/* IBM Plex Sans & Mono - selbst gehostet, keine Anfragen an Dritte.
   IBM Plex steht unter der SIL Open Font License 1.1, siehe fonts/LICENSE.txt.
   Sans ist eine Variable Font: eine Datei deckt alle Gewichte ab. */

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-stretch: 100%;
  font-display: swap;
  src: url('/assets/fonts/plex-sans-latin.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-stretch: 100%;
  font-display: swap;
  src: url('/assets/fonts/plex-sans-latin-ext.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/plex-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/plex-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/plex-mono-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/plex-mono-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* taktischezeit.de – Stylesheet */
:root {
  color-scheme: dark light;

  /* ── Farben: dunkel (Vorgabe) ── */
  --green: #4caf50;
  --green-dark: #2e7d32;
  --green-light: #81c784;
  --bg: #0a0f0a;
  --bg2: #111911;
  --bg3: #162016;
  --card: #1a221a;
  --border: #2d3d2d;
  --text: #edfced;
  --text2: #bcd8bc;
  --text3: #7fa87f;
  --amber: #ffc107;
  --red: #f27573;
  --blue: #82c4f8;

  /* Abgeleitete Effektfarben, damit der Hell-Modus sie mitdrehen kann. */
  --glow: rgba(76,175,80,0.08);
  --glow-ring: rgba(76,175,80,0.15);
  --shadow: rgba(0,0,0,0.4);
  --hero-wash: rgba(76,175,80,0.07);
  --err-bg: rgba(229,115,115,0.08);
  --err-text: #ef9a9a;
  --err-border: #e57373;
  --on-accent: #ffffff;   /* Text auf gefuellten Akzentflaechen */

  /* ── Schrift ── */
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;

  /* ── Abstandsraster auf 4-px-Basis ── */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
}

/* ── Farben: hell ──
   Greift automatisch bei heller Systemeinstellung, sofern der Nutzer nicht
   ausdruecklich dunkel gewaehlt hat. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
  --green: #1f7a24;
  --green-dark: #17591b;
  --green-light: #256b29;
  --bg: #f4f7f4;
  --bg2: #ffffff;
  --bg3: #e8efe8;
  --card: #ffffff;
  --border: #cfdccf;
  --text: #0f1a0f;
  --text2: #374837;
  --text3: #576b57;
  --amber: #8a5a00;
  --red: #b3261e;
  --blue: #14559e;
  --glow: rgba(31,122,36,0.05);
  --glow-ring: rgba(31,122,36,0.18);
  --shadow: rgba(16,32,16,0.10);
  --hero-wash: rgba(31,122,36,0.06);
  --err-bg: rgba(179,38,30,0.07);
  --err-text: #8c1d18;
  --err-border: #b3261e;
  --on-accent: #ffffff;
  }
}
/* Ausdrueckliche Wahl des Nutzers ueber den Umschalter. */
:root[data-theme="light"] {
  --green: #1f7a24;
  --green-dark: #17591b;
  --green-light: #256b29;
  --bg: #f4f7f4;
  --bg2: #ffffff;
  --bg3: #e8efe8;
  --card: #ffffff;
  --border: #cfdccf;
  --text: #0f1a0f;
  --text2: #374837;
  --text3: #576b57;
  --amber: #8a5a00;
  --red: #b3261e;
  --blue: #14559e;
  --glow: rgba(31,122,36,0.05);
  --glow-ring: rgba(31,122,36,0.18);
  --shadow: rgba(16,32,16,0.10);
  --hero-wash: rgba(31,122,36,0.06);
  --err-bg: rgba(179,38,30,0.07);
  --err-text: #8c1d18;
  --err-border: #b3261e;
  --on-accent: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.8;
  min-height: 100vh;
}

/* Mono only where it matters */
header, nav, .hero-label, #dtg-display, .copy-hint, .clock-sub,
.section-title, .anatomy, .converter, .example-card .dtg,
.zone-letter, .zone-info p, .legend-item, .footer-copy,
.conv-result, .copy-btn, .live-badge { font-family: var(--font-mono); }

