/*
 * (gemeinsame Oberfläche)
 * Zweck: Styles für Login, Startseite und Admin.
 * Aufbau: Token (:root) → Reset/Body → Layout → Komponenten → Formular → Button → Varianten..
 */

/* Token – Design-Variablen (Farben, Radii, Schatten, Schrift); Kontrastorientierung WCAG 2.x */
:root {
  /* Seitengrund – kühles Blaugrau (Referenz-Hierarchie-UI) */
  --color-bg: #f4f7fa;
  /* Token – Header-Overlay (halbtransparent auf Seitenhintergrund) */
  --color-header-overlay: rgba(0, 0, 0, 0.42);
  --color-surface: #ffffff;
  --color-text: #151d2e;
  /* Gedämpfter Text auf hellem Untergrund (~4.5 : 1 gegen Weiß bei Bedarf höher gewichtet) */
  --color-text-muted: #465362;
  /* Rand Eingaben/Flächen – etwas kräftiger für ~3 : 1 Kantenerkennung */
  --color-border: #b8c5d4;
  /* Placeholder auf hellem Feld */
  --color-placeholder: #5a6a7b;
  /* Hierarchie: linker Akzentbalken (Referenz ~4px, kräftiges Violett) */
  --color-tree-accent: #6b46c1;
  /* Typo auf weißen Baum-Karten (Referenz: Name navy, Metadaten grau, WCAG-tauglich) */
  --color-tree-title: #1a202c;
  --color-tree-meta: #4a5568;
  --color-tree-border: #e2e8f0;
  /* Dezente Schatten — ohne schwere „Glas“-Optik */
  --shadow-panel-light: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-tree-node: 0 1px 2px rgba(15, 23, 42, 0.04), 0 2px 10px rgba(15, 23, 42, 0.05);
  /* Token – Karten-Overlay (halbtransparent; Seitenhintergrund scheint durch) */
  --color-card-overlay: rgba(24, 38, 58, 0.74);
  --color-card-text: #f4f7fc;
  /* Untertitel/Metatext auf Karte — vorher zu blass */
  --color-card-muted: rgba(255, 255, 255, 0.84);
  --color-card-input-bg: rgba(0, 0, 0, 0.45);
  --color-card-input-border: rgba(255, 255, 255, 0.38);
  --color-card-link: #8fe3cd;
  --color-card-link-hover: #b8f0e2;
  --color-primary: #0b3d91;
  --color-primary-hover: #082f73;
  --color-focus: #1a5fd4;
  --color-accent: #1a5fd4;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(26, 35, 50, 0.08), 0 8px 28px rgba(26, 35, 55, 0.06);
  --shadow-card-dark: 0 8px 32px rgba(15, 24, 40, 0.28), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* Reset – Box-Modell inkl. Padding und Border */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Layout – Dokument: Mindesthöhe und Seitenhintergrund */
html {
  min-height: 100%;
  background: var(--color-bg);
}

/* Layout – Body: volle Höhe, Schrift und Basistextfarbe */
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout – Kopfzeilen-Leiste (Logo links, Text rechts, optional Abmelden) */
.page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding: 1.5rem 1.75rem;
  min-height: 4.75rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
  /* Hintergrund – Verlauf über Seitenfarbe (dunkles Overlay) */
  background: linear-gradient(var(--color-header-overlay), var(--color-header-overlay)),
    var(--color-bg);
}

/* Layout – Kopfzeile: Textblock rechts (Brand + Tagline)
 * Promt 33.1 - Zeile 78 - 149 (Trailing-Wrapper + Session-Info; margin-left nur noch kontextabhängig)
 */
.page__header-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: right;
  min-width: 0;
}

.page__header > .page__header-text {
  margin-left: auto;
}

.page__header-trailing {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 1rem 1.25rem;
  margin-left: auto;
  min-width: 0;
}

.page__header-trailing .page__header-text {
  margin-left: 0;
}

.user-session-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  text-align: right;
  gap: 0.125rem;
  max-width: min(42vw, 14rem);
}

.page__header .user-session-info__name {
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.96);
  word-break: break-word;
}

.page__header .user-session-info__role {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.82);
  word-break: break-word;
}

@media (max-width: 36rem) {
  .page__header-trailing {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-left: 0;
  }

  .page__header-trailing .page__header-text {
    align-items: flex-start;
    text-align: left;
  }

