/* ==========================================================================
   Passwortportal – Gymnasium Hartberg
   theme.css  ·  framework-unabhängig, kein Bootstrap nötig
   Markenbasis: gym-hartberg.ac.at (Avada-Theme, globale Farben/Schrift),
   Logo-Blau #3da4cd / Seiten-Blau #3ca3cb, Grün #78b442, Orange #ef983d,
   warme Grautöne #f7f5f4 / #e7e4e2, Schrift "Open Sans".
   Alle Text-/Hintergrund-Paare WCAG 2.1 AA geprüft (siehe design-brief.md).

   Einbindung (Blazor, App.razor <head>):
     <link rel="stylesheet" href="css/theme.css" />
   Schrift: Open Sans selbst gehostet (DSGVO), @font-face unten.
   Theme erzwingen: <html data-theme="light|dark">, sonst Systemeinstellung.
   ========================================================================== */

/* --- Schrift: Open Sans, selbst gehostet (SIL OFL, siehe ../fonts/OFL.txt) --- */
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/open-sans-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/open-sans-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/open-sans-latin-ext-700-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/open-sans-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/open-sans-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/open-sans-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }

:root {
  color-scheme: light;

  /* Marke (dekorativ – NICHT für Text auf Weiß, nur 2,9:1) */
  --c-brand: #3ca3cb;          /* Schul-Blau, Topbar, Akzentlinien */
  --c-brand-ink: #00070f;      /* Text auf --c-brand (7,0:1) */
  --c-accent-green: #78b442;   /* dekorativ: Erfolgs-Linien, Icons */
  --c-accent-orange: #ef983d;  /* dekorativ: Trennlinie unter Überschriften */

  /* Interaktion (abgedunkeltes Schul-Blau, AA-tauglich) */
  --c-primary: #1f6f8f;        /* 5,6:1 auf Weiß */
  --c-primary-hover: #175a76;  /* 7,6:1 */
  --c-primary-active: #124a62;
  --c-on-primary: #ffffff;
  --c-primary-subtle: #e8f4f9;
  --c-primary-subtle-text: #1a6585;
  --c-link: var(--c-primary);

  /* Flächen */
  --c-bg: #f7f5f4;             /* warmes Grau der Schulwebsite */
  --c-surface: #ffffff;
  --c-surface-2: #faf9f8;
  --c-surface-sunken: #f2f1f0;
  --c-border: #e7e4e2;         /* dekorativ: Karten, Tabellenlinien */
  --c-border-strong: #8a8785;  /* Formularfelder, 3,6:1 (Nicht-Text ≥ 3:1) */

  /* Text */
  --c-text-strong: #00070f;    /* Überschriften, 20:1 */
  --c-text: #4a5259;           /* Fließtext der Schulwebsite, 8,0:1 */
  --c-text-muted: #5f6870;     /* Hilfetexte, 5,7:1 */

  /* Status: Text / Fläche / Rand */
  --c-success: #2f6413; --c-success-bg: #eef6e7; --c-success-border: #78b442;
  --c-warning: #7a4300; --c-warning-bg: #fdf3e7; --c-warning-border: #ef983d;
  --c-danger:  #a3201a; --c-danger-bg:  #fdecea; --c-danger-border:  #d0453d;
  --c-info:    #1a6585; --c-info-bg:    #e8f4f9; --c-info-border:    #3ca3cb;
  --c-danger-solid: #b3261e; --c-on-danger: #ffffff;

  --c-focus: #1f6f8f;
  --c-focus-offset: #ffffff;
  --c-overlay: rgb(0 7 15 / 0.5);

  /* Typografie */
  --font-sans: "Open Sans", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Consolas", "DejaVu Sans Mono", "Liberation Mono", monospace;
  --fs-xs: 0.75rem;   /* 12 */
  --fs-sm: 0.875rem;  /* 14 */
  --fs-base: 1rem;    /* 16 */
  --fs-md: 1.125rem;  /* 18 – Eltern-Fließtext mobil */
  --fs-lg: 1.375rem;  /* 22 */
  --fs-xl: 1.75rem;   /* 28 */
  --fs-2xl: 2.25rem;  /* 36 */
  --lh-tight: 1.25;
  --lh-base: 1.5;
  --fw-regular: 400; --fw-semibold: 600; --fw-bold: 700;
  --tracking-caps: 0.06em;

  /* Abstände (4-px-Raster) */
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.25rem; --sp-6: 1.5rem; --sp-8: 2rem; --sp-10: 2.5rem;
  --sp-12: 3rem; --sp-16: 4rem;