/* ─── SKIP LINK (Accessibility) ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--green);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 0 0 6px 6px;
  font-size: 0.85rem;
  z-index: 999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ─── HEADER ─── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 0.75rem 1rem;
  flex-wrap: wrap;
}

.logo {
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--green);
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo span { color: var(--text2); font-weight: normal; }

nav { display: flex; align-items: center; gap: 0; }

nav a {
  color: var(--text2);
  text-decoration: none;
  margin-left: 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  padding: 0.3rem 0;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
nav a:hover, nav a:focus { color: var(--green); border-color: var(--green); outline: none; }

/* hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--text2);
  font-size: 1.1rem;
  line-height: 1;
}

@media (max-width: 640px) {
  /* Eine Zeile: Logo links, rechts Sprache, Design und Menue. Die Knoepfe
     sind gross genug fuer den Daumen (mind. 40 px). */
  header { padding: 0.5rem 0.75rem; gap: 0.35rem; flex-wrap: nowrap; }
  .logo { margin-right: auto; font-size: clamp(0.68rem, 3.4vw, 0.95rem); }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    order: 4; width: 2.5rem; height: 2.5rem; padding: 0; flex-shrink: 0;
  }
  .lang-switcher { margin-left: 0; }
  .lang-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 2.2rem; min-height: 2.5rem; padding: 0 0.45rem;
  }
  header .theme-toggle { width: 2.5rem; height: 2.5rem; }
  /* Das Menue haengt direkt unter der Kopfzeile, egal wie hoch sie ist. */
  nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg2);
        border-bottom: 1px solid var(--border); flex-direction: column; align-items: stretch;
        padding: 0.5rem 1.5rem 1rem; gap: 0; display: none;
        box-shadow: 0 8px 24px var(--shadow); }
  nav.open { display: flex; }
  nav a { margin-left: 0; font-size: 0.95rem; padding: 0.7rem 0; }
}

/* ─── HERO ─── */
.hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, var(--hero-wash) 0%, transparent 70%);
  pointer-events: none;
}

.hero-label span { white-space: nowrap; }
.hero-label {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
  color: var(--text);
}

.hero p {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 540px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* ─── LIVE CLOCK ─── */
.clock-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.2rem 2.5rem;
  display: inline-block;
  position: relative;
  box-shadow: 0 0 60px var(--glow), 0 4px 24px var(--shadow);
  max-width: 100%;
}

.live-badge {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.live-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.1} }

/* ── dual DTG rows ── */
.dtg-row {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dtg-row-main  { margin-bottom: 1.4rem; }
.dtg-row-zulu  {
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.dtg-row-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 0.4rem;
}

/* big local display – 14 Zeichen inkl. Zonenbuchstabe muessen auch auf
   einem 320-px-Handy in eine Zeile passen. */
.dtg-main {
  white-space: nowrap;
  font-size: clamp(1.6rem, 8.6vw, 3.9rem);
  font-weight: bold;
  letter-spacing: 0.02em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  user-select: all;
  line-height: 1;
}

/* smaller zulu display */
.dtg-zulu {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: bold;
  letter-spacing: 0.06em;
  color: var(--text3);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  user-select: all;
  line-height: 1;
  transition: color 0.2s;
}
.dtg-zulu:hover { color: var(--text2); }

.copy-hint {
  font-size: 0.6rem;
  color: var(--text3);
  margin-top: 0.35rem;
  letter-spacing: 0.1em;
  min-height: 1em;
  transition: color 0.3s;
}
.copy-hint.copied { color: var(--green); }

.clock-sub {
  font-size: 0.82rem;
  color: var(--text3);
  letter-spacing: 0.05em;
}

#normal-time { color: var(--text2); font-size: 0.88rem; text-align: center; }

/* ─── SECTION ─── */
.section {
  max-width: 900px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.section-title {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 1.4rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.section p { color: var(--text); margin-bottom: 1.1rem; font-size: 1.05rem; opacity: 0.92; }
.section p strong { color: var(--text); opacity: 1; }

hr.divider { border: none; border-top: 1px solid var(--border); }

/* ─── ANATOMY ─── */
.anatomy {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 1.5rem 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
}

