/* ========================================================
   INPUT OVERLAY — Stylus-friendly text input panel
   ======================================================== */

/* ---- Backdrop ---- */
.overlay-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.3);
  z-index: 500;
  opacity: 0;
  transition: opacity var(--transition-normal);
  -webkit-tap-highlight-color: transparent;
}

.overlay-backdrop.visible {
  opacity: 1;
}

.overlay-backdrop.hidden {
  display: none;
}

/* ---- Overlay Panel ---- */
.input-overlay {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 510;
  background: var(--bg-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-overlay);
  transform: translateY(100%);
  transition: transform var(--transition-spring);
  display: flex;
  flex-direction: column;
  max-height: 55vh;
}

.input-overlay.visible {
  transform: translateY(0);
}

.input-overlay.hidden {
  transform: translateY(100%);
  pointer-events: none;
}

/* ---- Overlay Header ---- */
.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
  /* Subtle frosted glass effect */
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.overlay-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 var(--space-sm);
}

.overlay-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.overlay-btn-cancel {
  background: var(--danger-bg);
  color: var(--danger);
}

.overlay-btn-cancel:hover {
  background: rgba(192, 57, 43, 0.15);
}

.overlay-btn-save {
  background: var(--success-bg);
  color: var(--success);
}

.overlay-btn-save:hover {
  background: rgba(45, 138, 78, 0.18);
}

/* ---- Overlay Body ---- */
.overlay-body {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  overflow: auto;
}

.overlay-textarea {
  width: 100%;
  min-height: 100px;
  max-height: 200px;
  padding: var(--space-md);
  border: 2px solid var(--border-grid);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-xl);
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  resize: none;
  transition: border-color var(--transition-fast);
  /* Stylus-friendly: large text, good line height */
}

.overlay-textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px var(--accent-gold-light);
}

.overlay-textarea::placeholder {
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
  font-weight: 400;
}

/* ---- Overlay Footer ---- */
.overlay-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}

.overlay-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-xs) var(--space-md);
  background: transparent;
  border: 1px solid var(--border-grid);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.overlay-action-btn:hover {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.overlay-hint {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-style: italic;
}

/* ---- Responsive ---- */
@media (orientation: landscape) {
  .input-overlay {
    max-height: 50vh;
  }

  .overlay-textarea {
    min-height: 80px;
  }
}

@media (min-width: 1024px) {
  .input-overlay {
    max-height: 40vh;
    max-width: 700px;
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .input-overlay.visible {
    transform: translateX(-50%) translateY(0);
  }

  .input-overlay.hidden {
    transform: translateX(-50%) translateY(100%);
  }
}