* {
  box-sizing: border-box;
}

:root {
  --text: #1f2933;
  --muted: #5f6c7a;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: rgba(252, 253, 255, 0.92);
  --border: rgba(102, 121, 142, 0.26);
  --shadow: 0 14px 30px rgba(25, 35, 50, 0.14);
  --accent: #e2762f;
  --accent-strong: #b94f17;
  --accent-soft: #eef3f8;
  --ok: #3fc388;
  --error: #ff6b81;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1100px 560px at 12% -10%, rgba(226, 118, 47, 0.14) 0%, transparent 62%),
    radial-gradient(860px 540px at 92% -2%, rgba(67, 120, 176, 0.12) 0%, transparent 60%),
    linear-gradient(145deg, #f2f5f8 0%, #e9eef3 48%, #f5f7fa 100%);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 30px 16px 44px;
}

h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.site-header h1 {
  margin: 0;
}

.tagline {
  display: block;
  font-size: 0.45em;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0;
  margin-top: 0.15em;
}

.logo-link {
  display: inline-flex;
  flex-shrink: 0;
}

.site-logo {
  height: 52px;
  width: auto;
  display: block;
}

@media (max-width: 800px) {
  .site-logo {
    height: 42px;
  }

  .site-header h1 {
    font-size: 1.5rem;
  }
}

.subtitle {
  margin-top: 0;
  color: var(--muted);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin: 16px 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}

.hint {
  margin-top: 0;
  color: var(--muted);
  font-size: 14px;
}

.hint-inline {
  color: var(--muted);
  font-weight: normal;
}

.slider-label {
  display: block;
  margin: 10px 0 6px;
}

.session-gone-notice {
  background: #fcebeb;
  color: #791f1f;
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0 0 12px;
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 2000;
}

.confirm-box {
  background: #fff;
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.confirm-box p {
  margin: 0 0 14px;
}

.confirm-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.confirm-box .hint {
  margin: 0;
}

.access-name-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 14px;
}

.access-name-list button strong {
  font-weight: 600;
}

.access-register-hint {
  margin-top: 4px;
}

.slider-ends {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 2px 0 8px;
  color: var(--muted);
  font-size: 13px;
}

.slider-ends span:last-child {
  text-align: right;
}

.mode-group {
  margin: 8px 0 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #f7f9fc;
}

.mode-group legend {
  padding: 0 6px;
  color: var(--text);
  font-weight: 600;
}

.mode-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  color: var(--text);
}

.mode-option input[type="radio"] {
  accent-color: var(--accent);
}

.mode-help {
  margin: 2px 0 8px 28px;
  color: var(--muted);
  font-size: 13px;
}

#originFilterControls {
  margin: 6px 0 10px;
  padding: 8px 10px 2px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.mode-select {
  margin-left: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #f7f9fc;
  color: var(--text);
}

#fairnessSlider {
  width: 100%;
  accent-color: var(--accent);
}

.participant-row {
  width: 100%;
  min-width: 0;
  max-width: none;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(300px, 1.5fr) auto auto;
  gap: 8px;
  margin-bottom: 10px;
  align-items: center;
}

.participant-row input {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #f8fafc;
  color: var(--text);
}

.participant-row input:focus,
.mode-select:focus {
  outline: 2px solid rgba(166, 63, 111, 0.35);
  outline-offset: 1px;
}

.gps-badge {
  grid-column: 1 / -1;
  color: var(--ok);
  font-size: 13px;
  min-height: 16px;
}

button {
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 9px 12px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: 0 10px 20px rgba(128, 45, 113, 0.26);
}

.secondary {
  background: #f6f8fb;
  border-color: var(--border);
  color: #2f3d4e;
}

.secondary:hover:not(:disabled) {
  background: #e9eff6;
}

.gps-btn.gps-active,
.gps-btn.gps-active:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 10px 20px rgba(128, 72, 45, 0.24);
}

.danger {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: 0 10px 20px rgba(128, 72, 45, 0.24);
}

.status {
  min-height: 20px;
  margin-top: 10px;
}

.calculate-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.recalc-hint {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.progress-wrap {
  width: 100%;
  height: 10px;
  background: #d9e2ec;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #4d9ddf 0%, var(--accent) 60%, var(--accent-strong) 100%);
  transition: width 220ms linear;
}

/* !important: wint ook van klassen die zelf display flex/grid zetten. */
.hidden {
  display: none !important;
}

.error {
  color: var(--error);
}

.success {
  color: var(--ok);
}

.results {
  display: grid;
  gap: 14px;
}

.result-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 15px;
  box-shadow: var(--shadow);
}

.result-title {
  margin: 0 0 8px;
}

.meta {
  font-size: 14px;
  color: #4f6073;
  margin-bottom: 8px;
}

.meta-help {
  text-decoration: underline dotted;
  text-underline-offset: 2px;
  cursor: help;
}

.meta-separator {
  color: #7e90a6;
}

.activity-wrap {
  margin-top: 12px;
}

.activity-content {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #f4f7fb;
}

.activity-section + .activity-section {
  margin-top: 10px;
}

.activity-title {
  margin: 0 0 6px;
  font-size: 14px;
}

.activity-list {
  margin: 0;
  padding-left: 18px;
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 4px 0;
  font-size: 14px;
}

.activity-links {
  display: inline-flex;
  gap: 10px;
  white-space: nowrap;
}

a {
  color: #2f6da8;
}

a:hover {
  color: #245582;
}

.activity-empty {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th,
td {
  border: 1px solid rgba(125, 96, 130, 0.2);
  padding: 9px;
  text-align: left;
  font-size: 14px;
}

th {
  background: #eef3f8;
}

.autocomplete-wrap {
  position: relative;
  min-width: 0;
}

.autocomplete-wrap input {
  width: 100%;
}

.autocomplete-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 40;
  overflow: hidden;
}

.autocomplete-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 9px 11px;
  cursor: pointer;
  font-size: 14px;
}

.autocomplete-item small {
  color: var(--muted);
  white-space: nowrap;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--accent-soft);
}

.map-wrap {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

#map {
  height: 380px;
  width: 100%;
}

.map-pin {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  border: 2px solid #fff;
  box-shadow: 0 3px 8px rgba(25, 35, 50, 0.35);
}

.session-title-edit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
}

.session-title-edit input {
  flex: 1;
  min-width: 200px;
  padding: 10px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #f8fafc;
  color: var(--text);
}

.session-link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 8px 0 14px;
}

.session-link {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
  background: #f4f7fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 9px;
  word-break: break-all;
}

.session-subtitle {
  margin: 16px 0 8px;
  font-size: 1.05rem;
}

.session-participants {
  list-style: none;
  margin: 8px 0;
  padding: 0;
}

.session-participants li {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #f8fafc;
  margin-bottom: 6px;
  font-size: 14px;
}

.session-participants li.me {
  border-color: var(--accent);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.self-buttons {
  margin-left: auto;
  display: inline-flex;
  gap: 6px;
}

.row-btn {
  padding: 4px 10px;
  font-size: 13px;
}

.self-edit-wrap {
  flex-basis: 100%;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.gps-badge.error {
  color: var(--error);
}

.excluded-row {
  color: var(--muted);
  font-style: italic;
}

.excluded-row a {
  color: var(--muted);
}

.map-popup-clickable {
  cursor: pointer;
}

@media (max-width: 800px) {
  .participant-row {
    width: 100%;
    min-width: 0;
    max-width: none;
    grid-template-columns: 1fr;
  }

  #map {
    height: 300px;
  }
}