/* ═══════════════════════════════════════════════════
   ASCENDIUM — styles.css
   ═══════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --amber:        #E68A2E;
  --amber-dark:   #B8651B;
  --amber-glow:   rgba(230, 138, 46, 0.25);
  --amber-faint:  rgba(230, 138, 46, 0.08);

  --bg-base:      #0d0f14;
  --bg-card:      #13161e;
  --bg-card-2:    #181c26;
  --bg-boss:      #0a0c11;

  --surface:      #1e2433;
  --surface-2:    #252d3d;
  --surface-3:    #2e3a50;

  --border:       rgba(255,255,255,0.07);
  --border-2:     rgba(255,255,255,0.12);

  --text:         #e8eaf0;
  --text-2:       #9ba3b8;
  --text-3:       #5c6478;

  --green:        #34d399;
  --green-bg:     rgba(52,211,153,0.1);
  --red:          #f87171;
  --red-bg:       rgba(248,113,113,0.1);

  --radius-sm:    4px;
  --radius:       8px;
  --radius-lg:    12px;
  --radius-xl:    16px;

  --font-ui:      'Inter', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;

  --transition:   0.18s ease;

  --shadow-card:  0 2px 16px rgba(0,0,0,0.4);
  --shadow-glow:  0 0 24px rgba(230,138,46,0.3);
}

html { font-size: 16px; }
body {
  font-family: var(--font-ui);
  background: var(--bg-base);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--surface-3); }

/* ═══════════════════════════════════════════════════
   LOADING SCREEN
   ═══════════════════════════════════════════════════ */
.loading-screen {
  position: fixed; inset: 0;
  background: var(--bg-base);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}
.loading-screen.fade-out { opacity: 0; pointer-events: none; }

.loading-inner {
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}

.loading-sigil {
  position: relative;
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
}

.sigil-ring {
  position: absolute;
  border: 2px solid var(--amber);
  border-radius: 50%;
  animation: sigil-spin 2s linear infinite;
  opacity: 0.6;
}
.sigil-ring:nth-child(1) { width: 80px; height: 80px; border-color: var(--amber); animation-duration: 2.5s; }
.sigil-ring--2          { width: 56px; height: 56px; border-color: var(--amber-dark); animation-direction: reverse; animation-duration: 1.8s; }
.sigil-core {
  width: 20px; height: 20px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--amber);
  animation: sigil-pulse 1.5s ease-in-out infinite;
}

@keyframes sigil-spin { to { transform: rotate(360deg); } }
@keyframes sigil-pulse { 0%,100% { opacity:1; transform: scale(1); } 50% { opacity:0.5; transform: scale(0.8); } }

.loading-title {
  font-size: 2.2rem;
  color: var(--amber);
  letter-spacing: 0.08em;
  font-weight: 700;
}
.loading-sub {
  color: var(--text-2);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.loading-bar-wrap {
  width: 200px; height: 3px;
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}
.loading-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--amber-dark), var(--amber));
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ═══════════════════════════════════════════════════
   NAME ENTRY MODAL (true modal — blocks all interaction)
   ═══════════════════════════════════════════════════ */
.name-modal {
  position: fixed; inset: 0; z-index: 8000;
  background: var(--bg-base);
  display: flex; align-items: center; justify-content: center;
  padding: 32px;
}
.name-modal.hidden { display: none !important; }

.name-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  animation: modal-in 0.4s ease;
}
.name-modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════════
   INTRO SEQUENCE OVERLAY
   ═══════════════════════════════════════════════════ */
.intro-overlay {
  position: fixed; inset: 0; z-index: 7000;
  background: var(--bg-base);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.intro-overlay.hidden { display: none !important; }

.intro-inner {
  text-align: center;
  max-width: 640px;
  padding: 32px;
  display: flex; flex-direction: column; align-items: center; gap: 40px;
}

.intro-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--text);
  line-height: 1.5;
  min-height: 3em;
  display: flex; align-items: center; justify-content: center;
  animation: intro-fade-in 0.6s ease;
}

