styles.css

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

:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --bg-color: #F7F9FC;
    --card-bg: #FFFFFF;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-dark);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, var(--primary-color), #FF8E53);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, 20px) rotate(5deg); }
}

.header-content {
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 3em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.5s ease-out;
}

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

.tagline {
    font-size: 1.2em;
    opacity: 0.95;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 0.95; }
}

main {
    padding: 40px 30px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

@media (max-width: 968px) {
    main {
        grid-template-columns: 1fr;
    }
}

section {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

section:hover {
    transform: translateY(-2px);
}

h2 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.8em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    position: relative;
    margin-bottom: 25px;
}

#ingredient-search {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #E0E0E0;
    border-radius: 50px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
}

#ingredient-search:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
    transform: scale(1.02);
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    margin-top: 10px;
    display: none;
}

.suggestions.active {
    display: block;
    animation: slideIn 0.3s ease-out;
}

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

.suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid #f0f0f0;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: var(--bg-color);
    padding-left: 25px;
}

.suggestion-item mark {
    background: var(--accent-color);
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: bold;
}

.selected-ingredients {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 100px;
}

.ingredient-tag {
    background: linear-gradient(135deg, var(--secondary-color), #45B7AA);
    color: white;
    padding: 10px 15px;
    border-radius: 25px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    animation: popIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    cursor: default;
    transition: all 0.3s ease;
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.ingredient-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.ingredient-tag .remove-btn {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 16px;
    line-height: 1;
}

.ingredient-tag .remove-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

.empty-state {
    width: 100%;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.empty-icon {
    font-size: 4em;
    display: block;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.recipe-count {
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.recipes-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.recipe-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out;
    border: 2px solid transparent;
}

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

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.recipe-image {
    font-size: 3em;
    text-align: center;
    margin-bottom: 15px;
    animation: rotate 3s ease-in-out infinite;
}

@keyframes rotate {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.recipe-card h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.recipe-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.9em;
    color: var(--text-light);
}

.recipe-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.match-score {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 10px;
}

.missing-ingredients {
    font-size: 0.85em;
    color: #FF9800;
    margin-top: 8px;
    padding: 8px;
    background: #FFF3E0;
    border-radius: 8px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: scaleIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    margin: 20px;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.7);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: #FF5252;
    transform: rotate(90deg);
}

.recipe-detail-image {
    font-size: 5em;
    text-align: center;
    margin-bottom: 20px;
}

.recipe-detail h2 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

.recipe-detail .recipe-meta {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.ingredients-list {
    margin-bottom: 30px;
}

.ingredients-list h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.ingredients-list ul {
    list-style: none;
}

.ingredients-list li {
    padding: 10px;
    margin-bottom: 8px;
    background: var(--bg-color);
    border-radius: 8px;
    position: relative;
    padding-left: 30px;
}

.ingredients-list li::before {
    content: '✓';
    position: absolute;
    left: 10px;
    color: var(--secondary-color);
    font-weight: bold;
}

.instructions-list h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.instructions-list ol {
    padding-left: 20px;
}

.instructions-list li {
    padding: 12px;
    margin-bottom: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    line-height: 1.6;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #45B7AA;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    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); }
}