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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2em;
}

/* Controls */
.controls {
    background: white;
    padding: 1.5em;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 2em;
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
    align-items: center;
}

.search-bar {
    flex: 1;
    min-width: 200px;
}

#searchInput {
    width: 100%;
    padding: 0.8em;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
}

#searchInput:focus {
    outline: none;
    border-color: #667eea;
}

.filter-bar {
    flex: 0 0 auto;
}

#categoryFilter {
    padding: 0.8em;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    background: white;
    cursor: pointer;
}

#categoryFilter:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.8em 1.5em;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5em;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
    border: none;
    padding: 0.8em 1.5em;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

/* Category Stats */
.category-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1em;
    margin-bottom: 2em;
}

.category-stat {
    background: white;
    padding: 1em;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.category-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.category-stat.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.category-stat .icon {
    font-size: 2em;
    margin-bottom: 0.3em;
}

.category-stat .name {
    font-weight: 600;
    font-size: 0.9em;
}

.category-stat .count {
    font-size: 1.2em;
    color: #667eea;
    font-weight: bold;
    margin-top: 0.2em;
}

.category-stat.active .count {
    color: white;
}

/* Ingredients Grid */
.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5em;
}

.ingredient-card {
    background: white;
    padding: 1.5em;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.ingredient-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
}

.ingredient-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1em;
}

.ingredient-name {
    font-size: 1.3em;
    font-weight: bold;
    color: #333;
}

.ingredient-category {
    display: inline-block;
    padding: 0.3em 0.8em;
    background: #f0f0f0;
    border-radius: 20px;
    font-size: 0.85em;
    color: #666;
}

.ingredient-details {
    display: flex;
    flex-direction: column;
    gap: 0.5em;
    margin-top: 1em;
}

.ingredient-detail {
    display: flex;
    align-items: center;
    gap: 0.5em;
    font-size: 0.9em;
    color: #666;
}

.ingredient-detail svg {
    color: #667eea;
}

.ingredient-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    margin-top: 0.8em;
}

.tag {
    background: #e8eaf6;
    color: #5c6bc0;
    padding: 0.2em 0.6em;
    border-radius: 12px;
    font-size: 0.8em;
}

.ingredient-actions {
    display: flex;
    gap: 0.5em;
    margin-top: 1em;
    padding-top: 1em;
    border-top: 1px solid #e0e0e0;
}

.btn-edit, .btn-delete {
    flex: 1;
    padding: 0.6em;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.2s;
}

.btn-edit {
    background: #e8eaf6;
    color: #5c6bc0;
}

.btn-edit:hover {
    background: #c5cae9;
}

.btn-delete {
    background: #ffebee;
    color: #e53935;
}

.btn-delete:hover {
    background: #ffcdd2;
}

/* Loading & Empty States */
.loading, .empty {
    text-align: center;
    padding: 3em;
    color: white;
    font-size: 1.2em;
    grid-column: 1 / -1;
}

.empty {
    background: white;
    color: #666;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5em;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h2 {
    margin: 0;
    color: #333;
}

.close {
    font-size: 2em;
    color: #999;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #333;
}

form {
    padding: 1.5em;
}

.form-group {
    margin-bottom: 1.2em;
}

.form-group label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 600;
    color: #333;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8em;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1em;
}

.modal-actions {
    display: flex;
    gap: 1em;
    justify-content: flex-end;
    padding-top: 1em;
    border-top: 1px solid #e0e0e0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1em;
    }

    .controls {
        flex-direction: column;
    }

    .search-bar {
        width: 100%;
    }

    #addButton {
        width: 100%;
        justify-content: center;
    }

    .ingredients-grid {
        grid-template-columns: 1fr;
    }

    .category-stats {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 1em;
    }
}