@keyframes intro-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.intro-dots {
  display: flex; gap: 8px; justify-content: center;
}
.intro-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--surface-3);
  transition: background 0.3s ease;
}
.intro-dot.active { background: var(--amber); }
.intro-dot.done   { background: var(--surface-2); }

.intro-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: hint-pulse 2s ease-in-out infinite;
}

@keyframes hint-pulse {
  0%,100% { opacity: 0.5; }
  50%     { opacity: 1; }
}

/* ═══════════════════════════════════════════════════
   LAYOUT — TOPBAR
   ═══════════════════════════════════════════════════ */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,15,20,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-brand {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
}
.brand-sigil {
  width: 32px; height: 32px;
  border: 1.5px solid var(--amber);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-sigil::before {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber);
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.topbar-right {
  display: flex; align-items: center; gap: 16px;
}
.topbar-xp {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-2);
}
.xp-badge {
  background: var(--amber-faint);
  border: 1px solid var(--amber-dark);
  color: var(--amber);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.topbar-nav {
  display: flex; gap: 4px;
}
.nav-btn {
  background: none; border: none;
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.82rem;
  font-family: var(--font-ui);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-btn:hover { background: var(--surface); color: var(--text); }
.nav-btn.active { color: var(--amber); background: var(--amber-faint); }

/* ═══════════════════════════════════════════════════
   BREADCRUMB
   ═══════════════════════════════════════════════════ */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb-item {
  cursor: pointer;
  transition: color var(--transition);
}
.breadcrumb-item:hover { color: var(--amber); }
.breadcrumb-sep { color: var(--text-3); opacity: 0.5; }
.breadcrumb-current { color: var(--text-2); cursor: default; }
.breadcrumb-current:hover { color: var(--text-2); }

/* ═══════════════════════════════════════════════════
   CONTAINER
   ═══════════════════════════════════════════════════ */
.view { display: none; }
.view.active { display: block; }

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px;
}
.container--wide { max-width: 1100px; }
.container--narrow { max-width: 680px; }

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px;
  border: none; border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--amber-dark), var(--amber));
  color: #0d0f14;
  font-weight: 600;
}
.btn--primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 16px var(--amber-glow); }
.btn--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn--secondary:hover { background: var(--surface-2); }
.btn--ghost {
  background: none;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn--ghost:hover { background: var(--surface); color: var(--text); }
.btn--danger {
  background: rgba(248,113,113,0.12);
  color: var(--red);
  border: 1px solid rgba(248,113,113,0.2);
}
.btn--danger:hover { background: rgba(248,113,113,0.2); }
.btn--lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn--sm { padding: 6px 14px; font-size: 0.78rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ═══════════════════════════════════════════════════
   ONBOARDING (shared styles)
   ═══════════════════════════════════════════════════ */
.onboard-sigil {
  width: 72px; height: 72px;
  margin: 0 auto 24px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.onboard-sigil::before {
  content: '';
  position: absolute; inset: 0;
  border: 1.5px solid var(--amber);
  border-radius: 50%;
  animation: sigil-spin 4s linear infinite;
}
.onboard-sigil::after {
  content: '';
  position: absolute; inset: 12px;
  border: 1.5px solid var(--amber-dark);
  border-radius: 50%;
  animation: sigil-spin 3s linear infinite reverse;
}
.onboard-icon { font-size: 1.8rem; position: relative; z-index: 1; }
.onboard-title {
  font-size: 2rem;
  color: var(--amber);
  margin-bottom: 6px;
}
.onboard-slogan {
  color: var(--text-2);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.onboard-desc {
  color: var(--text-2);
  font-size: 0.9rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.form-field { margin-bottom: 20px; text-align: left; }
.form-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-2);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.form-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: var(--font-ui);
  transition: var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--amber); box-shadow: 0 0 0 2px var(--amber-glow); }
.form-input::placeholder { color: var(--text-3); }