  /* Form */
  --radius-sm: 2px;   /* Schulwebsite: fast eckig */
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgb(0 7 15 / 0.06);
  --shadow: 0 2px 8px rgb(0 7 15 / 0.08);
  --shadow-lg: 0 12px 32px rgb(0 7 15 / 0.14);
  --control-h: 2.75rem;  /* 44 px Touch-Ziel */
  --topbar-h: 0.375rem;
  --sidebar-w: 15.5rem;
  --parent-w: 30rem;     /* 480 px */
  --transition: 150ms ease;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --c-primary: #5fbde2; --c-primary-hover: #82cdea; --c-primary-active: #a6dcf0;
    --c-on-primary: #00070f;
    --c-primary-subtle: #12303d; --c-primary-subtle-text: #a6dcf0;
    --c-link: #7fcbe8;
    --c-bg: #0d1317; --c-surface: #151d23; --c-surface-2: #1b252c; --c-surface-sunken: #10171c;
    --c-border: #2a3740; --c-border-strong: #6f808c;
    --c-text-strong: #f2f5f7; --c-text: #d3dbe0; --c-text-muted: #9aa8b2;
    --c-success: #a6d98a; --c-success-bg: #17260f; --c-success-border: #5c8f35;
    --c-warning: #f5bf7f; --c-warning-bg: #2e2010; --c-warning-border: #b8712a;
    --c-danger:  #ff9d94; --c-danger-bg:  #351614; --c-danger-border:  #c2483f;
    --c-info:    #a6dcf0; --c-info-bg:    #12303d; --c-info-border:    #3ca3cb;
    --c-danger-solid: #ef7f75; --c-on-danger: #00070f;
    --c-focus: #5fbde2; --c-focus-offset: #0d1317;
    --c-overlay: rgb(0 0 0 / 0.65);
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
    --shadow: 0 2px 8px rgb(0 0 0 / 0.45);
    --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.55);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --c-primary: #5fbde2; --c-primary-hover: #82cdea; --c-primary-active: #a6dcf0;
  --c-on-primary: #00070f;
  --c-primary-subtle: #12303d; --c-primary-subtle-text: #a6dcf0;
  --c-link: #7fcbe8;
  --c-bg: #0d1317; --c-surface: #151d23; --c-surface-2: #1b252c; --c-surface-sunken: #10171c;
  --c-border: #2a3740; --c-border-strong: #6f808c;
  --c-text-strong: #f2f5f7; --c-text: #d3dbe0; --c-text-muted: #9aa8b2;
  --c-success: #a6d98a; --c-success-bg: #17260f; --c-success-border: #5c8f35;
  --c-warning: #f5bf7f; --c-warning-bg: #2e2010; --c-warning-border: #b8712a;
  --c-danger:  #ff9d94; --c-danger-bg:  #351614; --c-danger-border:  #c2483f;
  --c-info:    #a6dcf0; --c-info-bg:    #12303d; --c-info-border:    #3ca3cb;
  --c-danger-solid: #ef7f75; --c-on-danger: #00070f;
  --c-focus: #5fbde2; --c-focus-offset: #0d1317;
  --c-overlay: rgb(0 0 0 / 0.65);
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow: 0 2px 8px rgb(0 0 0 / 0.45);
  --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.55);
}

/* ==========================================================================
   Basis
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { color: var(--c-text-strong); line-height: var(--lh-tight); margin: 0 0 var(--sp-3); font-weight: var(--fw-bold); }
h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
p { margin: 0 0 var(--sp-4); }
a { color: var(--c-link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
code, kbd, samp, .mono { font-family: var(--font-mono); }
img, svg { max-width: 100%; }
hr { border: 0; border-top: 1px solid var(--c-border); margin: var(--sp-6) 0; }
small, .text-sm { font-size: var(--fs-sm); }
.text-muted { color: var(--c-text-muted); }
.text-strong { color: var(--c-text-strong); font-weight: var(--fw-semibold); }

/* Fokus – überall sichtbar, nur bei Tastatur */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--c-focus-offset);
}

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--sp-4); top: -100px; z-index: 100;
  background: var(--c-surface); color: var(--c-link); padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.skip-link:focus { top: var(--sp-4); }

