*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0f1117;
  --card:     #1a1d27;
  --border:   #2a2d3a;
  --accent:   #5865f2;
  --accent2:  #4752c4;
  --success:  #3ba55c;
  --danger:   #ed4245;
  --text:     #e0e3f0;
  --muted:    #7c8098;
  --locked:   #2e3042;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }

/* ── Nav ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
nav .logo { font-weight: 700; font-size: 1rem; letter-spacing: .05em; color: var(--text); }
nav .user  { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--muted); }
nav .user img { width: 32px; height: 32px; border-radius: 50%; }
nav .logout { font-size: .8rem; color: var(--muted); padding: .3rem .7rem; border: 1px solid var(--border); border-radius: 6px; }
nav .logout:hover { color: var(--text); border-color: var(--muted); }

/* ── Layout ── */
.container { max-width: 900px; margin: 0 auto; padding: 2.5rem 1.5rem; }

/* ── Login page ── */
.login-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 1.5rem;
  text-align: center;
}
.login-wrap h1 { font-size: 1.8rem; font-weight: 700; }
.login-wrap p  { color: var(--muted); max-width: 380px; line-height: 1.6; }
.login-wrap .error { color: var(--danger); font-size: .875rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.4rem;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.btn:hover  { opacity: .88; }
.btn:active { transform: scale(.97); }
.btn-primary  { background: var(--accent);  color: #fff; }
.btn-success  { background: var(--success); color: #fff; }
.btn-discord  { background: #5865f2; color: #fff; font-size: 1rem; padding: .75rem 1.8rem; }

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

/* ── Module grid ── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.module-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem 1.2rem;
  cursor: pointer;
  transition: border-color .15s, transform .1s;
}
.module-card:hover:not(.locked) { border-color: var(--accent); transform: translateY(-2px); }
.module-card.locked  { opacity: .45; cursor: default; }
.module-card.current { border-color: var(--accent); }
.module-card.done    { border-color: var(--success); }
.module-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .4rem; }
.module-card .status { font-size: .8rem; color: var(--muted); }
.module-card .status.green { color: var(--success); }
.module-card .status.blue  { color: var(--accent);  }

/* ── Module page ── */
.module-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 680px) { .module-layout { grid-template-columns: 1fr; } }

.video-list { display: flex; flex-direction: column; gap: .5rem; }
.video-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem .9rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .12s, border-color .12s;
  font-size: .9rem;
}
.video-item:hover           { background: var(--border); }
.video-item.active          { background: #252840; border-color: var(--accent); }
.video-item .check          { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border); flex-shrink: 0; }
.video-item .check.done     { background: var(--success); border-color: var(--success); display: flex; align-items: center; justify-content: center; }
.video-item .check.done::after { content: '✓'; color: #fff; font-size: 11px; }
.video-item .title          { flex: 1; }

.player-wrap video { width: 100%; border-radius: 10px; background: #000; max-height: 480px; }


/* ── Questionnaire ── */
.questionnaire { margin-top: 2rem; }
.questionnaire h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.q-item { margin-bottom: 1.2rem; }
.q-item label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: .4rem; }
.q-item textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: .7rem;
  font-size: .9rem;
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}
.q-item textarea:focus { outline: none; border-color: var(--accent); }

.pending-banner {
  background: #1e2240;
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: .9rem;
  color: var(--accent);
  margin-top: 2rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .8rem 1.2rem;
  font-size: .9rem;
  box-shadow: 0 4px 24px rgba(0,0,0,.5);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
  z-index: 999;
}
.toast.show { opacity: 1; transform: translateY(0); }

h1.page-title { font-size: 1.4rem; font-weight: 700; }
.muted { color: var(--muted); font-size: .9rem; }

/* ── Shadowing ── */
.shadowing-card {
  margin-top: 2rem;
  background: #1a1f30;
  border: 1px solid #3a3f5c;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}
.shadowing-card h2 { font-size: 1.2rem; margin-bottom: .6rem; }
.shadowing-card p  { color: var(--muted); line-height: 1.6; }
.crown-icon { font-size: 2.5rem; margin-bottom: .75rem; }