/* ═══════════════════════════════════════════════════
   ACADEMY HUB VIEW
   ═══════════════════════════════════════════════════ */
.hub-hero {
  text-align: center;
  padding: 48px 24px 36px;
}
.hub-hero-eyebrow {
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.hub-hero-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--text);
  margin-bottom: 8px;
}
.hub-hero-title span { color: var(--amber); }
.hub-hero-sub {
  font-size: 0.9rem;
  color: var(--text-2);
  max-width: 480px;
  margin: 0 auto 24px;
}

.hub-player-strip {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding: 10px 20px;
  margin-bottom: 48px;
}
.hub-player-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--amber-dark), var(--amber));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--bg-base);
  flex-shrink: 0;
}
.hub-player-name {
  font-size: 0.9rem;
  font-weight: 600;
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hub-player-realm {
  font-size: 0.75rem;
  color: var(--amber);
  font-style: italic;
}
.hub-player-sep {
  width: 1px; height: 28px;
  background: var(--border-2);
}
.hub-player-xp {
  font-size: 0.78rem;
  color: var(--text-2);
}
.hub-player-xp strong {
  color: var(--amber);
}

/* Guild grid */
.guild-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

.guild-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}
.guild-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--guild-color, var(--amber)), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.guild-card:hover:not(.guild-card--locked) {
  transform: translateY(-4px);
  border-color: var(--guild-color, var(--amber));
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px color-mix(in srgb, var(--guild-color, var(--amber)) 20%, transparent);
}
.guild-card:hover:not(.guild-card--locked)::before { opacity: 1; }

.guild-card--locked {
  opacity: 0.45;
  cursor: not-allowed;
}
.guild-card--coming-soon {
  opacity: 0.55;
  cursor: not-allowed;
}

.guild-card-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}
.guild-card-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 6px;
}
.guild-card-desc {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}
.guild-card-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.guild-card-status {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 12px;
}
.guild-card-status--available {
  background: var(--amber-faint);
  color: var(--amber);
  border: 1px solid var(--amber-dark);
}
.guild-card-status--coming-soon {
  background: var(--surface);
  color: var(--text-3);
  border: 1px solid var(--border);
}
.guild-card-status--locked {
  background: var(--surface);
  color: var(--text-3);
  border: 1px solid var(--border);
}

.guild-card-paths {
  font-size: 0.72rem;
  color: var(--text-3);
}

/* Hub stats bar */
.hub-stats-bar {
  display: flex; align-items: center; justify-content: center; gap: 32px;
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  background: rgba(13,15,20,0.6);
  flex-wrap: wrap;
  gap: 16px 32px;
}
.hub-stat {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem;
  color: var(--text-2);
}
.hub-stat-icon { font-size: 0.9rem; }
.hub-stat strong { color: var(--text); }

/* ═══════════════════════════════════════════════════
   GUILD HALL VIEW
   ═══════════════════════════════════════════════════ */
.guild-hall-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.guild-hall-back {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer;
  font-size: 1rem;
  padding: 8px 12px;
  transition: var(--transition);
  font-family: var(--font-ui);
  display: flex; align-items: center; gap: 6px;
  flex-shrink: 0;
}
.guild-hall-back:hover { background: var(--surface-2); color: var(--text); }
.guild-hall-icon { font-size: 2rem; }
.guild-hall-name {
  font-size: 1.6rem;
  color: var(--text);
}
.guild-hall-name span { color: var(--amber); }
.guild-hall-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-top: 2px;
}