.anatomy-dtg {
  font-size: clamp(1.8rem, 6vw, 3.8rem);
  font-weight: bold;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.seg { position: relative; padding: 0.05em 0.1em; cursor: default; }
.seg::after {
  content: attr(data-label);
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
  opacity: 0.8;
  font-weight: normal;
  color: inherit;
}

.seg-day   { color: var(--amber); }
.seg-hhmm  { color: var(--green); }
.seg-zone  { color: var(--red);   }
.seg-month { color: var(--blue);  }
.seg-year  { color: var(--text2); }

.anatomy-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8rem;
  margin-top: 3rem;
}

.legend-item {
  background: var(--bg3);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  border-left: 3px solid;
}
.legend-item h4 { font-size: 0.75rem; letter-spacing: 0.1em; margin-bottom: 0.3rem; }
.legend-item p  { font-size: 0.78rem; color: var(--text3); margin: 0; }

.li-day   { border-color: var(--amber); } .li-day h4   { color: var(--amber); }
.li-hhmm  { border-color: var(--green); } .li-hhmm h4  { color: var(--green); }
.li-zone  { border-color: var(--red);   } .li-zone h4  { color: var(--red);   }
.li-month { border-color: var(--blue);  } .li-month h4 { color: var(--blue);  }
.li-year  { border-color: var(--text3); } .li-year h4  { color: var(--text2); }

/* ─── CONVERTER ─── */
.converter {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  margin: 2rem 0;
}

.converter h3 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 1.5rem;
}

.conv-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.conv-group { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; max-width: 100%; }
.conv-group label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text3);
  text-transform: uppercase;
}
.conv-group input,
.conv-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}
.conv-group input:focus,
.conv-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--glow-ring);
}
/* Aufklappen sichtbar machen: appearance:none nimmt den Pfeil weg. */
.conv-group select {
  padding-right: 2.2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%237fa87f' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 0.75rem;
  cursor: pointer;
}
.conv-group input[type="number"] { width: 80px; }
.conv-group input[type="time"]   { width: auto; min-width: 8.5rem; }
/* Das Zonenfeld traegt lange Beschriftungen und darf nie breiter als der
   Bildschirm werden – sonst scrollt die ganze Seite waagerecht. */
.conv-group select { max-width: 100%; }
.conv-group-zone { flex: 1 1 100%; }
#c-zone { width: 100%; max-width: 100%; }

.conv-result {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  background: var(--bg3);
  border-radius: 8px;
  border-left: 3px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

#conv-output { white-space: nowrap; }
.conv-result-left span {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--green);
  letter-spacing: 0.05em;
  display: block;
}
.conv-result-left small {
  font-size: 0.75rem;
  color: var(--text3);
}

.copy-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.copy-btn:hover { background: var(--card); border-color: var(--green); color: var(--green); }
.copy-btn:focus { outline: 2px solid var(--green); outline-offset: 2px; }
.copy-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.copy-btn:disabled:hover { background: var(--bg2); border-color: var(--border); color: var(--text2); }

/* ─── USER GRID (BOS) ─── */
.user-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.user-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.3rem 1.4rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.user-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--glow-ring);
}
.user-icon {
  font-size: 1.6rem;
  margin-bottom: 0.7rem;
  display: block;
}
.user-card h3 {
  font-size: 0.9rem;
  color: var(--green);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.user-card p {
  font-size: 0.95rem;
  color: var(--text);
  opacity: 0.85;
  line-height: 1.7;
  margin: 0;
}

