peo/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
    min-height: 100vh;
    color: #e2e8f0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

/* Main Content Styles */
.main-content {
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    border: none;
}


/* Items Grid Styles */
.items-container {
    display: grid;
    gap: 1.5rem;
}

.items-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.item-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out both;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 90px;
    border-left: 4px solid rgba(102, 126, 234, 0.3);
}

.item-card:hover {
    transform: translateX(4px) scale(1.01);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    border-left-color: #667eea;
    background: rgba(255, 255, 255, 0.05);
}

.item-info {
    flex: 1;
}

.item-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.item-price {
    font-size: 0.9rem;
    color: rgba(102, 126, 234, 0.8);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.visit-btn {
    background: #1a1a1a;
    color: #667eea;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    border: 1px solid #667eea;
    cursor: pointer;
    white-space: nowrap;
}

.visit-btn:hover {
    background: #2d2d2d;
    color: #764ba2;
    border-color: #764ba2;
    transform: translateX(2px);
}

.visit-btn:active {
    transform: translateX(0);
}

.remove-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #fed7d7;
    color: #c53030;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
}

.item-card:hover .remove-btn {
    opacity: 1;
    transform: scale(1);
}

.remove-btn:hover {
    background: #feb2b2;
    transform: scale(1.1);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: #718096;
    font-size: 1.1rem;
}

/* Footer Styles */
.footer {
    text-align: center;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    opacity: 0.7;
}

.footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2.2rem;
    }
    
    .main-content {
        padding: 1.5rem;
    }
    
    .add-item-section {
        flex-direction: column;
    }
    
    #new-item-input {
        min-width: 100%;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .item-card {
        padding: 1.25rem;
    }
    
    .item-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .item-card {
        padding: 1rem;
    }
    
    .item-text {
        font-size: 1rem;
    }
}

/* Loading and Interaction States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.success-message {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: #48bb78;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(72, 187, 120, 0.3);
    animation: slideUp 0.3s ease-out;
    z-index: 1000;
}

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