/* Skill path cards */
.path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.skill-path-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}
.skill-path-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.skill-path-card:hover:not(.skill-path-card--locked) {
  transform: translateY(-3px);
  border-color: var(--amber);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.skill-path-card:hover:not(.skill-path-card--locked)::before { opacity: 1; }
.skill-path-card--locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.skill-path-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.skill-path-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 4px;
}
.skill-path-subtitle {
  font-size: 0.82rem;
  color: var(--amber);
  margin-bottom: 12px;
  font-style: italic;
}
.skill-path-desc {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}
.skill-path-meta {
  display: flex; align-items: center; justify-content: space-between;
}
.skill-path-stats {
  display: flex; gap: 12px;
}
.skill-path-stat {
  font-size: 0.72rem;
  color: var(--text-3);
  display: flex; align-items: center; gap: 4px;
}
.skill-path-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 12px;
}
.skill-path-badge--available {
  background: var(--amber-faint);
  color: var(--amber);
  border: 1px solid var(--amber-dark);
}
.skill-path-badge--coming-soon {
  background: var(--surface);
  color: var(--text-3);
  border: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════
   PATH VIEW (Level Select)
   ═══════════════════════════════════════════════════ */
.path-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.path-nav {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 24px;
}
.path-back-btn {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 7px 14px;
  transition: var(--transition);
  font-family: var(--font-ui);
  display: flex; align-items: center; gap: 6px;
}
.path-back-btn:hover { background: var(--surface-2); color: var(--text); }
.path-hero-title {
  font-size: 1.1rem;
  color: var(--text-2);
  margin-bottom: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-ui);
  font-weight: 500;
}
.path-course-name {
  font-size: 1.8rem;
  color: var(--text);
  line-height: 1.2;
}
.path-course-name span { color: var(--amber); }

.path-player-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  min-width: 240px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow-card);
}
.player-avatar {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--amber-dark), var(--amber));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bg-base);
  flex-shrink: 0;
}
.player-info { flex: 1; min-width: 0; }
.player-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.player-title {
  font-size: 0.75rem;
  color: var(--amber);
  font-style: italic;
}
.player-xp-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-3);
}
.xp-bar-thin {
  height: 4px; background: var(--surface);
  border-radius: 2px; overflow: hidden;
  margin-top: 4px;
}
.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dark), var(--amber));
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ── Tier Sections ── */
.tier-section { margin-bottom: 48px; }
.tier-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.tier-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}
.tier-badge {
  background: var(--surface);
  border: 1px solid var(--border-2);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--text-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
}
.tier-badge.tier--apprentice  { border-color: #6B7280; color: #9CA3AF; }
.tier-badge.tier--journeyman  { border-color: #4B9CD3; color: #7EC8E3; }
.tier-badge.tier--adept       { border-color: #7B61FF; color: #A78BFA; }
.tier-badge.tier--expert      { border-color: #E68A2E; color: var(--amber); }
.tier-badge.tier--master      { border-color: #F43F5E; color: #FB7185; }

/* ── Level Nodes ── */
.level-nodes {
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
}
.level-nodes::before {
  content: '';
  position: absolute;
  left: 27px; top: 24px; bottom: 24px;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-2), transparent);
}

.level-node {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.level-node:hover:not(.level-node--locked) {
  border-color: var(--border-2);
  background: var(--bg-card-2);
  transform: translateX(3px);
}
.level-node--locked {
  opacity: 0.45;
  cursor: not-allowed;
}
.level-node--locked:hover { transform: none; }
.level-node--completed {
  border-color: rgba(52,211,153,0.2);
}
.level-node--completed::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--green);
}
.level-node--active {
  border-color: rgba(230,138,46,0.4);
  box-shadow: 0 0 20px rgba(230,138,46,0.12);
}
.level-node--active::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}
.level-node--active .node-orb { animation: orb-pulse 2s ease-in-out infinite; }

@keyframes orb-pulse {
  0%,100% { box-shadow: 0 0 0 0 var(--amber-glow); }
  50%      { box-shadow: 0 0 0 8px transparent; }
}

.node-orb {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  position: relative; z-index: 1;
}
.node-orb--locked     { background: var(--surface); color: var(--text-3); }
.node-orb--available  { background: var(--amber-faint); border: 1.5px solid var(--amber); color: var(--amber); }
.node-orb--active     { background: linear-gradient(135deg, var(--amber-dark), var(--amber)); color: var(--bg-base); }
.node-orb--completed  { background: rgba(52,211,153,0.12); border: 1.5px solid var(--green); color: var(--green); }