/* ─── EXAMPLES ─── */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.example-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.3rem;
  transition: border-color 0.2s;
}
.example-card:hover { border-color: var(--green); }
.example-card[data-dtg] { cursor: pointer; }
.example-card[data-dtg]:active { transform: translateY(1px); }
.section p.examples-hint { font-size: 0.85rem; color: var(--text3); margin: -0.75rem 0 0; }
.example-card .dtg { font-size: 1.25rem; font-weight: bold; color: var(--green); margin-bottom: 0.4rem; }
.example-card .meaning { font-size: 0.9rem; color: var(--text); opacity: 0.85; }
.example-card .context { font-size: 0.8rem; color: var(--text3); margin-top: 0.4rem; }

/* ─── INFO BOX ─── */
.info-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  padding: 1.1rem 1.4rem;
  margin: 2rem 0;
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}
.info-box-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.info-box p { margin: 0; font-size: 0.95rem; color: var(--text); opacity: 0.9; }
.info-box strong { color: var(--amber); }

/* ─── ZONES ─── */
.zone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.6rem;
  margin: 2rem 0;
}

.zone-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.zone-letter { font-size: 1.5rem; font-weight: bold; min-width: 1.4rem; text-align: center; }
.zone-letter.z { color: var(--green); }
.zone-letter.a { color: var(--blue); }
.zone-letter.other { color: var(--text3); }
.zone-info h4 { font-size: 0.82rem; color: var(--text); margin-bottom: 0.1rem; }
.zone-info p  { font-size: 0.73rem; color: var(--text3); margin: 0; }

/* ─── FAQ ─── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }

.faq-q {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding: 1.2rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}
.faq-q:hover { color: var(--green); }
.faq-q:focus { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 3px; }

.faq-icon {
  width: 22px; height: 22px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--green);
  flex-shrink: 0;
  transition: transform 0.2s, background 0.2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--bg3); }

.faq-a {
  font-size: 1rem;
  color: var(--text);
  opacity: 0.85;
  display: none;
  padding-bottom: 1.2rem;
  line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }

/* ─── PROJEKTE ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.project-card:hover {
  border-color: var(--green);
  box-shadow: 0 4px 24px var(--glow-ring);
  transform: translateY(-2px);
}
.project-card:focus {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.project-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg3);
  position: relative;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.3s;
}
.project-card:hover .project-thumb img { transform: scale(1.03); }

/* fallback gradient wenn Bild lädt */
.project-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg3), var(--bg2));
  z-index: 0;
}
.project-thumb img { position: relative; z-index: 1; }

.project-body {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}

.project-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.3;
}

.project-card p {
  font-size: 0.88rem;
  color: var(--text);
  opacity: 0.75;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
}
.project-link::after { content: '↗'; }

/* ─── TRUST STRIP ─── */
.trust-strip {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.4rem 2rem;
}
.trust-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
}
.trust-icon {
  font-size: 1.5rem;
  line-height: 1;
}
.trust-item h4 {
  font-size: 0.8rem;
  color: var(--text);
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}
.trust-item p {
  font-size: 0.7rem;
  color: var(--text3);
  letter-spacing: 0.05em;
  margin: 0;
  font-family: var(--font-mono);
}
.trust-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--border);
}
@media (max-width: 500px) { .trust-divider { display: none; } }

/* ─── LANG SWITCHER ─── */
.lang-switcher {
  display: flex;
  gap: 0;
  margin-left: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  line-height: 1;
}
.lang-btn:hover { color: var(--text2); }
.lang-btn.active {
  background: var(--green-dark);
  color: var(--on-accent);
}
.lang-btn + .lang-btn { border-left: 1px solid var(--border); }

/* ─── FOOTER ─── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text3);
  letter-spacing: 0.08em;
}

.footer-links { display: flex; gap: 0.75rem 1.25rem; flex-wrap: wrap; justify-content: center; }
.footer-links a {
  font-size: 0.75rem;
  color: var(--text3);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--green); }

#footer-dtg { color: var(--green); }

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--green-dark);
  color: var(--on-accent);
  font-size: 0.82rem;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 200;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ─── RECHNER: MODUS-UMSCHALTUNG ─── */
.calc-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.calc-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.calc-tab:hover  { color: var(--text2); }
.calc-tab.active { color: var(--green); border-bottom-color: var(--green); }
.calc-tab:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.calc-panel[hidden] { display: none; }

