/*
 * Component: Comments Drawer
 * Depends on: tokens.css
 */

.cmt-drawer {
  position: fixed; inset: 0;
  z-index: var(--z-modal);
  pointer-events: none; opacity: 0;
  transition: opacity var(--transition-base);
}

.cmt-drawer.cmt-open { pointer-events: auto; opacity: 1; }

.cmt-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.48);
  cursor: pointer;
}

.cmt-sheet {
  position: absolute; bottom: 0; left: 0; right: 0;
  max-width: 640px; margin: 0 auto;
  background: var(--color-bg);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  display: flex; flex-direction: column;
  max-height: 85vh;
  transform: translateY(100%);
  transition: transform var(--transition-spring);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.2);
  overflow: hidden;
}

.cmt-drawer.cmt-open .cmt-sheet { transform: translateY(0); }

.cmt-handle {
  width: 40px; height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin: 10px auto 0; flex-shrink: 0;
}

.cmt-head {
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-3) var(--space-4) var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0; position: relative;
}

.cmt-head-title { font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); color: var(--color-dark); }

.cmt-close-btn {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: var(--color-bg-soft); border: none;
  width: 32px; height: 32px; border-radius: var(--radius-full);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary);
  transition: background var(--transition-fast);
}

.cmt-close-btn:hover { background: var(--color-border); }

.cmt-body { flex: 1; overflow-y: auto; padding: var(--space-2) var(--space-4); -webkit-overflow-scrolling: touch; }

.cmt-loading { display: flex; justify-content: center; padding: var(--space-8) 0; }
.cmt-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: cmtSpin 0.7s linear infinite;
}
@keyframes cmtSpin { to { transform: rotate(360deg); } }

.cmt-empty { text-align: center; padding: var(--space-8) var(--space-4); color: var(--color-text-muted); font-size: var(--font-size-sm); }
.cmt-empty p { margin: var(--space-2) 0 0; }

.cmt-item { display: flex; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-bg-soft); }
.cmt-item:last-child { border-bottom: none; }

.cmt-avatar {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); color: #fff; overflow: hidden;
}

.cmt-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-full); }

.cmt-meta { flex: 1; min-width: 0; }
.cmt-author-row { display: flex; align-items: center; gap: var(--space-2); margin-bottom: 3px; }
.cmt-author-name { font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); color: var(--color-dark); }
.cmt-time { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.cmt-text { font-size: 13.5px; color: var(--color-text); line-height: var(--line-height-snug); margin: 0; word-break: break-word; }

.cmt-form {
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-2) var(--space-3) var(--space-2);
  flex-shrink: 0; background: var(--color-bg);
}

.cmt-form-row { display: flex; gap: var(--space-2); margin-bottom: var(--space-2); }

.cmt-field {
  flex: 1; border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm); outline: none;
  background: var(--color-bg-alt); color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.cmt-field:focus { border-color: var(--color-primary); background: var(--color-bg); }

.cmt-form-send { display: flex; gap: var(--space-2); align-items: center; }
.cmt-field-msg { flex: 1; margin-bottom: 0; }

.cmt-send-btn {
  width: 38px; height: 38px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border: none; color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cmt-send-btn:hover { transform: scale(1.08); box-shadow: var(--shadow-primary); }

.cmt-notice { font-size: var(--font-size-xs); padding: var(--space-1) var(--space-3); border-radius: var(--radius-md); margin: var(--space-1) 0 0; text-align: center; }
.cmt-notice-ok  { background: #f0fdf4; color: #166534; }
.cmt-notice-err { background: #fef2f2; color: #991b1b; }