/* ═══════════════════════════════════════════════════════════════
   LSF UNIFIED PROFILE  ·  lsf-profile.css
   One profile UI for the whole site (/u/<id>). Uses only the
   design tokens from style.css, so light + dark themes just work.
   ═══════════════════════════════════════════════════════════════ */

/* Linked-name rules live in lsf-user-link.css (shared by every page). */

/* ── Page shell ─────────────────────────────────────────────── */
.pf-page { max-width: 860px; margin: 0 auto; padding: 20px 16px 120px; }
.pf-back {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
  padding: 8px 14px 8px 12px; border-radius: var(--r-pill);
  background: var(--card); border: 1px solid var(--border);
  color: var(--text-dim); font: 700 0.82rem var(--font-body); cursor: pointer; text-decoration: none;
  transition: color .15s, border-color .15s, transform .15s;
}
.pf-back:hover { color: var(--coral); border-color: var(--coral); }
.pf-back:active { transform: scale(.97); }

/* ── Hero ───────────────────────────────────────────────────── */
.pf-hero {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-sm);
}
.pf-cover {
  height: 116px; position: relative;
  background:
    radial-gradient(120% 140% at 85% -20%, rgba(255,255,255,.28), transparent 55%),
    linear-gradient(135deg, var(--coral), var(--indigo));
}
.pf-hero-body { padding: 0 22px 22px; }
.pf-identity-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-top: -54px;
}

/* Avatar + plan ring (ring only shows for the owner's plan) */
.pf-avatar {
  position: relative; width: 108px; height: 108px; border-radius: 50%;
  flex-shrink: 0; --ring-glow: 148, 163, 184;
}
.pf-avatar::before {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  background: var(--card); z-index: 0; transition: background .4s, box-shadow .4s;
}
.pf-avatar::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%; z-index: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,.5) 48%, transparent 64%);
  background-size: 250% 250%; background-position: -60% -60%; opacity: 0;
}
.pf-avatar.ring-free::before    { background: #2563EB; }
.pf-avatar.ring-starter::before { background: linear-gradient(135deg,#1D4ED8,#3B82F6,#60A5FA,#1D4ED8); }
.pf-avatar.ring-starter         { --ring-glow: 37, 99, 235; }
.pf-avatar.ring-pro::before     { background: linear-gradient(135deg,#FFD700,#FFC107,#FFB300,#FFD700); }
.pf-avatar.ring-pro             { --ring-glow: 255, 179, 0; }
.pf-avatar.ring-unlimited::before { background: linear-gradient(135deg,#7C3AED,#A855F7,#FFC107,#FFD700); }
.pf-avatar.ring-unlimited       { --ring-glow: 130, 71, 229; }
.pf-avatar.ring-starter::before, .pf-avatar.ring-pro::before, .pf-avatar.ring-unlimited::before {
  animation: pf-ring-glow 4s ease-in-out infinite;
}
.pf-avatar.ring-starter::after, .pf-avatar.ring-pro::after, .pf-avatar.ring-unlimited::after {
  opacity: 1; animation: pf-ring-shimmer 4.5s ease-in-out infinite;
}
@keyframes pf-ring-glow {
  0%,100% { box-shadow: 0 0 0 1px rgba(var(--ring-glow),.25), 0 0 12px rgba(var(--ring-glow),.3); }
  50%     { box-shadow: 0 0 0 1px rgba(var(--ring-glow),.4),  0 0 19px rgba(var(--ring-glow),.46); }
}
@keyframes pf-ring-shimmer { 0%,100% { background-position: -60% -60%; } 50% { background-position: 160% 160%; } }
@media (prefers-reduced-motion: reduce) {
  .pf-avatar::before, .pf-avatar::after { animation: none !important; }
}
.pf-avatar-inner {
  position: relative; z-index: 1; width: 100%; height: 100%; border-radius: 50%;
  border: 4px solid var(--card); overflow: hidden; box-sizing: border-box;
  background: var(--coral); color: #fff; display: flex; align-items: center; justify-content: center;
  font: 800 2.1rem var(--font-display);
}
/* Photo covers the initials fallback. Absolute, so it can never share flex space with the initials text. */
.pf-avatar-inner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 50%; }
.pf-online-dot {
  position: absolute; right: 8px; bottom: 8px; z-index: 3; width: 16px; height: 16px;
  border-radius: 50%; background: var(--emerald); border: 3px solid var(--card);
}
.pf-avatar-upload {
  position: absolute; right: -2px; bottom: 2px; z-index: 3; width: 34px; height: 34px; border-radius: 50%;
  background: var(--coral); color: #fff; border: 3px solid var(--card);
  display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: .78rem;
  transition: transform .15s;
}
.pf-avatar-upload:hover { transform: scale(1.08); }