/* Überschrift mit Orange-Akzent (Trennlinie wie auf der Schulwebsite) */
.heading-accent::after {
  content: ""; display: block; width: 3rem; height: 3px; margin-top: var(--sp-3);
  background: var(--c-accent-orange); border-radius: 2px;
}
.eyebrow {
  font-size: var(--fs-xs); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-caps);
  text-transform: uppercase; color: var(--c-text-muted); margin: 0 0 var(--sp-1);
}

/* Logo – im Dunkelmodus auf heller Plakette (schwarze Linien im Original-SVG) */
.brand-logo { display: inline-flex; align-items: center; line-height: 0; }
.brand-logo img { height: 4.5rem; width: auto; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-logo { background: #fff; padding: 0.375rem 0.625rem; border-radius: var(--radius-lg); }
}
:root[data-theme="dark"] .brand-logo { background: #fff; padding: 0.375rem 0.625rem; border-radius: var(--radius-lg); }

/* Blaue Topbar wie auf gym-hartberg.ac.at */
.topbar { height: var(--topbar-h); background: var(--c-brand); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-height: var(--control-h); padding: 0 var(--sp-5);
  font: inherit; font-size: var(--fs-sm); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-caps); text-transform: uppercase; text-decoration: none;
  line-height: 1.2; white-space: nowrap;
  color: var(--c-text-strong); background: var(--c-surface);
  border: 1px solid var(--c-border-strong); border-radius: var(--radius);
  cursor: pointer; user-select: none;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}
.btn:hover { background: var(--c-surface-sunken); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 1.125rem; height: 1.125rem; flex: none; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

.btn-primary { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-on-primary); }
.btn-primary:hover { background: var(--c-primary-hover); border-color: var(--c-primary-hover); }
.btn-primary:active { background: var(--c-primary-active); border-color: var(--c-primary-active); }

.btn-secondary { background: transparent; border-color: var(--c-primary); color: var(--c-link); }
.btn-secondary:hover { background: var(--c-primary-subtle); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--c-link); }
.btn-ghost:hover { background: var(--c-primary-subtle); }

.btn-danger { background: var(--c-danger-solid); border-color: var(--c-danger-solid); color: var(--c-on-danger); }
.btn-danger:hover { filter: brightness(0.92); background: var(--c-danger-solid); }

.btn-sm { min-height: 2.25rem; padding: 0 var(--sp-3); font-size: var(--fs-xs); }
.btn-block { display: flex; width: 100%; }
.btn-link { all: unset; color: var(--c-link); text-decoration: underline; cursor: pointer; font: inherit; }
.btn-link:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; }

/* Ladezustand: <button class="btn btn-primary is-loading" aria-busy="true"> */
.btn.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  border: 2px solid var(--c-on-primary); border-right-color: transparent;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }

/* ==========================================================================
   Formulare
   <div class="field">
     <label for="x">Label</label>
     <p class="field-hint" id="x-hint">…</p>
     <input id="x" aria-describedby="x-hint x-error">
     <p class="field-error" id="x-error">…</p>
   </div>
   Fehlerzustand: .field.is-invalid + aria-invalid="true"
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: var(--sp-1); margin-bottom: var(--sp-5); }
.field > label, .field-label { font-weight: var(--fw-semibold); color: var(--c-text-strong); font-size: var(--fs-base); }
.field-hint { margin: 0; font-size: var(--fs-sm); color: var(--c-text-muted); }
.field-error {
  margin: 0; font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--c-danger);
  display: flex; gap: var(--sp-1); align-items: flex-start;
}
.field-error::before { content: "!"; display: inline-grid; place-items: center; flex: none;
  width: 1.1rem; height: 1.1rem; margin-top: 0.1rem; border-radius: 50%;
  background: var(--c-danger); color: var(--c-surface); font-size: 0.75rem; font-weight: var(--fw-bold); }
.field:not(.is-invalid) .field-error { display: none; }

.input, .select, .textarea,
.field input:not([type="checkbox"]):not([type="radio"]), .field select, .field textarea {
  width: 100%; min-height: var(--control-h); padding: var(--sp-2) var(--sp-3);
  font: inherit; font-size: var(--fs-base); color: var(--c-text-strong);
  background: var(--c-surface); border: 1px solid var(--c-border-strong); border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--c-text-muted); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible,
.input:focus-visible, .select:focus-visible {
  outline: none; border-color: var(--c-focus); box-shadow: 0 0 0 3px var(--c-focus);
}
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea,
[aria-invalid="true"] { border-color: var(--c-danger); border-width: 2px; }
.field input::placeholder { color: var(--c-text-muted); opacity: 1; }
.field input[readonly] { background: var(--c-surface-sunken); }
.input-mono, .field input.input-mono { font-family: var(--font-mono); letter-spacing: 0.04em; }

