/*
 * TeamRegister - zentrales Stylesheet.
 * Reines CSS, kein Build-Step (siehe concept.md, Abschnitt "Frontend
 * (CSS/Layout)"). Dark Mode ist das einzige Theme (final entschieden,
 * siehe jobs/2026_06_20_Start.md, Abschnitt "Design-Anforderungen").
 * CSS-Variablen kapseln die Farbpalette, damit Komponenten konsistent
 * darauf zugreifen, ohne Farben mehrfach zu hartcodieren.
 */

:root {
  --color-bg: #14171c;
  --color-bg-elevated: #1d2128;
  --color-bg-elevated-hover: #262b34;
  --color-border: #2e333d;
  --color-text: #e6e8eb;
  --color-text-muted: #9aa1ad;
  --color-accent: #4f8cff;
  --color-accent-hover: #6fa0ff;
  --color-accent-contrast: #0b1320;
  --color-danger: #e5634a;
  --color-success: #4cae6a;

  --font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --content-max-width: 860px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.55;
}

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

a:hover,
a:focus {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Layout-Grundraster: Header, Content-Bereich, Footer */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.site-header__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.site-header__title a {
  color: var(--color-text);
}

.site-header__title a:hover,
.site-header__title a:focus {
  text-decoration: none;
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.site-nav__admin-login-link {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.site-nav__admin-login-link:hover,
.site-nav__admin-login-link:focus {
  background-color: var(--color-bg-elevated-hover);
  text-decoration: none;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
}

.language-switcher__link {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.language-switcher__link:hover,
.language-switcher__link:focus {
  background-color: var(--color-bg-elevated-hover);
  text-decoration: none;
}

.language-switcher__link--active {
  color: var(--color-text);
  font-weight: 600;
  background-color: var(--color-bg-elevated-hover);
}

.site-content {
  flex: 1 1 auto;
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.site-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}

.site-footer__version {
  margin-top: var(--spacing-xs);
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Allgemeine Komponenten */

.card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background-color: var(--color-accent);
  color: var(--color-accent-contrast);
  font-weight: 600;
  cursor: pointer;
}

.button:hover,
.button:focus {
  background-color: var(--color-accent-hover);
  text-decoration: none;
}

.button--secondary {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.button--secondary:hover,
.button--secondary:focus {
  background-color: var(--color-bg-elevated-hover);
}

.button--danger {
  background-color: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.button--danger:hover,
.button--danger:focus {
  background-color: var(--color-danger);
  color: var(--color-text);
}

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.alert--error {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.alert--success {
  border-color: var(--color-success);
  color: var(--color-success);
}

/* Typografie fuer gerenderten Markdown-Inhalt (turnier.md) */

.markdown-content {
  font-size: 1.05rem;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
  line-height: 1.3;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
  margin-top: 0;
}

.markdown-content p {
  margin: var(--spacing-md) 0;
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 1.5rem;
}

.markdown-content code {
  background-color: var(--color-bg-elevated-hover);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

.markdown-content pre {
  background-color: var(--color-bg-elevated-hover);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.markdown-content blockquote {
  border-left: 3px solid var(--color-accent);
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-md);
  color: var(--color-text-muted);
}

/* Formulare */

.form-field {
  margin-bottom: var(--spacing-md);
}

.form-field label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-accent);
}

.form-field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-field__hint {
  margin: var(--spacing-xs) 0 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.form-field input[type="file"],
.form-field input[type="datetime-local"] {
  width: 100%;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

/* Turnierliste (Startseite) */

.turnier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.turnier-list__item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.turnier-list__title {
  margin: 0;
  font-size: 1.2rem;
}

.turnier-list__teaser {
  margin: 0;
  color: var(--color-text-muted);
}

/* Turnier-Detailseite */

.turnier-detail__teaser {
  color: var(--color-text-muted);
  margin-top: 0;
}

.turnier-detail__flyer {
  margin: var(--spacing-md) 0;
}

.turnier-detail__flyer-image {
  max-width: 100%;
  border-radius: var(--radius-md);
  display: block;
}

.turnier-detail__cta {
  margin-top: var(--spacing-xl);
}

/* Admin-Dashboard */

.admin-dashboard__version {
  margin-top: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.admin-dashboard__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.admin-dashboard__turnier {
  margin-top: var(--spacing-lg);
}

.admin-dashboard__turnier-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.admin-dashboard__anmeldungen {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
}

.admin-dashboard__anmeldungen th,
.admin-dashboard__anmeldungen td {
  text-align: left;
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.admin-dashboard__anmeldungen th {
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Responsives Grundraster: Mobile-first, Anpassungen ab Tablet-Breite */

@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}