/* ─── RECHNER: FEHLERMELDUNG ─── */
.conv-error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--err-border);
  background: var(--err-bg);
  color: var(--err-text);
  font-size: 0.85rem;
  line-height: 1.5;
}
.conv-error[hidden] { display: none; }

/* ─── RECHNER: HINWEIS (Zeitumstellung, falscher Zonenbuchstabe) ─── */
.conv-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--amber);
  background: var(--bg3);
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.5;
}
.conv-note[hidden] { display: none; }
#panel-rev .conv-result { align-items: flex-start; }

/* ─── RECHNER: DTG → DATUM ─── */
.r-input-wrap { display: flex; flex-direction: column; gap: 0.35rem; }
.r-input-wrap label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text3);
  text-transform: uppercase;
}
#r-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  outline: none;
  width: 100%;
  max-width: 340px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#r-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--glow-ring);
}
#r-input::placeholder { color: var(--text3); opacity: 0.6; }

#r-output {
  display: block;
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.45;
}
.r-details { margin-top: 0.9rem; display: flex; flex-direction: column; gap: 0.4rem; }
.r-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  line-height: 1.5;
}
.r-row span {
  color: var(--text3);
  min-width: 7.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.7rem;
  padding-top: 0.15rem;
}
.r-row strong { color: var(--text2); font-weight: 500; }

/* ─── BARRIEREFREIHEIT ─── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ─── UNTERSEITEN ─── */
.breadcrumb {
  font-size: 0.75rem;
  color: var(--text3);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text3); text-decoration: none; }
.breadcrumb a:hover { color: var(--green); text-decoration: underline; }

.prose h3 { font-size: 1.1rem; color: var(--text); margin: 2rem 0 0.75rem; }
.prose ul, .prose ol { margin: 0 0 1.2rem 1.2rem; color: var(--text2); line-height: 1.8; }
.prose li { margin-bottom: 0.4rem; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
.prose th { color: var(--green); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; }
.prose td { color: var(--text2); }
/* Breite Tabellen scrollen auf dem Handy in sich, statt die ganze Seite
   waagerecht verschiebbar zu machen. Der Rahmen scrollt, die Tabelle selbst
   bleibt eine Tabelle – sonst verlieren Screenreader Zeilen und Spalten. */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5rem 0; }
.table-scroll > table { margin: 0; }
.prose td code, .prose li code {
  font-family: var(--font-mono);
  color: var(--green);
}

.related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.related a {
  display: block;
  padding: 1.1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}
.related a:hover { border-color: var(--green); transform: translateY(-2px); }
.related strong { display: block; color: var(--text); margin-bottom: 0.3rem; font-size: 0.95rem; }
.related span { color: var(--text3); font-size: 0.8rem; line-height: 1.5; }
.related .lang-note { font-style: normal; font-weight: normal; color: var(--text3); font-size: 0.8em; }

/* ─── 404 ─── */
.err-page { text-align: center; padding: 5rem 1.5rem; }
.err-code {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 12vw, 6rem);
  color: var(--green);
  letter-spacing: 0.1em;
  line-height: 1;
}

/* ─── SCHMALE BILDSCHIRME ─── */
@media (max-width: 560px) {
  .conv-row { gap: 0.75rem; }
  /* Die Proportionalschrift haelt die lange Zonenbeschriftung lesbar. */
  #c-zone { font-family: var(--font-sans); font-size: 0.95rem; }
  .conv-result-left span { font-size: 1.45rem; }
  .footer-links { gap: 0.25rem 0.9rem; }
  .footer-links a { display: inline-block; padding: 0.45rem 0.15rem; }
  .hero { padding: 2.25rem 1rem 3rem; }
  .hero p { font-size: 1rem; margin-bottom: 2rem; }
  .hero-label { letter-spacing: 0.14em; font-size: 0.62rem; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   FEINSCHLIFF
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Sprungziele nicht unter der klebenden Kopfzeile verstecken ─── */
html { scroll-padding-top: 5.5rem; }
:target { scroll-margin-top: 5.5rem; }