/* Passwortfeld mit Anzeigen-Knopf */
.input-group { display: flex; align-items: stretch; }
.input-group > input { border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; flex: 1; min-width: 0; }
.input-group > .btn { border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: -1px; text-transform: none; letter-spacing: 0; font-size: var(--fs-sm); }

.check { display: flex; gap: var(--sp-3); align-items: flex-start; min-height: var(--control-h); padding-top: var(--sp-2); cursor: pointer; }
.check input { width: 1.25rem; height: 1.25rem; margin: 0.15rem 0 0; accent-color: var(--c-primary); flex: none; }

/* Passwort-Regeln als Checkliste */
.pw-rules { list-style: none; margin: var(--sp-2) 0 0; padding: 0; font-size: var(--fs-sm); color: var(--c-text-muted); display: grid; gap: var(--sp-1); }
.pw-rules li { display: flex; gap: var(--sp-2); align-items: center; }
.pw-rules li::before { content: "○"; width: 1rem; text-align: center; }
.pw-rules li.is-met { color: var(--c-success); }
.pw-rules li.is-met::before { content: "✓"; font-weight: var(--fw-bold); }

/* Suche/Filter-Leiste */
.toolbar { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: flex-end; margin-bottom: var(--sp-4); }
.toolbar .field { margin: 0; }
.toolbar .grow { flex: 1 1 16rem; }

/* ==========================================================================
   Meldungen
   <div class="alert alert-success" role="status">…</div>
   Fehler: role="alert"
   ========================================================================== */
.alert {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  padding: var(--sp-4); margin-bottom: var(--sp-5);
  border: 1px solid var(--c-info-border); border-left-width: 5px; border-radius: var(--radius);
  background: var(--c-info-bg); color: var(--c-info);
}
.alert > svg { flex: none; width: 1.375rem; height: 1.375rem; margin-top: 0.05rem; }
.alert-title { display: block; font-weight: var(--fw-bold); margin-bottom: var(--sp-1); }
.alert p { margin: 0; }
.alert p + p { margin-top: var(--sp-2); }
.alert a { color: inherit; font-weight: var(--fw-semibold); }
.alert-success { background: var(--c-success-bg); border-color: var(--c-success-border); color: var(--c-success); }
.alert-warning { background: var(--c-warning-bg); border-color: var(--c-warning-border); color: var(--c-warning); }
.alert-danger  { background: var(--c-danger-bg);  border-color: var(--c-danger-border);  color: var(--c-danger); }
.alert-info    { background: var(--c-info-bg);    border-color: var(--c-info-border);    color: var(--c-info); }

/* ==========================================================================
   Karten
   ========================================================================== */
.card {
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); padding: var(--sp-6);
}
.card + .card { margin-top: var(--sp-5); }
.card-header { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; justify-content: space-between; margin-bottom: var(--sp-4); }
.card-header h2, .card-header h3 { margin: 0; }
.card-footer { margin-top: var(--sp-6); padding-top: var(--sp-4); border-top: 1px solid var(--c-border); }
.card-flush { padding: 0; overflow: hidden; }
.card-accent { border-top: 4px solid var(--c-brand); }

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 0.35em; white-space: nowrap;
  padding: 0.125rem 0.5rem; border-radius: 999px; border: 1px solid transparent;
  font-size: var(--fs-xs); font-weight: var(--fw-semibold); line-height: 1.5;
  background: var(--c-surface-sunken); color: var(--c-text); border-color: var(--c-border);
}
.badge::before { content: ""; width: 0.5em; height: 0.5em; border-radius: 50%; background: currentColor; }
.badge-plain::before { display: none; }
.badge-success { background: var(--c-success-bg); color: var(--c-success); border-color: var(--c-success-border); }
.badge-warning { background: var(--c-warning-bg); color: var(--c-warning); border-color: var(--c-warning-border); }
.badge-danger  { background: var(--c-danger-bg);  color: var(--c-danger);  border-color: var(--c-danger-border); }
.badge-info    { background: var(--c-info-bg);    color: var(--c-info);    border-color: var(--c-info-border); }

