/* ==========================================================================
   Begehungs-Webapp — assets/css/styles.css
   Basiert auf dem freigegebenen Layout (natives CSS3, keine Frameworks).
   Farbwelt: #04040e (dunkel) · #fff (weiß) · #72727c (grau) · #a4a4ae (Border)
   ========================================================================== */

/* ==========================================================================
   1. GLOBALE RESETS & VARIABLEN
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --clr-dark: #04040e;
  --clr-light: #ffffff;
  --clr-gray: #72727c;
  --clr-gray-on-dark: #9c9ca6;
  --clr-gray-light: #e5e5ec;
  --clr-gray-dark: #3a3a44;
  --clr-border: #a4a4ae;

  /* Akzente – mittlerer Ton */
  --clr-blue:   #4b658b;   /* H216 S30 L42 */
  --clr-green:  #487a61;   /* H150 S26 L38 */
  --clr-teal:   #467c79;   /* H177 S28 L38 */

  /* Akzente – hell, für Text/Icons auf #04040e */
  --clr-blue-light:   #90a7c1;   /* 8,3:1 auf #04040e */
  --clr-green-light:  #87b59a;   /* 8,9:1 auf #04040e */
  --clr-teal-light:   #88b9b5;   /* 9,4:1 auf #04040e */

  /* Akzente – dunkle Flächen, Alternativen zu #04040e-Hintergründen */
  --clr-blue-dark:   #101623;   /* H220 S38 L10 */
  --clr-green-dark:  #11221b;   /* H155 S34 L10 */
  --clr-teal-dark:   #102123;   /* H185 S36 L10 */

  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --type-caption: 0.8125rem;
  --type-small: 0.875rem;
  --type-body: 1rem;
  --type-lead: clamp(1.125rem, 1.05rem + 0.35vw, 1.375rem);
  --type-title: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  --type-heading: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  --type-display: clamp(2.5rem, 2rem + 4vw, 4.5rem);
  --type-tile: clamp(1.25rem, 1.1rem + 0.5vw, 1.6rem);
  --space-section: clamp(4rem, 8vw, 8rem);
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 3rem;
  --space-element: var(--space-lg);

  /* Animation-Timings */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 9rem;
}

body {
  font-family: var(--font-main);
  font-size: var(--type-body);
  line-height: 1.65;
  color: var(--clr-dark);
  background-color: var(--clr-light);
  overflow-x: hidden;
}

p {
  font-size: var(--type-body);
  line-height: 1.65;
  max-width: 70ch;
  color: var(--clr-gray);
}

::selection {
  color: var(--clr-light);
  background-color: var(--clr-blue);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

:focus-visible {
  outline: 3px solid var(--clr-gray);
  outline-offset: 4px;
}

input::placeholder,
textarea::placeholder {
  color: var(--clr-gray);
  opacity: 1;
}

/* ==========================================================================
   2. HEADER-NAVIGATION (STICKY)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--clr-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: var(--space-lg);
}

.nav-logo {
  color: var(--clr-light);
  text-decoration: none;
  font-weight: 900;
  font-size: var(--type-body);
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: var(--transition-smooth);
}
.nav-logo:hover { color: var(--clr-gray-on-dark); }

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--clr-gray-on-dark);
  text-decoration: none;
  font-size: var(--type-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--clr-light); }
.nav-link.active { color: var(--clr-light); border-bottom-color: var(--clr-gray); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 8px;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--clr-light);
  transition: var(--transition-smooth);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 767.98px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--clr-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  }
  .nav-menu.open { max-height: 20rem; }
  .nav-menu li { border-top: 1px solid rgba(255, 255, 255, 0.08); }
  .nav-link { display: block; padding: 0.9rem 1.5rem; border-bottom: none; }
}

