:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-alt: #f9fafb;
  --sidebar: #111827;
  --sidebar-muted: #9ca3af;
  --sidebar-text: #f9fafb;
  --text: #111827;
  --muted: #64748b;
  --line: #d9dee6;
  --line-strong: #b8c0cc;
  --primary: #146c5c;
  --primary-dark: #0f4f45;
  --primary-soft: #e7f4f1;
  --blue: #1d4ed8;
  --blue-soft: #e9efff;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --warning: #9a6700;
  --warning-soft: #fff6db;
  --shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.66;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  margin-bottom: 0;
  line-height: 1.08;
  letter-spacing: 0;
  font-family: inherit;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
}

h2 {
  font-size: 2rem;
  font-weight: 800;
}

h3 {
  font-size: 1.2rem;
  font-weight: 750;
}

h4 {
  font-size: 1rem;
  font-weight: 750;
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(980px, 100%);
  display: grid;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-copy,
.login-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.login-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 1rem;
}

.login-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
}

.guest-panel {
  align-content: space-between;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  padding: 1.25rem;
  color: var(--sidebar-text);
  background: var(--sidebar);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar .eyebrow {
  color: #6ee7b7;
}

.sidebar-copy {
  margin: 0.75rem 0 0;
  color: var(--sidebar-muted);
  line-height: 1.55;
}

.nav-tabs {
  display: grid;
  gap: 0.4rem;
}

.nav-tab {
  min-height: 44px;
  padding: 0.72rem 0.8rem;
  border-radius: var(--radius);
  text-align: left;
  color: var(--sidebar-muted);
  background: transparent;
  border: 1px solid transparent;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.nav-tab:hover,
.nav-tab.active {
  color: var(--sidebar-text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.status-card {
  margin-top: auto;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.status-label {
  display: inline-block;
  color: var(--sidebar-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-card strong {
  display: block;
  margin-top: 0.35rem;
}

.status-card p {
  margin: 0.35rem 0 0.75rem;
  color: var(--sidebar-muted);
  line-height: 1.45;
}

.main-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.hero p {
  max-width: 58rem;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.hero-actions,
.action-grid,
.file-actions,
.modal-actions,
.mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.panel-grid {
  display: grid;
  gap: 1rem;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel-card,
.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.metric-card {
  padding: 1rem;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 0.4rem;
  font-size: 2rem;
  line-height: 1;
}

.panel-card {
  padding: 1rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.summary-item,
.timeline-item,
.group-card {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
}

.summary-item span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.summary-item strong {
  display: block;
  margin-top: 0.3rem;
  word-break: break-word;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

input,
select,
textarea,
.file-btn {
  width: 100%;
  min-height: 42px;
  padding: 0.68rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(20, 108, 92, 0.16);
  border-color: var(--primary);
}

textarea {
  resize: vertical;
}

.stack-form {
  display: grid;
  gap: 0.85rem;
}

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

.transfer-panel {
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
}

.transfer-current {
  padding: 0.68rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
}

.inline-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.compact-filter {
  min-width: min(260px, 100%);
  margin-bottom: 0;
}

.score-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1rem 0;
}

.primary-btn,
.ghost-btn,
.danger-btn,
.action-btn,
.small-btn,
.icon-btn,
.file-btn {
  border-radius: var(--radius);
  padding: 0.72rem 0.9rem;
  font-weight: 750;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.small-btn {
  padding: 0.5rem 0.7rem;
}

.primary-btn {
  color: #ffffff;
  background: var(--primary);
}

.primary-btn:hover {
  background: var(--primary-dark);
}

.ghost-btn {
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid rgba(29, 78, 216, 0.12);
}

.ghost-btn:hover {
  background: #dce7ff;
}

.danger-btn {
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid rgba(180, 35, 24, 0.16);
}

.action-btn {
  padding: 0.42rem 0.6rem;
  font-size: 0.82rem;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  color: var(--text);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  font-size: 1rem;
}

.edit-btn {
  color: var(--primary);
  background: var(--primary-soft);
}

.delete-btn {
  color: var(--danger);
  background: var(--danger-soft);
}

.select-btn {
  color: var(--blue);
  background: var(--blue-soft);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.45rem;
  padding: 0.18rem 0.48rem;
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  font-size: 0.75rem;
  font-weight: 800;
}

.status-completed {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: rgba(20, 108, 92, 0.2);
}

.status-live {
  color: var(--warning);
  background: var(--warning-soft);
  border-color: rgba(154, 103, 0, 0.2);
}

.status-postponed {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: rgba(180, 35, 24, 0.16);
}

button:hover,
.file-btn:hover {
  transform: translateY(-1px);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

th,
td {
  padding: 0.72rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--muted);
  background: var(--surface-alt);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.guest-mode .admin-only {
  display: none !important;
}

.empty-state {
  padding: 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface-alt);
  text-align: center;
}

.timeline-list,
.group-standings {
  display: grid;
  gap: 0.75rem;
}

.timeline-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.score-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius);
  color: #ffffff;
  background: var(--sidebar);
}

.score-banner p {
  margin-bottom: 0;
  color: #cbd5e1;
}

.score-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 2.4rem;
  font-weight: 800;
}

.bracket-board {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 0.35rem 0.2rem 0.75rem;
  min-height: 360px;
}

