/* ZeitKonverter — v1.0.0 — 28.07.2026 */
/* Dark Theme (#0c0a04) · Inter · Glassmorphism · #4ade80 Accent */

:root {
  --bg-primary: #0c0a04;
  --bg-secondary: #15130d;
  --bg-surface: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.15);
  --accent-glow: rgba(74, 222, 128, 0.25);
  --text-primary: #f0f0ed;
  --text-secondary: #a0a09a;
  --text-muted: #6b6b65;
  --danger: #ef4444;
  --danger-dim: rgba(239, 68, 68, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f5f4f0;
  --bg-secondary: #edebe6;
  --bg-surface: rgba(0, 0, 0, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-hover: rgba(255, 255, 255, 0.8);
  --border-glass: rgba(0, 0, 0, 0.08);
  --accent: #16a34a;
  --accent-dim: rgba(22, 163, 74, 0.1);
  --accent-glow: rgba(22, 163, 74, 0.2);
  --text-primary: #1c1b17;
  --text-secondary: #5c5b55;
  --text-muted: #8c8b85;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 28px;
}

.header-content h1 {
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-content h1 i { color: var(--accent); }

.header-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.btn-icon {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
}

.btn-icon:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: var(--transition);
}

.input-card { margin-bottom: 28px; }

.input-mode-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-surface);
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-glass-hover); }

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

.input-group {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.input-field-wrapper { flex: 1; position: relative; }

#timeInput {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.25rem;
  font-weight: 500;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

#timeInput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

#timeInput::placeholder { color: var(--text-muted); font-weight: 400; }

.input-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  margin-left: 2px;
}

.input-hint i { margin-right: 4px; }

.btn-primary {
  background: var(--accent);
  color: #0c0a04;
  border: none;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.presets {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.preset-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: var(--transition);
}

.chip:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.results-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  flex: 1;
  padding-bottom: 40px;
}

.results-main { min-width: 0; }

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.result-card { text-align: center; padding: 20px 16px; }

.result-card.accent {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.result-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.result-card.accent .result-value { color: var(--accent); }

.industry-card { margin-bottom: 20px; }

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i { color: var(--accent); }

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.industry-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.industry-item {
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.industry-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.industry-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

.industry-breakdown { margin-top: 12px; }

.industry-breakdown h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 500;
}

.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}

.breakdown-item {
  background: var(--bg-surface);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.breakdown-item .bd-label { color: var(--text-muted); }
.breakdown-item .bd-value { color: var(--text-primary); font-weight: 500; font-variant-numeric: tabular-nums; }
.breakdown-item.current .bd-value { color: var(--accent); font-weight: 600; }

.fraction-card { margin-bottom: 20px; }

.fraction-table { overflow-x: auto; }

.fraction-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.fraction-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fraction-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-glass);
  font-variant-numeric: tabular-nums;
}

.fraction-table tr:hover td { background: var(--bg-surface); }
.fraction-table tr:last-child td { border-bottom: none; }

.fraction-table .highlight td {
  color: var(--accent);
  font-weight: 600;
}

.history-sidebar { min-width: 0; }

.history-card {
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 180px);
  display: flex;
  flex-direction: column;
}

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

.history-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-header h3 i { color: var(--accent); }

.btn-icon-sm {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.btn-icon-sm:hover {
  color: var(--danger);
  border-color: var(--danger-dim);
  background: var(--danger-dim);
}

.history-list {
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-empty {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px 0;
}

.history-empty i { display: block; font-size: 1.5rem; margin-bottom: 8px; }

.history-item {
  background: var(--bg-surface);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.history-item:hover { background: var(--bg-glass-hover); }

.history-item .hi-input {
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.history-item .hi-result {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.history-item .hi-result span {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
}

.history-item .hi-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.app-footer {
  padding: 16px 0;
  text-align: center;
  border-top: 1px solid var(--border-glass);
  margin-top: auto;
}

.app-footer p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.version { color: var(--text-secondary); }

@media (max-width: 900px) {
  .results-layout { grid-template-columns: 1fr; }
  .history-sidebar { order: 2; }
  .history-card { max-height: none; position: static; }
  .industry-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .app-shell { padding: 0 16px; }
  .app-header { padding: 20px 0 16px; margin-bottom: 20px; }
  .header-content h1 { font-size: 1.3rem; }
  .input-group { flex-direction: column; }
  .btn-primary { width: 100%; justify-content: center; }
  .result-grid { grid-template-columns: 1fr; }
  .input-mode-tabs { gap: 4px; }
  .tab-btn { padding: 6px 12px; font-size: 0.78rem; }
  .presets { flex-direction: column; align-items: flex-start; }
  .preset-chips { width: 100%; }
  .chip { flex: 1; text-align: center; }
  .breakdown-grid { grid-template-columns: repeat(2, 1fr); }
}