* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: #eef6ff;
  background:
    radial-gradient(circle at top left, rgba(255, 62, 215, 0.18), transparent 34rem),
    linear-gradient(135deg, #0b1018, #111b28 58%, #081019);
  font-family: Inter, Segoe UI, system-ui, sans-serif;
}

button,
input {
  font: inherit;
}

button,
a {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #f8fbff;
  background: rgba(255, 255, 255, 0.09);
  text-decoration: none;
  cursor: pointer;
}

button {
  padding: 0.7rem 1rem;
}

a {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1rem;
}

button:hover,
a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.admin-shell {
  width: min(1180px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
}

.admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.admin-header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem;
}

.admin-header h1,
.panel-title h2 {
  margin: 0;
}

.admin-header p,
.panel-title p,
.role-card small {
  color: rgba(238, 246, 255, 0.72);
}

.eyebrow {
  margin: 0 0 0.3rem;
  color: #ff6be6;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admin-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 1.2rem;
  padding: 1rem;
  background: rgba(7, 12, 20, 0.78);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.session-settings-panel {
  margin-bottom: 1rem;
}

.best-times-admin-panel {
  margin-bottom: 1rem;
}

.session-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.8rem;
  margin: 1rem 0;
}

.field-checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: start;
  gap: 0.45rem 0.6rem;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.035);
}

.field-checkbox input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.08rem 0 0;
}

.field-checkbox small {
  grid-column: 2;
  color: rgba(238, 246, 255, 0.65);
}

.panel-title,
.admin-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.role-groups {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
}

.admin-best-times {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
}

.best-time-track-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.055);
}

.best-time-track-card.has-invalid-times {
  border-color: rgba(255, 88, 88, 0.48);
}

.best-time-track-header {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(18rem, auto);
  gap: 1rem;
  align-items: end;
}

.best-time-track-header h3,
.best-time-track-header p {
  margin: 0;
}

.best-time-track-header p {
  color: rgba(238, 246, 255, 0.68);
}

.best-time-min-field {
  display: grid;
  grid-template-columns: 1fr 7rem auto;
  gap: 0.55rem;
  align-items: end;
}

.best-time-min-field span {
  grid-column: 1 / -1;
  color: rgba(238, 246, 255, 0.78);
  font-size: 0.82rem;
}

.best-time-min-field input {
  min-width: 0;
}

.best-time-entry-list {
  display: grid;
  gap: 0.35rem;
  max-height: 24rem;
  overflow: auto;
  padding-right: 0.25rem;
}

.best-time-entry-row {
  display: grid;
  grid-template-columns: 5.7rem 7.5rem minmax(12rem, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.55rem 0.65rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.055);
}

.best-time-entry-row.is-invalid {
  background: rgba(255, 74, 74, 0.18);
}

.best-time-entry-row.is-public {
  border: 1px solid rgba(116, 221, 255, 0.25);
  background: rgba(80, 185, 238, 0.1);
}

.best-time-rank {
  color: rgba(238, 246, 255, 0.58);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.best-time-entry-row span {
  color: rgba(238, 246, 255, 0.78);
}

.best-time-list-heading {
  margin: 0;
  color: #bdeeff;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.best-time-list-empty {
  margin: 0;
  padding: 0.7rem;
  color: rgba(238, 246, 255, 0.62);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
}

.best-time-hidden-details {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 0.75rem;
}

.best-time-hidden-details summary {
  cursor: pointer;
  color: rgba(238, 246, 255, 0.7);
  font-weight: 700;
}

.best-time-hidden-list {
  margin-top: 0.7rem;
  max-height: 18rem;
}

.role-card {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.055);
}

.role-fields {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(16rem, 1.4fr) auto;
  gap: 0.7rem;
  align-items: end;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field span {
  color: rgba(238, 246, 255, 0.78);
  font-size: 0.82rem;
}

.field input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.75rem;
  padding: 0.72rem 0.8rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.22);
}

.permission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.55rem;
}

.permissions-title {
  margin-top: 0.2rem;
  color: #ff8bea;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.permission-option {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  user-select: none;
}

.permission-option:hover {
  border-color: rgba(255, 77, 219, 0.42);
  background: rgba(255, 77, 219, 0.1);
}

.permission-option.is-active {
  border-color: rgba(255, 77, 219, 0.78);
  background: rgba(255, 77, 219, 0.2);
  box-shadow: inset 0 0 0 1px rgba(255, 77, 219, 0.22);
}

.permission-option input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: #ff4ddb;
  flex: 0 0 auto;
}

.permission-option span {
  font-weight: 700;
}

.danger-button {
  border-color: rgba(255, 99, 99, 0.35);
  color: #ffdede;
}

.empty-state {
  padding: 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 1rem;
  color: rgba(238, 246, 255, 0.7);
}

@media (max-width: 760px) {
  .admin-header,
  .panel-title,
  .admin-actions,
  .role-fields,
  .best-time-track-header,
  .best-time-min-field,
  .best-time-entry-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .admin-header,
  .panel-title,
  .admin-actions {
    display: grid;
  }
}