/* Zai Vokabeltrainer – Stylesheet */

:root {
  --bg: #f2f5f9;
  --card: #ffffff;
  --ink: #1d2733;
  --muted: #66788c;
  --line: #dde5ee;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --good: #16a34a;
  --good-bg: #e9f9ef;
  --bad: #dc2626;
  --bad-bg: #fdecec;
  --warn-bg: #fff7e0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 30, 54, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #10233f;
  color: #fff;
  padding: .55rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}

.brand { font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; gap: .45rem; }
.brand small { font-weight: 400; opacity: .75; margin-left: .3rem; }

#nav { display: flex; gap: .3rem; flex-wrap: wrap; }
#nav button {
  background: transparent;
  color: #dbe6f5;
  border: none;
  padding: .45rem .7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: .92rem;
}
#nav button:hover { background: rgba(255, 255, 255, .12); color: #fff; }
#nav button.active { background: var(--primary); color: #fff; }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.2rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin: .4rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.6rem 0 .6rem; }
h3 { margin: .2rem 0 .6rem; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: .78rem;
  padding: 1rem;
}

/* ---------- Karten & Layout ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: .9rem;
  box-shadow: var(--shadow);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: .8rem;
  margin-bottom: .9rem;
}

.card.stat { text-align: center; padding: .9rem .6rem; }
.card.stat .big { font-size: 1.9rem; font-weight: 700; color: var(--primary); }

.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.ok { color: var(--good); font-weight: 600; }

.actions {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin: .8rem 0;
  align-items: center;
}

.lesson-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.lesson-actions { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: .5rem .95rem;
  font-size: .95rem;
  cursor: pointer;
  color: var(--ink);
  text-align: center;
  transition: background .12s, border-color .12s;
}
.btn:hover { border-color: var(--primary); background: #f5f8ff; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.big { padding: .8rem 1.4rem; font-size: 1.05rem; }
.btn.small { padding: .3rem .6rem; font-size: .85rem; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--primary); }
.btn.ghost:hover { background: #eef3fb; }
.btn.danger { background: #fff; border-color: var(--bad); color: var(--bad); }
.btn.danger:hover { background: var(--bad-bg); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- Badges, Tags, Boxen ---------- */

.badge {
  display: inline-block;
  padding: .1rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  vertical-align: middle;
}
.lv-A1 { background: #16a34a; }
.lv-A2 { background: #0d9488; }
.lv-B1 { background: #2563eb; }
.lv-B2 { background: #9333ea; }
.lv-C1 { background: #d97706; }
.lv-C2 { background: #b91c1c; }
.lv-Eigen { background: #475569; }

/* ---------- Anmeldung & Benutzer ---------- */

body.logged-out #nav,
body.logged-out #user-area { display: none; }

.user-area { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.user-chip {
  background: rgba(255, 255, 255, .14);
  padding: .3rem .7rem;
  border-radius: 999px;
  font-size: .85rem;
  white-space: nowrap;
}
.btn.ghost.light { color: #dbe6f5; }
.btn.ghost.light:hover { background: rgba(255, 255, 255, .12); }

.auth-box {
  max-width: 440px;
  margin: 2.5rem auto;
}

.mode-banner {
  max-width: 980px;
  margin: .8rem auto 0;
  padding: .55rem .9rem;
  border-radius: 10px;
  font-size: .85rem;
}
.mode-banner.ok { background: #e7f6ec; border: 1px solid #b5e0c4; color: #166534; }
.mode-banner.warn { background: #fff7e0; border: 1px solid #f0dca0; color: #854d0e; }
.auth-box label, .card > label {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  margin: .55rem 0;
  font-size: .88rem;
  color: var(--muted);
}
.auth-box .check-row { color: var(--ink); }

textarea.answer {
  width: 100%;
  max-width: none;
  font-family: inherit;
  resize: vertical;
}

.tag {
  display: inline-block;
  background: #e8eefb;
  color: #29457a;
  border-radius: 999px;
  padding: .12rem .6rem;
  font-size: .78rem;
  margin-right: .35rem;
}
.tag.soft { background: #f1f4f9; color: var(--muted); }

.box {
  display: inline-block;
  border-radius: 999px;
  padding: .08rem .55rem;
  font-size: .75rem;
  font-weight: 700;
}
.b1 { background: #fdecec; color: #b91c1c; }
.b2 { background: #fff2d9; color: #b45309; }
.b3 { background: #fff7c2; color: #857200; }
.b4 { background: #e3f6ec; color: #15803d; }
.b5 { background: #dcfce7; color: #166534; }

