:root {
  --bg: #f4f5f7;
  --bg-strong: #ffffff;
  --ink: #111827;
  --ink-soft: #57606a;
  --line: rgba(17, 24, 39, 0.08);
  --line-strong: rgba(17, 24, 39, 0.14);
  --brand: #12584f;
  --brand-soft: #e7f3ee;
  --accent: #b75a36;
  --accent-soft: #f6e8df;
  --shadow: 0 20px 40px rgba(17, 24, 39, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 760px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f8f9fb 0%, #eef1f5 100%);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: 18px 16px 96px;
}

.hero-card,
.view-panel,
.modal-card {
  border: none;
  background: var(--bg-strong);
  box-shadow: var(--shadow);
}

.hero-card h1,
.page-title,
.section-heading h2,
.section-heading h3,
.modal-header h3 {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  letter-spacing: -0.02em;
}

.page-title {
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.05;
}

.view-stack {
  display: grid;
  gap: 18px;
}

.view-panel {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 20px;
  border-radius: var(--radius-xl);
  animation: rise-in 220ms ease;
  box-sizing: border-box;
}

.simple-panel {
  padding: 14px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.section-heading.compact {
  margin-bottom: 14px;
}

.primary-button,
.secondary-button,
.icon-button,
.archive-button,
.history-button,
.nav-link {
  border: 1px solid transparent;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}

.primary-button,
.secondary-button,
.icon-button,
.archive-button,
.nav-link {
  padding: 12px 16px;
  font-weight: 700;
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, var(--brand), #1a7f63);
  box-shadow: 0 18px 38px rgba(18, 88, 79, 0.18);
}

.secondary-button,
.archive-button,
.icon-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--line);
}

.primary-button:hover,
.secondary-button:hover,
.icon-button:hover,
.archive-button:hover,
.history-button:hover,
.nav-button:hover,
.nav-link:hover {
  transform: translateY(-1px);
}

.info-strip,
.signup-card,
.archive-card,
.history-button,
.ranking-card,
.bracket-match {
  border: none;
  background: var(--bg-strong);
  border-radius: var(--radius-lg);
}

.info-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  padding: 0;
  background: transparent;
}

.info-pill {
  min-width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(18, 88, 79, 0.08);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
}

.info-label {
  display: none;
}

.info-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.bracket-shell {
  overflow-x: auto;
  margin-bottom: 18px;
  padding-bottom: 6px;
}

.bracket-grid {
  display: grid;
  grid-auto-flow: column;
  /* kompaktere Default-Spaltenbreite, skaliert bei Bedarf */
  grid-auto-columns: minmax(220px, 220px);
  gap: 14px;
  align-items: start;
}

.round-column {
  display: grid;
  gap: 12px;
  min-width: 220px;
  /* Verhindert Überlappungen und sorgt für konsistente Spaltenhöhe */
  align-content: start;
}

/* Stacking context: verhindert, dass Karten aus einer Spalte über die Nachbarspalte gelegt werden */
.round-column {
  isolation: isolate;
  position: relative;
  /* Sicherstellen, dass Spalten nicht schrumpfen und ihre eigene Fläche behalten */
  min-width: 220px;
  box-sizing: border-box;
  overflow: visible;
}

.round-label {
  position: sticky;
  top: 8px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  border: 1px solid rgba(17, 24, 39, 0.06);
}

.bracket-match {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 12px;
  min-height: 120px;
  border-radius: 18px;
  box-shadow: 0 12px 22px rgba(17, 24, 39, 0.06);
  cursor: pointer;
}

/* Matches müssen sich an die Spaltenbreite halten */
.bracket-match {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  z-index: 0;
}

/* Verhindert, dass Flex-Kinder die Spaltenbreite sprengen */
.match-team {
  min-width: 0;
}

.match-team-label {
  min-width: 0;
  overflow: hidden;
}

.match-team-label strong {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* sicherstellen, dass einzelne Karten nicht aus ihrem Kontext herausstapeln */
.bracket-match {
  z-index: 0;
}

.bracket-match:focus-visible {
  outline: 2px solid rgba(18, 88, 79, 0.35);
  outline-offset: 4px;
}

.bracket-match:hover {
  transform: translateY(-1px);
}

.match-main {
  display: grid;
  gap: 8px;
}

.match-title {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--ink-soft);
  text-transform: none;
  margin-bottom: 6px;
}

.match-team {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.06);
}

.match-team.is-empty {
  opacity: 0.82;
  background: rgba(243, 244, 246, 0.72);
}

.match-team strong {
  font-size: 0.82rem;
  /* ca. 10–12px */
  font-weight: 700;
}

.match-team-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.match-team-score {
  min-width: 0;
  width: auto;
  flex-shrink: 0;
  text-align: right;
  font-weight: 800;
  font-size: 0.85rem;
  /* ca. 9–10px */
  color: var(--ink-soft);
}

.match-team-score:empty {
  width: 0;
  min-width: 0;
  padding: 0;
}

.match-team.is-winner {
  box-shadow: inset 4px 0 0 0 rgba(18, 88, 79, 0.25);
  background: linear-gradient(90deg, rgba(18, 88, 79, 0.12), #fff);
  border-color: rgba(18, 88, 79, 0.18);
}

.match-team.is-winner strong,
.match-team.is-winner .match-team-score {
  color: #12553c;
}

.match-team.is-winner strong {
  font-weight: 800;
}

.match-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.match-status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(18, 88, 79, 0.1);
  color: var(--brand);
}

.match-status-chip.status-action {
  background: var(--accent-soft);
  color: #9a4028;
}

.match-status-chip.status-pending {
  background: rgba(226, 232, 240, 0.9);
  color: var(--ink-soft);
}