  .user-session-info {
    align-items: flex-start;
    text-align: left;
    max-width: none;
  }
}

/* Layout – Logo (Größe und responsives Maximum) */
.page__logo {
  height: 3.85rem;
  width: auto;
  max-width: min(52vw, 17rem);
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

/* Layout – Logo-Verlink zur rollenabhängigen Hauptansicht (Startseite bzw. Kundenliste) */
a.page__logo-home {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  border-radius: 6px;
}

a.page__logo-home:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

a.page__logo-home:hover .page__logo {
  opacity: 0.88;
}

/* Komponente – Markenname / Link (Standard: auf hellem Grund) */
.page__brand {
  font-weight: 600;
  font-size: 1.375rem;
  line-height: 1.25;
  color: var(--color-text);
  text-decoration: none;
}

/* Variante – Markenname im dunklen Header */
.page__header .page__brand {
  color: #ffffff;
}

.page__header .page__brand:hover,
.page__header .page__brand:focus-visible {
  color: rgba(255, 255, 255, 0.92);
}

/* Komponente – Tagline unter dem Markennamen */
.page__tag {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 0.3125rem;
}

/* Variante – Tagline im dunklen Header */
.page__header .page__tag {
  color: rgba(255, 255, 255, 0.92);
}

/* Layout – Hauptbereich zentriert, Inhalt oben ausgerichtet */
.page__main {
  flex: 1;
  padding: 2rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* Komponente – Inhaltskarte („Glas“-Optik über Seitenhintergrund) */
.card {
  width: 100%;
  max-width: 28rem;
  color-scheme: dark;
  color: var(--color-card-text);
  /* Hintergrund – Overlay analog zur Kopfzeile */
  background: linear-gradient(var(--color-card-overlay), var(--color-card-overlay)),
    transparent;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.75rem;
}

/* Komponente – Kartenüberschrift und Einleitungstext */
.card__title {
  margin: 0 0 0.25rem;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-card-text);
}


.card__subtitle {
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-card-muted);
}

/* Komponente – Links innerhalb der Karte */
.card a {
  color: var(--color-card-link);
  text-decoration: none;
}

.card a:hover,
.card a:focus-visible {
  color: var(--color-card-link-hover);
  text-decoration: underline;
}

.card a:focus-visible {
  outline: 2px solid var(--color-card-link-hover);
  outline-offset: 2px;
  border-radius: 2px;
}

.card__welcome-list a:focus-visible {
  outline: 2px solid var(--color-card-link-hover);
  outline-offset: 2px;
}

/*
 * Startseite – „Willkommen“-Navigation: helle Linkfarbe auf dunkler Glas-Karte
 * (Primärfarbe wäre zu dunkel — gleiche Familie wie .card a, WCAG-Kontrast).
 */
.card__welcome-list {
  margin: 0 0 1.5rem;
  padding-left: 1.375rem;
  font-size: 1.125rem;
  line-height: 1.65;
  list-style-type: disc;
}

.card__welcome-list li + li {
  margin-top: 0.375rem;
}

.card__welcome-list li {
  padding-left: 0.3125rem;
}

.card__welcome-list li::marker {
  color: var(--color-card-link);
}

.card__welcome-list a {
  color: var(--color-card-link);
  font-weight: 600;
}

.card__welcome-list a:hover,
.card__welcome-list a:focus-visible {
  color: var(--color-card-link-hover);
  text-decoration: underline;
}

/* Formular – Abstand zwischen Label- und Feldgruppen */
.form-group {
  margin-bottom: 1.25rem;
}

/* Formular – Beschriftung der Felder */
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

/* Variante – Label auf dunkler Karte */
.card .form-group label {
  color: rgba(255, 255, 255, 0.96);
}

/* Formular – Textfelder und Auswahllisten (heller Standard) */
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-placeholder);
  opacity: 1;
}

/* Mehrzeilig: gleiche Schriftfamilie wie Inputs; nur vertikal ziehbar, weniger „rohes“ Feld */
.form-group textarea {
  min-height: 6.5rem;
  resize: vertical;
  vertical-align: top;
}

/* Variante – Eingaben auf dunkler Karte */
.card .form-group input,
.card .form-group select,
.card .form-group textarea {
  color: var(--color-card-text);
  background: var(--color-card-input-bg);
  border-color: var(--color-card-input-border);
}