/* ─── Zeilenlaenge: ~68 Zeichen lesen sich deutlich leichter als ~95 ─── */
.section > p,
.prose > p,
.prose > ul,
.prose > ol { max-width: 68ch; }

/* ─── Sichtbarer, einheitlicher Fokusring fuer Tastaturbedienung ─── */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 3px;
}
/* Maus- und Touch-Bedienung bekommen keinen Ring. */
:focus:not(:focus-visible) { outline: none; }
nav a:focus-visible { color: var(--green); border-color: var(--green); }

/* ─── Live-Uhr: Bestandteile farblich trennen wie in der Anatomie ─── */
.dtg-main .seg,
.dtg-zulu .seg { padding: 0; }
.dtg-main .seg + .seg { margin-left: 0.06em; }

.dtg-main .seg-day   { color: var(--amber); }
.dtg-main .seg-hhmm  { color: var(--green); }
.dtg-main .seg-zone  { color: var(--red);   }
.dtg-main .seg-month { color: var(--blue);  }
.dtg-main .seg-year  { color: var(--text2); }

.dtg-zulu .seg-day   { color: var(--amber); }
.dtg-zulu .seg-hhmm  { color: var(--green); }
.dtg-zulu .seg-zone  { color: var(--red);   }
.dtg-zulu .seg-month { color: var(--blue);  }
.dtg-zulu .seg-year  { color: var(--text2); }

/* Der Glanz wuerde die Farbtrennung verwaschen. */
.dtg-main { text-shadow: none; }

/* Beschriftung der Segmente – nur in der grossen Zeile und erst ab Tablet,
   auf dem Handy fehlt dafuer der Platz. */
.dtg-main .seg::after { display: none; }
@media (min-width: 700px) {
  /* Der Abstand reserviert den Platz fuer die Beschriftung, sonst legt sie
     sich ueber den Kopierhinweis darunter. */
  .dtg-main { margin-bottom: 1.9rem; }
  .dtg-main .seg::after {
    display: block;
    bottom: -1.45rem;
    font-size: 0.5rem;
    opacity: 0.55;
    letter-spacing: 0.18em;
  }
}

/* Kopier-Affordanz: die Uhr soll sichtbar anfassbar wirken. */
.dtg-main, .dtg-zulu { transition: opacity 0.15s; border-radius: 6px; }
.dtg-main:hover, .dtg-zulu:hover { opacity: 0.82; }
.dtg-main:active, .dtg-zulu:active { opacity: 0.65; }

/* ─── Handlungsaufforderung im Hero ─── */
.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--green-dark);
  border-color: var(--green);
  color: var(--on-accent);
}
.btn-primary:hover { background: var(--green); color: var(--bg); }
.btn-ghost { color: var(--text2); background: transparent; }
.btn-ghost:hover { color: var(--green); border-color: var(--green); }

/* ─── Symbole der Anwenderkarten einheitlich einfaerben ───
   Emoji rendern je nach System mal farbig, mal monochrom. Der Filter zieht
   sie auf eine gemeinsame, gedaempfte Darstellung zusammen. */
.user-card .user-icon {
  filter: grayscale(1) brightness(1.45) opacity(0.85);
}

/* ─── Bewegung reduzieren, wenn das System es verlangt ─── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .live-dot { animation: none !important; opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   UMSCHALTER HELL / DUNKEL
   ═══════════════════════════════════════════════════════════════════════ */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text3);
  border-radius: 6px;
  width: 2rem;
  height: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}
.theme-toggle:hover { color: var(--green); border-color: var(--green); }