.match-status-chip.status-complete {
  background: rgba(18, 88, 79, 0.14);
  color: var(--brand);
}

.match-status-detail {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.empty-state {
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.54);
}

.signup-card,
.archive-card {
  padding: 14px;
}

.signup-preview,
.past-tournaments,
.history-list,
.ranking-list {
  display: grid;
  gap: 8px;
}

.signup-team-card,
.history-button,
.ranking-card {
  padding: 12px;
  background: white;
}

.signup-team-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.signup-team-card strong,
.history-title,
.ranking-name {
  display: block;
}

.signup-team-card span,
.history-meta,
.ranking-meta {
  color: var(--ink-soft);
}

.past-tournaments {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.archive-button {
  text-align: left;
}

.archive-button.is-active {
  border-color: rgba(15, 106, 76, 0.34);
  background: var(--brand-soft);
}

.archive-button small {
  display: block;
  margin-top: 4px;
  color: var(--ink-soft);
}

.ranking-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ranking-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 84px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: white;
}

.ranking-position {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--ink-soft);
}

.ranking-player-name {
  font-size: 0.96rem;
  font-weight: 700;
}

.ranking-points {
  justify-self: end;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-normal);
}

.history-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  border-radius: var(--radius-lg);
  border-color: var(--line);
  padding: 12px 14px;
}

.history-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.history-score {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  width: min(760px, calc(100vw - 24px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 245, 0.92);
  box-shadow: var(--shadow);
}

.nav-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.nav-button.is-active {
  background: linear-gradient(135deg, var(--brand), #17875f);
  color: white;
}

.nav-button span {
  white-space: nowrap;
}

.nav-icon {
  font-size: 0.95rem;
  letter-spacing: -0.1em;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
}

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 20, 0.48);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
  max-height: min(86vh, 780px);
  overflow: auto;
  padding: 16px;
  border-radius: var(--radius-xl);
}

.modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.modal-header-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.match-modal-date {
  color: var(--ink-soft);
  font-size: 0.92rem;
  white-space: nowrap;
}

.match-score-field {
  margin-top: 10px;
}

.modal-content {
  display: grid;
  gap: 12px;
}

.match-hero {
  display: grid;
  gap: 10px;
}

.match-team-line {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: white;
}

.match-team-line strong {
  font-size: 1.04rem;
}

.match-meta-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.match-meta-item {
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  background: var(--bg-strong);
  color: var(--ink);
  font-size: 0.95rem;
}

.score-form,
.signup-form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.match-create-form {
  display: grid;
  gap: 14px;
}

.team-entry-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.team-entry-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-strong);
}

.team-entry-card h2 {
  margin: 0;
  font-size: 1rem;
}

.score-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.field input,
.field select {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: white;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(15, 106, 76, 0.18);
  border-color: var(--brand);
}

.hint-text {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.hint-text.is-error {
  color: #b13c1d;
}

.hint-text.is-success {
  color: var(--brand);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 100px;
  z-index: 30;
  transform: translateX(-50%);
  min-width: 220px;
  max-width: calc(100vw - 24px);
  padding: 14px 16px;
  border: 1px solid rgba(15, 106, 76, 0.26);
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, var(--brand), #147455);
  box-shadow: var(--shadow);
  text-align: center;
}

[hidden] {
  display: none !important;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: calc(100vw - 12px);
    padding: 8px 6px 96px;
    box-sizing: border-box;
  }

  .hero-card,
  .view-panel,
  .modal-card {
    border-radius: 22px;
  }

  .view-panel {
    /* kleinere Innenabstände damit Panels breiter werden */
    padding: 12px;
    box-sizing: border-box;
    max-width: 100vw;
    /* verhindert horizontales Überlaufen */
    overflow-x: hidden;
    /* Panel selbst nicht nach außen scrollen lassen */
  }

  .section-heading,
  .modal-header {
    flex-direction: column;
    align-items: stretch;
  }

  .bracket-shell {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  .bracket-grid {
    /* Mobile: Bracket-Spalten nebeneinander, horizontal scrollen (Swipe) */
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 78vw);
    gap: 12px;
    /* Aktiviert horizontales Einrasten pro Runde */
    scroll-snap-type: x proximity;
  }

  .round-column {
    scroll-snap-align: start;
    min-width: min(78vw, 220px);
    /* Jede Spalte isoliert, damit sich Karten nicht gegenseitig überlagern */
    isolation: isolate;
    position: relative;
  }

  .team-entry-grid,
  .score-grid {
    grid-template-columns: 1fr;
  }

  /* Kompaktere Match-Karten auf mobilen Geräten */
  .bracket-match {
    padding: 10px;
    min-height: 96px;
    border-radius: 14px;
    gap: 8px;
  }

  .match-team {
    padding: 8px 10px;
  }

  .match-team strong {
    font-size: 0.95rem;
  }

  .match-team-score {
    font-size: 0.95rem;
  }

  .match-title {
    font-size: 0.78rem;
  }

  .bottom-nav {
    width: calc(100vw - 16px);
    padding: 8px;
  }

  .nav-button {
    padding: 9px 8px;
    font-size: 0.8rem;
  }
}

/* Desktop: kompakteres Bracket für viele Runden (16tel, 32er) */
@media (min-width: 1024px) {
  .bracket-grid {
    /* feste Spaltenbreite auf Desktop, verhindert Überlappung */
    grid-auto-columns: 180px;
    gap: 12px;
  }

  .round-column {
    min-width: 180px;
    gap: 10px;
  }

  .bracket-match {
    padding: 10px;
    min-height: 100px;
  }

  .match-team strong {
    font-size: 0.78rem;
  }

  .match-team-meta {
    font-size: 0.68rem;
  }

  .match-team-score {
    font-size: 0.82rem;
    min-width: 36px;
  }
}