.card .form-group input::placeholder,
.card .form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

/* Formular – Hover-Rand (heller Kontext) */
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: #9aa9bb;
}

/* Variante – Hover-Rand auf dunkler Karte */
.card .form-group input:hover,
.card .form-group select:hover,
.card .form-group textarea:hover {
  border-color: rgba(255, 255, 255, 0.32);
}

/* Formular – Fokus: Rand immer sichtbar; Ring nur bei Tastatur (:focus-visible) */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-focus);
}

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  box-shadow: 0 0 0 3px rgba(26, 95, 212, 0.38);
}

/* Variante – Eingaben auf dunkler Karte */
.card .form-group input:focus,
.card .form-group select:focus,
.card .form-group textarea:focus {
  border-color: #6eb0ff;
}

.card .form-group input:focus-visible,
.card .form-group select:focus-visible,
.card .form-group textarea:focus-visible {
  box-shadow: 0 0 0 3px rgba(127, 186, 255, 0.48);
}

.form-group select {
  cursor: pointer;
  appearance: auto;
}

/* Button – Primäraktion (z. B. Login, Benutzer erstellen) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-primary:focus {
  outline: none;
}

.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px rgba(26, 95, 212, 0.55);
}

.btn-primary:active:not(:disabled) {
  background: #061f52;
}

.btn-primary:disabled {
  cursor: not-allowed;
  background: #627899;
  color: rgba(255, 255, 255, 0.94);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  padding: 0.5rem 0.85rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.btn-secondary:focus {
  outline: none;
}

.btn-secondary:focus-visible {
  box-shadow: 0 0 0 3px rgba(100, 116, 139, 0.35);
}

/* Formular – Hinweis unter dem Formular (klein, gedämpft) */
.form-hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.card .form-hint {
  color: rgba(255, 255, 255, 0.78);
}

/* 
  * Formular – zentrale Rückmeldung (API-Fehler / Erfolg) 
  * Fehler- und Erfolgsmeldungen werden in der Mitte der Karte angezeigt.
*/
.form-message {
  margin: 0 0 1rem;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.45;
  border-radius: 6px;
}

.form-message[hidden] {
  display: none;
}

.form-message--error {
  color: #7f1d1d;
  background: rgba(254, 226, 226, 0.95);
  border: 1px solid rgba(185, 28, 28, 0.35);
}

.form-message--success {
  color: #14532d;
  background: rgba(220, 252, 231, 0.95);
  border: 1px solid rgba(22, 101, 52, 0.35);
}

.card .form-message--error {
  color: #fee2e2;
  background: rgba(127, 29, 29, 0.45);
  border-color: rgba(248, 113, 113, 0.4);
}

.card .form-message--success {
  color: #d1fadf;
  background: rgba(20, 83, 45, 0.55);
  border-color: rgba(74, 222, 128, 0.45);
}

.mailbox-config-list {
  margin: 0 0 1.25rem;
  padding: 0;
}

.mailbox-config-list__row {
  display: grid;
  grid-template-columns: minmax(8rem, 11rem) 1fr;
  gap: 0.5rem 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.mailbox-config-list__row:last-child {
  border-bottom: none;
}

.mailbox-config-list dt {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.mailbox-config-list dd {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.95);
  word-break: break-all;
}

/* Prompt 38.01 — Preis-E-Mails Admin-Übersicht 559 - 644*/
.mailbox-emails-toolbar {
  margin: 0 0 1.25rem;
}

.mailbox-attachment-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.mailbox-attachment-badge--yes {
  color: #d1fadf;
  background: rgba(20, 83, 45, 0.55);
  border: 1px solid rgba(74, 222, 128, 0.45);
}

.mailbox-attachment-badge--no {
  color: #e5e7eb;
  background: rgba(55, 65, 81, 0.55);
  border: 1px solid rgba(156, 163, 175, 0.35);
}

/* Prompt 42.02 - Zeilen 585-601 */
.customer-table tr.mailbox-row--unknown-domain {
  background: rgba(251, 191, 36, 0.1);
}

.mailbox-domain-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.mailbox-domain-badge--unknown {
  color: #fef3c7;
  background: rgba(180, 83, 9, 0.45);
  border: 1px solid rgba(251, 191, 36, 0.55);
}