/* ==========================================================================
   Tabellen
   <div class="table-wrap" role="region" aria-label="…" tabindex="0"><table class="table">
   ========================================================================== */
.table-wrap { overflow-x: auto; border: 1px solid var(--c-border); border-radius: var(--radius-lg); background: var(--c-surface); }
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table caption { text-align: left; padding: var(--sp-3) var(--sp-4); color: var(--c-text-muted); caption-side: bottom; }
.table th, .table td { padding: var(--sp-3) var(--sp-4); text-align: left; vertical-align: middle; border-bottom: 1px solid var(--c-border); }
.table thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--c-surface-2); color: var(--c-text-strong);
  font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: var(--tracking-caps); text-transform: uppercase;
  white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--c-surface-2); }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table .col-actions { text-align: right; white-space: nowrap; }
.table .mono { font-size: var(--fs-sm); color: var(--c-text-strong); }
.table th[aria-sort] button { all: unset; cursor: pointer; display: inline-flex; gap: var(--sp-1); align-items: center; }
.table th[aria-sort] button:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; }
.table th[aria-sort="ascending"] button::after { content: "▲"; font-size: 0.7em; }
.table th[aria-sort="descending"] button::after { content: "▼"; font-size: 0.7em; }
.table tr.row-error td { background: var(--c-danger-bg); }
.table tr.row-error td:first-child { box-shadow: inset 4px 0 0 var(--c-danger-border); }

.pagination { display: flex; gap: var(--sp-2); align-items: center; justify-content: space-between; flex-wrap: wrap; padding: var(--sp-3) var(--sp-4); font-size: var(--fs-sm); color: var(--c-text-muted); border-top: 1px solid var(--c-border); }

.empty-state { text-align: center; padding: var(--sp-12) var(--sp-6); color: var(--c-text-muted); }
.empty-state h3 { color: var(--c-text-strong); }

/* Zusammenfassungs-Kacheln (z. B. CSV-Import-Ergebnis) */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: var(--sp-3); margin-bottom: var(--sp-5); }
.stat { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: var(--sp-4); }
.stat-value { display: block; font-size: var(--fs-xl); font-weight: var(--fw-bold); color: var(--c-text-strong); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-label { font-size: var(--fs-sm); color: var(--c-text-muted); }

/* ==========================================================================
   Geheimnis-Anzeige (Passwort / bootstrap-Befehl) mit Kopieren-Knopf
   <div class="secret">
     <span class="secret-label" id="pw-l">Passwort</span>
     <div class="secret-row">
       <output class="secret-value" aria-labelledby="pw-l">…</output>
       <button class="btn btn-secondary btn-sm" data-copied-text="Kopiert">Kopieren</button>
     </div>
   </div>
   ========================================================================== */
.secret {
  background: var(--c-surface-sunken); border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius); padding: var(--sp-3) var(--sp-4); margin-bottom: var(--sp-4);
}
.secret-label { display: block; font-size: var(--fs-xs); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--c-text-muted); margin-bottom: var(--sp-1); }
.secret-row { display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }
.secret-value {
  flex: 1 1 12rem; min-width: 0; font-family: var(--font-mono); color: var(--c-text-strong);
  font-size: var(--fs-lg); letter-spacing: 0.08em; word-break: break-all; user-select: all;
}
.secret-value .grp + .grp { margin-left: 0.4em; } /* Passwort in 4er-Gruppen */
.secret-code .secret-value { font-size: var(--fs-sm); letter-spacing: 0; white-space: pre-wrap; word-break: normal; overflow-wrap: anywhere; line-height: 1.6; }
.card h3 { margin: var(--sp-5) 0 var(--sp-2); font-size: var(--fs-md, 1rem); }
.card h3:first-of-type { margin-top: var(--sp-4); }
.copy-value { display: inline-block; margin-right: var(--sp-3); overflow-wrap: anywhere; font-size: var(--fs-sm); }
.secret .btn.is-copied { background: var(--c-success-bg); border-color: var(--c-success-border); color: var(--c-success); }

/* Countdown / „nur jetzt sichtbar" */
.once-banner { display: flex; gap: var(--sp-3); align-items: center; font-weight: var(--fw-semibold); }