.node-info { flex: 1; min-width: 0; }
.node-level-num {
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.node-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.node-meta {
  display: flex; align-items: center; gap: 12px;
  margin-top: 4px;
}
.node-meta-item {
  font-size: 0.72rem;
  color: var(--text-3);
  display: flex; align-items: center; gap: 4px;
}
.node-status {
  display: flex; align-items: center; gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}
.status-pill {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.status-pill--locked    { background: var(--surface); color: var(--text-3); }
.status-pill--available { background: var(--amber-faint); color: var(--amber); border: 1px solid var(--amber-dark); }
.status-pill--active    { background: var(--amber-faint); color: var(--amber); border: 1px solid var(--amber); }
.status-pill--completed { background: var(--green-bg); color: var(--green); }
.status-pill--boss      { background: rgba(248,113,113,0.1); color: var(--red); }

/* Progress bar on node */
.node-progress {
  width: 60px; height: 4px;
  background: var(--surface);
  border-radius: 2px; overflow: hidden;
}
.node-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dark), var(--amber));
  border-radius: 2px;
}

/* ═══════════════════════════════════════════════════
   CRUCIBLE VIEW (Challenge Mode)
   ═══════════════════════════════════════════════════ */
.crucible-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 64px;
}
.crucible-header {
  padding: 20px 0;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 8px;
}
.crucible-back {
  background: none; border: none;
  color: var(--text-2); cursor: pointer;
  font-size: 1.2rem;
  padding: 6px;
  border-radius: var(--radius);
  transition: var(--transition);
  line-height: 1;
}
.crucible-back:hover { background: var(--surface); color: var(--text); }
.crucible-level-info { flex: 1; }
.crucible-realm-tag {
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.crucible-level-name {
  font-size: 1rem;
  color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Progress strip */
.challenge-progress {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.challenge-progress-dots {
  display: flex; gap: 5px; flex: 1; flex-wrap: wrap;
}
.progress-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--surface-2);
  transition: var(--transition);
  flex-shrink: 0;
}
.progress-dot.done   { background: var(--green); }
.progress-dot.wrong  { background: var(--red); }
.progress-dot.current { background: var(--amber); box-shadow: 0 0 6px var(--amber); }

.challenge-counter {
  font-size: 0.78rem;
  color: var(--text-3);
  white-space: nowrap;
}

/* Teacher button */
.teacher-trigger {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  padding: 7px 14px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-ui);
  transition: var(--transition);
  margin-bottom: 16px;
}
.teacher-trigger:hover { border-color: var(--amber-dark); color: var(--amber); background: var(--amber-faint); }

/* ── Boss header ── */
.boss-header {
  background: linear-gradient(135deg, var(--bg-boss), #0f111a);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.boss-header::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at top, rgba(248,113,113,0.08), transparent 60%);
}
.boss-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 4px;
  font-weight: 600;
}
.boss-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
}
.boss-title { font-size: 0.82rem; color: var(--text-3); margin-top: 2px; }
.boss-progress-text {
  font-size: 0.75rem;
  color: var(--red);
  margin-top: 8px;
}

/* ── Challenge Card ── */
.challenge-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  animation: card-in 0.3s ease;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.challenge-card.boss-card {
  border-color: rgba(248,113,113,0.2);
  background: var(--bg-boss);
}

.challenge-type-tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 14px;
}
.tag--mcq        { background: rgba(99,179,237,0.1); color: #90CDF4; }
.tag--true_false { background: rgba(167,139,250,0.1); color: #C4B5FD; }
.tag--code_fill  { background: rgba(52,211,153,0.1);  color: var(--green); }
.tag--practical  { background: rgba(230,138,46,0.1);  color: var(--amber); }

.challenge-question {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 24px;
}
.challenge-statement { /* true/false */
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 24px;
}

/* MCQ Options */
.options-list {
  display: flex; flex-direction: column; gap: 10px;
}
.option-btn {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  width: 100%;
  font-family: var(--font-ui);
  color: var(--text);
}
.option-btn:hover:not(:disabled) {
  border-color: var(--border-2);
  background: var(--surface-2);
}
.option-btn:disabled { cursor: default; }
.option-letter {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-2);
  flex-shrink: 0;
  margin-top: 1px;
  transition: var(--transition);
}
.option-text { font-size: 0.9rem; line-height: 1.5; }
.option-btn.selected { border-color: var(--amber); background: var(--amber-faint); }
.option-btn.selected .option-letter { background: var(--amber); color: var(--bg-base); border-color: var(--amber); }
.option-btn.correct  { border-color: var(--green); background: var(--green-bg); }
.option-btn.correct .option-letter  { background: var(--green); color: var(--bg-base); border-color: var(--green); }
.option-btn.wrong    { border-color: var(--red);   background: var(--red-bg); }
.option-btn.wrong .option-letter    { background: var(--red);   color: #fff; border-color: var(--red); }