.mailbox-domain-badge--known {
  color: #d1fae5;
  background: rgba(6, 95, 70, 0.45);
  border: 1px solid rgba(52, 211, 153, 0.45);
}

.mailbox-email-detail-btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  border-radius: 0.375rem;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

.mailbox-email-detail-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Prompt 47 — Detail-Modal breiter als Standard-Confirm-Dialog (docs/ticket_prompts/ticket_47.md) */
.mailbox-email-detail-modal__panel {
  /* Prompt 47 — mehr Platz für Metadaten und Mail-Body */
  max-width: 64rem;
  width: min(64rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mailbox-email-detail {
  margin: 0 0 1rem;
}

.mailbox-email-detail__row {
  display: grid;
  grid-template-columns: minmax(6rem, 8rem) 1fr;
  gap: 0.35rem 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mailbox-email-detail__row:last-child {
  border-bottom: none;
}

.mailbox-email-detail dt {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.85;
}

.mailbox-email-detail dd {
  margin: 0;
  word-break: break-word;
}

.mailbox-email-detail__content-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

/* Prompt 47 — Mail-Body: breiter Bereich, Scroll/Umbruch statt Abschneiden (docs/ticket_prompts/ticket_47.md) */
.mailbox-email-detail__body {
  /* Prompt 47 — volle Modalbreite; bei HTML-Tabellen horizontal scrollen */
  width: 100%;
  max-height: 32rem;
  overflow: auto;
  padding: 0.75rem;
  border-radius: 0.375rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  /* Prompt 47 — Plain-Text umbricht; HTML bleibt durch overflow lesbar */
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* (Quelle: docs/ticket_prompts/ticket_40.md ; Prompt 40.1) */
.mailbox-raw-imports {
  margin-top: 1rem;
}

.mailbox-raw-imports__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.mailbox-raw-imports__btn {
  margin-left: 0.35rem;
  margin-top: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-color: rgba(96, 165, 250, 0.75);
  background: #0b4db3;
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
}

.mailbox-raw-imports__btn:hover {
  background: #0a3f92;
}

.mailbox-raw-imports__btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.mailbox-raw-imports__toggle {
  margin-top: 0.35rem;
}

.mailbox-raw-imports__matrix {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.375rem;
  background: rgba(11, 77, 179, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.35);
}

.mailbox-raw-imports__matrix-list {
  margin-top: 0.75rem;
}

.mailbox-raw-imports__body-btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.mailbox-raw-imports__body-btn:disabled:hover {
  background: var(--color-primary);
}

.mailbox-raw-imports__list {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.mailbox-raw-imports__item {
  padding: 0.75rem;
  border-radius: 0.375rem;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.mailbox-raw-imports__error {
  color: #991b1b;
}

.mailbox-raw-imports__warning {
  color: #b7791f;
}

.mailbox-raw-imports__hint {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.45;
  color: #b7791f;
}

.mailbox-raw-imports__preview {
  max-height: 12rem;
  overflow: auto;
  padding: 0.75rem;
  border-radius: 0.375rem;
  background: rgba(0, 0, 0, 0.3);
  color: #e5e7eb;
  white-space: pre-wrap;
}

/* Prompt 39.01 — Versorger-Zuordnung in Preis-E-Mail-Detail (docs/ticket_prompts/ticket_39.md) */
.mailbox-supplier-suggestion {
  margin: 0 0 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.45);
  color: #dbeafe;
  font-size: 0.875rem;
}

/* Prompt 42.02 - Zeilen 777-781 */
.mailbox-supplier-suggestion--warning {
  background: rgba(251, 191, 36, 0.15);
  border-color: rgba(251, 191, 36, 0.45);
  color: #fef3c7;
}

.mailbox-supplier-assign {
  margin: 0 0 1rem;
}

.mailbox-supplier-assign label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
}

.mailbox-supplier-assign__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.mailbox-supplier-assign select {
  min-width: 14rem;
  flex: 1 1 14rem;
  padding: 0.45rem 0.6rem;
  border-radius: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
}

/* Formular – Hinweis direkt unter einem Feld */
.form-field-hint {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.card .form-field-hint {
  color: rgba(255, 255, 255, 0.78);
}

/* Variante – Login-Seite (Unterlinie der Kopfzeile) */
.page--login .page__header {
  border-bottom-color: rgba(125, 204, 184, 0.35);
}