/* ==========================================================================
   Layout Eltern: schmal, zentriert, mobil zuerst
   <body class="page-parent"> <div class="topbar"></div>
     <header class="parent-header">Logo</header>
     <main class="parent-main"><div class="card">…</div></main>
     <footer class="parent-footer">…</footer>
   ========================================================================== */
.page-parent { min-height: 100vh; display: flex; flex-direction: column; font-size: var(--fs-md); }
.page-parent .parent-header { display: flex; justify-content: center; padding: var(--sp-6) var(--sp-4) var(--sp-4); }
.page-parent .brand-logo { display: inline-flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap; justify-content: center; text-decoration: none; }
.page-parent .brand-name { font-size: var(--fs-lg); font-weight: var(--fw-bold); color: var(--c-text-strong); }
.page-parent .session { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); font-size: var(--fs-base); }
.page-parent .inline-form { margin: 0; }
.page-parent .card + .card { margin-top: var(--sp-5); }
.page-parent .parent-main { flex: 1; width: 100%; max-width: var(--parent-w); margin: 0 auto; padding: 0 var(--sp-4) var(--sp-8); }
.page-parent .card { padding: var(--sp-6) var(--sp-5); }
.page-parent h1 { font-size: var(--fs-xl); }
.page-parent .lead { color: var(--c-text); margin-bottom: var(--sp-6); }
.page-parent .field-hint, .page-parent .field-error { font-size: var(--fs-base); }
.page-parent .btn { font-size: var(--fs-base); min-height: 3rem; }
.page-parent .parent-links { margin-top: var(--sp-5); text-align: center; font-size: var(--fs-base); }
.page-parent .parent-links a { display: inline-block; padding: var(--sp-2); }
.page-parent .parent-footer { text-align: center; padding: var(--sp-6) var(--sp-4); font-size: var(--fs-sm); color: var(--c-text-muted); border-top: 1px solid var(--c-border); background: var(--c-surface); }
.page-parent .parent-footer a { color: var(--c-text-muted); }
@media (min-width: 640px) {
  .page-parent .parent-header { padding-top: var(--sp-10); }
  .page-parent .card { padding: var(--sp-8); }
}

/* Admin-Anmeldung: Einrichtung des zweiten Faktors (QR-Code als eingebettetes SVG) */
.page-parent .steps { padding-left: var(--sp-5); margin: 0 0 var(--sp-5); }
.page-parent .steps li { margin-bottom: var(--sp-3); }
.qr { width: min(15rem, 100%); margin: var(--sp-3) 0; padding: var(--sp-2); background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); }
.qr svg { display: block; width: 100%; height: auto; }
.qr-key { display: block; margin-top: var(--sp-2); font-weight: var(--fw-semibold); color: var(--c-text-strong); word-break: break-all; }

/* Schritt-Hinweis (z. B. "gilt spätestens ab morgen 06:00 Uhr") */
.timing-note { display: flex; gap: var(--sp-3); align-items: center; padding: var(--sp-3) var(--sp-4); border-radius: var(--radius); background: var(--c-primary-subtle); color: var(--c-primary-subtle-text); font-size: var(--fs-base); margin-bottom: var(--sp-5); }
.timing-note svg { flex: none; width: 1.5rem; height: 1.5rem; }

