:root {
  --bg: #f8f9fa;
  --panel: #ffffff;
  --muted: #6c757d;
  --accent: #ff922b;
  --green: #2b8a3e;
  --red: #c92a2a;
  --blue: #1c7ed6;
  --card: #f1f3f5;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --radius: 12px;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", "Courier New", monospace;
  --gap: 14px;
  --transition: all 0.2s ease;
}

[data-theme="dark"] {
  --bg: #0b0d10;
  --panel: #111214;
  --muted: #9aa0a6;
  --accent: #ff9f1c;
  --green: #28a745;
  --red: #dc3545;
  --blue: #4dabf7;
  --card: #151617;
  --shadow: 0 4px 12px rgba(0,0,0,0.15);
}

* { box-sizing: border-box; }
html, body { 
  height: 100%; 
  margin: 0; 
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; 
  background: var(--bg); 
  color: #212529; 
  transition: var(--transition); 
}
[data-theme="dark"] body { color: #e7e9ec; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1100px; margin: 14px auto; padding: 14px; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
[data-theme="dark"] .navbar {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.2px;
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
}
.nav-link {
  color: var(--muted);
  transition: var(--transition);
  font-weight: 500;
  font-size: 14px;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
}

header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: 0.2px; color: var(--accent); }
.top-controls { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.btn { 
  background: #e9ecef; 
  border: 1px solid rgba(0,0,0,0.08); 
  color: #495057; 
  padding: 8px 12px; 
  border-radius: 10px; 
  cursor: pointer; 
  font-weight: 600; 
  font-size: 14px;
  transition: var(--transition); 
}
[data-theme="dark"] .btn { 
  background: #1c1f22; 
  border-color: rgba(255,255,255,0.04); 
  color: #e6e8eb; 
}
.btn:hover { 
  background: #dee2e6; 
  transform: translateY(-1px); 
  box-shadow: var(--shadow);
}
[data-theme="dark"] .btn:hover { background: #25282c; }
.btn.ghost { background: transparent; border: 1px solid rgba(0,0,0,0.08); }
[data-theme="dark"] .btn.ghost { border-color: rgba(255,255,255,0.04); }
.btn.tiny { padding: 5px 8px; border-radius: 8px; font-size: 13px; }
.btn.active { background: var(--accent); color: #000; }

.stats-row { 
  display: flex; 
  gap: 10px; 
  margin-bottom: 12px; 
  flex-wrap: nowrap; 
  overflow-x: auto; 
  padding-bottom: 6px; 
}
.stat { 
  background: var(--card); 
  padding: 8px 10px; 
  border-radius: 10px; 
  min-width: 100px; 
  text-align: left; 
  border: 1px solid rgba(0,0,0,0.05); 
  transition: var(--transition); 
  flex-shrink: 0;
  box-shadow: var(--shadow);
}
[data-theme="dark"] .stat { border-color: rgba(255,255,255,0.02); }
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 18px; margin-top: 2px; font-weight: 700; }

.panel { 
  background: linear-gradient(180deg, #ffffff, #f8f9fa); 
  padding: 16px; 
  border-radius: 14px; 
  border: 1px solid rgba(0,0,0,0.05); 
  transition: var(--transition);
  box-shadow: var(--shadow);
}
[data-theme="dark"] .panel { 
  background: linear-gradient(180deg, #0f1113, #0d0f11); 
  border-color: rgba(255,255,255,0.02); 
}

.settings { 
  display: flex; 
  gap: 16px; 
  margin-top: 14px; 
  align-items: flex-start; 
  flex-wrap: wrap; 
}
.col { 
  background: transparent; 
  flex: 1; 
  min-width: 260px; 
}
.panel-card { 
  background: var(--panel); 
  padding: 10px; 
  border-radius: 12px; 
  border: 1px solid rgba(0,0,0,0.05); 
  transition: var(--transition);
  box-shadow: var(--shadow);
}
[data-theme="dark"] .panel-card { border-color: rgba(255,255,255,0.02); }
.row { 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  margin-bottom: 10px; 
}
label { color: var(--muted); min-width: 120px; font-size: 14px; }
select, input[type=checkbox] { 
  padding: 7px; 
  border-radius: 8px; 
  background: #ffffff; 
  border: 1px solid rgba(0,0,0,0.1); 
  color: #212529; 
  transition: var(--transition); 
}
[data-theme="dark"] select, [data-theme="dark"] input[type=checkbox] { 
  background: #0b0c0d; 
  border-color: rgba(255,255,255,0.03); 
  color: #ddd; 
}

.mode-duration-row { 
  display: flex; 
  gap: 10px; 
  margin-bottom: 10px; 
  flex-wrap: wrap; 
}
.mode-section, .duration-section { flex: 1; min-width: 200px; }
.mode-section label, .duration-section label { 
  display: block; 
  margin-bottom: 6px; 
  color: var(--muted); 
  font-size: 13px; 
}
.mode-buttons, .time-list { 
  display: flex; 
  gap: 6px; 
  flex-wrap: wrap; 
}
.mode-btn, .time-btn { 
  padding: 6px 10px; 
  border-radius: 8px; 
  background: #e9ecef; 
  border: 1px solid rgba(0,0,0,0.05); 
  cursor: pointer; 
  font-weight: 600; 
  font-size: 13px;
  transition: var(--transition); 
}
[data-theme="dark"] .mode-btn, [data-theme="dark"] .time-btn { 
  background: #121314; 
  border-color: rgba(255,255,255,0.02); 
}
.mode-btn.active, .time-btn.active { 
  background: var(--accent); 
  color: #000; 
}