/* Action buttons */
.pf-actions { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 4px; }
.pf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--r-pill); font: 700 .84rem var(--font-body);
  border: 1.5px solid var(--border); background: var(--card); color: var(--text-main);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .15s, background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.pf-btn:hover { border-color: var(--coral); color: var(--coral); }
.pf-btn:active { transform: scale(.97); }
.pf-btn[disabled] { opacity: .6; cursor: progress; }
.pf-btn.primary { background: var(--coral); border-color: var(--coral); color: #fff; box-shadow: var(--shadow-coral); }
.pf-btn.primary:hover { filter: brightness(1.08); color: #fff; }
.pf-btn.following { background: var(--bg-alt); color: var(--text-main); border-color: var(--border); box-shadow: none; }
.pf-btn.following:hover { border-color: #ef4444; color: #ef4444; }
.pf-btn.icon { padding: 10px 13px; }

/* Name block */
.pf-name-row { display: flex; align-items: center; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.pf-name { font: 800 1.5rem/1.15 var(--font-display); color: var(--text-main); word-break: break-word; }
.pf-badge {
  display: inline-flex; align-items: center; justify-content: center; width: 21px; height: 21px;
  border-radius: 50%; color: #fff; font-size: .7rem; flex-shrink: 0;
}
.pf-plan {
  display: none; align-items: center; gap: 6px; padding: 4px 11px; border-radius: var(--r-pill);
  font: 800 .68rem var(--font-body); letter-spacing: .4px; text-transform: uppercase;
}
.pf-plan.show { display: inline-flex; }
.pf-plan.plan-starter   { background: linear-gradient(135deg,#2563EB,#3B82F6); color: #fff; }
.pf-plan.plan-pro       { background: linear-gradient(135deg,#FFD700,#FFC107,#FFB300); color: #5c3d00; }
.pf-plan.plan-unlimited { background: linear-gradient(120deg,#7C3AED,#A855F7 35%,#FFC107 75%,#FFD700); color: #fff; }
.pf-username { margin-top: 3px; color: var(--text-muted); font-size: .9rem; }
.pf-bio { margin: 14px 0 0; color: var(--text-main); font-size: .94rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.pf-bio.empty { color: var(--text-muted); font-style: italic; }

.pf-chips { display: flex; flex-wrap: wrap; gap: 8px 8px; margin-top: 14px; }
.pf-chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: var(--r-pill);
  background: var(--bg-alt); color: var(--text-dim); font-size: .78rem; font-weight: 600;
}
.pf-chip i { color: var(--coral); font-size: .75rem; }

.pf-follow-counts { display: flex; gap: 22px; margin-top: 16px; flex-wrap: wrap; }
.pf-follow-counts button, .pf-follow-counts span.static {
  background: none; border: none; padding: 0; cursor: pointer; font: 500 .9rem var(--font-body); color: var(--text-muted);
}
.pf-follow-counts span.static { cursor: default; }
.pf-follow-counts strong { color: var(--text-main); font-weight: 800; margin-right: 4px; }
.pf-follow-counts button:hover, .pf-follow-counts button:hover strong { color: var(--coral); }

/* Completion ring slot (owner only) */
.pf-completion { margin-top: 16px; }

/* ── Stats strip ────────────────────────────────────────────── */
.pf-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 14px 0; }
.pf-stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 14px 8px; text-align: center; box-shadow: var(--shadow-sm);
}
.pf-stat i { font-size: .95rem; margin-bottom: 6px; display: block; }
.pf-stat .v { font: 800 1.25rem var(--font-display); color: var(--text-main); }
.pf-stat .l { font-size: .66rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; font-weight: 700; }
.pf-stat.xp i { color: #F59E0B; } .pf-stat.lvl i { color: var(--indigo); }
.pf-stat.streak i { color: #F97316; } .pf-stat.rank i { color: var(--emerald); }

/* ── Tabs ───────────────────────────────────────────────────── */
.pf-tabs {
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 5px;
  margin-bottom: 14px;
}
.pf-tabs::-webkit-scrollbar { display: none; }
.pf-tab {
  flex: 1 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 16px; border: none; background: none; border-radius: 12px; cursor: pointer;
  font: 700 .82rem var(--font-body); color: var(--text-muted); white-space: nowrap;
  transition: background .15s, color .15s;
}
.pf-tab:hover { color: var(--text-main); }
.pf-tab.active { background: var(--coral); color: #fff; box-shadow: var(--shadow-coral); }
.pf-tab .count { font-size: .68rem; opacity: .75; }
.pf-tab.self-only::after {
  content: '\f023'; font: 900 .6rem 'Font Awesome 6 Free'; opacity: .55; margin-left: 2px;
}
.pf-panel { animation: pf-fade .22s ease; }
@keyframes pf-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── Cards ──────────────────────────────────────────────────── */
.pf-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 18px; margin-bottom: 12px; box-shadow: var(--shadow-sm);
}
.pf-card h3 { margin: 0 0 4px; font: 800 1rem var(--font-display); color: var(--text-main); }
.pf-card .sub { margin: 0 0 14px; color: var(--text-muted); font-size: .82rem; }