/* True / False */
.tf-buttons {
  display: flex; gap: 12px;
}
.tf-btn {
  flex: 1;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-2);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-ui);
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.tf-btn:hover:not(:disabled) { border-color: var(--amber); background: var(--amber-faint); }
.tf-btn:disabled { cursor: default; }
.tf-btn.correct { border-color: var(--green); background: var(--green-bg); color: var(--green); }
.tf-btn.wrong   { border-color: var(--red);   background: var(--red-bg);   color: var(--red); }

/* Code Fill */
.code-prompt {
  font-size: 0.88rem;
  color: var(--text-2);
  margin-bottom: 14px;
}
.code-template-wrap {
  background: #0a0c12;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
}
.code-blank {
  display: inline-block;
  background: var(--surface);
  border-bottom: 2px solid var(--amber);
  padding: 0 8px;
  min-width: 60px;
  color: var(--amber);
  border-radius: 2px;
}
.code-blank.correct { border-color: var(--green); color: var(--green); background: var(--green-bg); }
.code-blank.wrong   { border-color: var(--red);   color: var(--red);   background: var(--red-bg); }

.code-fill-inputs { display: flex; flex-direction: column; gap: 10px; }
.code-fill-input-row {
  display: flex; align-items: center; gap: 10px;
}
.code-fill-label {
  font-size: 0.75rem;
  color: var(--text-3);
  width: 60px;
  flex-shrink: 0;
  text-align: right;
  font-family: monospace;
}
.code-fill-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 0.9rem;
  font-family: 'Courier New', monospace;
  transition: var(--transition);
  outline: none;
}
.code-fill-input:focus { border-color: var(--amber); box-shadow: 0 0 0 2px var(--amber-glow); }
.code-fill-input.correct { border-color: var(--green); background: var(--green-bg); }
.code-fill-input.wrong   { border-color: var(--red);   background: var(--red-bg); }

/* Practical */
.practical-scenario {
  background: var(--surface);
  border-left: 3px solid var(--amber-dark);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 16px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
}
.practical-objective {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.6;
}
.practical-hints {
  list-style: none;
  margin-bottom: 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.practical-hint {
  font-size: 0.82rem;
  color: var(--text-3);
  padding: 6px 10px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  display: flex; align-items: flex-start; gap: 8px;
}
.practical-hint::before { content: '▸'; color: var(--amber-dark); flex-shrink: 0; }
.practical-solution {
  background: #0a0c12;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  animation: card-in 0.3s ease;
  display: none;
}
.practical-solution.visible { display: block; }
.solution-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 8px;
}

/* Self-assessment prompt (practical challenges) */
.self-assess-prompt {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  animation: card-in 0.25s ease;
}
.self-assess-question {
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: 12px;
}
.self-assess-btns {
  display: flex; gap: 10px; flex-wrap: wrap;
}

/* Feedback */
.feedback-box {
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 16px;
  font-size: 0.88rem;
  line-height: 1.6;
  animation: card-in 0.25s ease;
  display: none;
}
.feedback-box.visible { display: block; }
.feedback-box--correct { background: var(--green-bg); border: 1px solid rgba(52,211,153,0.3); }
.feedback-box--wrong   { background: var(--red-bg);   border: 1px solid rgba(248,113,113,0.3); }
.feedback-label {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.feedback-label--correct { color: var(--green); }
.feedback-label--wrong   { color: var(--red); }