/* ==========================================================================
   Layout Admin: Seitenleiste + Inhalt
   <body class="layout-admin">
     <a class="skip-link" href="#main">Zum Inhalt springen</a>
     <aside class="admin-sidebar">…<nav class="admin-nav"><a aria-current="page">…</a></nav></aside>
     <div class="admin-body"><header class="admin-topbar">…</header><main id="main" class="admin-main">…</main></div>
   ========================================================================== */
.layout-admin { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
.admin-sidebar {
  background: var(--c-surface); border-bottom: 1px solid var(--c-border);
  border-top: var(--topbar-h) solid var(--c-brand);
  display: flex; flex-direction: column; min-width: 0;
}
.admin-sidebar .sidebar-brand { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4); }
.admin-sidebar .sidebar-brand img { height: 3rem; width: auto; }
.sidebar-app-name { font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--c-text-strong); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.admin-nav { display: flex; gap: var(--sp-1); overflow-x: auto; padding: 0 var(--sp-3) var(--sp-3); }
.admin-nav a {
  display: flex; align-items: center; gap: var(--sp-3); white-space: nowrap;
  min-height: 2.75rem; padding: 0 var(--sp-3); border-radius: var(--radius);
  color: var(--c-text); text-decoration: none; font-size: var(--fs-sm); font-weight: var(--fw-semibold);
}
.admin-nav a svg { width: 1.25rem; height: 1.25rem; flex: none; opacity: 0.85; }
.admin-nav a:hover { background: var(--c-surface-sunken); color: var(--c-text-strong); }
.admin-nav a[aria-current="page"] { background: var(--c-primary-subtle); color: var(--c-primary-subtle-text); box-shadow: inset 3px 0 0 var(--c-primary); }
.admin-nav .nav-section { display: none; }
.sidebar-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; padding: var(--sp-3) var(--sp-4); border-top: 1px solid var(--c-border); font-size: var(--fs-sm); }
.sidebar-footer .inline-form { margin: 0; }
.sidebar-user { margin: 0; display: flex; flex-direction: column; color: var(--c-text); }
.sidebar-version { flex-basis: 100%; margin: 0; color: var(--c-text-muted); font-size: var(--fs-xs); }
.sidebar-method { color: var(--c-text-muted); font-size: var(--fs-xs); }
.admin-body { min-width: 0; display: flex; flex-direction: column; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; padding: var(--sp-5) var(--sp-4) 0; }
.admin-topbar h1 { margin: 0; font-size: var(--fs-xl); }
.breadcrumb { font-size: var(--fs-sm); color: var(--c-text-muted); margin-bottom: var(--sp-1); }
.breadcrumb a { color: var(--c-text-muted); }
.admin-main { padding: var(--sp-5) var(--sp-4) var(--sp-12); }
.admin-main > .narrow { max-width: 46rem; }
.admin-main > .narrow + .narrow { margin-top: var(--sp-5); }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-5); }
.page-header h1 { margin: 0; font-size: var(--fs-xl); }
.detail-list { display: grid; grid-template-columns: max-content 1fr; gap: var(--sp-2) var(--sp-5); margin: 0; }
.detail-list dt { color: var(--c-text-muted); font-weight: var(--fw-semibold); }
.detail-list dd { margin: 0; color: var(--c-text-strong); }
.admin-main > .narrow > .card + .card, .admin-main > .narrow > .alert + .card, .admin-main > .narrow > .card + .alert { margin-top: var(--sp-4); }
.check + .btn-row, .field + .btn-row, .admin-main > .narrow > .btn-row, .admin-main > .btn-row { margin-top: var(--sp-4); }
.table td.nowrap { white-space: nowrap; }
.admin-main > h2 { margin: var(--sp-6) 0 var(--sp-3); font-size: var(--fs-lg); }

@media (min-width: 1024px) {
  .layout-admin { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); grid-template-rows: auto; }
  .admin-sidebar .sidebar-brand img { height: 4rem; }
  .admin-sidebar { position: sticky; top: 0; height: 100vh; border-bottom: 0; border-right: 1px solid var(--c-border); }
  .admin-sidebar .sidebar-brand { flex-direction: column; align-items: flex-start; padding: var(--sp-6) var(--sp-5) var(--sp-5); }
  .admin-nav { flex-direction: column; overflow: visible; padding: 0 var(--sp-3); flex: 1; }
  .admin-nav .nav-section { display: block; margin: var(--sp-5) var(--sp-3) var(--sp-1); font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--c-text-muted); }
  .sidebar-footer { display: flex; flex-direction: column; align-items: flex-start; padding: var(--sp-4) var(--sp-5); }
  .admin-topbar { padding: var(--sp-8) var(--sp-8) 0; }
  .admin-main { padding: var(--sp-6) var(--sp-8) var(--sp-16); }
}

/* Responsive Tabelle: unter 640 px als Karten (td braucht data-label) */
@media (max-width: 639px) {
  .table-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .table-stack, .table-stack tbody, .table-stack tr, .table-stack td { display: block; width: 100%; }
  .table-stack tr { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--c-border); }
  .table-stack td { border: 0; padding: var(--sp-1) 0; display: flex; justify-content: space-between; gap: var(--sp-4); text-align: right; }
  .table-stack td::before { content: attr(data-label); font-weight: var(--fw-semibold); color: var(--c-text-muted); text-align: left; }
  .table-stack td.col-primary { font-size: var(--fs-base); }
  .table-stack td.col-primary::before { display: none; }
  .table-stack .col-actions { justify-content: flex-end; padding-top: var(--sp-2); }
  .table-stack .col-actions::before { display: none; }
}

