/* Shell-Layout für Notenzimmer */

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  background: var(--surface-page);
}

.shell-public { min-height: 100vh; position: relative; }

/* Sidebar */
.shell-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface-ink);
  color: var(--text-on-ink);
  display: flex;
  flex-direction: column;
  padding: 20px 14px 16px;
  border-right: 1px solid var(--surface-ink-deep);
}

.shell-brand {
  padding: 4px 8px 22px;
  color: var(--text-on-ink);
  font-size: 18px;
  text-decoration: none;
  display: block;
}
.shell-brand .nz-mark-glyph { background: var(--accent); }
.shell-brand .nz-mark-glyph::after { background: var(--accent); }

.shell-nav { flex: 1; display: flex; flex-direction: column; gap: 16px; overflow-y: auto; }

.shell-nav-group { display: flex; flex-direction: column; gap: 1px; }
.shell-nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-on-ink-muted);
  padding: 8px 8px 6px;
}
.shell-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  color: var(--text-on-ink);
  text-decoration: none;
  text-align: left;
  transition: background 100ms var(--ease);
  width: 100%;
  min-height: 40px;
}
.shell-nav-item:hover { background: rgba(255,255,255,0.05); }
.shell-nav-item.is-active {
  background: rgba(255,255,255,0.08);
  color: var(--accent);
}
.shell-nav-item svg { flex-shrink: 0; }
.shell-nav-tag {
  margin-left: auto;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-ink-muted);
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.06);
}

.shell-foot { padding-top: 12px; border-top: 1px solid var(--line-on-ink); }
.shell-foot-card {
  background: rgba(255,255,255,0.04);
  border-radius: var(--r-md);
  padding: 10px 12px;
}
.shell-foot-title { font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 2px; }
.shell-foot-body { font-size: 11.5px; color: var(--text-on-ink-muted); line-height: 1.4; }
.shell-foot-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--text-on-ink-muted);
  text-decoration: none;
  margin-top: 8px;
  transition: background 100ms;
  min-height: 36px;
  width: 100%;
  text-align: left;
}
.shell-foot-logout:hover { background: rgba(255,255,255,0.05); color: var(--text-on-ink); }

/* Main */
.shell-main {
  min-width: 0;
  background: var(--surface-page);
  position: relative;
}

/* Page Header (desktop screens) */
.page {
  padding: 28px 36px 60px;
  max-width: 1400px;
}
.page-wide { max-width: none; }

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
}
.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 6px;
  line-height: 1.1;
}
.page-subtitle { font-size: 14px; color: var(--text-secondary); margin: 0; }
.page-actions { display: flex; gap: 8px; }

/* Section heading inside pages */
.section-heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 12px;
}

/* Common patterns used across screens */

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; font-size: 14px; }
.kv dt { color: var(--text-tertiary); font-size: 13px; }
.kv dd { margin: 0; color: var(--text-primary); }

.divider { height: 1px; background: var(--line-soft); margin: 20px 0; border: 0; }

.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 40px; text-align: center; color: var(--text-tertiary);
  border: 1px dashed var(--line); border-radius: var(--r-lg); background: var(--surface-card);
}
.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.4;
}
.empty-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.empty-body {
  font-size: 14px;
  margin: 0 0 20px;
}

/* Avatar */
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 13px;
  font-family: var(--font-display);
  flex-shrink: 0;
}
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-moss { background: var(--moss-soft); color: oklch(38% 0.08 145); }
.avatar-rose { background: var(--rose-soft); color: oklch(42% 0.13 25); }
.avatar-ink { background: var(--surface-ink); color: var(--text-on-ink); }

/* Status dots */
.status-dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; }
.status-dot.ok { background: var(--moss); }
.status-dot.warn { background: var(--accent); }
.status-dot.bad { background: var(--rose); }
.status-dot.idle { background: var(--text-muted); }

/* SVG nav icons */
.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}
.shell-nav-item.is-active .nav-icon { opacity: 1; }

/* Bottom nav (mobile) — auf Desktop ausgeblendet, auf <=768px sichtbar
   (siehe Mobile-responsive Block weiter unten). */
.bottom-nav {
  display: none;
  position: sticky; bottom: 0;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface-card);
  border-top: 1px solid var(--line);
  padding: 8px 0 14px;
  z-index: 5;
}
.bottom-nav a, .bottom-nav button {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px;
  font-size: 10.5px;
  color: var(--text-tertiary);
  text-decoration: none;
}
.bottom-nav a.is-active, .bottom-nav button.is-active { color: var(--accent-strong); }

