/* ============================================================
   AUTH — Header-Button, Modal, User-Menü
   ============================================================ */
.btn-auth {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; white-space: nowrap;
}
.auth-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; flex-shrink: 0;
}

/* Auth Modal */
.auth-modal { width: 360px; }
.auth-tabs {
  display: flex; gap: 4px; background: var(--bg-elevated);
  border-radius: var(--r-md); padding: 3px; margin-bottom: 16px;
}
.auth-tab {
  flex: 1; padding: 6px 10px; border-radius: calc(var(--r-md) - 2px);
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  border: none; background: none; cursor: pointer; transition: background .12s, color .12s;
}
.auth-tab.active { background: var(--bg-hover); color: var(--text-primary); }
.auth-tab-panel { display: flex; flex-direction: column; gap: 12px; }
.auth-tab-panel.hidden { display: none; }
.auth-field { display: flex; flex-direction: column; gap: 5px; }
.auth-field label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.auth-hint { font-size: 11px; font-weight: 400; color: var(--text-muted); }
.auth-submit { width: 100%; justify-content: center; margin-top: 4px; }
.auth-close { width: 100%; justify-content: center; margin-top: 8px; }
.auth-error {
  font-size: 12px; color: var(--danger);
  background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.25);
  border-radius: var(--r-sm); padding: 7px 10px;
}
.auth-success {
  font-size: 12px; color: var(--success);
  background: rgba(74,222,128,.1); border: 1px solid rgba(74,222,128,.25);
  border-radius: var(--r-sm); padding: 7px 10px;
}
.auth-error.hidden, .auth-success.hidden { display: none; }

/* User-Menü Popup */
.user-menu-popup {
  position: fixed; z-index: 300;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-xl);
  padding: 6px; min-width: 220px;
}
.user-menu-email {
  font-size: 12px; color: var(--text-muted);
  padding: 5px 10px 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.user-menu-sep { border-top: 1px solid var(--border-muted); margin: 4px 0; }
.user-menu-item {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 7px 10px; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 500; color: var(--text-primary);
  border: none; background: none; cursor: pointer; transition: background .12s;
}
.user-menu-item:hover { background: var(--bg-hover); }
.user-menu-item.danger { color: var(--danger); }
.user-menu-item.danger:hover { background: rgba(248,113,113,.1); }

/* Konto-Einstellungen & Konto löschen */
.accsett-row {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 0; border-bottom: 1px solid var(--border-muted);
}
.accsett-label {
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  width: 130px; flex-shrink: 0;
}
.accsett-value { font-size: 13px; color: var(--text-primary); }
.accsett-field {
  margin-top: 14px; display: flex; flex-direction: column; gap: 5px;
}
.accsett-field .accsett-label { width: auto; }
.accsett-field .input-text { width: 100%; }

.delete-account-warn {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(239,68,68,.08); border: 1px solid rgba(239,68,68,.25);
  border-radius: var(--r-md); padding: 12px 14px;
  font-size: 13px; line-height: 1.5; color: var(--text-primary);
  margin-bottom: 16px;
}

/* Sharing Modal */
.share-public-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border-muted); margin-bottom: 4px;
}
.share-link-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 6px 10px;
}
.share-link-text {
  flex: 1; font-size: 11px; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}
.share-invite-row { display: flex; gap: 6px; align-items: center; }
.share-member-row {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0; border-bottom: 1px solid var(--border-muted);
}
.share-member-row:last-child { border-bottom: none; }
.share-member-name { flex: 1; font-size: 13px; color: var(--text-primary); }
.share-member-role {
  font-size: 11px; font-weight: 600; padding: 2px 7px;
  border-radius: var(--r-full);
}
.share-member-role.editor  { background: var(--brand-subtle); color: var(--brand); }
.share-member-role.viewer  { background: var(--bg-elevated); color: var(--text-muted); }

/* Toggle Switch */
.toggle-switch { position: relative; display: inline-block; width: 42px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--r-full); cursor: pointer; transition: background .2s;
}
.toggle-track::before {
  content: ''; position: absolute;
  left: 3px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--text-muted); transition: transform .2s, background .2s;
}
.toggle-switch input:checked + .toggle-track { background: var(--brand); border-color: var(--brand); }
.toggle-switch input:checked + .toggle-track::before {
  transform: translate(18px, -50%); background: #fff;
}

/* Play-Card Sharing Badges */
.play-card-shared-badge {
  display: inline-block; font-size: 10px; font-weight: 600;
  padding: 1px 6px; border-radius: var(--r-full);
  background: var(--brand-subtle); color: var(--brand);
  vertical-align: middle;
}
.play-card-readonly { opacity: .85; }
.play-card-readonly .play-card-thumb { filter: saturate(.7); }