/* Posts */
.pf-post { display: block; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.pf-post:hover { border-color: var(--coral); transform: translateY(-1px); }
.pf-post-reshare { font-size: .74rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; }
.pf-post-reshare i { margin-right: 5px; color: var(--emerald); }
.pf-post-time { font-size: .74rem; color: var(--text-muted); margin-bottom: 8px; }
.pf-post-body {
  color: var(--text-main); font-size: .92rem; line-height: 1.55; white-space: pre-wrap; word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden;
}
.pf-post-media { margin-top: 10px; border-radius: 12px; overflow: hidden; background: var(--bg-alt); position: relative; }
.pf-post-media img, .pf-post-media video { width: 100%; max-height: 340px; object-fit: cover; display: block; }
.pf-post-media .more {
  position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.65); color: #fff;
  border-radius: var(--r-pill); font: 700 .7rem var(--font-body); padding: 3px 9px;
}
.pf-post-foot { display: flex; gap: 18px; margin-top: 12px; color: var(--text-muted); font-size: .8rem; font-weight: 600; }
.pf-post-foot i { margin-right: 5px; }

/* Comments */
.pf-comment-body { color: var(--text-main); font-size: .9rem; line-height: 1.5; word-break: break-word; }
.pf-comment-ctx { margin-top: 7px; color: var(--text-muted); font-size: .76rem; }

/* About */
.pf-section-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pf-section-icon {
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: var(--coral-light); color: var(--coral); font-size: .9rem;
}
.pf-section.personal .pf-section-icon { background: var(--indigo-light); color: var(--indigo); }
.pf-section.contact  .pf-section-icon { background: var(--emerald-light); color: var(--emerald); }
.pf-section-title { font: 800 .95rem var(--font-display); color: var(--text-main); }
.pf-private-tag {
  margin-left: auto; font: 700 .66rem var(--font-body); color: var(--text-muted);
  background: var(--bg-alt); padding: 3px 9px; border-radius: var(--r-pill);
}
.pf-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.pf-item { background: var(--bg-alt); border-radius: 12px; padding: 11px 13px; min-width: 0; }
.pf-item.full { grid-column: 1 / -1; }
.pf-item .k { font-size: .66rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); font-weight: 700; margin-bottom: 4px; }
.pf-item .val { font-size: .9rem; color: var(--text-main); font-weight: 600; word-break: break-word; display: flex; align-items: center; gap: 8px; }
.pf-item .val i { color: var(--text-muted); font-size: .8rem; }
.pf-item .val.empty { color: var(--text-muted); font-weight: 500; font-style: italic; }
.pf-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  background: var(--coral-light); border: 1px solid var(--coral-glow);
}
.pf-cta strong { color: var(--text-main); font-size: .92rem; }
.pf-cta p { margin: 3px 0 0; color: var(--text-dim); font-size: .82rem; max-width: 46ch; }

/* Activity */
.pf-quiz-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.pf-quiz-stats .pf-stat i { color: var(--coral); }
.pf-history-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 0; border-top: 1px solid var(--border);
}
.pf-history-item:first-of-type { border-top: none; }
.pf-history-level { font-size: .68rem; text-transform: uppercase; letter-spacing: .5px; color: var(--coral); font-weight: 800; }
.pf-history-subj { font-weight: 700; font-size: .9rem; color: var(--text-main); margin: 2px 0; }
.pf-history-date { font-size: .74rem; color: var(--text-muted); }
.pf-score { font: 800 1.05rem var(--font-display); padding: 6px 12px; border-radius: 10px; }
.pf-score.high { color: var(--emerald); background: var(--emerald-light); }
.pf-score.mid  { color: #B45309; background: rgba(245,158,11,.14); }
.pf-score.low  { color: #dc2626; background: rgba(239,68,68,.1); }

/* Achievements */
.pf-badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.pf-ach { text-align: center; padding: 16px 10px; border-radius: 14px; border: 1px dashed var(--border); opacity: .5; filter: grayscale(.9); }
.pf-ach.earned { opacity: 1; filter: none; border-style: solid; background: var(--coral-light); border-color: var(--coral-glow); }
.pf-ach .ic { font-size: 1.7rem; display: block; margin-bottom: 6px; }
.pf-ach .nm { font: 800 .82rem var(--font-body); color: var(--text-main); }
.pf-ach .ds { font-size: .7rem; color: var(--text-muted); margin-top: 3px; }

