/* ==========================================================================
   Plans tab, plan banners and upgrade prompts
   ========================================================================== */
.pl-page {
  --pl-ok: #15803d;
  --pl-bad: #b91c1c;
  --pl-soft: color-mix(in srgb, var(--text-primary) 4%, var(--bg-surface));
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 3rem;
  flex-direction: column;
  gap: 1rem;
}

.tab-view.pl-page.active { display: flex; }
.theme-dark .pl-page { --pl-ok: #4ade80; --pl-bad: #f87171; }
.pl-page [hidden] { display: none !important; }

.pl-head h2 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; color: var(--text-primary); }
.pl-head p { color: var(--text-secondary); margin-top: 0.3rem; font-size: 0.92rem; }

.pl-notice {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1rem; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-surface); font-size: 0.88rem; color: var(--text-primary);
}

.pl-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.85rem; }

.pl-plan {
  background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: 0.85rem;
}

.pl-plan.is-current { border-color: var(--text-primary); box-shadow: 0 0 0 1px var(--text-primary) inset; }
.pl-plan.is-top { background: color-mix(in srgb, var(--text-primary) 3%, var(--bg-surface)); }
.pl-plan header { display: flex; align-items: center; justify-content: space-between; }
.pl-plan h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.pl-badge { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--text-primary); color: var(--bg-surface); }
.pl-price-row { display: flex; align-items: baseline; gap: 0.35rem; flex-wrap: wrap; min-height: 2.2rem; }
.pl-price { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.pl-price s { font-size: 1rem; color: var(--text-muted); font-weight: 500; margin-right: 0.25rem; }
.pl-price.is-soon { font-size: 0.95rem; font-weight: 600; color: var(--text-secondary); }
.pl-per { font-size: 0.8rem; color: var(--text-secondary); }

.pl-features { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.45rem; font-size: 0.85rem; color: var(--text-primary); flex: 1; }
.pl-features li { display: flex; gap: 0.5rem; align-items: baseline; }
.pl-features i { color: var(--pl-ok); width: 1rem; flex-shrink: 0; }
.pl-features li.is-off { color: var(--text-muted); }
.pl-features li.is-off i { color: var(--text-muted); }

.pl-action { display: flex; flex-direction: column; gap: 0.35rem; }
.pl-action .btn { justify-content: center; width: 100%; }
.pl-muted { font-size: 0.78rem; color: var(--text-secondary); }

.pl-card { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.1rem 1.25rem; }
.pl-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.pl-code-row { display: flex; gap: 0.5rem; margin-top: 0.75rem; max-width: 460px; }
.pl-code-row .form-control { text-transform: uppercase; letter-spacing: 0.04em; }
.pl-code-result { margin-top: 0.6rem; font-size: 0.86rem; color: var(--text-secondary); }
.pl-code-result.is-ok { color: var(--pl-ok); font-weight: 600; }
.pl-code-result.is-bad { color: var(--pl-bad); }
.pl-support { font-size: 0.86rem; color: var(--text-secondary); text-align: center; }
.pl-support a { color: var(--text-primary); font-weight: 600; }

/* Plan limit banners shown on other tabs */
.plan-banner {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  padding: 0.65rem 0.9rem; margin-bottom: 1rem;
  border: 1px dashed var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-surface); font-size: 0.86rem; color: var(--text-primary);
}
.plan-banner i { color: var(--text-secondary); }
.plan-banner .btn { margin-left: auto; }
.plan-banner[hidden] { display: none !important; }
.plan-tag { font-size: 0.68rem; font-weight: 700; padding: 0.05rem 0.4rem; border-radius: 999px; border: 1px solid currentColor; margin-left: 0.35rem; vertical-align: middle; }

@media (max-width: 960px) { .pl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .pl-grid { grid-template-columns: 1fr; } .pl-code-row { flex-direction: column; } }

/* AI-only actions are hidden on plans without AI (the server refuses them anyway) */
[data-plan-ai="0"] [data-ae="write-all-ai"],
[data-plan-ai="0"] [data-panel-action="rewrite"],
[data-plan-ai="0"] [data-doc-action="ai"] { display: none !important; }

/* Upgrade prompt */
.upgrade-prompt { position: fixed; inset: 0; z-index: 2000; background: rgba(0, 0, 0, 0.45); display: grid; place-items: center; padding: 16px; }
.upgrade-prompt[hidden] { display: none; }
.upgrade-prompt-card {
  width: min(420px, 100%); background: var(--bg-surface); color: var(--text-primary);
  border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 1.4rem 1.4rem 1.2rem; text-align: center;
}
.upgrade-prompt-icon { width: 48px; height: 48px; margin: 0 auto 0.7rem; border-radius: 50%; display: grid; place-items: center; background: var(--text-primary); color: var(--bg-surface); font-size: 1.2rem; }
.upgrade-prompt-card h3 { font-size: 1.15rem; font-weight: 700; }
.upgrade-prompt-card p { font-size: 0.9rem; color: var(--text-secondary); margin: 0.45rem 0 1.1rem; }
.upgrade-prompt-actions { display: flex; gap: 0.5rem; justify-content: center; }
.plan-upgrade-link { font-weight: 600; color: var(--text-primary); text-decoration: underline; text-underline-offset: 2px; }

/* Sidebar link to the admin dashboard (owner only) */
.nav-item-admin {
  display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1rem;
  color: var(--sidebar-text); text-decoration: none; border-radius: var(--radius-md);
  font-size: 0.95rem; font-weight: 500; transition: var(--transition); white-space: nowrap;
}
.nav-item-admin:hover { background: var(--sidebar-hover); color: var(--sidebar-active); }
.nav-item-admin i { width: 20px; text-align: center; font-size: 1.1rem; }
.nav-item-admin[hidden] { display: none; }
.sidebar.collapsed .nav-item-admin .nav-label { display: none; }

/* Find Profs before the first search */
.fp-start { text-align: center; padding: 2.5rem 1rem; color: var(--text-secondary); border: 1px dashed var(--border-color); border-radius: var(--radius-md); background: var(--bg-surface); }
.fp-start i { font-size: 1.5rem; color: var(--text-muted); }
.fp-start h3 { font-size: 1.05rem; color: var(--text-primary); margin: 0.5rem 0 0.25rem; }