:root {
  --jd-green: #367C2B;
  --jd-green-dark: #2a6122;
  --jd-yellow: #FFDE00;
  --jd-yellow-dim: #d4b800;
  --bg-dark: #1a1a1a;
  --bg-panel: #242424;
  --bg-input: #2e2e2e;
  --border: #3a3a3a;
  --text: #e8e8e8;
  --text-muted: #888;
  --danger: #e74c3c;
  --success: #27ae60;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 30px;
  border-bottom: 2px solid var(--jd-green);
  margin-bottom: 24px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  font-size: 2.5rem;
  background: var(--jd-green);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--jd-yellow);
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 2px;
}

/* Panels */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.panel h2 {
  font-size: 1.1rem;
  color: var(--jd-green);
  margin-bottom: 16px;
  font-weight: 600;
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.full-width { grid-column: 1 / -1; }

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.field input, .field select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--jd-green);
}

.field input::placeholder {
  color: #555;
}

/* Buttons */
.btn-row {
  display: flex;
  gap: 12px;
}

.btn-primary {
  background: var(--jd-green);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.btn-primary:hover { background: var(--jd-green-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s;
}

.btn-secondary:hover { border-color: var(--text-muted); }

.btn-settings {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
}

.btn-settings:hover { border-color: var(--jd-green); color: var(--jd-green); }

/* Settings */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.settings-panel {
  border-color: var(--jd-yellow-dim);
}

/* Drive Info */
.drive-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--jd-yellow);
}

.time-breakdown {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.time-breakdown .step {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-breakdown .step-arrow {
  color: var(--jd-green);
}

/* Suggestions */
.slot-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.slot-card:hover {
  border-color: var(--jd-green);
  background: #2a2a2a;
}

.slot-info h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 4px;
}

.slot-info .slot-time {
  color: var(--jd-yellow);
  font-weight: 600;
  font-size: 0.95rem;
}

.slot-info .slot-reason {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 4px;
}

.slot-action {
  color: var(--jd-green);
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Upcoming */
.upcoming-list .event-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.upcoming-list .event-card:last-child { border-bottom: none; }

.event-date {
  text-align: center;
  min-width: 50px;
}

.event-date .day {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--jd-yellow);
}

.event-date .month {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.event-details h4 {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 2px;
}

.event-details p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.muted { color: var(--text-muted); font-style: italic; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-panel);
  border: 1px solid var(--jd-green);
  border-radius: 16px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
}

.modal-content h2 {
  color: var(--jd-green);
  margin-bottom: 16px;
}

.modal-content .detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.modal-content .detail-row:last-of-type { border-bottom: none; margin-bottom: 20px; }
.modal-content .detail-label { color: var(--text-muted); }
.modal-content .detail-value { color: var(--text); font-weight: 500; }

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--jd-green);
  color: white;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  z-index: 2000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Responsive */
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr 1fr; }
  .drive-stats { flex-direction: column; gap: 12px; }
  header { flex-direction: column; gap: 12px; align-items: flex-start; }
  .slot-card { flex-direction: column; align-items: flex-start; gap: 12px; }
}