/* Variante – Login-Karte (schmaler, linke Akzentlinie) */
.card--login {
  max-width: 26rem;
  box-shadow: var(--shadow-card-dark), inset 4px 0 0 0 var(--color-card-link);
}

/* Variante – Login-Primärbutton (Buchstabenabstand) */
.btn-primary--login {
  letter-spacing: 0.02em;
}

/* Button – Abmelden (Kontrast zum dunklen Header) 
(Quelle: docs/ticket_prompts/ticket_7.md ; Prompt 7.1) */
.btn-logout {
  flex-shrink: 0;
  align-self: center;
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn-logout:hover {
  background: #f0f3f7;
  border-color: #b8c4d0;
}

.btn-logout:focus {
  outline: none;
  border-color: var(--color-focus);
}

.btn-logout:focus-visible {
  outline: none;
  border-color: var(--color-focus);
  box-shadow: 0 0 0 3px rgba(26, 95, 212, 0.4);
}

/* Prompt 17.1 */
/* 
* Prompt 20.1
* Variante – Kundenanlage Vertrieb (goldener Akzent, abgrenzend zu Login-Mint)
*/
.page--kunden .page__header {
  border-bottom-color: rgba(212, 165, 75, 0.45);
}

/* Etwas breitere Karte für mehr Eingabefelder; linke Akzentlinie */
.card--kunden {
  max-width: 32rem;
  box-shadow: var(--shadow-card-dark), inset 4px 0 0 0 rgba(212, 165, 75, 0.92);
}

/* Prompt 47 — Preis-E-Mail-Übersicht: Karte fast über volle Viewport-Breite (docs/ticket_prompts/ticket_47.md) */
.card--kunden.card--mailbox-emails {
  max-width: min(72rem, calc(100vw - 3rem));
}

/* Prompt 47 — Tabellen-Container ohne horizontales Scrollen (docs/ticket_prompts/ticket_47.md) */
.mailbox-emails-list-wrap {
  overflow-x: visible;
}

/* Prompt 47 — Spaltenanteile und Textumbruch in der Übersichtstabelle (docs/ticket_prompts/ticket_47.md) */
.mailbox-emails-table {
  table-layout: fixed;
  width: 100%;
}

.mailbox-emails-table th,
.mailbox-emails-table td {
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Prompt 47 — Spaltenbreiten: Absender, Betreff, Versorger, Eingang, Anhänge, Aktion */
.mailbox-emails-table th:nth-child(1),
.mailbox-emails-table td:nth-child(1) {
  width: 18%;
}

.mailbox-emails-table th:nth-child(2),
.mailbox-emails-table td:nth-child(2) {
  width: 28%;
}

.mailbox-emails-table th:nth-child(3),
.mailbox-emails-table td:nth-child(3) {
  width: 22%;
}

.mailbox-emails-table th:nth-child(4),
.mailbox-emails-table td:nth-child(4) {
  width: 14%;
}

.mailbox-emails-table th:nth-child(5),
.mailbox-emails-table td:nth-child(5) {
  width: 8%;
}

.mailbox-emails-table th:nth-child(6),
.mailbox-emails-table td:nth-child(6) {
  width: 10%;
}

/* Primärbutton – dezenter Letterspacing wie Login */
.btn-primary--kunden {
  letter-spacing: 0.02em;
}

/* Kundenliste Vertrieb – breitere Karte und kompakte Tabelle */
.card--kunden-list {
  max-width: 56rem;
}

.customer-list-wrap {
  overflow-x: auto;
  margin-top: 0.75rem;
}

.customer-list-wrap--group {
  margin-top: 0.5rem;
}

.customer-groups {
  display: grid;
  gap: 1rem;
  margin-top: 0.75rem;
}

.customer-group {
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
}

.customer-group--child {
  margin-top: 0.85rem;
}

.customer-group__header {
  margin-bottom: 0.5rem;
}

.customer-group__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-card-text);
}

.customer-group__meta {
  margin: 0.15rem 0 0;
  font-size: 0.875rem;
  color: var(--color-card-muted);
}

.customer-group__children {
  margin-top: 0.85rem;
  padding-left: 1rem;
  border-left: 2px solid rgba(255, 255, 255, 0.22);
}

