:root {
  --bg-color: #f4f8f5;
  --card-bg: #ffffff;
  --text-main: #2d3748;
  --text-muted: #718096;
  --primary: #2e7d32;
  --primary-hover: #1b5e20;
  --border-color: #e2e8f0;
  
  /* Badge colors */
  --badge-green-bg: #e8f5e9;
  --badge-green-text: #1b5e20;
  --badge-green-border: #a5d6a7;
  
  --badge-yellow-bg: #fffde7;
  --badge-yellow-text: #f57f17;
  --badge-yellow-border: #fff59d;

  --badge-red-bg: #ffebee;
  --badge-red-text: #b71c1c;
  --badge-red-border: #ef9a9a;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  padding: 20px;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 600px;
}

header {
  margin-bottom: 24px;
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Form Styling */
.plant-form {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.form-group.grow {
  flex: 1 1 180px;
}

.form-group.shrink {
  flex: 0 1 120px;
}

label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

input {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus {
  border-color: var(--primary);
}

button.btn-add {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-end;
  flex: 1 1 100%;
  transition: background-color 0.2s;
}

@media (min-width: 480px) {
  button.btn-add {
    flex: 0 0 auto;
  }
}

button.btn-add:hover {
  background-color: var(--primary-hover);
}

/* Plant Card Grid */
.plant-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plant-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.plant-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.plant-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-delete {
  background: none;
  border: none;
  color: #a0aec0;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.2s;
}

.btn-delete:hover {
  color: #e53e3e;
}

/* Badge Styling */
.status-badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid transparent;
}

.status-green {
  background-color: var(--badge-green-bg);
  color: var(--badge-green-text);
  border-color: var(--badge-green-border);
}

.status-yellow {
  background-color: var(--badge-yellow-bg);
  color: var(--badge-yellow-text);
  border-color: var(--badge-yellow-border);
}

.status-red {
  background-color: var(--badge-red-bg);
  color: var(--badge-red-text);
  border-color: var(--badge-red-border);
}

/* Action Footer */
.card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.btn-water {
  background-color: #2196f3;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
  transition: background-color 0.2s;
}

.btn-water:hover {
  background-color: #1976d2;
}

.empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  background: white;
  border-radius: 12px;
  border: 1px dashed var(--border-color);
}