/* ═══════════════════════════════════════════════════════════════════════════
   WERKZEUGKARTE IM SEITENKOPF
   ═══════════════════════════════════════════════════════════════════════ */
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 620px;
  margin: 0 auto;
  text-align: left;
  overflow: hidden;
  box-shadow: 0 0 60px var(--glow), 0 4px 24px var(--shadow);
}
.tool-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}
.tool-tabs .calc-tab {
  flex: 1;
  margin-bottom: -1px;
  padding: 0.85rem 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.tool-body { padding: var(--sp-6) var(--sp-4) var(--sp-4); }
/* Auf der Rechner-Seite sitzt die Karte im Textfluss statt im Seitenkopf. */
.tool-card-page { margin: var(--sp-8) 0; max-width: none; }
.tool-body > .calc-panel { margin: 0; }

/* Der Rechner sitzt im Kopf ohne eigenen Rahmen – die Karte rahmt bereits. */
.tool-body .converter {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

@media (max-width: 560px) {
  .tool-tabs .calc-tab { font-size: 0.6rem; letter-spacing: 0.06em; padding: 0.8rem 0.25rem; }
  .tool-body { padding: var(--sp-4) var(--sp-3) var(--sp-3); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   RECHTSSEITEN (Impressum, Datenschutz)
   ═══════════════════════════════════════════════════════════════════════ */
.page { max-width: 42rem; margin: 0 auto; padding: var(--sp-16) var(--sp-6); }
/* Lange Rechtsbegriffe (z. B. WIRTSCHAFTSIDENTIFIKATIONSNUMMER) duerfen auf
   schmalen Handys umbrechen, statt die Seite seitlich zu verschieben. */
.page { overflow-wrap: break-word; hyphens: auto; }
.page .label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.page h1 { font-size: 1.9rem; margin-bottom: var(--sp-8); line-height: 1.2; }
.page h2 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green);
  letter-spacing: 0.08em;
  margin: var(--sp-8) 0 var(--sp-2);
  text-transform: uppercase;
}
.page h3 { font-size: 1rem; color: var(--text); margin: var(--sp-6) 0 var(--sp-2); }
.page p, .page ul, .page address {
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: var(--sp-3);
  font-style: normal;
}
.page ul { padding-left: var(--sp-6); }
.page li { margin-bottom: var(--sp-1); }
.page a { color: var(--green); text-decoration: none; }
.page a:hover { text-decoration: underline; }
.page hr { border: none; border-top: 1px solid var(--border); margin: var(--sp-8) 0; }
.page code { font-family: var(--font-mono); color: var(--green); }
.page .highlight {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  padding: var(--sp-4) var(--sp-6);
  margin: var(--sp-6) 0;
}
.page .highlight p:last-child { margin-bottom: 0; }

/* ═══════════════════════════════════════════════════════════════════════════
   EINSATZUHR (Vollbild-Ansicht /uhr.html)
   ═══════════════════════════════════════════════════════════════════════ */
:root { --board-scale: 1; }

body.board {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
}
.board-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.board-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  flex-wrap: wrap;
}
.board-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text3);
  text-decoration: none;
}
.board-link:hover { color: var(--green); }
.board-tools { display: flex; gap: var(--sp-2); }
.board-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text3);
  border-radius: 6px;
  min-width: 2.2rem;
  height: 1.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.board-btn:hover { color: var(--green); border-color: var(--green); }
.board-btn svg { width: 1rem; height: 1rem; display: block; margin: 0 auto; }
/* Umschalter Ortszeit | UTC – sichtbar beschriftet statt nur als Symbol. */
.board-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.board-switch-btn {
  background: transparent;
  border: none;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0 0.7rem;
  min-height: 1.9rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.board-switch-btn + .board-switch-btn { border-left: 1px solid var(--border); }
.board-switch-btn:hover { color: var(--green); }
.board-switch-btn[aria-pressed="true"] { background: var(--green-dark); color: var(--on-accent); }
@media (pointer: coarse) {
  .board-switch-btn { min-height: 2.5rem; padding: 0 0.85rem; }
}
#board-fullscreen .icon-exit { display: none; }
#board-fullscreen[data-state="on"] .icon-enter { display: none; }
#board-fullscreen[data-state="on"] .icon-exit  { display: block; }
@media (pointer: coarse) {
  .board-btn { min-width: 2.5rem; height: 2.5rem; }
}