/* Toggle-Indikator für kollabierbare Organisations-Header (Backoffice-Ansicht)
   (Quelle: docs/ticket_prompts/ticket_29.md ; Prompt 29.1) */
.customer-group__title--toggle {
  cursor: pointer;
  user-select: none;
}

.customer-group__title--toggle::after {
  content: " ▼";
  font-size: 0.8em;
  opacity: 0.65;
}

.customer-group__title--toggle.is-collapsed::after {
  content: " ▶";
}

.customer-list-empty {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card .customer-list-empty {
  color: var(--color-card-muted);
}

.card .customer-list-empty a {
  color: var(--color-card-link);
}

.customer-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.customer-table th,
.customer-table td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.customer-table th {
  font-weight: 600;
  color: var(--color-text);
  background: rgba(11, 61, 145, 0.06);
}

.customer-table tbody tr:last-child td {
  border-bottom: none;
}

/* Tabellen in dunklen Karten: heller Text und Ränder (sonst dunkle Schrift auf dunklem Glas) */
.card .customer-table th,
.card .customer-table td {
  color: var(--color-card-text);
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.card .customer-table th {
  color: rgba(255, 255, 255, 0.96);
  background: rgba(255, 255, 255, 0.12);
}

.card .customer-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.04);
}

.supplier-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

.supplier-actions__delete {
  font: inherit;
  font-size: 0.9375rem;
  color: #b71c1c;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.supplier-actions__delete:hover {
  color: #c62828;
}

.supplier-actions__delete:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.card .supplier-actions a {
  color: var(--color-card-link);
  font-weight: 600;
}

.card .supplier-actions a:hover,
.card .supplier-actions a:focus-visible {
  color: var(--color-card-link-hover);
}

.card .supplier-actions__delete {
  color: #fca5a5;
}

.card .supplier-actions__delete:hover {
  color: #fecaca;
}

/* Bestätigungs-Dialog (z. B. Energieversorger löschen) */
.confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.confirm-modal[hidden] {
  display: none !important;
}

.confirm-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.confirm-modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 26rem;
  padding: 1.35rem 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card-dark);
  border: 1px solid var(--color-border);
}

.confirm-modal__title {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
}

.confirm-modal__body {
  margin: 0 0 0.65rem;
  color: var(--color-text);
  font-size: 0.975rem;
  line-height: 1.45;
}

.confirm-modal__hint {
  margin: 0 0 1.15rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.confirm-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  justify-content: flex-end;
}

.confirm-modal__btn {
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
}

.confirm-modal__btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.confirm-modal__btn--secondary {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border);
}

.confirm-modal__btn--secondary:hover {
  background: rgba(11, 61, 145, 0.06);
}

.confirm-modal__btn--danger {
  color: #fff;
  background: #b71c1c;
  border-color: #8b1515;
}

.confirm-modal__btn--danger:hover {
  background: #c62828;
}

/* Prompt 23.2 – Hierarchie-Darstellung (helle Ansicht wie UI-Referenz: weiße Karten auf #f4f7fa) */
.card--user-tree {
  max-width: 40rem;
}

/* Äußeres Panel der Hierarchie-Seite: hell, keine dunkle Glas-Karte */
.card.card--user-tree {
  color-scheme: light;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-tree-border);
  box-shadow: var(--shadow-panel-light);
}

.card.card--user-tree .card__title {
  color: var(--color-tree-title);
}

.card.card--user-tree .card__subtitle {
  color: var(--color-tree-meta);
  font-size: 0.875rem;
  line-height: 1.55;
}

.card.card--user-tree a {
  color: var(--color-primary);
}

.card.card--user-tree a:hover,
.card.card--user-tree a:focus-visible {
  color: var(--color-primary-hover);
}

.card.card--user-tree a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.card.card--user-tree .user-tree-status {
  color: var(--color-text-muted);
}

/* Meldungen auf hellem Panel: Varianten wie Standard-Formular, nicht Glas-Karten-Stil */
.card.card--user-tree .form-message--error {
  color: #7f1d1d;
  background: rgba(254, 226, 226, 0.95);
  border: 1px solid rgba(185, 28, 28, 0.35);
}

.card.card--user-tree .form-message--success {
  color: #14532d;
  background: rgba(220, 252, 231, 0.95);
  border: 1px solid rgba(22, 101, 52, 0.35);
}