/* Print */
@media print {
  .shell-sidebar, .page-actions { display: none !important; }
  .shell { grid-template-columns: 1fr; }
  .page { padding: 0; }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .shell-sidebar {
    display: none;
  }
  .shell-main {
    padding-bottom: 72px;
  }
  .bottom-nav {
    display: grid;
  }
}

/* === Public / Login styles === */

.login-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.login-left {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 60px;
  background: var(--surface-page);
}
.login-card {
  width: 100%;
  max-width: 440px;
}
.login-h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 42px;
  letter-spacing: -0.02em;
  margin: 32px 0 8px;
}
.login-sub { color: var(--text-secondary); font-size: 16px; margin: 0; max-width: 380px; }

.login-forgot {
  font-size: 13px;
  color: var(--text-tertiary);
  text-decoration: none;
  display: block;
  margin-top: 8px;
  text-align: right;
}
.login-forgot:hover { color: var(--accent-strong); }

.login-foot {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 32px;
}
.login-foot a { color: var(--accent-strong); text-decoration: none; font-weight: 500; }

.login-right {
  position: relative;
  background: var(--surface-ink);
  color: var(--text-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  overflow: hidden;
}
.login-quote {
  max-width: 480px;
  position: relative;
  z-index: 2;
}
.login-quote-mark {
  font-family: var(--font-display);
  font-size: 120px;
  color: var(--accent);
  line-height: 0.6;
  margin-bottom: 16px;
}
.login-quote-text {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 32px;
  color: var(--text-on-ink);
}
.login-quote-by {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-deco-staff {
  width: 80%;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transform: rotate(-4deg);
}
.staff-line {
  height: 1px;
  background: var(--text-on-ink);
}

@media (max-width: 768px) {
  .login-page {
    grid-template-columns: 1fr;
  }
  .login-right {
    display: none;
  }
  .login-left {
    padding: 40px 24px;
  }
}

/* === Dashboard === */

.dash-greet {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-soft);
}
.dash-h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.dash-sub { font-size: 17px; color: var(--text-secondary); margin: 0; max-width: 700px; line-height: 1.5; }
.dash-sub strong { color: var(--text-primary); font-weight: 500; }
.dash-greet-actions { display: flex; gap: 8px; flex-shrink: 0; }

.dash-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .dash-grid { grid-template-columns: 1fr; }
}

.dash-card {
  background: var(--surface-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 24px;
}
.dash-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.dash-card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0;
}

.dash-link {
  font-size: 14px;
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 500;
}

/* Quick access cards */
.dash-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.dash-quick-card {
  background: var(--surface-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 24px 20px;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 100ms var(--ease);
  cursor: pointer;
}
.dash-quick-card:hover {
  background: var(--surface-raised);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.dash-quick-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--accent-soft);
  color: var(--accent-strong);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.dash-quick-label {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
}
.dash-quick-count {
  font-size: 32px;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}
.dash-quick-meta {
  font-size: 13px;
  color: var(--text-secondary);
}
.dash-quick-arrow {
  margin-top: auto;
  font-size: 13px;
  color: var(--accent-strong);
  font-weight: 500;
}

/* Next lesson empty state card */
.dash-next-empty {
  background: var(--surface-ink);
  color: var(--text-on-ink);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.dash-next-empty-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.dash-next-empty-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-on-ink);
  margin-bottom: 4px;
}
.dash-next-empty-body {
  font-size: 14px;
  color: var(--text-on-ink-muted);
}

/* Students in dash */
.dash-students-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.dash-student {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--r-md);
  text-align: left;
  transition: background 100ms;
  width: 100%;
  text-decoration: none;
  color: var(--text-primary);
}
.dash-student:hover { background: var(--line-soft); }
.dash-student-info { min-width: 0; }
.dash-student-name { font-weight: 500; font-size: 15px; }
.dash-student-meta { font-size: 13px; color: var(--text-tertiary); }

/* Stats row */
.dash-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-top: 20px;
}
.dash-stat-item {
  background: var(--surface-card);
  padding: 16px;
  text-align: center;
}
.dash-stat-label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.08em; }
.dash-stat-value { font-family: var(--font-display); font-size: 24px; font-weight: 500; }

