:root {
  --sc-black: #050505;
  --sc-surface: #0c0e0c;
  --sc-surface-raised: #121612;
  --sc-green: #00b83f;
  --sc-green-bright: #20db60;
  --sc-yellow: #ffd000;
  --sc-yellow-soft: #ffe46a;
  --sc-text: #f7f8f3;
  --sc-muted: #a9b3a9;
  --sc-border: rgba(255, 208, 0, 0.19);
  --sc-radius: 18px;
  --sc-shadow: 0 22px 65px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--sc-black);
  color: var(--sc-text);
  color-scheme: dark;
}
button, input, select, textarea {
  font: inherit;
}
.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 3vw, 2.5rem);
  background: rgba(5, 5, 5, 0.92);
  border-bottom: 1px solid var(--sc-border);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.32);
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  z-index: 50;
}
.admin-brand {
  align-items: center;
  display: flex;
  gap: 0.75rem;
}
.app-header .admin-brand a {
  align-items: center;
  color: inherit;
  display: flex;
  gap: 0.75rem;
  padding: 0;
  text-decoration: none;
}
.admin-brand img {
  border: 0;
  border-radius: 12px;
  height: 52px;
  object-fit: contain;
  width: 58px;
}
.app-header h1 {
  color: var(--sc-yellow);
  font-style: italic;
  font-weight: 950;
  letter-spacing: -0.05em;
  margin: 0;
  font-size: 1.35rem;
}
.app-header nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}
.app-header a {
  color: #d9ded9;
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 750;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.app-header nav a:hover { background: rgba(0, 184, 63, 0.13); color: #fff; }
.app-header a.active {
  background: linear-gradient(135deg, var(--sc-yellow), #f2ac00);
  box-shadow: 0 8px 24px rgba(255, 208, 0, 0.2);
  color: #080808;
}
.header-logout {
  padding: 0.5rem 0.85rem;
}
.menu-toggle {
  align-items: center;
  background: rgba(250, 232, 60, 0.12);
  border: 1px solid rgba(250, 232, 60, 0.28);
  display: none;
  gap: 0.22rem;
  height: 42px;
  justify-content: center;
  padding: 0;
  width: 42px;
}
.menu-toggle span {
  background: #fef08a;
  border-radius: 999px;
  display: block;
  height: 2px;
  width: 18px;
}
main {
  flex: 1;
  padding: 0;
}
main.admin-main {
  background:
    radial-gradient(circle at 8% 0%, rgba(0, 184, 63, 0.13), transparent 28rem),
    radial-gradient(circle at 100% 10%, rgba(255, 208, 0, 0.08), transparent 24rem),
    var(--sc-black);
  padding: clamp(1rem, 3vw, 2.5rem);
}
.card {
  background: linear-gradient(145deg, rgba(18, 22, 18, 0.97), rgba(8, 10, 8, 0.98));
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  box-shadow: var(--sc-shadow);
  padding: clamp(1rem, 2.3vw, 1.5rem);
  margin-bottom: 1.25rem;
}
.card h2 {
  color: var(--sc-yellow-soft);
  letter-spacing: -0.025em;
  margin-top: 0;
}
.accordion-card {
  overflow: hidden;
  padding: 0;
}
.accordion-card summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  padding: 1.1rem 1.25rem;
}
.accordion-card summary::-webkit-details-marker {
  display: none;
}
.accordion-card summary::after {
  color: #fef08a;
  content: "+";
  font-size: 1.5rem;
  font-weight: 800;
}
.accordion-card[open] summary::after {
  content: "-";
}
.accordion-card summary span {
  color: #fef08a;
  font-size: 1.25rem;
  font-weight: 800;
}
.accordion-card summary small {
  color: #d9f99d;
  margin-left: auto;
}
.accordion-body {
  border-top: 1px solid rgba(250,232,60,0.1);
  padding: 1.25rem;
}
.section-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}
section.grid {
  display: grid;
  gap: 1.25rem;
}
.form-grid {
  display: grid;
  gap: 1rem;
}
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(255, 208, 0, 0.18);
  background: #090b09;
  color: #f4f4f4;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--sc-green-bright);
  box-shadow: 0 0 0 3px rgba(32, 219, 96, 0.13);
}
label {
  color: #cbd5e1;
  display: grid;
  font-size: 0.9rem;
  font-weight: 700;
  gap: 0.45rem;
}
button {
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sc-yellow), #eda900);
  box-shadow: 0 8px 22px rgba(255, 208, 0, 0.14);
  color: #090909;
  font-weight: 850;
  padding: 0.85rem 1rem;
  cursor: pointer;
}
button:not(:disabled) { transition: filter 160ms ease, transform 160ms ease; }
button:not(:disabled):hover { filter: brightness(1.08); transform: translateY(-1px); }
button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
button.secondary {
  background: #263029;
  border: 1px solid rgba(32, 219, 96, 0.2);
  color: #fff;
}
button.danger {
  background: #dc2626;
  color: #fff;
}
.error-message {
  background: rgba(220, 38, 38, 0.16);
  border: 1px solid rgba(248, 113, 113, 0.4);
  border-radius: 8px;
  color: #fecaca;
  padding: 0.9rem 1rem;
}
.success-message {
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(74, 222, 128, 0.35);
  border-radius: 8px;
  color: #bbf7d0;
  padding: 0.9rem 1rem;
}
.loading-message {
  background: rgba(234, 179, 8, 0.14);
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: 8px;
  color: #fef08a;
  padding: 0.9rem 1rem;
}
.team-list, .match-list {
  display: grid;
  gap: 0.75rem;
}
.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(5, 7, 5, 0.78);
  border: 1px solid rgba(255, 208, 0, 0.13);
  padding: 1rem;
  border-radius: 14px;
  transition: border-color 160ms ease, transform 160ms ease;
}
.list-item:hover { border-color: rgba(0, 184, 63, 0.4); }
.list-item .item-main {
  display: grid;
  gap: 0.35rem;
}
.list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.live-panel {
  display: grid;
  gap: 1rem;
}
.modal-backdrop {
  align-items: center;
  background: rgba(0, 0, 0, 0.72);
  display: grid;
  inset: 0;
  padding: 1rem;
  position: fixed;
  z-index: 100;
}
.modal-panel {
  background: #0c100c;
  border: 1px solid rgba(250,232,60,0.18);
  border-radius: var(--sc-radius);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  display: grid;
  gap: 1rem;
  margin: auto;
  max-height: calc(100vh - 2rem);
  max-width: 520px;
  overflow: auto;
  padding: 1.25rem;
  width: min(100%, 520px);
}
.modal-panel.wide {
  max-width: 860px;
  width: min(100%, 860px);
}
.modal-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.modal-heading h2 {
  color: #fef08a;
  margin: 0;
}
.icon-button {
  padding: 0.6rem 0.8rem;
}

@media (max-width: 980px) {
  .app-header {
    align-items: center;
    padding: 0.85rem 1rem;
  }

  .menu-toggle {
    display: grid;
  }

  .app-header nav {
    background: #041713;
    border: 1px solid rgba(250,232,60,0.16);
    border-radius: 8px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
    display: none;
    gap: 0.35rem;
    left: 1rem;
    padding: 0.75rem;
    position: absolute;
    right: 1rem;
    top: calc(100% + 0.5rem);
  }

  .app-header nav.open {
    display: grid;
  }

  .app-header a,
  .header-logout {
    text-align: left;
    width: 100%;
  }

  main.admin-main {
    padding: 1rem;
  }
}