.bracket-board.empty-state {
  display: block;
  min-height: auto;
}

.bracket-round {
  min-width: 340px;
  display: grid;
  align-content: start;
  gap: 0.8rem;
}

.bracket-round h4 {
  position: sticky;
  left: 0;
  padding: 0.3rem 0;
  color: var(--muted);
}

.bracket-match-list {
  display: grid;
  gap: 1rem;
  align-content: space-around;
  min-height: 300px;
}

.bracket-match {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.bracket-match::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1.25rem;
  width: 1.25rem;
  border-top: 2px solid var(--line-strong);
}

.bracket-round:last-child .bracket-match::after {
  display: none;
}

.match-number {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.bracket-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  min-height: 2rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius);
  background: var(--surface-alt);
}

.bracket-team span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bracket-team.winner {
  color: var(--primary-dark);
  background: var(--primary-soft);
  box-shadow: inset 3px 0 0 var(--primary);
}

.bracket-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.76rem;
}

.bracket-score-form {
  display: grid;
  grid-template-columns: 64px 64px minmax(120px, 1fr) auto;
  gap: 0.45rem;
  align-items: end;
}

.bracket-score-form label {
  gap: 0.2rem;
  font-size: 0.72rem;
}

.bracket-score-form input,
.bracket-score-form select {
  min-height: 34px;
  padding: 0.38rem 0.45rem;
  border-radius: 6px;
}

.bracket-score-form .small-btn {
  min-height: 34px;
  padding: 0.42rem 0.55rem;
}

.notice,
.sync-copy,
.cloud-status {
  border-radius: var(--radius);
}

.notice {
  margin-top: 1rem;
  padding: 0.9rem;
  color: var(--muted);
  background: var(--surface-alt);
  border: 1px solid var(--line);
}

.notice p {
  margin-bottom: 0;
  line-height: 1.55;
}

.file-actions {
  align-items: stretch;
}

.file-actions > button,
.file-actions > .file-btn {
  flex: 1 1 180px;
}

.sync-copy {
  flex: 1 0 100%;
  padding: 0.9rem;
  border: 1px solid #b7ddd4;
  background: var(--primary-soft);
}

.sync-copy p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.sync-btn {
  background: var(--primary) !important;
}

#sync-cloud-btn {
  font-size: 0;
}

#sync-cloud-btn::after {
  content: "Pull from Google Sheets";
  font-size: 0.95rem;
}

#sync-cloud-btn:disabled::after {
  content: "Pulling...";
}

.cloud-status {
  flex: 1 0 100%;
  margin: 0;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-alt);
  line-height: 1.45;
}

.cloud-status.is-working {
  color: var(--warning);
  border-color: #f1d38a;
  background: var(--warning-soft);
}

.cloud-status.is-success {
  color: var(--primary);
  border-color: #b7ddd4;
  background: var(--primary-soft);
}

.cloud-status.is-error {
  color: var(--danger);
  border-color: #ffc3bd;
  background: var(--danger-soft);
}

.tips-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.6;
}

.filter-row {
  margin-bottom: 0.85rem;
}

.file-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-color: rgba(29, 78, 216, 0.12);
}

.file-btn input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.modal-overlay,
.app-modal::backdrop {
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(4px);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.app-modal {
  width: min(720px, calc(100vw - 2rem));
  border: 0;
  padding: 0;
  border-radius: var(--radius);
  background: transparent;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.modal-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.modal-head,
.modal-actions {
  padding: 1rem;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}

.modal-body {
  max-height: min(72vh, 760px);
  overflow: auto;
  padding: 1rem;
}

code {
  padding: 0.12rem 0.3rem;
  border-radius: 5px;
  color: var(--primary-dark);
  background: var(--primary-soft);
}

@media (max-width: 1180px) {
  .app-shell,
  .login-grid,
  .metrics-grid,
  .two-column,
  .summary-grid,
  .score-grid,
  .transfer-grid,
  .filter-row,
  .inline-fields {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
  }
}

@media (max-width: 780px) {
  .login-screen,
  .sidebar,
  .main-content {
    padding: 0.85rem;
  }

  .login-card,
  .login-panel,
  .hero,
  .panel-card,
  .metric-card {
    padding: 0.85rem;
  }

  .app-shell {
    min-height: auto;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  h3 {
    font-size: 1.08rem;
  }

  .hero,
  .score-banner,
  .panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions,
  .action-grid,
  .file-actions,
  .modal-actions,
  .mini-actions {
    width: 100%;
  }

  .hero-actions > *,
  .action-grid > *,
  .file-actions > *,
  .modal-actions > * {
    flex: 1 1 100%;
  }

  .nav-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-tab {
    text-align: center;
  }

  .score-pill {
    font-size: 2rem;
  }

  .bracket-round {
    min-width: 300px;
  }

  .bracket-score-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-modal {
    width: calc(100vw - 1rem);
  }
}

@media (max-width: 480px) {
  .login-screen,
  .sidebar,
  .main-content {
    padding: 0.65rem;
  }

  .nav-tabs {
    grid-template-columns: 1fr;
  }

  .metric-card strong {
    font-size: 1.65rem;
  }

  .primary-btn,
  .ghost-btn,
  .danger-btn,
  .file-btn {
    min-height: 44px;
    padding: 0.68rem 0.78rem;
  }

  th,
  td {
    padding: 0.62rem;
  }
}