.board-clock {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  padding: var(--sp-4);
  text-align: center;
}
.board-row { width: 100%; }
/* Grosse Zeile oben, kleine darunter – welche Zeile gross ist, waehlt der
   Tauschknopf (board.js). */
.board-row     { order: 0; }
.board-row-sub { order: 1; }
.board-time    { order: 2; }
.board-label {
  font-family: var(--font-mono);
  font-size: min(calc(0.7rem * var(--board-scale)), 1.05rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: var(--sp-3);
}

/* Die gewaehlte Hauptzeit (Vorgabe: Ortszeit) ist die groesste Angabe. */
.board-dtg {
  font-family: var(--font-mono);
  font-weight: 600;
  /* Die Zulu-DTG ist rund 9,6 em breit (14 Zeichen Monospace plus Abstaende).
     Die mittlere Schranke begrenzt sie auf die Bildschirmbreite, damit ein
     hochgedrehter Vergroesserungsfaktor das Layout nicht sprengt. */
  font-size: min(calc(9vw * var(--board-scale)), 10vw, calc(7rem * var(--board-scale)));
  white-space: nowrap;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  user-select: all;
  border-radius: 8px;
  transition: opacity 0.15s;
}
.board-dtg:hover { opacity: 0.82; }
.board-row-sub .board-dtg {
  font-size: min(calc(5.5vw * var(--board-scale)), 6.2vw, calc(3.6rem * var(--board-scale)));
}

/* Auf der Einsatzuhr waere die Segmentbeschriftung zu klein zum Lesen und
   kollidiert mit dem Kopierhinweis. */
.board-dtg .seg::after { display: none; }
.board-row { max-width: 100%; }
.board-row-sub .board-label { color: var(--text3); }

.board-dtg .seg-day   { color: var(--amber); }
.board-dtg .seg-hhmm  { color: var(--green); }
.board-dtg .seg-zone  { color: var(--red);   }
.board-dtg .seg-month { color: var(--blue);  }
.board-dtg .seg-year  { color: var(--text2); }

.board-time {
  font-family: var(--font-mono);
  font-size: min(calc(0.95rem * var(--board-scale)), 1.4rem);
  color: var(--text3);
  letter-spacing: 0.08em;
}
.board-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text3);
  text-align: center;
  padding: 0 var(--sp-4) var(--sp-3);
  opacity: 0.7;
  min-height: 1rem;
}
.board .copy-hint { margin-top: var(--sp-2); }

@media (max-width: 560px) {
  .board-clock { gap: var(--sp-6); }
}

/* ─── Nachzug fuer die Werkzeugkarte ───
   Das LIVE-Abzeichen war an .clock-card verankert; die Uhr sitzt jetzt in
   einem Reiter-Panel, das den Bezugspunkt stellen muss. */
#panel-clock { position: relative; }
#panel-clock .live-badge { top: -0.25rem; right: 0; }
/* Auf sehr schmalen Handys wuerde das Abzeichen die Zeitzone ueberdecken. */
@media (max-width: 400px) {
  #panel-clock .live-badge { position: static; justify-content: center; margin-bottom: 0.5rem; }
}

/* Etwas mehr Luft zwischen Segmentbeschriftung und Kopierhinweis. */
@media (min-width: 700px) {
  .dtg-main { margin-bottom: 2.3rem; }
}

/* Symbol des Themenumschalters: als SVG, weil Schriftzeichen wie ◐ nicht in
   jeder Schrift vorhanden sind. */
#theme-toggle { display: inline-flex; align-items: center; justify-content: center; }
#theme-toggle svg { width: 1rem; height: 1rem; display: block; }
#theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] #theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] #theme-toggle .icon-sun  { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) #theme-toggle .icon-moon { display: none; }
  :root:not([data-theme="dark"]) #theme-toggle .icon-sun  { display: block; }
}