/* ---------- Formulare ---------- */

input[type="text"], input[type="search"], select {
  font: inherit;
  padding: .5rem .7rem;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus { outline: 2px solid #bcd0f7; border-color: var(--primary); }

.answer { width: 100%; max-width: 420px; display: inline-block; margin: .4rem 0; }

.quick-settings { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.quick-settings label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }

.check-row { display: flex; gap: .5rem; align-items: center; margin: .15rem 0; }
.check-row.small { font-size: .85rem; }

.inline-label { display: flex; flex-direction: column; gap: .2rem; font-size: .85rem; color: var(--muted); max-width: 340px; margin: .4rem 0; }

/* ---------- Frage & Feedback ---------- */

.session-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: .8rem;
}
.session-title { font-weight: 700; font-size: 1.05rem; }

.question .q-meta { margin-bottom: .5rem; }
.question .prompt {
  font-size: 1.7rem;
  font-weight: 700;
  margin: .6rem 0 .8rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.question .prompt.gq { font-size: 1.25rem; font-weight: 500; }
.gap { border-bottom: 2px solid var(--primary); padding: 0 .6rem; color: var(--primary); font-weight: 700; }

.mc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .6rem;
  margin: .6rem 0;
}
.btn.mc { text-align: left; padding: .75rem .9rem; font-size: 1.02rem; }
.btn.mc.mc-correct { background: var(--good-bg); border-color: var(--good); }
.btn.mc.mc-wrong { background: var(--bad-bg); border-color: var(--bad); }

.feedback {
  border-radius: 10px;
  padding: .8rem 1rem;
  margin: .7rem 0;
}
.feedback.good { background: var(--good-bg); border: 1.5px solid #b5e6c8; }
.feedback.bad { background: var(--bad-bg); border: 1.5px solid #f3c1c1; }
.fb-title { font-weight: 700; margin-bottom: .3rem; }
.fb-given, .fb-solution { margin: .15rem 0; }

/* ---------- Grammatik: Satzbau-Ordnen ---------- */

.order-target {
  min-height: 3rem;
  background: #f6f9fd;
  border: 2px dashed #c3d3ea;
  border-radius: 10px;
  padding: .5rem;
  margin: .6rem 0;
}
.order-pool { margin: .4rem 0 .8rem; }
.chip {
  display: inline-block;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: .35rem .7rem;
  margin: .2rem;
  cursor: pointer;
  font-size: 1rem;
}
.chip:hover { border-color: var(--primary); }
.chip.used { background: #e8eefb; border-color: var(--primary); }

/* ---------- Tabellen & Listen ---------- */

table.list { width: 100%; border-collapse: collapse; font-size: .93rem; }
table.list th, table.list td {
  text-align: left;
  padding: .45rem .5rem;
  border-bottom: 1px solid var(--line);
}
table.list th { color: var(--muted); font-weight: 600; font-size: .82rem; }
table.list tr:last-child td { border-bottom: none; }

.verbs td { vertical-align: top; }

/* ---------- Fortschritt ---------- */

.progress-row {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: .45rem 0;
}
.bar {
  flex: 1;
  height: 10px;
  background: #e7edf5;
  border-radius: 999px;
  overflow: hidden;
}
.fill { height: 100%; background: var(--primary); border-radius: 999px; transition: width .3s; }

.big-score { font-size: 3rem; font-weight: 800; margin: .4rem 0; }
.big-score.good { color: var(--good); }
.big-score.mid { color: #b45309; }
.big-score.bad { color: var(--bad); }

/* ---------- Tests: Auswahl ---------- */

.search-hits { max-height: 260px; overflow-y: auto; margin: .4rem 0; }
.lesson-pick { border-top: 1px solid var(--line); padding: .5rem 0; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.lesson-pick:first-of-type { border-top: none; }
.word-picks {
  width: 100%;
  background: #f6f9fd;
  border-radius: 8px;
  padding: .5rem .7rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: .15rem .8rem;
}
.level-head { margin: 1rem 0 .3rem; }

details.theory summary { cursor: pointer; color: var(--primary); font-weight: 600; }
.theory-text { padding: .5rem .2rem 0; font-size: .95rem; }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  header { padding: .5rem; }
  #nav button { padding: .4rem .55rem; font-size: .85rem; }
  .question .prompt { font-size: 1.35rem; }
  .mc-grid { grid-template-columns: 1fr; }
  table.list { font-size: .85rem; }
}