/* Account (owner) */
.pf-account-row { display: flex; gap: 10px; flex-wrap: wrap; }
.pf-btn.danger { color: #ef4444; border-color: rgba(239,68,68,.3); }
.pf-btn.danger:hover { background: rgba(239,68,68,.08); border-color: #ef4444; color: #ef4444; }

/* Empty / error states */
.pf-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.pf-state .ic { font-size: 2.4rem; display: block; margin-bottom: 12px; }
.pf-state h2 { margin: 0 0 6px; font: 800 1.15rem var(--font-display); color: var(--text-main); }
.pf-state p { margin: 0 auto 16px; max-width: 34ch; font-size: .88rem; line-height: 1.5; }
.pf-empty { text-align: center; padding: 34px 16px; color: var(--text-muted); font-size: .88rem; }
.pf-empty .ic { font-size: 2rem; display: block; margin-bottom: 8px; }
.pf-loadmore { display: flex; justify-content: center; margin: 6px 0 0; }

/* Skeleton */
.pf-skel { background: linear-gradient(90deg, var(--bg-alt) 25%, var(--card-hover) 50%, var(--bg-alt) 75%); background-size: 200% 100%; animation: pf-shimmer 1.3s infinite; border-radius: 8px; }
@keyframes pf-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Followers / following sheet */
.pf-sheet-overlay {
  position: fixed; inset: 0; z-index: 10000; background: rgba(15,17,23,.55);
  display: none; align-items: flex-end; justify-content: center;
}
.pf-sheet-overlay.show { display: flex; }
.pf-sheet {
  width: 100%; max-width: 480px; max-height: 78vh; display: flex; flex-direction: column;
  background: var(--card); border-radius: 22px 22px 0 0; border: 1px solid var(--border);
  animation: pf-slide .25s ease;
}
@keyframes pf-slide { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
@media (min-width: 640px) {
  .pf-sheet-overlay { align-items: center; }
  .pf-sheet { border-radius: 22px; max-height: 70vh; }
}
.pf-sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); font: 800 1rem var(--font-display); color: var(--text-main); }
.pf-sheet-head button { background: none; border: none; color: var(--text-muted); font-size: 1.05rem; cursor: pointer; padding: 4px 8px; }
.pf-sheet-body { overflow-y: auto; padding: 6px 8px 14px; }
.pf-person { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 12px; }
.pf-person:hover { background: var(--bg-alt); }
.pf-person a.who { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; text-decoration: none; color: inherit; }
.pf-person .av {
  position: relative; width: 42px; height: 42px; border-radius: 50%; overflow: hidden; flex-shrink: 0;
  background: var(--coral); color: #fff; display: flex; align-items: center; justify-content: center; font: 800 .9rem var(--font-body);
}
.pf-person .av img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pf-person .nm { font-weight: 700; font-size: .9rem; color: var(--text-main); display: flex; align-items: center; gap: 5px; }
.pf-person .un { font-size: .76rem; color: var(--text-muted); }
.pf-person .pf-btn { padding: 7px 14px; font-size: .76rem; }

/* Sign-out modal */
.pf-modal-overlay { position: fixed; inset: 0; z-index: 10001; background: rgba(15,17,23,.55); display: none; align-items: center; justify-content: center; }
.pf-modal-overlay.show { display: flex; }
.pf-modal { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px 24px; width: 90%; max-width: 360px; text-align: center; }
.pf-modal h2 { margin: 8px 0 6px; font: 800 1.2rem var(--font-display); color: var(--text-main); }
.pf-modal p { margin: 0 0 20px; color: var(--text-muted); font-size: .88rem; }
.pf-modal .row { display: flex; gap: 10px; justify-content: center; }

/* Fallback toast (used when the site toast helper is missing) */
.pf-toast { position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%); z-index: 10002; background: var(--text-main); color: var(--bg); padding: 11px 18px; border-radius: var(--r-pill); font: 600 .84rem var(--font-body); box-shadow: var(--shadow-lg); }

/* ── Small screens ──────────────────────────────────────────── */
@media (max-width: 560px) {
  .pf-page { padding: 14px 12px 120px; }
  .pf-hero-body { padding: 0 16px 18px; }
  .pf-cover { height: 96px; }
  .pf-identity-row { margin-top: -46px; }
  .pf-avatar { width: 92px; height: 92px; }
  .pf-avatar-inner { font-size: 1.8rem; }
  .pf-name { font-size: 1.28rem; }
  .pf-actions { width: 100%; }
  .pf-actions .pf-btn { flex: 1; }
  .pf-actions .pf-btn.icon { flex: 0 0 auto; }
  .pf-grid { grid-template-columns: 1fr; }
  .pf-stats { gap: 8px; }
  .pf-stat { padding: 12px 4px; }
  .pf-stat .v { font-size: 1.1rem; }
}