:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f7fb;
  color: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  background: linear-gradient(135deg, #0f4c81 0%, #2f71b1 100%);
  border-radius: 24px;
  color: white;
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: 0 18px 50px rgba(15, 76, 129, 0.18);
  position: relative;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.hero p {
  margin: 0;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
}

.back-home {
  position: absolute;
  top: 32px;
  left: 32px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.back-home:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
}

.district-filter-control {
  display: grid;
  gap: 8px;
  min-width: min(100%, 460px);
}

.district-filter-label {
  font-size: 0.9rem;
  color: #374151;
  font-weight: 600;
}

.district-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.district-chip {
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.district-chip:hover {
  border-color: #93c5fd;
  background: #eff6ff;
}

.district-chip.active {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: white;
}

.column-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#toggle-columns-btn {
  padding: 8px 16px;
  background: #6b7280;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  align-self: flex-start;
}

#toggle-columns-btn:hover {
  background: #4b5563;
}

.column-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
  background: #f9fafb;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.column-options.hidden {
  display: none;
}

.column-options label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  font-weight: 500;
}

#export-btn {
  padding: 12px 24px;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-end;
}

.board-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.bubble-panel,
.entry-panel {
  background: white;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.bubble-panel {
  padding: 16px;
}

.board-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 4px 12px;
}

.board-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.board-head p {
  margin: 0;
  font-size: 0.9rem;
  color: #4b5563;
  font-weight: 600;
}

.bubble-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  max-height: 68vh;
  overflow-y: auto;
  padding-right: 4px;
}

.constituency-bubble {
  border: 1px solid #dbe4ef;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #ffffff 5%, #eef4ff 80%);
  aspect-ratio: 1 / 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.constituency-bubble:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.15);
  border-color: #93c5fd;
}

.constituency-bubble.active {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.constituency-bubble.completed {
  background: radial-gradient(circle at 30% 20%, #ffffff 5%, #e8fff4 82%);
  border-color: #86efac;
}

.bubble-name {
  font-size: 0.77rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.15;
}

.bubble-district {
  font-size: 0.65rem;
  color: #475569;
  text-transform: uppercase;
}

.bubble-grid.hide-district .bubble-district {
  display: none;
}

.bubble-status {
  font-size: 0.68rem;
  font-weight: 700;
  color: #1d4ed8;
  letter-spacing: 0.02em;
}

.entry-panel {
  padding: 18px;
  position: sticky;
  top: 20px;
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
  width: 100%;
  overflow-x: hidden;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-header p {
  margin: 4px 0 0;
  color: #6b7280;
  font-size: 0.88rem;
}

.constituency-info {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
  display: grid;
  gap: 10px;
}

.info-box {
  background: #ffffff;
  border: 1px solid #dbe6f3;
  border-radius: 10px;
  padding: 8px 10px;
}

.candidate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px 10px;
  align-items: start;
}

.candidate-party {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
  text-align: center;
}

.candidate-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #0f172a;
  text-align: center;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px 12px;
}

.info-cell {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.info-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
}

.info-value {
  font-size: 0.82rem;
  font-weight: 600;
  color: #0f172a;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.info-label {
  text-align: center;
}

.prediction-form {
  margin-top: 12px;
  display: grid;
  gap: 12px;
  min-width: 0;
}

.prediction-form > * {
  min-width: 0;
}

.winner-group {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.winner-group legend {
  font-weight: 700;
  padding: 0;
  white-space: nowrap;
}

.required-mark {
  color: #dc2626;
  font-weight: 800;
}

.winner-group label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: #374151;
  white-space: nowrap;
}

.margin-group {
  display: grid;
  gap: 8px;
}

.vote-share-section {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
  background: #f8fafc;
  min-width: 0;
}

.vote-share-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.vote-share-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #0f172a;
}

.vote-share-total {
  font-size: 0.9rem;
  font-weight: 700;
  color: #1e3a8a;
}

.vote-share-total.is-error {
  color: #b91c1c;
}

.vote-share-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.vote-share-inputs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  min-width: 0;
}

.vote-field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  min-width: 0;
}

.vote-range-field {
  grid-template-columns: minmax(0, 1fr) auto;
  row-gap: 6px;
}

.vote-party {
  font-weight: 700;
  color: #1f2937;
  min-width: 0;
  overflow-wrap: anywhere;
}

.vote-value {
  font-size: 0.78rem;
  font-weight: 700;
  color: #1e3a8a;
  background: #dbeafe;
  border-radius: 999px;
  padding: 2px 8px;
  grid-column: 1 / -1;
  justify-self: start;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

.vote-percent-input {
  width: 68px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 3px 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #0f172a;
  background: #ffffff;
  text-align: right;
}

.vote-percent-input:focus {
  outline: 2px solid #93c5fd;
  outline-offset: 1px;
  border-color: #60a5fa;
}

.vote-percent-input::-webkit-outer-spin-button,
.vote-percent-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.vote-percent-input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.vote-field input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, #fecaca, #fde68a, #bfdbfe, #cbd5e1);
}