/* XP gain flash */
.xp-gain-flash {
  position: absolute;
  right: 20px; top: 20px;
  background: var(--amber-faint);
  border: 1px solid var(--amber);
  color: var(--amber);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  animation: xp-pop 1.2s ease forwards;
  pointer-events: none;
}
@keyframes xp-pop {
  0% { opacity: 0; transform: translateY(0) scale(0.8); }
  20% { opacity: 1; transform: translateY(-8px) scale(1); }
  70% { opacity: 1; transform: translateY(-12px) scale(1); }
  100% { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

/* Submit / Next button area */
.challenge-actions {
  display: flex; align-items: center; justify-content: flex-end; gap: 12px;
  margin-top: 20px;
}
.next-challenge-btn { min-width: 140px; }

/* ═══════════════════════════════════════════════════
   PROFILE / STATS VIEW
   ═══════════════════════════════════════════════════ */
.profile-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  margin-top: 8px;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.profile-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}
.profile-avatar-lg {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--amber-dark), var(--amber));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--bg-base);
  margin: 0 auto 16px;
}
.profile-name {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 4px;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.profile-title-display {
  text-align: center;
  font-size: 0.82rem;
  color: var(--amber);
  font-style: italic;
  margin-bottom: 20px;
}
.profile-realm-badge {
  display: flex; align-items: center; justify-content: center;
  gap: 8px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 20px;
}
.realm-icon { font-size: 1.2rem; }
.realm-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.stat-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}
.stat-cell {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 10px 8px;
  text-align: center;
}
.stat-val {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--amber);
  display: block;
}
.stat-label {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.profile-xp-section { margin-bottom: 8px; }
.profile-xp-label {
  display: flex; justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 6px;
}
.profile-xp-bar {
  height: 8px;
  background: var(--surface);
  border-radius: 4px;
  overflow: hidden;
}
.profile-xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dark), var(--amber));
  border-radius: 4px;
  transition: width 0.6s ease;
}

.section-heading {
  font-size: 0.75rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  font-weight: 600;
}

/* Level completion list */
.level-completion-list {
  display: flex; flex-direction: column; gap: 8px;
}
.completion-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border-radius: var(--radius);
  font-size: 0.82rem;
}
.completion-row.completed { background: rgba(52,211,153,0.06); }
.completion-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--surface-2);
  flex-shrink: 0;
}
.completion-dot.done { background: var(--green); }
.completion-dot.partial { background: var(--amber); }
.completion-name { flex: 1; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.completion-status { font-size: 0.7rem; color: var(--text-3); white-space: nowrap; }

/* ═══════════════════════════════════════════════════
   BREAKTHROUGH OVERLAY
   ═══════════════════════════════════════════════════ */
.breakthrough-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(10,12,17,0.95);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
}
.breakthrough-overlay.hidden { display: none; }

.breakthrough-inner {
  text-align: center;
  position: relative;
  padding: 48px 32px;
  max-width: 480px;
  width: 100%;
}

.breakthrough-particles {
  position: absolute; inset: 0;
  pointer-events: none; overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--amber);
  animation: particle-fly 2s ease forwards;
}
@keyframes particle-fly {
  0%   { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0); }
}

.breakthrough-sigil {
  width: 100px; height: 100px;
  position: relative;
  margin: 0 auto 24px;
  display: flex; align-items: center; justify-content: center;
}
.bt-ring {
  position: absolute; border-radius: 50%;
  border: 2px solid var(--amber);
}
.bt-ring--1 { inset: 0;    opacity: 0.8; animation: sigil-spin 3s linear infinite; }
.bt-ring--2 { inset: 14px; opacity: 0.5; animation: sigil-spin 2s linear infinite reverse; border-color: var(--amber-dark); }
.bt-ring--3 { inset: 28px; opacity: 0.3; animation: sigil-spin 4s linear infinite; }
.bt-star {
  font-size: 2rem; color: var(--amber);
  text-shadow: 0 0 20px var(--amber), 0 0 40px var(--amber-glow);
  position: relative; z-index: 1;
  animation: star-pulse 1.5s ease-in-out infinite;
}
@keyframes star-pulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.bt-label {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 8px;
}
.bt-level-name {
  font-size: 1.8rem;
  color: var(--text);
  margin-bottom: 4px;
}
.bt-realm {
  font-size: 0.85rem;
  color: var(--amber);
  font-style: italic;
  margin-bottom: 28px;
}

