0 0 12px rgba(230, 57, 70, 0.4);
}

.epoch-feedback-submit:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.epoch-feedback-submit .sending,
.epoch-feedback-submit.sending .label,
.epoch-feedback-submit.sending .arrow {
  display: none;
}

.epoch-feedback-submit.sending .sending {
  display: inline;
}

.epoch-feedback-submit.error {
  background: #ff6b6b;
  color: #fff;
}

.epoch-feedback-hint {
  font-family: ui-monospace, monospace;
  font-size: 0.68rem;
  color: #2a2535;
  letter-spacing: 0.02em;
}

/* ── Feedback Success ──────────────────────────────────────────────────── */

.epoch-feedback-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem 2.25rem;
  text-align: center;
  gap: 0.5rem;
}

.epoch-feedback-success-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #e63946;
  color: #e63946;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.epoch-feedback-success p {
  margin: 0;
  font-size: 0.85rem;
  color: #ffe0e0;
  font-family: ui-monospace, monospace;
}

.epoch-feedback-success p.sub {
  font-size: 0.75rem;
  color: #475569;
}

/* ── Mobile ────────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .epoch-feedback-panel {
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    bottom: 4rem;
  }

  .epoch-fab-menu {
    left: 0.75rem;
    bottom: 4rem;
  }

  .epoch-fab {
    left: 0.75rem;
    bottom: 0.75rem;
  }
}