/* ==========================================================================
   3. BUTTONS
   ========================================================================== */
.btn {
  display: inline-block;
  font-family: inherit;
  font-size: var(--type-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  padding: 0.8rem 1.75rem;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--clr-light);
  color: var(--clr-dark);
  border-color: var(--clr-light);
}
.btn-primary:hover {
  background-color: var(--clr-gray);
  border-color: var(--clr-gray);
  color: var(--clr-light);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--clr-light);
  border-color: var(--clr-gray);
}
.btn-ghost:hover {
  background-color: var(--clr-light);
  border-color: var(--clr-light);
  color: var(--clr-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   4. HERO (DUNKEL, SPLIT-LAYOUT)
   ========================================================================== */
.section-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background-color: var(--clr-dark);
  color: var(--clr-light);
  padding: calc(var(--space-section) + 4.5rem) 0 var(--space-section);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-title {
  font-size: var(--type-display);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--clr-light);
}

.hero-text {
  font-size: var(--type-lead);
  line-height: 1.6;
  color: var(--clr-gray-on-dark);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: 2rem;
}

/* ---------- 3D-Wellen-Hintergrund (Login-Seiten) ----------
   Canvas liegt als eigene Ebene hinter dem Inhalt.
   Perspektive, Linienanzahl und Bewegung steuert hero_waves.js; Farben
   stammen ausschließlich aus den vorhandenen Akzent-Variablen. */
.hero-waves {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Inhalt bleibt klickbar und lesbar: über der Canvas-Ebene */
.section-hero .container {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 1.8fr;
    gap: 4rem;
  }
}

@media (max-width: 479.98px) {
  .hero-actions .btn { width: 100%; }
}

/* ==========================================================================
   5. ABSCHNITT-SPRUNGNAVIGATION (CHIPS)
   ========================================================================== */
.section-nav {
  position: sticky;
  top: 4.5rem;
  z-index: 900;
  background-color: var(--clr-gray-light);
  border-bottom: 1px solid var(--clr-border);
}

.section-nav-scroll {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-xs);
  padding-block: 0.5rem;
  counter-reset: section-chip;
}

.section-chip {
  counter-increment: section-chip;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-width: 0;
  font-size: var(--type-caption);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--clr-dark);
  text-decoration: none;
  border: 1px solid var(--clr-border);
  padding: 0.3rem 0.6rem;
  transition: var(--transition-smooth);
}

.section-chip::before {
  content: counter(section-chip, decimal-leading-zero);
  flex: 0 0 auto;
  font-size: var(--type-caption);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--clr-gray-dark);
  transition: var(--transition-smooth);
}

.section-chip:hover,
.section-chip:focus-visible,
.section-chip.is-active {
  background-color: var(--clr-dark);
  border-color: var(--clr-dark);
  color: var(--clr-light);
}

.section-chip:hover::before,
.section-chip:focus-visible::before,
.section-chip.is-active::before {
  color: var(--clr-light);
}

/* Aktueller Abschnitt (Scroll-Spy): Akzentbalken unterscheidet ihn vom reinen Hover */
.section-chip.is-active {
  box-shadow: inset 0 -3px 0 var(--clr-blue-light);
}

/* Mobil: kompakte Nummern-Kacheln, Beschriftung bleibt für Screenreader erhalten */
@media (max-width: 40rem) {
  .section-nav-scroll {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 0.25rem;
    padding-block: 0.4rem;
  }

  .section-chip {
    justify-content: center;
    padding: 0.4rem 0;
    font-size: 0;
  }

  .section-chip::before {
    font-size: var(--type-caption);
    color: inherit;
  }
}

/* ==========================================================================
   6. FORMULAR-SEKTIONEN (WEISS/GRAU ALTERNIEREND)
   ========================================================================== */
.form-section {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
}

.form-section-white { background-color: var(--clr-light); }
.form-section-gray { background-color: var(--clr-gray); }

.form-section-title {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: var(--space-sm);
  font-size: var(--type-title);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--clr-dark);
  overflow-wrap: anywhere;
  padding-bottom: 0.9rem;
  margin-bottom: 2rem;
}

.form-section-gray .form-section-title {
  color: var(--clr-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.form-section-white .form-section-title { border-bottom: 1px solid var(--clr-dark); }

.form-section-number {
  font-size: 0.8em;
  font-weight: 700;
  color: var(--clr-gray);
}

