/* ==========================================================================
   Schulportal – gemeinsames Stylesheet
   Farbschema: Mintgrün
   ========================================================================== */

:root {
  --mint-50: #f0faf6;
  --mint-100: #dcf3e8;
  --mint-200: #b9e7d1;
  --mint-300: #8fdfc0;
  --mint-400: #5fcaa3;
  --mint-500: #3eb489;
  --mint-600: #2f9973;
  --mint-700: #237a5c;
  --mint-800: #1c5f48;

  --ink: #1f2d28;
  --ink-soft: #4b5f57;
  --white: #ffffff;

  --danger: #d9534f;
  --danger-bg: #fbe9e8;
  --success: #237a5c;
  --success-bg: #e3f6ec;

  --radius: 14px;
  --shadow: 0 2px 10px rgba(31, 45, 40, 0.08);
  --shadow-hover: 0 6px 20px rgba(31, 45, 40, 0.14);

  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, var(--mint-50) 0%, #ffffff 320px);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
}

a {
  color: var(--mint-700);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

img {
  max-width: 100%;
}

/* ---------- Layout ---------- */

.site-header {
  background: var(--mint-500);
  color: var(--white);
  padding: 1rem 1.25rem;
}

.site-header .header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand:hover,
.brand:focus-visible {
  text-decoration: none;
  opacity: 0.9;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 8px;
  background: var(--white);
  color: var(--mint-600);
  font-weight: 800;
  flex-shrink: 0;
}

.top-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-nav a {
  color: var(--white);
  font-weight: 600;
  opacity: 0.92;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  opacity: 1;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
}

.breadcrumbs {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.breadcrumbs a {
  color: var(--mint-700);
}

.breadcrumbs .sep {
  margin: 0 0.35rem;
  color: var(--mint-300);
}

.site-footer {
  text-align: center;
  padding: 2rem 1.25rem 3rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.site-version {
  display: inline-block;
  margin-top: 0.35rem;
  opacity: 0.7;
  font-size: 0.78rem;
}

/* ---------- Hero ---------- */

.hero {
  text-align: center;
  padding: 1.5rem 0 2.5rem;
}

.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin: 0 0 0.6rem;
  color: var(--mint-800);
}

.hero p {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Cards / grid ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card-grid.subjects {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  min-height: 100px;
}

a.card:hover,
a.card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--mint-300);
  text-decoration: none;
}

.card .card-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.card h2,
.card h3 {
  margin: 0;
  color: var(--mint-800);
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.card .tag {
  align-self: flex-start;
  margin-top: 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--mint-100);
  color: var(--mint-700);
}

.card.card-disabled {
  opacity: 0.6;
  box-shadow: none;
}

.card.subject-en {
  border-top: 4px solid var(--mint-500);
}

.card.subject-hi {
  border-top: 4px solid var(--mint-700);
}

/* ---------- Section titles ---------- */

.section-title {
  margin: 2rem 0 0.25rem;
  color: var(--mint-800);
  font-size: 1.3rem;
}

.section-lead {
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}

/* ---------- Placeholder / coming soon ---------- */

.placeholder-box {
  margin-top: 1.5rem;
  padding: 2rem 1.5rem;
  border: 2px dashed var(--mint-200);
  border-radius: var(--radius);
  text-align: center;
  color: var(--ink-soft);
  background: var(--mint-50);
}

.placeholder-box strong {
  display: block;
  color: var(--mint-700);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--mint-500);
  color: var(--white);
  transition: background 0.15s ease, transform 0.1s ease;
  min-height: 44px;
  touch-action: manipulation;
}

.btn:hover,
.btn:focus-visible {
  background: var(--mint-600);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  background: var(--mint-200);
  cursor: not-allowed;
}

.btn.btn-secondary {
  background: var(--white);
  color: var(--mint-700);
  border: 2px solid var(--mint-300);
}

.btn.btn-secondary:hover,
.btn.btn-secondary:focus-visible {
  background: var(--mint-50);
}

/* ---------- Quiz ---------- */

.quiz-shell {
  margin-top: 1.25rem;
}

.quiz-summary {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--mint-50);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.9rem 1.25rem;
  margin-bottom: 1.25rem;
}

.quiz-summary .quiz-summary-text {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mint-800);
  margin-bottom: 0.5rem;
}

.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.quiz-item {
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  scroll-margin-top: 5rem;
}

.quiz-item.is-answered.is-correct {
  border-color: var(--success);
}

.quiz-item.is-answered.is-incorrect {
  border-color: var(--danger);
}

.quiz-submit-bar {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.quiz-submit-bar p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.quiz-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.quiz-meta .quiz-topic {
  font-weight: 700;
  color: var(--mint-700);
  background: var(--mint-100);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: var(--mint-100);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.progress-fill {
  height: 100%;
  background: var(--mint-500);
  border-radius: 999px;
  transition: width 0.25s ease;
}

