*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root,
[data-theme="light"] {
  --bg: #F3F4F6;
  --surface: #FFFFFF;
  --input-bg: #FFFFFF;
  --text: #111827;
  --text-muted: #6B7280;
  --border: #E5E7EB;
  --topbar-bg: #FFFFFF;
  --accent: #10B981;
  --accent-dark: #059669;
  --accent-bg: #ECFDF5;
  --accent-text-on: #111827;
  --terminal-label: #059669;
  --gross: #2563EB;
  --deduction: #D97706;
  --net: #059669;
  --step-inactive: #E5E7EB;
  --step-inactive-text: #6B7280;
  --step-completed-bg: #D1FAE5;
  --step-completed-text: #059669;
  --results-header-bg: #ECFDF5;
  --results-header-text: #059669;
  --results-glow: none;
  --line-text: #374151;
  --line-dots: #D1D5DB;
  --separator: #E5E7EB;
  --footer-text: #9CA3AF;
  --error-bg: #FEF2F2;
  --error-border: #FECACA;
  --error-text: #DC2626;
  --toggle-bg: #F3F4F6;
  --toggle-border: #E5E7EB;
  --toggle-text: #374151;
  --notice-bg: #FFFBEB;
  --notice-border: #F59E0B;
  --notice-icon-color: #111827;
  --notice-title: #B45309;
  --notice-text: #78350F;
}

[data-theme="dark"] {
  --bg: #111827;
  --surface: #1F2937;
  --input-bg: #111827;
  --text: #F9FAFB;
  --text-muted: #9CA3AF;
  --border: #374151;
  --topbar-bg: #1F2937;
  --accent: #10B981;
  --accent-dark: #059669;
  --accent-bg: #064E3B;
  --accent-text-on: #111827;
  --terminal-label: #10B981;
  --gross: #60A5FA;
  --deduction: #F59E0B;
  --net: #10B981;
  --step-inactive: #374151;
  --step-inactive-text: #9CA3AF;
  --step-completed-bg: #065F46;
  --step-completed-text: #10B981;
  --results-header-bg: #064E3B;
  --results-header-text: #10B981;
  --results-glow: 0 0 12px rgba(16, 185, 129, 0.4);
  --line-text: #F9FAFB;
  --line-dots: #4B5563;
  --separator: #374151;
  --footer-text: #4B5563;
  --error-bg: #1F2937;
  --error-border: #374151;
  --error-text: #EF4444;
  --toggle-bg: #374151;
  --toggle-border: #4B5563;
  --toggle-text: #E5E7EB;
  --notice-bg: rgba(245, 158, 11, 0.1);
  --notice-border: #F59E0B;
  --notice-icon-color: #111827;
  --notice-title: #FBBF24;
  --notice-text: #D1D5DB;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  transition: background 0.2s ease, color 0.2s ease;
}

.top-bar {
  height: 48px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.top-bar-link {
  color: var(--text);
  text-decoration: none;
}
.top-bar-link:hover { color: var(--accent); }

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--toggle-text);
  border-radius: 4px;
  padding: 0.2rem 0.45rem;
  font-size: 0.65rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  opacity: 0.7;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.lang-btn:hover { opacity: 1; }

.lang-btn.active {
  background: var(--toggle-hover);
  opacity: 1;
  color: var(--accent);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

.status-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  color: var(--toggle-text);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.main-content {
  max-width: 640px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.wizard-card {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.progress-list {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--step-inactive);
  color: var(--step-inactive-text);
  transition: all 0.2s ease;
}

.step-item.active .step-circle {
  background: var(--accent);
  color: var(--accent-text-on);
}

.step-item.completed .step-circle {
  background: var(--step-completed-bg);
  color: var(--step-completed-text);
}

.step-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.step-line {
  width: 48px;
  height: 2px;
  background: var(--step-inactive);
  margin: 0 0.5rem;
  margin-bottom: 1.25rem;
  transition: background 0.2s ease;
}
.step-line.completed { background: var(--accent); }

.wizard-body { padding: 2rem; }
.wizard-body.hidden { display: none; }
.progress-bar.hidden { display: none; }

.wizard-step.hidden { display: none; }

.terminal-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--terminal-label);
  margin-bottom: 0.5rem;
}

.terminal-label-spaced { margin-top: 1.5rem; }

.terminal-input,
.terminal-select {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.75rem 1rem;
  width: 100%;
  outline: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.terminal-select {
  font-size: 1rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2310B981' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.terminal-input:focus,
.terminal-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.terminal-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.terminal-input-wrap .terminal-input { font-size: 1.25rem; }
.terminal-input-padded { padding-left: 1.75rem; }

.input-prefix {
  position: absolute;
  left: 1rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.input-suffix {
  position: absolute;
  right: 1rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.input-suffix-note {
  position: absolute;
  right: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: all 0.15s ease;
}
.pill:hover { border-color: var(--accent); color: var(--text); }
.pill.active {
  background: var(--accent);
  color: var(--accent-text-on);
  border-color: var(--accent);
  font-weight: 700;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-text-on);
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 0.875rem 1.5rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: background 0.15s ease;
}
.btn-primary:hover { background: var(--accent-dark); color: #F9FAFB; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  border-radius: 8px;
  padding: 0.875rem 1.5rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
}
.btn-ghost:hover { background: rgba(16, 185, 129, 0.1); }

.btn-full { width: 100%; margin-top: 1.5rem; }

.btn-scan {
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-row {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}
.btn-row .btn-primary,
.btn-row .btn-ghost { flex: 1; margin-top: 0; }

.results-view {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.results-view.visible { opacity: 1; }
.results-view.hidden { display: none; }

.results-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--results-header-text);
  background: var(--results-header-bg);
  padding: 0.75rem 2rem;
  text-shadow: var(--results-glow);
}

.results-body { padding: 2rem; }

.terminal-output {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.8;
  white-space: pre;
  overflow-x: auto;
}

.terminal-line { display: block; }
.terminal-line .line-text { color: var(--line-text); }
.terminal-line .line-dots { color: var(--line-dots); }
.terminal-line .line-amount.gross { color: var(--gross); }
.terminal-line .line-amount.deduction { color: var(--deduction); }
.terminal-line.net-line .line-text,
.terminal-line.net-line .line-dots { color: var(--line-text); }
.terminal-line.net-line .line-amount { color: var(--net); font-size: 1.25rem; font-weight: 700; }

.terminal-separator {
  display: block;
  color: var(--separator);
  line-height: 1.8;
}

.anomaly-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 1.25rem 0;
  font-style: italic;
}

.footer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--footer-text);
  text-align: center;
  padding: 2rem;
}

.site-notice {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  max-width: 640px;
  margin: 2rem auto 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--notice-border);
  border-left: 4px solid var(--notice-border);
  border-radius: 8px;
  background: var(--notice-bg);
}

.site-notice-icon {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--notice-border);
  color: var(--notice-icon-color);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.875rem;
}

.site-notice-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--notice-title);
  margin-bottom: 0.35rem;
}

.site-notice-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--notice-text);
}

.site-notice-text strong {
  color: var(--notice-title);
  font-weight: 700;
}

.site-notice-privacy {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--notice-border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--notice-title);
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer a:hover { color: var(--accent); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.noscript-fallback {
  max-width: 640px;
  margin: 2rem auto;
  padding: 1rem;
  text-align: center;
  color: var(--error-text);
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 8px;
}

@media (max-width: 480px) {
  .progress-bar { padding: 1rem; }
  .step-line { width: 24px; }
  .step-label { display: none; }
}