.form-section-gray .form-section-number { color: var(--clr-light); }

.fields-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .fields-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.field-textarea,
.field-checkboxes {
  grid-column: 1 / -1;
}

/* ---------- Feldkarten ---------- */
/* Auf weißem Grund: #fff-Karte mit #a4a4ae-Border.
   Auf grauem Grund: ebenfalls #fff-Karten (Regel: #fff oder #04040e). */
.field {
  min-width: 0;
  background-color: var(--clr-light);
  border: 1px solid var(--clr-border);
  padding: var(--space-element);
  transition: var(--transition-smooth);
}

.field:hover { box-shadow: 0 16px 32px rgba(4, 4, 14, 0.08); }

.field-label {
  display: block;
  overflow-wrap: anywhere;
  font-size: var(--type-small);
  line-height: 1.45;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-dark);
  margin-bottom: 0.65rem;
}

.req { color: #b3261e; }

.field input[type="text"],
.field input[type="date"],
.field input[type="number"],
.field textarea,
.field select {
  min-width: 0;
  max-width: 100%;
  width: 100%;
  font-family: inherit;
  font-size: var(--type-body);
  color: var(--clr-dark);
  background-color: var(--clr-light);
  border: 1px solid var(--clr-border);
  padding: 0.65rem 0.85rem;
  transition: var(--transition-smooth);
}

.field textarea { resize: vertical; min-height: 5.5rem; }

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--clr-dark);
}

.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible {
  outline: 3px solid var(--clr-blue);
  outline-offset: 2px;
}

/* ---------- Checkbox-Gruppen (Quadrat-Ästhetik des Layouts) ---------- */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  border: none;
}

.checkbox-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  font-size: var(--type-small);
  font-weight: 600;
  color: var(--clr-dark);
  border: 1px solid var(--clr-border);
  padding: 0.45rem 0.75rem;
  transition: var(--transition-smooth);
}

.checkbox-option input {
  appearance: none;
  width: 1rem; height: 1rem;
  flex: 0 0 auto;
  border: 1.5px solid var(--clr-gray);
  background-color: var(--clr-light);
  display: inline-block;
  position: relative;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.checkbox-option input:checked {
  background-color: var(--clr-dark);
  border-color: var(--clr-dark);
}

.checkbox-option input:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background-color: var(--clr-light);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.checkbox-option:hover,
.checkbox-option:has(input:checked) {
  background-color: var(--clr-dark);
  border-color: var(--clr-dark);
  color: var(--clr-light);
}

.checkbox-option:has(input:checked) input { border-color: var(--clr-light); }

.checkbox-option:has(input:focus-visible) {
  outline: 3px solid var(--clr-blue);
  outline-offset: 2px;
}

/* ==========================================================================
   7. SPEICHERN-BEREICH (DUNKEL)
   ========================================================================== */
.section-submit {
  background-color: var(--clr-dark);
  padding: var(--space-section) 0;
}

.submit-card {
  max-width: 60ch;
  margin-inline: auto;
  text-align: center;
}

.submit-note {
  color: var(--clr-gray-on-dark);
  font-size: var(--type-small);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.submit-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ==========================================================================
   8. FORTSCHRITTSBALKEN (FIXED)
   ========================================================================== */
.progress-wrap {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 950;
  background-color: var(--clr-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.18);
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  background-color: var(--clr-light);
  transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.progress-text {
  font-size: var(--type-caption);
  color: var(--clr-gray-on-dark);
  line-height: 1.4;
  white-space: nowrap;
  margin: 0;
}

@media (max-width: 479.98px) {
  .progress-wrap { padding: 0.4rem 0.75rem; }
}

/* ==========================================================================
   9. SEITENABSCHNITTE (WEISS)
   ========================================================================== */
.section-liste,
.section-anzeige {
  background-color: var(--clr-light);
  padding: var(--space-section) 0;
}

.section-heading {
  font-size: var(--type-heading);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--clr-dark);
  margin-bottom: 1rem;
}