/* Share badge in playbook list */
.share-badge {
  display: inline-block; font-size: 10px; font-weight: 600;
  padding: 1px 6px; border-radius: var(--r-full);
  background: rgba(74,222,128,.15); color: var(--success);
  vertical-align: middle; margin-left: 4px;
}

/* Lib section title */
.lib-section-title {
  font-family: var(--font-display);
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted);
  padding: 6px 12px 4px;
}
.lib-pb-shared .lib-pb-name { color: var(--text-secondary); }


/* ============================================================
   AUTH GATE (Landing Page)
   ============================================================ */
#auth-gate {
  position: fixed; inset: 0; z-index: 500;
  background: #0d1117;
  display: flex; align-items: stretch;
  overflow-y: auto;
}
#auth-gate.hidden { display: none; }

#tsparticles-bg {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none;
}

.gate-layout {
  display: flex; width: 100%; min-height: 100vh;
  position: relative; z-index: 1;
}
.gate-left {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 60px 64px;
  background: transparent;
  position: relative; overflow-y: auto;
}
.gate-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  width: 100%; max-width: 660px;
}
.gate-right {
  width: 420px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 48px;
  background: rgba(10,14,20,0.82);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-left: 1px solid rgba(255,255,255,0.07);
  position: relative; z-index: 1;
}
.gate-brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 40px;
}
.gate-headline {
  font-family: var(--font-display);
  font-size: 68px; font-weight: 900; line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.gate-headline span {
  background: linear-gradient(135deg, #F97316, #fb923c);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gate-sub {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 32px;
}
.gate-features {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 40px;
}
.gate-feature {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; color: var(--text-secondary);
}

/* App preview mockup */
.gate-preview {
  border-radius: 10px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03);
  margin-bottom: 32px;
}
.gate-preview-bar {
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 8px 12px;
  display: flex; align-items: center; gap: 5px;
}
.gate-preview-dot { width: 9px; height: 9px; border-radius: 50%; }

/* Stats row */
.gate-stats {
  display: flex; gap: 32px; margin-bottom: 32px;
}
.gate-stat-item {
  display: flex; flex-direction: column; gap: 2px;
}
.gate-stat-num {
  font-size: 28px; font-weight: 800; color: var(--text-primary);
  font-family: var(--font-display); letter-spacing: -.02em;
}
.gate-stat-label { font-size: 12px; color: var(--text-muted); }

/* Footer note */
.gate-footer-note {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-muted);
}
.gate-footer-sep { opacity: 0.35; }

.gate-auth-box {
  width: 100%; max-width: 340px;
}

/* OAuth Buttons */
.btn-oauth {
  display: flex; align-items: center; justify-content: center; gap: 11px;
  width: 100%; padding: 14px 20px;
  border-radius: var(--r-md); border: none; cursor: pointer;
  font-size: 15px; font-weight: 600; font-family: var(--font-ui);
  transition: opacity .15s, transform .12s, box-shadow .15s;
}
.btn-oauth:hover { opacity: 0.84; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.35); }
.btn-oauth:active { transform: translateY(0); opacity: 1; }
.btn-oauth:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-oauth-google { background: #fff; color: #1f1f1f; border: 1px solid rgba(0,0,0,0.15); }
.btn-oauth-google:hover { background: #f8f8f8; opacity: 1; }
.btn-oauth-github { background: #24292e; color: #fff; }
.btn-oauth-apple  { background: #111; color: #fff; border: 1px solid rgba(255,255,255,0.12); }

/* Export Scope Radio */
.export-scope-row {
  display: flex; gap: 16px; padding: 6px 0;
}
.export-scope-opt {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--text-secondary); cursor: pointer;
}
.export-scope-opt input[type="radio"] { accent-color: var(--brand); }
.export-scope-opt:has(input:checked) { color: var(--text-primary); }

@media (max-width: 860px) {
  .gate-layout { flex-direction: column; }
  .gate-left { padding: 40px 24px; justify-content: flex-start; align-items: flex-start; }
  .gate-inner { max-width: 100%; }
  .gate-right { width: 100%; border-left: none; border-top: 1px solid rgba(255,255,255,0.07); padding: 32px 24px; backdrop-filter: none; background: rgba(10,14,20,0.92); }
  .gate-headline { font-size: 42px; }
  .gate-stats { gap: 20px; }
  .gate-stat-num { font-size: 22px; }
}