:root {
  /* Color Palette */
  --primary: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #C8E6C9;
  --accent: #FFC107;
  --danger: #F44336;
  --warning: #FF9800;
  --info: #2196F3;
  --dark: #212121;
  --medium: #757575;
  --light: #F5F5F5;
  --white: #FFFFFF;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--light);
  color: var(--dark);
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header Styles */
header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 15px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 600;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-info img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.btn {
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s;
}

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

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

.btn-danger {
  background: var(--danger);
  color: white;
}

/* Auth Pages */
.auth-container {
  max-width: 400px;
  margin: 50px auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-container h2 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.auth-form input {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  transition: border 0.3s;
}

.auth-form input:focus {
  border-color: var(--primary);
  outline: none;
}

.auth-link {
  text-align: center;
  margin-top: 15px;
}

.auth-link a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

/* Dashboard Styles */
.add-item {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  margin-bottom: 30px;
}

#itemForm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

#itemForm input, 
#itemForm select {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

#itemForm button {
  grid-column: span 2;
}

.filter-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.filter-btn {
  padding: 8px 15px;
  background: #eee;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}

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

/* Item Cards */
#itemsContainer {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 15px;
}

.item-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
  padding: 15px;
  position: relative;
  border-left: 4px solid var(--primary);
  transition: transform 0.3s;
}

.item-card:hover {
  transform: translateY(-5px);
}

.item-card.expiring {
  border-left-color: var(--warning);
  background: #FFF3E0;
}

.item-card.expired {
  border-left-color: var(--danger);
  background: #FFEBEE;
}

.item-card h3 {
  margin-bottom: 5px;
  color: var(--dark);
}

.category-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 10px;
}

.food {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.medicine {
  background: #E3F2FD;
  color: #1565C0;
}

.cosmetics {
  background: #F3E5F5;
  color: #7B1FA2;
}

.other {
  background: #E0E0E0;
  color: var(--dark);
}

.expiry-date {
  font-size: 14px;
  color: var(--medium);
  margin: 5px 0;
}

.days-left {
  position: absolute;
  top: 15px;
  right: 15px;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 12px;
}

.safe {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.warning {
  background: #FFECB3;
  color: #FF6F00;
}

.danger {
  background: #FFCDD2;
  color: var(--danger);
}

.item-actions {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
  #itemForm {
    grid-template-columns: 1fr;
  }
  
  #itemForm button {
    grid-column: span 1;
  }
  
  #itemsContainer {
    grid-template-columns: 1fr;
  }
}
/* Auth Status Messages */
.status-info { color: var(--info); }
.status-success { color: var(--primary); }
.status-error { color: var(--danger); }

/* Auth Container */
.auth-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-form input {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.auth-link {
  text-align: center;
  margin-top: 1rem;
}

.auth-link a {
  color: var(--primary);
  text-decoration: none;
}
/* Spinner animation */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Disabled button style */
button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
/* style.css mein add karein */
.btn.loading {
  opacity: 0.7;
  cursor: wait;
}

.btn.loading::after {
  content: "...";
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% { content: "."; }
  40% { content: ".."; }
  60%, 100% { content: "..."; }
}