/* ==========================================================================
   Druck: Passwortzettel A4, 2 × 4 pro Seite
   <main class="print-sheet"><article class="slip">…</article> × 8 </main>
   ========================================================================== */
.print-sheet {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  width: 210mm; max-width: 100%; margin: var(--sp-6) auto; background: #fff;
  box-shadow: var(--shadow-lg); padding: 8mm;
}
.slip {
  color: #00070f; background: #fff;
  height: 70.25mm; padding: 5mm 6mm; overflow: hidden;
  border: 0.3mm dashed #8a8785; margin: -0.15mm;
  display: grid; grid-template-rows: auto 1fr auto; gap: 2mm;
  font-family: var(--font-sans); font-size: 9pt; line-height: 1.35;
  break-inside: avoid;
}
.slip-head { display: flex; align-items: center; justify-content: space-between; gap: 3mm; border-bottom: 0.6mm solid #3ca3cb; padding-bottom: 2mm; }
.slip-head img { height: 10mm; width: auto; }
.slip-title { font-size: 8pt; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; text-align: right; color: #00070f; }
.slip-data { display: grid; grid-template-columns: auto 1fr; gap: 1.2mm 3mm; align-content: center; margin: 0; }
.slip-data dt { font-size: 7.5pt; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: #4a5259; align-self: center; }
.slip-data dd { margin: 0; font-family: var(--font-mono); font-size: 13pt; font-weight: 600; color: #00070f; letter-spacing: 0.06em; }
.slip-data dd.slip-pw { font-size: 15pt; padding: 1mm 2mm; border: 0.3mm solid #8a8785; border-radius: 1mm; background: #f7f5f4; justify-self: start; }
.slip-foot { font-size: 7.5pt; color: #4a5259; }
.slip-foot strong { color: #00070f; }
.slip-data dd.slip-name { font-family: var(--font-sans); font-size: 11pt; font-weight: 600; letter-spacing: 0; overflow-wrap: anywhere; }
.slip-data dd.slip-pw { font-size: 12.5pt; letter-spacing: 0.02em; }
.print-toolbar { max-width: 210mm; margin: var(--sp-6) auto 0; padding: 0 var(--sp-4); }
/* Passwortzettel in den Ergebnisseiten: am Bildschirm verborgen, nur der Druckknopf (data-action="print") zeigt sie über den Druckdialog. */
.print-region { display: none; }
@media screen and (max-width: 639px) {
  .print-sheet { grid-template-columns: 1fr; padding: var(--sp-3); margin: var(--sp-4) var(--sp-4); max-width: calc(100% - 2rem); }
  .slip { height: auto; min-height: 60mm; }
}

@media print {
  @page { size: A4 portrait; margin: 0; }
  :root { color-scheme: light; }
  html, body { background: #fff !important; color: #000 !important; }
  .no-print, .print-toolbar, .admin-sidebar, .admin-topbar, .skip-link { display: none !important; }
  .layout-admin { display: block; }
  .admin-main { padding: 0; }
  .admin-main > :not(.print-region) { display: none !important; }
  .print-region { display: block; }
  .print-sheet { width: 210mm; height: 297mm; margin: 0; padding: 8mm; box-shadow: none; grid-template-rows: repeat(4, 70.25mm); page-break-after: always; break-after: page; }
  .print-sheet:last-of-type { page-break-after: auto; break-after: auto; }
  .slip { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: inherit; text-decoration: none; }
}

/* Bewegung reduzieren */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
/* Windows-Kontrastmodus */
@media (forced-colors: active) {
  .btn, .field input, .alert, .badge, .card, .secret { border: 1px solid CanvasText; }
  :focus-visible { outline: 3px solid Highlight; }
}


/* --- Blazor-Fehlerleiste (nur Adminbereich) -------------------------------- */
#blazor-error-ui {
  display: none; position: fixed; inset: auto 0 0 0; z-index: 1000;
  padding: var(--sp-3) var(--sp-4); background: var(--c-danger-bg); color: var(--c-danger);
  border-top: 3px solid var(--c-danger-border); box-shadow: var(--shadow-sm);
}
#blazor-error-ui .reload { margin-left: var(--sp-2); font-weight: var(--fw-semibold); }

/* Blazor-Fehlergrenze (ErrorBoundary): deutscher Text statt der englischen Vorgabe */
.blazor-error-boundary {
  padding: var(--sp-3) var(--sp-4); border: 1px solid var(--c-danger-border); border-radius: var(--radius);
  background: var(--c-danger-bg); color: var(--c-danger);
}
.blazor-error-boundary::after { content: "Es ist ein Fehler aufgetreten."; font-weight: var(--fw-semibold); }

/* --- Startseite Eltern: Hinweisliste --------------------------------------- */
.parent-list { margin: 0 0 var(--sp-6); padding-left: 1.25rem; }
.parent-list li + li { margin-top: var(--sp-2); }