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

:root {
  --primary: #004d00;
  --primary-light: #006600;
  --accent: #b30000;
  --accent-hover: #cc0000;
  --white: #ffffff;
  --bg: #f5f5f5;
  --text: #1a1a1a;
  --text-light: #666666;
  --border: #d0d0d0;
  --card-bg: #ffffff;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-content h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.header-sub {
  font-size: 0.75rem;
  opacity: 0.85;
  font-weight: 400;
}

.container {
  flex: 1;
  padding: 1rem;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.form-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="number"],
input[type="datetime-local"],
input[type="date"] {
  width: 100%;
  padding: 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 77, 0, 0.1);
}

input::placeholder {
  color: var(--text-light);
}

.toggle-group {
  display: flex;
  gap: 0.5rem;
}

.toggle-btn {
  flex: 1;
  padding: 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.switch-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.switch-label-off,
.switch-label-on {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  min-width: 2.5rem;
}

.switch-label-on {
  color: var(--primary);
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 26px;
  transition: 0.2s;
}

.slider::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: 0.2s;
}

input:checked + .slider {
  background: var(--primary);
}

input:checked + .slider::before {
  transform: translateX(22px);
}

.km-mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.km-mode-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.km-mode-toggle label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-group-inline {
  flex: 1;
}

.form-group-inline label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.hidden {
  display: none !important;
}

.btn-primary {
  width: 100%;
  padding: 1rem;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.history-section {
  margin-top: 1.5rem;
}

.history-section h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.history-list {
  list-style: none;
}

.history-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
}

.history-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.history-item-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.history-item-date {
  font-size: 0.75rem;
  color: var(--text-light);
}

.history-item-details {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.6;
}

.history-item-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn-share-small {
  flex: 1;
  padding: 0.5rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-delete-small {
  padding: 0.5rem 0.75rem;
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-secondary {
  width: 100%;
  padding: 0.75rem;
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.75rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 200;
  transition: opacity 0.3s, transform 0.3s;
}

.toast.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(1rem);
}