:root {
  --bg: #060812;
  --panel: #0e1220;
  --panel-border: #1e2436;
  --text-primary: #eef1fb;
  --text-secondary: #9aa1bd;
  --text-muted: #626a89;
  --accent: #f2a541;
  --accent-dim: #7a5a25;
  --above: #4fd39c;
  --below: #e8617a;
  --radius: 12px;
}

:root.night-mode {
  --bg: #050000;
  --panel: #140303;
  --panel-border: #3a0808;
  --text-primary: #ff5252;
  --text-secondary: #b33a3a;
  --text-muted: #6b1f1f;
  --accent: #ff3b3b;
  --accent-dim: #4d1414;
  --above: #ff7a7a;
  --below: #8a2828;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  position: relative;
  min-height: 100vh;
}

.stars {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(1.5px 1.5px at 20px 30px, #ffffff55, transparent),
    radial-gradient(1.5px 1.5px at 120px 90px, #ffffff44, transparent),
    radial-gradient(1px 1px at 220px 40px, #ffffff33, transparent),
    radial-gradient(2px 2px at 320px 140px, #ffffff44, transparent),
    radial-gradient(1px 1px at 60px 180px, #ffffff33, transparent),
    radial-gradient(1.5px 1.5px at 400px 60px, #ffffff44, transparent),
    radial-gradient(1px 1px at 480px 200px, #ffffff33, transparent);
  background-repeat: repeat;
  background-size: 520px 260px;
  opacity: 0.8;
}

.night-mode .stars {
  display: none;
}

.night-mode .logo {
  filter: brightness(0) saturate(100%) invert(20%) sepia(95%) saturate(1800%) hue-rotate(-22deg) brightness(130%) contrast(100%);
}

.site-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  width: auto;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
  transition: filter 0.2s ease;
}

.header-toggles {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.icon-toggle {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: #0a0d18;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

#night-toggle {
  font-size: 18px;
  font-weight: 400;
}

.header-text {
  margin-top: 16px;
}

.header-text h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.header-text p {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: 0.3px;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.panel {
  background: linear-gradient(180deg, var(--panel), #0b0e1a);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
}

.instructions {
  margin-bottom: 20px;
}

.faq-btn {
  width: 100%;
  min-height: 46px;
  margin-top: 20px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #0a0d18;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.faq-btn:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  background: linear-gradient(180deg, var(--panel), #0b0e1a);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--panel-border);
  flex-shrink: 0;
}

.modal-header h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.modal-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.faq-item {
  margin-bottom: 20px;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.faq-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.apps-intro {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.app-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #0a0d18;
  border: 1px solid var(--panel-border);
  text-decoration: none;
  color: var(--text-primary);
}

.app-item:hover {
  border-color: var(--accent-dim);
}

.app-item-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.app-name {
  font-size: 14px;
  font-weight: 600;
}

.app-badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.app-arrow {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 16px;
}

.result-box .modal-body {
  text-align: center;
}

.result-rate {
  margin: 8px 0 4px;
}

.result-rate-value {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.result-rate-unit {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.result-diff {
  font-size: 14px;
  font-weight: 600;
  margin: 10px 0 22px;
}

.result-diff.above {
  color: var(--above);
}

.result-diff.below {
  color: var(--below);
}

.result-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  border-radius: 10px;
  background: #0a0d18;
  border: 1px solid var(--panel-border);
  margin-bottom: 22px;
}

.result-rank-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-rank-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.result-box .primary-btn {
  margin-top: 0;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step {
  display: flex;
  gap: 12px;
}

.step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.step strong {
  color: var(--accent);
}

.main-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.submit-panel {
  order: 1;
}

.board-panel {
  order: 2;
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.board-header h2 {
  margin: 0;
}

#search-input {
  background: #0a0d18;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  flex: 1;
  min-width: 140px;
}

#search-input:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.expected-row {
  background: linear-gradient(90deg, #2a2010, #171308);
  border: 1px solid var(--accent-dim);
}

.night-mode .expected-row {
  background: linear-gradient(90deg, #2a0d0d, #170808);
}

.row-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.row-icon {
  font-size: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.row-name {
  font-size: 14px;
  font-weight: 600;
}

.row-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.row-right {
  text-align: right;
  flex-shrink: 0;
}

.row-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.row-unit {
  font-size: 11px;
  color: var(--text-muted);
}

.board-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rank-row {
  background: #0a0d18;
  border: 1px solid var(--panel-border);
}

.rank-num {
  font-size: 13px;
  color: var(--text-muted);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.rank-row .row-left {
  gap: 14px;
}

.rank-row .row-value.above {
  color: var(--above);
}

.rank-row .row-value.below {
  color: var(--below);
}

.row-diff {
  font-size: 11px;
  margin-top: 2px;
}

.row-diff.above {
  color: var(--above);
}

.row-diff.below {
  color: var(--below);
}

.empty-message {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 32px 0;
}

.mode-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.mode-tab {
  flex: 1;
  padding: 12px;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #0a0d18;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.mode-tab.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent-dim);
}

.mode-panel.hidden,
.hidden {
  display: none;
}

.submit-panel label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin: 16px 0 6px;
}

.submit-panel label:first-of-type {
  margin-top: 0;
}

.submit-panel input[type="text"],
.submit-panel input[type="number"] {
  width: 100%;
  min-height: 46px;
  background: #0a0d18;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--text-primary);
  font-size: 16px;
}

.time-row {
  display: flex;
  gap: 12px;
}

.time-field {
  position: relative;
  flex: 1;
}

.submit-panel .time-field input {
  padding-right: 42px;
}

.time-unit {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--text-muted);
  pointer-events: none;
}

.submit-panel input:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.primary-btn {
  width: 100%;
  min-height: 50px;
  margin-top: 20px;
  padding: 13px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #241505;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.primary-btn:hover {
  filter: brightness(1.08);
}

.primary-btn:active {
  filter: brightness(0.95);
}

.live-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.live-stat {
  flex: 1;
  background: #0a0d18;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.live-stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.live-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tap-btn {
  width: 100%;
  min-height: 160px;
  border: none;
  border-radius: 20px;
  background: var(--accent);
  color: #241505;
  font-size: 19px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.1s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.tap-btn:active {
  transform: scale(0.97);
  filter: brightness(0.95);
}

.tap-icon {
  font-size: 42px;
  line-height: 1;
}

.live-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.ghost-btn {
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.toggle input {
  appearance: none;
  -webkit-appearance: none;
  width: 40px;
  height: 24px;
  background: #232840;
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.toggle input:checked {
  background: var(--accent-dim);
}

.toggle input::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #cfd4e6;
  transition: transform 0.15s ease;
}

.toggle input:checked::before {
  transform: translateX(16px);
  background: var(--accent);
}

.finish-btn {
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: #1c2133;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--panel-border);
}

.night-mode .finish-btn {
  background: #200606;
}

.form-hint {
  min-height: 18px;
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--below);
}

.site-footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 12px;
}

.footer-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 11px;
  text-decoration: none;
  opacity: 0.6;
}

.footer-link:hover {
  opacity: 1;
  color: var(--text-secondary);
}

@media (min-width: 760px) {
  .site-header {
    padding: 40px 24px 24px;
  }

  .logo {
    height: 76px;
  }

  .header-text h1 {
    font-size: 32px;
  }

  .header-text p {
    font-size: 14px;
  }

  .page {
    padding: 0 24px 60px;
  }

  .panel {
    padding: 24px 28px;
  }

  .steps {
    flex-direction: row;
  }

  .step {
    flex: 1;
  }

  .main-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    align-items: start;
  }
}