.vote-field input[type="range"]:focus {
  outline: none;
}

.vote-field input[type="range"][disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

.vote-field input[type="range"][disabled]::-webkit-slider-thumb {
  cursor: not-allowed;
}

.vote-field input[type="range"][disabled]::-moz-range-thumb {
  cursor: not-allowed;
}

.vote-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0f172a;
  border: 2px solid #ffffff;
  box-shadow: 0 1px 4px rgba(2, 6, 23, 0.25);
  cursor: pointer;
}

.vote-field input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0f172a;
  border: 2px solid #ffffff;
  box-shadow: 0 1px 4px rgba(2, 6, 23, 0.25);
  cursor: pointer;
}

.vote-share-status {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
}

.vote-share-status.is-good {
  color: #15803d;
}

.vote-share-status.is-warn {
  color: #b45309;
}

.vote-share-status.is-error {
  color: #b91c1c;
}

.margin-group label {
  font-size: 0.92rem;
  font-weight: 600;
  color: #374151;
}

#margin-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: linear-gradient(90deg, #bfdbfe, #60a5fa, #2563eb);
  border-radius: 999px;
  outline: none;
}

#margin-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0f172a;
  border: 2px solid white;
  cursor: pointer;
}

#margin-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0f172a;
  border: 2px solid white;
  cursor: pointer;
}

#margin-value {
  justify-self: end;
  font-weight: 700;
  color: #1e3a8a;
}

.entry-actions {
  display: flex;
  gap: 10px;
}

.secondary-btn {
  flex: 1;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
}

.secondary-btn:hover {
  background: #e2e8f0;
}

.primary-btn {
  flex: 1;
  border: 1px solid #166534;
  background: #16a34a;
  color: #ffffff;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn:hover {
  background: #15803d;
}

.submitter-section {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px;
  background: #f8fafc;
  min-width: 0;
}

.submitter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.submitter-field {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
}

.submitter-field input {
  width: 100%;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.9rem;
  color: #0f172a;
  background: #ffffff;
}

.submitter-field input:focus {
  outline: 2px solid #93c5fd;
  outline-offset: 1px;
  border-color: #60a5fa;
}

.submitter-field input.input-error {
  border-color: #ef4444;
  background: #fef2f2;
}

.field-error {
  min-height: 14px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #b91c1c;
}

.submit-feedback {
  margin: 0;
  min-height: 18px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #334155;
}

.submit-feedback.is-error {
  color: #b91c1c;
}

.submit-feedback.is-success {
  color: #15803d;
}

.empty-state {
  margin: 0;
  color: #6b7280;
  font-weight: 600;
  text-align: center;
  padding: 20px;
}

.hidden {
  display: none;
}

#export-btn:hover {
  background: #2563eb;
}

.search-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 420px;
  width: 100%;
}

.search-control label {
  font-size: 0.9rem;
  color: #374151;
  font-weight: 600;
}

#search-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 1rem;
  color: #111827;
}

#search-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.constituency-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.constituency-table th,
.constituency-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.constituency-table th {
  background: #f9fafb;
  font-weight: 600;
  color: #374151;
}

.constituency-table tbody tr:hover {
  background: #f3f4f6;
}

.winner-select {
  display: flex;
  gap: 8px;
  align-items: center;
}

.winner-select label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
}

.margin-slider {
  width: 120px;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: #ddd;
  outline: none;
  border-radius: 3px;
}

.margin-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #3b82f6;
  border-radius: 50%;
  cursor: pointer;
}

.margin-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #3b82f6;
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.margin-value {
  display: inline-block;
  width: 50px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: #374151;
}

.details-btn {
  padding: 6px 12px;
  background: #10b981;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.details-btn:hover {
  background: #059669;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 20;
}

.modal.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-panel {
  width: min(100%, 520px);
  background: #ffffff;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 32px 90px rgba(15, 23, 42, 0.18);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: #e5e7eb;
  color: #111827;
  font-size: 1.2rem;
  cursor: pointer;
}

.modal-subtitle {
  margin: 8px 0 16px;
  color: #6b7280;
  font-size: 0.95rem;
}

.details-list {
  display: grid;
  gap: 10px;
}

.details-list dt {
  font-size: 0.9rem;
  color: #6b7280;
}

.details-list dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
}

@media (max-width: 768px) {
  .app-shell {
    padding: 16px;
  }

  .hero {
    padding: 24px;
  }

  .controls {
    align-items: stretch;
  }

  #export-btn {
    width: 100%;
    align-self: stretch;
  }

  .board-layout {
    grid-template-columns: 1fr;
  }

  .bubble-grid {
    max-height: 52vh;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
  }

  .entry-panel {
    position: static;
  }
}

@media (max-width: 480px) {
  .bubble-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .entry-actions {
    flex-direction: column;
  }

  .submitter-grid {
    grid-template-columns: 1fr;
  }

  .vote-share-layout {
    grid-template-columns: 1fr;
  }

}