/* ==========================================================================
   10. FOOTER (WEISS, 3 SPALTEN)
   ========================================================================== */
.section-footer {
  background-color: var(--clr-light);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--clr-border);
  margin-bottom: 2.75rem; /* Platz für Fortschrittsbalken */
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.footer-logo {
  font-weight: 900;
  font-size: var(--type-title);
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--clr-dark);
}

.footer-note {
  font-size: var(--type-small);
  line-height: 1.55;
  margin-top: 0.75rem;
  max-width: 36ch;
}

.footer-center ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-center a {
  color: var(--clr-gray);
  text-decoration: none;
  font-size: var(--type-small);
  line-height: 1.55;
  transition: var(--transition-smooth);
}

.footer-center a:hover {
  color: var(--clr-dark);
  padding-left: 4px; /* dynamischer Links-Effekt aus dem Layout */
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
}

.footer-bottom p {
  font-size: var(--type-small);
  line-height: 1.55;
  color: var(--clr-gray);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

/* ==========================================================================
   11. BACK-TO-TOP
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 3.25rem;
  z-index: 999;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--clr-dark);
  color: var(--clr-light);
  text-decoration: none;
  font-size: 1.1rem;
  border: 1px solid var(--clr-dark);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition-smooth);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--clr-gray);
  border-color: var(--clr-gray);
}

/* ==========================================================================
   12. DASHBOARD (Schnellzugriff-Quadrate & Kennzahlen-Kacheln)
   ========================================================================== */
.dashboard-section {
  padding: var(--space-section) 0;
}

.dashboard-section-gray {
  background-color: var(--clr-gray);
}

.dashboard-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.dashboard-table .table-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  border-top: 1px solid var(--clr-dark);
  padding-top: 1.5rem;
}

.dashboard-section-gray .table-row {
  border-color: rgba(255, 255, 255, 0.6);
}

.dashboard-table .table-header-block {
  display: flex;
  flex-direction: column;
}

.dashboard-table .table-title {
  margin: 0;
  color: var(--clr-dark);
  font-size: var(--type-small);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dashboard-table .table-subtitle {
  margin: 0.25rem 0 0;
  color: var(--clr-gray);
  font-size: var(--type-small);
}

.dashboard-section-gray .table-title,
.dashboard-section-gray .table-subtitle {
  color: var(--clr-light);
}

.dashboard-section-gray .table-subtitle {
  line-height: 1.5;
}

.dashboard-quick-grid,
.dashboard-section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.dashboard-section-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dashboard-section-grid .square-title {
  font-size: var(--type-small);
  font-weight: 400;
}

.square-column,
.about-tile {
  --tile-accent: var(--clr-blue);
  --tile-accent-light: var(--clr-blue-light);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  aspect-ratio: 1 / 1;
  padding: var(--space-element);
  background-color: var(--clr-dark);
  color: var(--clr-light);
  border: 1px solid var(--clr-dark);
  border-top: 4px solid var(--tile-accent);
  text-decoration: none;
  transition: var(--transition-smooth);
  backface-visibility: hidden;
}

.square-column-green,
.about-tile-green {
  --tile-accent: var(--clr-green);
  --tile-accent-light: var(--clr-green-light);
}

.square-column-teal,
.about-tile-teal {
  --tile-accent: var(--clr-teal);
  --tile-accent-light: var(--clr-teal-light);
}

.square-title {
  display: block;
  font-size: var(--type-tile);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--tile-accent-light);
  transition: var(--transition-smooth);
}

.dashboard-section-grid .square-title {
  color: var(--clr-light);
}

.dashboard-section-grid .square-column:hover .square-title,
.dashboard-section-grid .square-column:focus-visible .square-title { 
  color: var(--clr-dark);
}

.square-column p {
  margin: 0.5rem 0 0;
  font-size: var(--type-small);
  line-height: 1.5;
  color: var(--clr-light);
  transition: var(--transition-smooth);
}

.square-arrow {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: var(--type-title);
  color: var(--tile-accent-light);
  transition: var(--transition-smooth);
}

.section-tile {
  min-width: 0;
  overflow-wrap: anywhere;
}

.section-tile-number {
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  color: var(--tile-accent-light);
  font-size: var(--type-caption);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  transition: var(--transition-smooth);
}