.cursor-options { display: flex; gap: 6px; }
.cursor-btn { 
  padding: 6px 10px; 
  background: #e9ecef; 
  border-radius: 8px; 
  border: 1px solid rgba(0,0,0,0.05); 
  cursor: pointer; 
  transition: var(--transition); 
  font-size: 13px;
}
[data-theme="dark"] .cursor-btn { 
  background: #121314; 
  border-color: rgba(255,255,255,0.02); 
}
.cursor-btn.active { background: var(--accent); color: #000; }
.slider { width: 100%; }

footer { 
  margin-top: 8px; 
  color: var(--muted); 
  text-align: center; 
  padding: 6px;
  font-size: 13px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.footer-link {
  color: var(--muted);
  transition: var(--transition);
  font-size: 13px;
}
.footer-link:hover, .footer-link.active {
  color: var(--accent);
}
.modal { 
  position: fixed; 
  inset: 0; 
  display: none; 
  align-items: center; 
  justify-content: center; 
  background: rgba(0,0,0,0.6); 
  z-index: 40; 
  padding: 16px;
}
.modal-card { 
  background: var(--panel); 
  padding: 16px; 
  border-radius: 12px; 
  border: 1px solid rgba(0,0,0,0.05); 
  min-width: 300px; 
  max-width: 90vw; 
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
[data-theme="dark"] .modal-card { border-color: rgba(255,255,255,0.03); }
.result-row { 
  display: flex; 
  justify-content: space-between; 
  padding: 6px 0; 
  border-bottom: 1px dashed rgba(0,0,0,0.05); 
  font-size: 14px;
}
[data-theme="dark"] .result-row { border-color: rgba(255,255,255,0.03); }
.result-row:last-child { border-bottom: 0; }

.theme-toggle { 
  background: transparent; 
  border: none; 
  color: var(--muted); 
  cursor: pointer; 
  font-size: 16px; 
  padding: 6px; 
  border-radius: 8px; 
  transition: var(--transition); 
}
.theme-toggle:hover { color: var(--accent); }

.progress-container { 
  width: 100%; 
  height: 5px; 
  background: rgba(0,0,0,0.05); 
  border-radius: 3px; 
  margin-top: 8px; 
  overflow: hidden; 
}
[data-theme="dark"] .progress-container { background: rgba(255,255,255,0.05); }
.progress-bar { 
  height: 100%; 
  background: var(--accent); 
  width: 0%; 
  transition: width 0.3s ease; 
  border-radius: 3px;
}

.additional-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.mini-stat {
  background: var(--card);
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 11px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 70px;
}

.mini-stat .label {
  color: var(--muted);
  font-size: 10px;
}

.mini-stat .value {
  font-weight: 600;
  margin-top: 2px;
  font-size: 12px;
}

@keyframes pulse {
  0% { background-color: rgba(255,159,28,0.12); }
  50% { background-color: rgba(255,159,28,0.2); }
  100% { background-color: rgba(255,159,28,0.12); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.info-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.info-page h1 {
  color: var(--accent);
  margin-bottom: 20px;
  font-size: 2rem;
}

.info-page h2 {
  color: var(--accent);
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.info-page p {
  line-height: 1.6;
  margin-bottom: 15px;
  color: var(--muted);
}

.info-page ul, .info-page ol {
  margin-left: 20px;
  margin-bottom: 20px;
}

.info-page li {
  line-height: 1.6;
  margin-bottom: 8px;
  color: var(--muted);
}

.info-page .last-updated {
  font-style: italic;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 30px;
  border-top: 1px solid rgba(0,0,0,0.1);
  padding-top: 15px;
}

[data-theme="dark"] .info-page .last-updated {
  border-color: rgba(255,255,255,0.1);
}

/* FAQ Section Styles */
.faq-section {
  background: var(--panel);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.05);
  margin-top: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

[data-theme="dark"] .faq-section {
  border-color: rgba(255,255,255,0.02);
}

.faq-section h2 {
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 24px;
  font-size: 1.5rem;
  text-align: center;
}

.faq-category {
  margin-bottom: 32px;
}

.faq-category h3 {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 1.2rem;
  border-bottom: 1px dashed rgba(0,0,0,0.1);
  padding-bottom: 8px;
}

[data-theme="dark"] .faq-category h3 {
  border-color: rgba(255,255,255,0.1);
}

.faq-item {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--card);
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

[data-theme="dark"] .faq-item {
  border-color: rgba(255,255,255,0.02);
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.faq-item h4 {
  color: var(--muted);
  margin: 0 0 8px 0;
  font-size: 1rem;
  font-weight: 600;
}

.faq-item p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  font-size: 0.9rem;
}

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