/* =========================================================================
   HERBSTCUP 2026 — Design System
   Farben: Purple / Dunkelblau auf Weiß, schwarzer Text
   Typografie: Roboto (Headlines fett/uppercase, Body regular)
   Stil: clean, minimalistisch, vector-flat, keine Schatten/Verläufe
   ========================================================================= */

:root {
  --c-purple: #6d4aff;
  --c-purple-dark: #4c2fd8;
  --c-indigo: #1a1442;
  --c-white: #ffffff;
  --c-black: #111111;
  --c-gray: #6b6b6b;
  --c-line: #111111;
  --c-line-soft: #e2e0f5;
  --c-bg-tint: #f7f6fd;

  --font-display: 'Roboto', 'Arial', sans-serif;
  --font-body: 'Roboto', 'Arial', sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  --container-w: 960px;
  --gap-xs: 8px;
  --gap-sm: 16px;
  --gap-md: 32px;
  --gap-lg: 64px;
  --gap-xl: 96px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-black);
  background: var(--c-white);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--c-purple-dark); }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--c-purple);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* -------------------------------------------------------------------------
   Top bar / Navigation
   ------------------------------------------------------------------------- */
.topbar {
  border-bottom: 3px solid var(--c-black);
  background: var(--c-white);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: var(--container-w);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--c-black);
}
.brand__mark { font-size: 1.4rem; color: var(--c-purple); }
.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
  text-transform: uppercase;
}
.brand__year { color: var(--c-purple); font-weight: 900; }

.nav {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  text-decoration: none;
  color: var(--c-black);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] {
  border-bottom-color: var(--c-purple);
}
.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--c-black);
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-white);
    border-bottom: 3px solid var(--c-black);
    flex-direction: column;
    gap: 0;
    padding: 6px 0;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 20px; border-bottom: 1px solid var(--c-line-soft); }
  .nav-toggle { display: inline-block; }
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  padding: var(--gap-xl) 0 var(--gap-lg);
  border-bottom: 3px solid var(--c-black);
  position: relative;
  overflow: hidden;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--c-purple-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--gap-sm);
}
.hero__eyebrow::before { content: "♟"; font-size: 1rem; }

h1.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 var(--gap-sm);
}
.hero__title span { color: var(--c-purple); }

.hero__subtitle {
  font-size: 1.15rem;
  max-width: 560px;
  color: var(--c-black);
  margin: 0 0 var(--gap-md);
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 2px solid var(--c-black);
  border-left: 2px solid var(--c-black);
}
.hero__fact {
  border-right: 2px solid var(--c-black);
  border-bottom: 2px solid var(--c-black);
  padding: 16px 14px;
}
.hero__fact-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-gray);
  margin-bottom: 6px;
}
.hero__fact-value {
  font-weight: 900;
  font-size: 1.05rem;
}
@media (max-width: 640px) {
  .hero__facts { grid-template-columns: repeat(2, 1fr); }
}

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: var(--gap-md); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  text-decoration: none;
  padding: 15px 28px;
  border: 2px solid var(--c-black);
  cursor: pointer;
  background: var(--c-white);
  color: var(--c-black);
  transition: transform 0.12s ease;
}
.btn:hover { transform: translate(-2px, -2px); }
.btn--primary {
  background: var(--c-purple);
  border-color: var(--c-purple);
  color: var(--c-white);
}
.btn--primary:hover { background: var(--c-purple-dark); border-color: var(--c-purple-dark); }
.btn--ghost { background: transparent; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* -------------------------------------------------------------------------
   Chess-strip divider — signature element
   ------------------------------------------------------------------------- */
.chess-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  height: 22px;
  margin: 0;
  border-bottom: 3px solid var(--c-black);
  background:
    repeating-linear-gradient(
      90deg,
      var(--c-black) 0px, var(--c-black) 22px,
      var(--c-white) 22px, var(--c-white) 44px
    );
}
.chess-divider__glyph {
  background: var(--c-white);
  color: var(--c-purple);
  font-size: 1rem;
  padding: 0 14px;
  z-index: 1;
}

/* -------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------- */
.section { padding: var(--gap-lg) 0; border-bottom: 3px solid var(--c-black); }
.section:last-of-type { border-bottom: none; }
.section--tint { background: var(--c-bg-tint); }

.section__head { margin-bottom: var(--gap-md); }
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-purple-dark);
  margin: 0 0 8px;
}
h2.section__title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  letter-spacing: -0.01em;
  margin: 0;
}
.section__lede { max-width: 640px; color: var(--c-black); font-size: 1.02rem; }

/* Drei Turniere — cards */
.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--c-black);
  border-left: 2px solid var(--c-black);
}
.trio__card {
  border-right: 2px solid var(--c-black);
  border-bottom: 2px solid var(--c-black);
  padding: 28px 22px;
  background: var(--c-white);
}
.trio__glyph { font-size: 2rem; color: var(--c-purple); margin-bottom: 10px; }
.trio__name {
  font-weight: 900;
  text-transform: uppercase;
  font-size: 1.1rem;
  margin: 0 0 6px;
}
.trio__meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-gray);
  margin: 0 0 14px;
}
.trio__desc { font-size: 0.94rem; margin: 0; }
@media (max-width: 720px) {
  .trio { grid-template-columns: 1fr; }
}

