/* ============================================================
   Student Club Hub — components.css
   Isolated, reusable UI widgets: modal/overlay shells, the auth
   modal, lightbox, confirm dialog, toast, and the share modal.
   Loaded AFTER main.css. Palette tokens live in main.css.
   ============================================================ */

/* ============================================================
   MODALS — dark glassmorphism overlay
   ============================================================ */
.overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px;
  background: rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow-y: auto;
  animation: overlay-in .18s ease;
}
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  position: relative; width: 100%; max-width: 560px;
  background: var(--card); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
  animation: modal-in .2s cubic-bezier(.2,.7,.3,1.2);
}
.modal.wide { max-width: 720px; }
@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }

/* Floating sticky header controls inside the club modal */
.modal-float {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; pointer-events: none;
}
.modal-float > * { pointer-events: auto; }
.icon-btn {
  width: 38px; height: 38px; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.92); box-shadow: var(--shadow-sm);
  display: grid; place-items: center; font-size: 1.05rem; color: var(--ink);
  backdrop-filter: blur(4px);
}
.icon-btn:hover { background: #fff; }
.float-fav { color: var(--faint); }
.float-fav.on { color: var(--star); }

.modal-body { padding: 0 22px 24px; }
.modal-pad { padding: 22px; }

/* Auth modal */
.tab-row { display: flex; gap: 6px; background: #f1f5f9; padding: 4px; border-radius: var(--r); margin-bottom: 18px; }
.tab-row button { flex: 1; padding: 9px; border-radius: 10px; font-weight: 700; color: var(--muted); }
.tab-row button.active { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }
.auth-error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c;
  font-size: 0.85rem; border-radius: var(--r-sm); padding: 9px 12px; margin-bottom: 12px; }
.credential-box {
  background: var(--brand-50); border: 1px dashed var(--brand-light); border-radius: var(--r-sm);
  padding: 12px 14px; margin: 10px 0; font-size: 0.9rem;
}
.credential-box .id { font-family: ui-monospace, Menlo, monospace; font-weight: 800; color: var(--brand-dark); font-size: 1.05rem; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
}
.lightbox img, .lightbox video { max-height: 84vh; max-width: 88vw; border-radius: var(--r); object-fit: contain; }
.lb-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.12); color: #fff; font-size: 1.4rem;
  display: grid; place-items: center;
}
.lb-btn:hover { background: rgba(255,255,255,0.24); }
.lb-prev { left: 20px; } .lb-next { right: 20px; }
.lb-close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px;
  border-radius: var(--r-pill); background: rgba(255,255,255,0.12); color: #fff; font-size: 1.3rem; display: grid; place-items: center; }
.lb-close:hover { background: rgba(255,255,255,0.24); }
.lb-count { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.85); font-size: 0.85rem; background: rgba(255,255,255,0.12); padding: 4px 12px; border-radius: var(--r-pill); }

/* Confirm modal */
/* Always stack the confirm dialog above other overlays (e.g. the roster
   settings in #bizOverlay) so a confirmation fired from inside another
   modal appears on top of it immediately, not hidden behind it. */
#confirmOverlay.overlay { z-index: 250; }
.confirm { max-width: 400px; text-align: center; padding: 26px; }
.confirm .c-ico { width: 56px; height: 56px; border-radius: var(--r-pill); margin: 0 auto 14px;
  display: grid; place-items: center; font-size: 1.5rem; background: var(--brand-50); }
.confirm h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 6px; }
.confirm p { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
.confirm .row { display: flex; gap: 10px; } .confirm .row > * { flex: 1; }

/* ---- Toast ---- */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(160%);
  background: #111827; color: #fff; padding: 11px 18px; border-radius: var(--r);
  font-size: 0.88rem; z-index: 300; box-shadow: var(--shadow-lg);
  visibility: hidden; opacity: 0;
  transition: transform .35s cubic-bezier(.2,.8,.3,1.3), opacity .3s, visibility .3s;
  max-width: calc(100vw - 32px);
}
.toast.show { transform: translateX(-50%) translateY(0); visibility: visible; opacity: 1; }

/* Share modal */
.share-link-row { display: flex; gap: 8px; align-items: center; }
.share-link-row input { flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); background: #f8fafc; font-size: 0.78rem; }
.qr-wrap { margin-top: 16px; }
.qr-box { display: flex; justify-content: center; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); }
.qr-box svg { width: 190px; height: 190px; display: block; }

/* Contact Us card (overlay) */
.contact-card { position: relative; text-align: center; }
.contact-x { position: absolute; top: 10px; right: 10px; }
.contact-ico { width: 58px; height: 58px; border-radius: var(--r-pill); margin: 4px auto 12px;
  display: grid; place-items: center; font-size: 1.6rem; background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-md); }
.contact-h { font-size: 1.35rem; font-weight: 800; margin-bottom: 8px; }
.contact-sub { color: var(--muted); font-size: 0.92rem; line-height: 1.5; margin: 0 auto 18px; max-width: 430px; }
.contact-form { text-align: left; }
.contact-box { width: 100%; min-height: 150px; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: var(--r); background: #fff; color: var(--ink); outline: none; resize: vertical;
  font-family: inherit; font-size: 0.95rem; line-height: 1.5; }
.contact-box::placeholder { color: var(--muted); }
.contact-box:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-50); }
.contact-divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: .04em; margin: 16px 0 12px; }
.contact-divider::before, .contact-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }