/* ==========================================================================
   freiestimme.net — Stylesheet
   Brand Identity: Konzept C — Strich
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  /* Primärfarben */
  --ink: #0A0A0B;
  --signal-red: #D42B2B;
  --signal-red-hover: #B52424;
  --surface: #fff;

  /* Funktionale Farben */
  --text: #111111;
  --text-body: #333333;
  --text-muted: #636363; /* WCAG 4.5:1 auf weiß (Design System sagt #777, aber WCAG-Fix) */
  --border: #E5E5E5;
  --border-strong: #C5C5C5;
  --surface-alt: #F5F5F4;

  /* Sektionsfarben */
  --section-frei: #1A7A4C;
  --section-konz: #475569;

  /* Spezial */
  --live-green: #10B981;

  /* Typografie */
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --text-2xl: 1.75rem;
  --text-xl: 1.625rem;
  --text-lg: 1.25rem;
  --text-base: 0.9375rem;
  --text-sm: 0.875rem;
  --text-xs: 0.8125rem;
  --text-2xs: 0.75rem;
  --text-3xs: 0.6875rem;
  --text-4xs: 0.5625rem;

  /* Spacing (4px-Basis) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Borders */
  --radius-sm: 2px;
  --border-thin: 1px;
  --border-medium: 2px;
  --border-thick: 3px;
  --border-strich: 4px;

  /* Layout */
  --max-width: 1140px;
  --header-height: 56px;
  --sidebar-width: 280px;
  --sidebar-width-tablet: 240px;
  --content-gap: 3rem;
  --content-gap-tablet: 2rem;

  /* Z-Index */
  --z-sticky: 50;
  --z-mobile-nav: 99;
  --z-header: 100;
  --z-sticky-cta: 100;
  --z-skip-link: 1000;
}

/* --- Font Faces --- */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  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;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--surface);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--signal-red); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

img { max-width: 100%; height: auto; display: block; }

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
  font-size: 0.8125rem;
}
.skip-link:focus { top: 0; }

/* --- EILMELDUNG Bar --- */
.breaking-bar {
  background: var(--signal-red);
  color: #fff;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.breaking-bar.hidden { display: none; }
.breaking-bar__label {
  background: #fff;
  color: var(--signal-red);
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.breaking-bar__text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.breaking-bar__close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.125rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  opacity: 0.7;
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.breaking-bar__close:hover { opacity: 1; }

/* --- Header --- */
.site-header {
  background: var(--ink);
  color: #fff;
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo: Strich + Wortmarke */
.site-logo {
  font-family: var(--font);
  font-weight: 600;
  font-size: 1.25rem;
  color: #fff;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.site-logo:hover { color: #fff; }
.site-logo__strich {
  width: 4px;
  height: 28px;
  flex-shrink: 0;
}
.site-logo__text {
  line-height: 1;
}
.site-logo__tld {
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  line-height: 1;
}

.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav__link {
  color: rgba(255,255,255,0.6);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}
.site-nav__link:hover { color: #fff; }
.site-nav__link--cta {
  color: var(--signal-red);
  font-weight: 700;
}
.site-nav__link--cta:hover { color: #fff; }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* --- Video Zone (Freie Nachrichten) --- */
.video-zone {
  background: var(--ink);
  color: #fff;
  padding: 2.5rem 1.5rem 2rem;
}
.video-zone__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.video-zone__header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.video-zone__strich {
  width: 4px;
  height: 32px;
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.video-zone__label {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  display: block;
  margin-bottom: 0.25rem;
}
.video-zone__title {
  font-family: var(--font);
  font-size: 1.625rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
}
.video-zone__player {
  aspect-ratio: 16/9;
  max-width: 800px;
  background: #111 url('../assets/sendung-placeholder.jpg') center/cover no-repeat;
  border-left: 3px solid var(--signal-red);
  margin-bottom: 1rem;
  position: relative;
}
.video-zone__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.3);
  font-size: 0.8125rem;
  font-weight: 400;
}
.video-zone__summary {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  max-width: 800px;
}

/* --- Independence Banner --- */
.independence-banner {
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}
.independence-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.independence-banner__text {
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
.independence-banner__link {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--signal-red);
  white-space: nowrap;
}
.independence-banner__link:hover {
  color: var(--signal-red-hover);
}

/* --- Section Headers --- */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--ink);
  margin-top: 2rem;
}
.section-header:first-child {
  margin-top: 0;
}
.section-header__strich {
  width: 4px;
  height: 20px;
  flex-shrink: 0;
}
.section-header__title {
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.section-header__count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: auto;
}

/* --- Main Content --- */
.content-area {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
}

/* --- Ticker Feed --- */
/* Ticker Entry */
.ticker-entry {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.625rem;
  align-items: baseline;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border);
}
.ticker-entry:hover {
  background: var(--surface-alt);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.ticker-entry--breaking {
  border-left: 3px solid var(--signal-red);
  padding-left: 0.625rem;
}
.ticker-entry--breaking:hover {
  padding-left: 0.625rem;
}
.ticker-entry--breaking .ticker-entry__headline {
  font-weight: 800;
}
.ticker-entry__time {
  font-family: var(--font);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 2.75rem;
  font-weight: 400;
}

/* Section Badges */
.ticker-entry__badge {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.125rem 0.375rem;
  border-radius: 2px;
  white-space: nowrap;
  color: #fff;
}
.ticker-entry__badge--frei { background: var(--section-frei); }
.ticker-entry__badge--konz { background: var(--section-konz); }

.ticker-entry__content {
  min-width: 0;
}
.ticker-entry__source {
  font-family: var(--font);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
  display: inline;
}
.ticker-entry__headline {
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.35;
}
.ticker-entry__headline a { color: inherit; }
.ticker-entry__headline a:hover { color: var(--signal-red); }

/* Hour Separator */
.hour-separator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0 0.25rem;
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.hour-separator::before,
.hour-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* --- Sidebar --- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 0.25rem;
}
.sidebar-card {
  background: var(--surface);
  border: none;
  border-radius: 0;
  padding: 0;
}
.sidebar-card__title {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.sidebar-card__strich {
  width: 3px;
  height: 14px;
  flex-shrink: 0;
}
.sidebar-card__desc {
  font-size: var(--text-xs);
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}
.sidebar-card__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.sidebar-card__link {
  font-size: var(--text-2xs);
  font-weight: 600;
  color: var(--text);
}
.sidebar-card__link--red {
  color: var(--signal-red);
}

/* Source List */
.source-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.source-list li {
  font-family: var(--font);
  font-size: 0.75rem;
  color: var(--text-body);
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
}
.source-list li:last-child {
  border-bottom: none;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.stat-item {
  text-align: center;
  padding: 0.75rem 0.5rem;
  background: var(--surface);
}
.stat-item__value {
  font-family: var(--font);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.stat-item__label {
  font-size: 0.5625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-top: 0.125rem;
}

/* CTA Box */
.cta-box {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 1.25rem;
}
.cta-box__title {
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 800;
  margin-bottom: 0.375rem;
}
.cta-box__text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.cta-box__btn {
  display: inline-block;
  background: var(--signal-red);
  color: #fff;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  letter-spacing: 0.01em;
}
.cta-box__btn:hover { background: var(--signal-red-hover); color: #fff; }

/* --- Footer --- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 1.5rem;
  margin-top: 0;
  border-top: 3px solid var(--signal-red);
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer__links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer__link {
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  font-weight: 400;
}
.site-footer__link:hover { color: #fff; }
.site-footer__link--red { color: var(--signal-red); }
.site-footer__link--red:hover { color: #fff; }
.site-footer__copy {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.35);
}

/* --- Responsive --- */

/* Mobile */
@media (max-width: 767px) {
  .site-nav { display: none; }
  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--ink);
    padding: 1rem;
    gap: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    z-index: 99;
  }
  .hamburger { display: flex; }

  .video-zone { padding: 0.75rem 1rem; }
  .video-zone__player { display: none; }
  .video-zone__summary { display: none; }
  .video-zone__header { margin-bottom: 0; }
  .video-zone__strich { height: 20px; }
  .video-zone__title { font-size: 1rem; }
  .video-zone__label { margin-bottom: 0.125rem; }

  .breaking-bar { flex-wrap: wrap; justify-content: flex-start; padding: 0.5rem 1rem; }
  .breaking-bar__text { white-space: normal; }

  .content-area {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem 2rem;
    gap: 2rem;
  }

  .ticker-entry {
    grid-template-columns: auto auto 1fr;
    gap: 0.375rem;
  }
  .ticker-entry__time { font-size: 0.6875rem; }
  .ticker-entry__badge { display: inline-block; margin-right: 0.375rem; }
  .ticker-entry__source { display: inline; font-size: 0.6875rem; }

  .sidebar { order: 2; }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  .content-area {
    grid-template-columns: 1fr 240px;
    gap: 2rem;
  }
}

/* Wide */
@media (min-width: 1280px) {
  .content-area {
    padding-left: 0;
    padding-right: 0;
  }
}

/* ==========================================================================
   Spendenseite
   ========================================================================== */

.spenden-hero {
  background: var(--ink);
  color: #fff;
  padding: 3rem 1.5rem;
  text-align: center;
}
.spenden-hero__inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.spenden-hero__strich {
  width: 4px;
  height: 32px;
  flex-shrink: 0;
  margin-bottom: 1.5rem;
}
.spenden-hero__title {
  font-family: var(--font);
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.spenden-hero__text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.spenden-section {
  padding: 2.5rem 1.5rem;
}
.spenden-section--alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.spenden-section__inner {
  max-width: 640px;
  margin: 0 auto;
}

/* Tiers */
.spenden-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.spenden-tier {
  border: 1px solid var(--border);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  cursor: pointer;
  transition: border-color 0.15s;
}
.spenden-tier:hover {
  border-color: var(--border-strong);
}
.spenden-tier--selected {
  border: 2px solid var(--signal-red);
}
.spenden-tier__badge {
  position: absolute;
  top: -0.625rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--signal-red);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.125rem 0.5rem;
  white-space: nowrap;
}
.spenden-tier__amount {
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.spenden-tier__currency {
  font-size: 1rem;
  font-weight: 600;
}
.spenden-tier__period {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.spenden-tier__desc {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.4;
}

/* Custom amount */
.spenden-custom {
  margin-bottom: 2rem;
}
.spenden-custom__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}
.spenden-custom__input-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.spenden-custom__input {
  font-family: var(--font);
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  width: 120px;
  color: var(--text);
}
.spenden-custom__input:focus {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}
.spenden-custom__suffix {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Payment */
.spenden-payment__title {
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--ink);
}
.payment-btn {
  display: block;
  width: 100%;
  text-align: center;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: opacity 0.15s;
}
.payment-btn:hover { opacity: 0.9; color: var(--ink); }
.payment-btn--paypal {
  background: #FFC439;
  color: var(--ink);
}

.payment-bank {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 1.25rem;
}
.payment-bank__title {
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.payment-bank__details {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-bottom: 0;
}
.payment-bank__details td {
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.payment-bank__details tr:last-child td { border-bottom: none; }
.payment-bank__details td:first-child {
  color: var(--text-muted);
  width: 140px;
}

/* Wofuer */
.spenden-wofuer__title {
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.spenden-wofuer__list {
  list-style: none;
  padding: 0;
}
.spenden-wofuer__list li {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-body);
}
.spenden-wofuer__list li:last-child { border-bottom: none; }
.spenden-wofuer__list li strong { color: var(--text); }

/* Social Proof */
.spenden-proof {
  text-align: center;
}
.spenden-proof__text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Spenden Mobile */
@media (max-width: 767px) {
  .spenden-hero { padding: 2rem 1rem; }
  .spenden-hero__title { font-size: 1.375rem; }
  .spenden-section { padding: 1.5rem 1rem; }
  .spenden-tiers { grid-template-columns: 1fr; }

  .spenden-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    padding: 0.75rem 1rem;
    z-index: 100;
    border-top: 3px solid var(--signal-red);
  }
  .spenden-sticky-cta__btn {
    display: block;
    width: 100%;
    background: var(--signal-red);
    color: #fff;
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.9375rem;
    text-align: center;
    padding: 0.75rem;
    border: none;
    border-radius: 2px;
    cursor: pointer;
  }
}

/* ==========================================================================
   Topic-Cluster (Phase 3)
   ========================================================================== */

.topic-cluster {
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.topic-cluster__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}
.topic-cluster__strich {
  width: 3px;
  height: 18px;
  background: var(--signal-red);
  flex-shrink: 0;
}
.topic-cluster__title {
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
  flex: 1;
}
.topic-cluster__exclusive {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.125rem 0.5rem;
  color: #fff;
  white-space: nowrap;
  border-radius: 2px;
}
.topic-cluster__exclusive--frei {
  background: var(--section-frei);
}
.topic-cluster__exclusive--konz {
  background: var(--section-konz);
}
.topic-cluster__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.topic-cluster__col {
  padding: 0.75rem 1rem;
}
.topic-cluster__col:first-child {
  border-right: 1px solid var(--border);
}
.topic-cluster__col-header {
  font-size: 0.5625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  padding-bottom: 0.375rem;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.topic-cluster__col-header--frei {
  color: var(--section-frei);
}
.topic-cluster__col-header--konz {
  color: var(--section-konz);
}
.topic-cluster__col-strich {
  width: 3px;
  height: 12px;
  background: var(--signal-red);
  flex-shrink: 0;
}
.topic-cluster__entry {
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  line-height: 1.4;
}
.topic-cluster__entry:last-child { border-bottom: none; }
.topic-cluster__entry-time {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.topic-cluster__entry-source {
  font-size: 0.6875rem;
  color: var(--text-muted);
}
.topic-cluster__entry-headline {
  font-weight: 600;
  color: var(--text);
}
.topic-cluster__entry-headline a { color: inherit; }
.topic-cluster__entry-headline a:hover { color: var(--signal-red); }
.topic-cluster__empty {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0;
}

@media (max-width: 767px) {
  .topic-cluster__columns {
    grid-template-columns: 1fr;
  }
  .topic-cluster__col:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}