.square-column:hover,
.square-column:focus-visible,
.about-tile:hover,
.about-tile:focus-visible {
  background-color: var(--clr-light);
  border-color: var(--clr-border);
  border-top-color: var(--tile-accent);
  transform: scale(1.03);
  box-shadow: 0 20px 40px rgba(4, 4, 14, 0.14);
}

.square-column:hover p,
.square-column:focus-visible p,
.about-tile:hover .about-tile-value,
.about-tile:focus-visible .about-tile-value {
  color: var(--clr-dark);
}

.square-column:hover .square-title,
.square-column:focus-visible .square-title,
.square-column:hover .square-arrow,
.square-column:focus-visible .square-arrow {
  color: var(--tile-accent);
}

.square-column:hover .square-arrow,
.square-column:focus-visible .square-arrow {
  transform: translateX(4px);
}

.section-tile:hover .section-tile-number,
.section-tile:focus-visible .section-tile-number {
  color: var(--clr-blue);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.about-tile-value {
  display: block;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--clr-light);
  overflow-wrap: anywhere;
  transition: var(--transition-smooth);
}

.about-tile-label {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--type-small);
  line-height: 1.5;
  color: var(--tile-accent-light);
  transition: var(--transition-smooth);
}

.about-tile:hover .about-tile-label,
.about-tile:focus-visible .about-tile-label {
  color: var(--clr-gray-dark);
}

.dashboard-about-heading {
  margin-bottom: 2rem;
}

.dashboard-about-heading .section-eyebrow,
.dashboard-about-heading .section-heading,
.dashboard-apartment-address,
.dashboard-apartment-notes {
  color: var(--clr-light);
}

.dashboard-about-heading .section-eyebrow {
  margin-bottom: 0.75rem;
  font-size: var(--type-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dashboard-about-heading .section-heading {
  margin-bottom: 0.75rem;
}

.dashboard-apartment-address,
.dashboard-apartment-notes {
  margin: 0;
  max-width: 60ch;
}

.dashboard-apartment-notes {
  margin-top: 0.5rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .dashboard-table .table-row {
    grid-template-columns: 1fr 3fr;
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 479.98px) {
  .dashboard-quick-grid,
  .dashboard-section-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .square-column,
  .about-tile {
    aspect-ratio: auto;
    min-height: 10rem;
  }
}

/* ==========================================================================
   13. TOAST-HINWEISE (fixiert oben links, oberste Ebene)
   ========================================================================== */
.toast-region {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2147483647;
  width: min(20rem, calc(100vw - 1.5rem));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.5rem 0.4rem 0.5rem 0.75rem;
  background-color: var(--toast-bg, var(--clr-blue-dark));
  border: 1px solid var(--toast-accent, var(--clr-blue));
  border-left-width: 4px;
  color: var(--clr-light);
  font-size: var(--type-small);
  font-weight: 600;
  line-height: 1.5;
  box-shadow: 0 6px 18px rgba(4, 4, 14, 0.35);
  pointer-events: auto;
  animation: toast-in 0.2s ease-out;
}

.toast-info    { --toast-bg: var(--clr-blue-dark);  --toast-accent: var(--clr-blue);  --toast-text: var(--clr-blue-light); }
.toast-success { --toast-bg: var(--clr-green-dark); --toast-accent: var(--clr-green); --toast-text: var(--clr-green-light); }
.toast-error   { --toast-bg: var(--clr-teal-dark);  --toast-accent: var(--clr-teal);  --toast-text: var(--clr-teal-light); }

.toast-text {
  flex: 1 1 auto;
  margin: 0;
  color: var(--toast-text);
}

.toast-error .toast-text::before {
  content: "Fehler: ";
  color: var(--clr-light);
}

.toast-close {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--clr-light);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.toast-close:hover,
.toast-close:focus-visible {
  background-color: var(--toast-accent);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   14. UTILITIES & ANIMATIONEN
   ========================================================================== */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeInUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) both;
}

.delay-1 { animation-delay: 0.1s; }

/* Scroll-Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.25, 1, 0.5, 1), transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}