/* Zeitplan */
.timeline { border-top: 2px solid var(--c-black); }
.timeline__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 2px solid var(--c-black);
}
.timeline__time {
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 16px 18px;
  border-right: 2px solid var(--c-black);
  background: var(--c-indigo);
  color: var(--c-white);
}
.timeline__desc { padding: 16px 18px; display: flex; align-items: center; gap: 10px; }
.timeline__desc::before { content: "♞"; color: var(--c-purple); }
@media (max-width: 560px) {
  .timeline__row { grid-template-columns: 100px 1fr; }
}

/* Tabellen (Startgeld / Preisgeld) */
.data-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--c-black); }
.data-table th, .data-table td {
  border-bottom: 2px solid var(--c-black);
  padding: 12px 14px;
  text-align: left;
  font-size: 0.94rem;
}
.data-table th {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  background: var(--c-black);
  color: var(--c-white);
}
.data-table td:last-child, .data-table th:last-child { text-align: right; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-md); }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }

/* Infoliste mit Schachfiguren als Bullets */
.info-list { list-style: none; margin: 0; padding: 0; }
.info-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.info-list li::before { content: "♟"; color: var(--c-purple); flex-shrink: 0; }
.info-list strong { display: block; }

/* -------------------------------------------------------------------------
   Formulare
   ------------------------------------------------------------------------- */
.form-card {
  border: 2px solid var(--c-black);
  padding: 32px;
  background: var(--c-white);
  max-width: 640px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.field--required label::after { content: " *"; color: var(--c-purple); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--c-black);
  font-family: var(--font-body);
  font-size: 0.98rem;
  background: var(--c-white);
  color: var(--c-black);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-purple); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.field__hint { font-size: 0.8rem; color: var(--c-gray); margin-top: 4px; }
.field__error {
  font-size: 0.82rem;
  color: #b00020;
  margin-top: 6px;
  font-weight: 700;
  display: none;
}
.field.has-error input, .field.has-error select { border-color: #b00020; }
.field.has-error .field__error { display: block; }

.checkbox-field { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 20px; }
.checkbox-field input { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; accent-color: var(--c-purple); }
.checkbox-field label { font-weight: 400; text-transform: none; font-size: 0.92rem; letter-spacing: normal; }

.form-msg {
  border: 2px solid var(--c-black);
  padding: 20px;
  margin-bottom: 20px;
  display: none;
}
.form-msg.is-visible { display: block; }
.form-msg--success { border-color: var(--c-purple); background: var(--c-bg-tint); }
.form-msg--error { border-color: #b00020; background: #fdecee; }
.form-msg__title { font-weight: 900; text-transform: uppercase; margin: 0 0 6px; }

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-indigo);
  color: var(--c-white);
  padding: var(--gap-lg) 0 var(--gap-md);
}
.site-footer a { color: var(--c-white); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--gap-md);
  margin-bottom: var(--gap-md);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h3 {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #b9a8ff;
  margin: 0 0 12px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.92rem; }
.footer-bottom {
  border-top: 1px solid #3a3168;
  padding-top: 18px;
  font-size: 0.8rem;
  color: #b9a8ff;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* -------------------------------------------------------------------------
   Admin
   ------------------------------------------------------------------------- */
.admin-shell { padding: var(--gap-md) 0 var(--gap-xl); }
.admin-login {
  max-width: 420px;
  margin: var(--gap-xl) auto;
  border: 2px solid var(--c-black);
  padding: 32px;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--c-black);
  border-left: 2px solid var(--c-black);
  margin-bottom: var(--gap-md);
}
.stat {
  border-right: 2px solid var(--c-black);
  border-bottom: 2px solid var(--c-black);
  padding: 18px;
}
.stat__value { font-size: 1.8rem; font-weight: 900; color: var(--c-purple); }
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-gray);
}
@media (max-width: 720px) { .stat-row { grid-template-columns: repeat(2, 1fr); } }

.toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap-sm);
}
.toolbar__group { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.toolbar input[type="search"], .toolbar select {
  padding: 10px 12px;
  border: 2px solid var(--c-black);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.table-wrap { overflow-x: auto; border: 2px solid var(--c-black); }
table.admin-table { width: 100%; border-collapse: collapse; min-width: 900px; }
.admin-table th, .admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--c-line-soft);
  font-size: 0.88rem;
  text-align: left;
  white-space: nowrap;
}
.admin-table th {
  background: var(--c-black);
  color: var(--c-white);
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  position: sticky;
  top: 0;
}
.admin-table th:hover { background: var(--c-purple-dark); }
.admin-table tbody tr:hover { background: var(--c-bg-tint); }
.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--c-black);
}
.badge--offen { background: #fff4d6; }
.badge--bezahlt { background: #d9f7e2; }
.badge--storniert { background: #fdecee; }
.row-actions { display: flex; gap: 6px; }
.icon-btn {
  border: 2px solid var(--c-black);
  background: var(--c-white);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 0.78rem;
}
.icon-btn:hover { background: var(--c-purple); color: var(--c-white); border-color: var(--c-purple); }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17,17,17,0.55);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: var(--c-white);
  border: 2px solid var(--c-black);
  max-width: 520px;
  width: 100%;
  padding: 28px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.modal__close { background: none; border: none; font-size: 1.3rem; cursor: pointer; }

.small-note { font-size: 0.85rem; color: var(--c-gray); }
.mt-md { margin-top: var(--gap-md); }
.mb-md { margin-bottom: var(--gap-md); }
.text-center { text-align: center; }