.quiz-question {
  font-size: 1.15rem;
  margin: 0 0 1.1rem;
  color: var(--ink);
}

.quiz-question code {
  background: var(--mint-50);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-align: left;
  border: 2px solid var(--mint-100);
  background: var(--mint-50);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--ink);
  cursor: pointer;
  min-height: 48px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.quiz-option:hover,
.quiz-option:focus-visible {
  border-color: var(--mint-400);
}

.quiz-option.selected {
  border-color: var(--mint-500);
  background: var(--mint-100);
}

.quiz-option.correct {
  border-color: var(--success);
  background: var(--success-bg);
}

.quiz-option.incorrect {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.quiz-option .opt-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--mint-300);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.quiz-fill {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.quiz-fill input[type="text"],
.quiz-gate-fields input[type="text"],
.admin-login input[type="text"],
.admin-login input[type="password"] {
  flex: 1 1 220px;
  font-size: 1.05rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--mint-200);
  border-radius: 12px;
  min-height: 48px;
  font-family: inherit;
  color: var(--ink);
}

.quiz-fill input[type="text"]:focus-visible,
.quiz-gate-fields input[type="text"]:focus-visible,
.admin-login input:focus-visible {
  outline: none;
  border-color: var(--mint-500);
}

.quiz-fill input.correct {
  border-color: var(--success);
  background: var(--success-bg);
}

.quiz-fill input.incorrect {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.quiz-feedback {
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  display: none;
}

.quiz-feedback.show {
  display: block;
}

.quiz-feedback.correct {
  background: var(--success-bg);
  color: var(--success);
}

.quiz-feedback.incorrect {
  background: var(--danger-bg);
  color: var(--danger);
}

.quiz-feedback .fb-title {
  font-weight: 700;
  display: block;
  margin-bottom: 0.15rem;
}

.quiz-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ---------- Result screen ---------- */

.result-box {
  text-align: center;
}

.result-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--mint-600);
  margin: 0.5rem 0;
}

.result-topics {
  text-align: left;
  margin: 1.5rem auto 0;
  max-width: 480px;
  display: grid;
  gap: 0.5rem;
}

.result-topic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--mint-50);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
}

.result-topic-row span.count {
  font-weight: 700;
  color: var(--mint-700);
}

/* ---------- Quiz-Gate (Name / Klasse) ---------- */

.quiz-gate {
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  text-align: center;
  max-width: 480px;
  margin: 1.25rem auto 0;
}

.quiz-gate h2 {
  margin: 0 0 0.5rem;
  color: var(--mint-800);
  font-size: 1.2rem;
}

.quiz-gate p {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

.quiz-gate-fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.quiz-gate-error {
  color: var(--danger);
  font-size: 0.9rem;
  min-height: 1.2em;
  margin: 0 0 0.75rem;
}

/* ---------- Admin-Bereich ---------- */

.admin-login {
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  max-width: 420px;
  margin: 1.25rem auto 0;
  text-align: center;
}

.admin-login .quiz-gate-fields {
  margin-top: 1rem;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.admin-toolbar select,
.admin-toolbar input[type="search"] {
  padding: 0.6rem 0.9rem;
  border: 2px solid var(--mint-200);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--ink);
  min-height: 42px;
}

.admin-toolbar .admin-spacer {
  flex: 1;
}

.admin-summary {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.admin-table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 640px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--mint-100);
  vertical-align: top;
}

.admin-table th {
  background: var(--mint-50);
  color: var(--mint-800);
  font-weight: 700;
  position: sticky;
  top: 0;
}

.admin-table tbody tr:hover {
  background: var(--mint-50);
}

.admin-score {
  font-weight: 700;
}

.admin-score.good {
  color: var(--success);
}

.admin-score.bad {
  color: var(--danger);
}

.admin-details-toggle {
  background: none;
  border: none;
  color: var(--mint-700);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  font-size: 0.88rem;
}

.admin-details-toggle:hover {
  text-decoration: underline;
}

.admin-detail-row td {
  background: var(--mint-50);
}

.admin-answer-list {
  display: grid;
  gap: 0.4rem;
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
}

.admin-answer-item {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: var(--white);
  border-left: 3px solid var(--mint-300);
}

.admin-answer-item.wrong {
  border-left-color: var(--danger);
}

.admin-answer-item .topic {
  font-weight: 700;
  color: var(--mint-700);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

@media (max-width: 560px) {
  .site-header .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-actions {
    justify-content: stretch;
  }

  .quiz-actions .btn {
    flex: 1;
  }

  .result-score {
    font-size: 2.4rem;
  }
}