/* === Schueler List / Detail / Form === */

.stud-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.stud-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 0 14px;
  flex: 1;
  min-width: 220px;
}
.stud-search-input {
  border: none; outline: none; background: transparent;
  padding: 12px 0;
  font-size: 15px;
  flex: 1;
  min-height: 44px;
  width: 100%;
}
.stud-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.stud-filter {
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--r-sm);
  background: var(--surface-card);
  border: 1px solid var(--line-soft);
  color: var(--text-secondary);
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 36px;
  text-decoration: none;
  cursor: pointer;
  transition: background 80ms;
}
.stud-filter:hover { background: var(--line-soft); }
.stud-filter.is-active { background: var(--surface-ink); color: var(--text-on-ink); border-color: transparent; }
.stud-filter-count {
  font-size: 11px;
  background: rgba(0,0,0,0.06);
  padding: 1px 6px;
  border-radius: 999px;
  color: inherit;
}
.stud-filter.is-active .stud-filter-count { background: rgba(255,255,255,0.18); }

.stud-table {
  background: var(--surface-raised);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.stud-table-head, .stud-row {
  display: grid;
  grid-template-columns: 2fr 1fr 100px 1.5fr 40px;
  gap: 16px;
  align-items: center;
  padding: 14px 20px;
  text-align: left;
  width: 100%;
}
.stud-table-head {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 600;
  background: var(--surface-card);
  border-bottom: 1px solid var(--line);
}
.stud-row {
  font-size: 15px;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background 80ms;
  text-decoration: none;
  color: var(--text-primary);
  display: grid;
}
.stud-row:last-child { border-bottom: 0; }
.stud-row:hover { background: var(--accent-soft); }
.stud-row-name { display: flex; align-items: center; gap: 12px; }
.stud-row-bundesland { color: var(--text-secondary); font-size: 14px; }
.stud-row-arrow { color: var(--text-tertiary); display: flex; align-items: center; justify-content: flex-end; }

/* Detail view */
.schueler-detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-soft);
  flex-wrap: wrap;
}
.schueler-detail-info { flex: 1; }
.schueler-detail-name {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.schueler-detail-meta { font-size: 16px; color: var(--text-secondary); }
.schueler-detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.schueler-sections {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}
@media (max-width: 900px) {
  .schueler-sections { grid-template-columns: 1fr; }
}

/* Eltern section */
.eltern-list { display: flex; flex-direction: column; gap: 8px; }
.eltern-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}
.eltern-item-info { flex: 1; min-width: 0; }
.eltern-item-name { font-weight: 500; font-size: 15px; }
.eltern-item-contact { font-size: 13px; color: var(--text-secondary); }
.eltern-item-rolle { flex-shrink: 0; }

/* Form */
.form-card {
  background: var(--surface-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 28px;
  margin-bottom: 20px;
}
.form-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) {
  .form-grid-2 { grid-template-columns: 1fr; }
}
.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
  padding-top: 24px;
}

/* Eltern nested form */
.eltern-nested-item {
  background: var(--surface-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: 16px;
  margin-bottom: 12px;
  position: relative;
}
.eltern-nested-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--rose-soft);
  color: oklch(42% 0.13 25);
  font-size: 14px;
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background 100ms;
}
.eltern-nested-remove:hover { background: var(--rose); color: white; }

.eltern-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-strong);
  padding: 8px 0;
  background: none;
  border: none;
  cursor: pointer;
}
.eltern-add-btn:hover { color: var(--accent); }

/* Hausaufgaben-Liste in Lesson-Show */
.ha-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}
.ha-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--surface-card);
}
.ha-item-text {
  white-space: pre-wrap;
  line-height: 1.5;
}
.ha-item-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}
.ha-item-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

/* Checkbox-Label fuer Forms (konsistent mit elternteils-Forms) */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary);
}

/* === Stundenplan: Mobile-Liste vs. Desktop-Wochenraster === */

.stundenplan-grid {
  display: none;
}
.stundenplan-liste {
  display: block;
}
@media (min-width: 768px) {
  .stundenplan-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
  }
  .stundenplan-liste {
    display: none;
  }
}

/* Pattern 2 Impersonation — Auffaelliges Banner, sticky am oberen Rand
   des Lehrer-UI, sobald Admin als Lehrer eingeloggt ist. Orange/Amber-
   Farbgebung signalisiert Warnung ohne in den Fehler-Bereich (rot) zu
   gehen — ist kein Fehler, nur ein temporaer-aktiver Zustand. */
.impersonation-banner {
  background: #fff4e6;
  border-bottom: 3px solid #ff9500;
  color: #7a3a00;
  padding: 12px 24px;
  text-align: center;
  font-weight: 500;
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.impersonation-banner .impersonation-banner-link,
.impersonation-banner-link {
  background: #c2410c;
  color: #fff;
  padding: 6px 14px;
  border: 0;
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
}

.impersonation-banner .impersonation-banner-link:hover,
.impersonation-banner-link:hover {
  background: #9a3309;
}