.user-tree-status {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

/* Status „Laden …“ in dunklen Karten: heller SchriftTon (nicht Body-Muted) */
.card:not(.card--user-tree) .user-tree-status {
  color: var(--color-card-muted);
}

.user-tree-root {
  margin-top: 0.5rem;
}

.user-tree {
  margin: 0;
  padding: 0;
}

.user-tree-node {
  margin: 0;
  padding: 0;
}

.user-tree-node__row {
  display: flex;
  align-items: stretch;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}

/* Kleines Bedienelement links (Referenz: dezenter grauer Bereich / Chevron-Ersatz +/−) */
.user-tree-node__toggle {
  flex: 0 0 2rem;
  width: 2rem;
  min-height: 2.5rem;
  padding: 0;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  color: #5a6578;
  background: #f7fafc;
  border: 1px solid var(--color-tree-border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.user-tree-node__toggle:hover:not(:disabled) {
  border-color: #cbd5e0;
  background: #edf2f7;
  color: #3d4a5c;
}

.user-tree-node__toggle:focus-visible {
  outline: none;
  border-color: var(--color-focus);
  box-shadow: 0 0 0 2px rgba(26, 95, 212, 0.32);
}

.user-tree-node__toggle:disabled {
  cursor: default;
  color: #a0aec0;
  background: transparent;
  border-color: transparent;
  opacity: 1;
}

.user-tree-node__toggle--leaf {
  border-style: solid;
  border-color: transparent;
}

.user-tree-node__box {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-tree-border);
  border-left: 4px solid var(--color-tree-accent);
  border-radius: 10px;
  box-shadow: var(--shadow-tree-node);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.user-tree-node__box:hover {
  border-color: #cbd5e0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.07);
}

.user-tree-node__name {
  font-weight: 600;
  color: var(--color-tree-title);
}

.user-tree-node__id {
  font-size: 0.8125rem;
  color: var(--color-tree-meta);
}

.user-tree-node__children {
  margin: 0 0 0.35rem 0.75rem;
  padding: 0.2rem 0 0.2rem 0.85rem;
  border-left: 2px solid #cbd5e0;
}

.user-tree-node__children[hidden] {
  display: none !important;
}

@media (max-width: 540px) {
  .user-tree-node__children {
    margin-left: 0.35rem;
    padding-left: 0.5rem;
  }

  .card--user-tree {
    padding: 1.25rem 1rem;
  }
}

/* (Quelle: docs/ticket_prompts/ticket_43.md ; Prompt 43.1) */
.validity-rules {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.validity-rules__title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-tree-title, #1e293b);
}

.validity-rules__hint {
  margin-bottom: 1rem;
}

.validity-rules--create {
  margin-bottom: 1.25rem;
}

.validity-rules__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.validity-rules__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.validity-rules__empty {
  color: var(--color-tree-meta, #64748b);
  font-size: 0.9375rem;
}

.validity-rules__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
  color: #1e293b;
}

.validity-rules__item--active {
  border-color: #86efac;
  background: #f0fdf4;
}

.validity-rules__item-content {
  flex: 1 1 12rem;
}

.validity-rules__item-name {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.validity-rules__item-title {
  margin: 0;
  font-size: 0.9375rem;
  color: #334155;
}

.validity-rules__badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #166534;
  background: #bbf7d0;
  border-radius: 4px;
}

.validity-rules__item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.validity-rules__form {
  margin-top: 0.5rem;
}

.validity-rules__form-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.validity-rules__form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.validity-rules__btn-delete {
  color: #b91c1c;
  border-color: #fecaca;
}

.price-upload {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.price-upload__title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.price-upload__hint {
  margin-bottom: 1rem;
}

.price-upload__form {
  margin-top: 0.5rem;
}

.price-upload__result {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  color: #334155;
}

/* Read-only Preismatrix-Ansicht (Neuaufbau Ticket 41) */
.price-matrix {
  margin-top: 1rem;
  overflow-x: auto;
}

.price-matrix__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.price-matrix__table th,
.price-matrix__table td {
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 0.5rem 0.75rem;
  text-align: center;
  white-space: nowrap;
}

.price-matrix__table th {
  background: rgba(11, 77, 179, 0.1);
  font-weight: 700;
}

.price-matrix__period {
  text-align: left;
  font-weight: 600;
}

.price-matrix__cell--filled {
  background: rgba(34, 197, 94, 0.18);
  font-weight: 700;
}