.bt-stats {
  display: flex; justify-content: center; gap: 24px;
  margin-bottom: 20px;
}
.bt-stat {
  text-align: center;
}
.bt-stat-val {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
  display: block;
}
.bt-stat-label {
  font-size: 0.7rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.bt-title-unlock {
  background: var(--amber-faint);
  border: 1px solid var(--amber-dark);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  margin-bottom: 28px;
  font-size: 0.88rem;
  color: var(--amber);
  display: none;
}
.bt-title-unlock.visible { display: block; }

/* ═══════════════════════════════════════════════════
   TEACHER MODAL
   ═══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1500;
  background: rgba(10,12,17,0.8);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(6px);
}
.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--bg-card-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 640px;
  max-height: 80vh;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  overflow: hidden;
}
.modal-header {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.teacher-avatar {
  width: 40px; height: 40px;
  background: var(--amber-faint);
  border: 1px solid var(--amber-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.modal-title { font-size: 1rem; font-family: var(--font-ui); font-weight: 600; }
.modal-subtitle { font-size: 0.78rem; color: var(--text-2); margin-top: 2px; }
.modal-close {
  background: none; border: none;
  color: var(--text-3); cursor: pointer;
  font-size: 0.9rem;
  padding: 6px;
  border-radius: var(--radius);
  transition: var(--transition);
  margin-left: auto;
  flex-shrink: 0;
}
.modal-close:hover { background: var(--surface); color: var(--text); }
.modal-body {
  padding: 24px;
  overflow-y: auto;
}
.teacher-summary {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.8;
  white-space: pre-wrap;
}

/* ═══════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-card-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  font-size: 0.85rem;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toast-in 0.3s ease forwards;
  max-width: 320px;
  pointer-events: auto;
}
.toast.toast--success { border-color: rgba(52,211,153,0.3); }
.toast.toast--error   { border-color: rgba(248,113,113,0.3); }
.toast.toast--info    { border-color: var(--amber-dark); }
.toast.fade-out { animation: toast-out 0.3s ease forwards; }

@keyframes toast-in  { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
@keyframes toast-out { from { opacity:1; } to { opacity:0; transform:translateY(4px); } }

/* ═══════════════════════════════════════════════════
   EMPTY / INFO STATES
   ═══════════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-3);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-title { font-size: 1.1rem; color: var(--text-2); margin-bottom: 6px; }
.empty-desc { font-size: 0.85rem; }

/* ═══════════════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════════════ */
.hidden { display: none !important; }
.flex { display: flex; }
.gap-12 { gap: 12px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.text-amber { color: var(--amber); }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-dim   { color: var(--text-2); }
.text-xs    { font-size: 0.75rem; }
.text-sm    { font-size: 0.85rem; }

/* ═══════════════════════════════════════════════════
   VIEW TRANSITION FADE
   ═══════════════════════════════════════════════════ */
.view {
  animation: view-fade-in 0.25s ease;
}
@keyframes view-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .topbar { padding: 0 16px; }
  .topbar-nav .nav-btn { padding: 6px 10px; font-size: 0.78rem; }
  .brand-name { display: none; }
  .path-header { flex-direction: column; gap: 16px; }
  .path-player-card { width: 100%; }
  .profile-grid { grid-template-columns: 1fr; }
  .crucible-layout { padding: 0 16px 48px; }
  .name-modal-box { padding: 32px 24px; }
  .bt-stats { gap: 16px; }
  .tf-buttons { flex-direction: column; }
  .guild-grid { grid-template-columns: 1fr; }
  .path-grid  { grid-template-columns: 1fr; }
  .hub-hero   { padding: 32px 16px 24px; }
  .hub-player-strip { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .topbar-xp { display: none; }
  .container { padding: 20px 16px; }
  .challenge-card { padding: 20px; }
  .node-name { font-size: 0.88rem; }
  .profile-grid { grid-template-columns: 1fr; }
  .intro-text { font-size: 1.1rem; }
}