:root {
  --bg-color: #f0f2f5;
  --panel-bg: rgba(255, 255, 255, 0.95);
  --panel-border: 1px solid rgba(0, 0, 0, 0.08);
  --panel-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --accent-color: #000000;
  --error-bg: #fee2e2;
  --error-color: #ef4444;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Space Grotesk', sans-serif;
}

body {
  min-height: 100vh;
  margin: 0;
  background-color: var(--bg-color);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  transition: background-image 0.5s ease-in-out;
}

.app {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  text-align: center;
  letter-spacing: -1px;
}

/* Search Bar */
.search-bar {
  display: flex;
  gap: 12px;
  background: var(--panel-bg);
  padding: 12px;
  border-radius: var(--radius-lg);
  box-shadow: var(--panel-shadow);
  border: var(--panel-border);
  transition: var(--transition);
}

.search-bar:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  background: #f3f4f6;
  border-radius: var(--radius-md);
  padding: 0 16px;
  border: 1px solid transparent;
  transition: var(--transition);
}

.input-wrapper:focus-within {
  background: #fff;
  border-color: #d1d5db;
}

.location-icon {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

input {
  width: 100%;
  padding: 16px 12px;
  border: none;
  background: transparent;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 500;
  outline: none;
}

input::placeholder {
  color: #9ca3af;
  font-weight: 400;
}

button {
  padding: 0 24px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--accent-color);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
}

button:hover {
  background: #374151;
  transform: scale(0.98);
}

button:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.loading-icon {
  margin-left: 8px;
}

/* Error Message */
.error-container {
  background: var(--panel-bg);
  color: var(--error-color);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 1.1rem;
  box-shadow: var(--panel-shadow);
  border: 1px solid var(--error-bg);
  border-left: 4px solid var(--error-color);
  animation: slideIn 0.3s ease-out;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: minmax(140px, auto);
  gap: 16px;
  animation: fadeIn 0.5s ease-out forwards;
}

.bento-item {
  background: var(--panel-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--panel-shadow);
  border: var(--panel-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.item-main {
  grid-column: span 2;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
  background: #ffffff; /* pure white for contrast */
}

.bento-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bento-value {
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-top: auto;
}

.item-main .bento-value {
  font-size: 4.5rem;
  line-height: 1;
  letter-spacing: -2px;
  margin: 10px 0;
}

.item-main .bento-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: capitalize;
}

.item-main .city-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive */
@media (max-width: 480px) {
  .search-bar {
    flex-direction: column;
    padding: 16px;
  }
  
  button {
    padding: 16px;
    width: 100%;
  }

  .item-main .bento-value {
    font-size: 3.5rem;
  }
}