:root {
    --primary-color: #e76f51;
    --secondary-color: #f4a261;
    --accent-color: #2a9d8f;
    --background-color: #fff7f0;
    --surface-color: #ffffff;
    --text-color: #2f2a27;
    --muted-text: #6f645c;
    --shadow-color: rgba(33, 24, 18, 0.12);
}

body[data-theme="dark"] {
    --primary-color: #ff8c69;
    --secondary-color: #f7b267;
    --accent-color: #7bdcb5;
    --background-color: #141210;
    --surface-color: #1e1b18;
    --text-color: #f6f1ec;
    --muted-text: #c8beb6;
    --shadow-color: rgba(0, 0, 0, 0.4);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 140, 105, 0.2), transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(123, 220, 181, 0.18), transparent 55%),
        url('data:image/svg+xml,%3Csvg width=\"120\" height=\"120\" viewBox=\"0 0 120 120\" xmlns=\"http://www.w3.org/2000/svg\"%3E%3Cpath d=\"M20 24c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm60 32c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm-60 0c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm60 32c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8z\" fill=\"%23ffffff\" fill-opacity=\"0.05\"/%3E%3C/svg%3E');
}

* {
    box-sizing: border-box;
}

body {
    font-family: "SUIT", "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(231, 111, 81, 0.16), transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(42, 157, 143, 0.14), transparent 55%),
        url('data:image/svg+xml,%3Csvg width="120" height="120" viewBox="0 0 120 120" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M20 24c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm60 32c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm-60 0c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8zm60 32c4.4 0 8-3.6 8-8s-3.6-8-8-8-8 3.6-8 8 3.6 8 8 8z" fill="%23e76f51" fill-opacity="0.08"/%3E%3C/svg%3E');
    background-attachment: fixed;
}

.site-header {
    background: var(--primary-color);
    color: #fff;
    padding: 1.5rem 1rem;
    box-shadow: 0 8px 18px var(--shadow-color);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    max-width: 1080px;
    margin: 0 auto;
}

.site-header h1 {
    margin: 0;
    font-size: 2.2rem;
    letter-spacing: 0.02em;
}

.header-subtitle {
    margin: 0.35rem 0 0;
    color: rgba(255, 255, 255, 0.9);
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.32);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
}

.hero {
    margin-bottom: 2.5rem;
}

.hero-card {
    background: var(--surface-color);
    padding: 2rem 2.5rem;
    border-radius: 24px;
    box-shadow: 0 18px 36px var(--shadow-color);
}

.hero-card h2 {
    margin-top: 0;
    font-size: 2rem;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.2rem;
}

.hero-tags span {
    background: rgba(42, 157, 143, 0.15);
    color: var(--accent-color);
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
}

.recipe-generator {
    background: var(--surface-color);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px var(--shadow-color);
}

.section-head {
    text-align: left;
    margin-bottom: 1.5rem;
}

.subtitle {
    margin: 0.4rem 0 0;
    color: var(--muted-text);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 1.2rem 0 0.4rem;
}

.filter-btn {
    border: 1px solid rgba(231, 111, 81, 0.3);
    background: transparent;
    color: var(--text-color);
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(231, 111, 81, 0.2);
}

.filter-btn.is-active {
    background: var(--primary-color);
    color: #fff;
    border-color: transparent;
}

.filter-info {
    margin: 0 0 1.4rem;
    color: var(--muted-text);
}

.primary-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.95rem 2.4rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(231, 111, 81, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 28px rgba(231, 111, 81, 0.6);
}

.favorite-btn {
    margin-top: 1rem;
    border: 1px solid rgba(42, 157, 143, 0.35);
    background: rgba(42, 157, 143, 0.12);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.favorite-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(42, 157, 143, 0.25);
}

.favorite-btn.is-active {
    background: var(--accent-color);
    color: #fff;
    border-color: transparent;
}

.recipe-card {
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(231, 111, 81, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: inset 0 0 0 1px rgba(231, 111, 81, 0.1);
}

.fade-in {
    animation: fadeInUp 0.45s ease;
}

body[data-theme="dark"] .recipe-card {
    background: rgba(30, 27, 24, 0.92);
}

.recipe-header {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.recipe-header h3 {
    margin: 0;
    font-size: 1.7rem;
}

.recipe-summary {
    color: var(--muted-text);
    margin: 0.5rem 0 0;
}

.recipe-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--accent-color);
}

.recipe-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.5rem;
}

.recipe-tags span {
    background: rgba(244, 162, 97, 0.2);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.recipe-tags .tag-strong {
    background: rgba(42, 157, 143, 0.2);
    color: var(--accent-color);
}

.recipe-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.recipe-body ul,
.recipe-body ol {
    margin: 0.6rem 0 0;
    padding-left: 1.2rem;
    color: var(--muted-text);
}

.recipe-tip {
    margin-top: 1.8rem;
    background: rgba(42, 157, 143, 0.12);
    border-radius: 16px;
    padding: 1rem 1.2rem;
    color: var(--text-color);
}

.care-notice {
    margin-top: 2.5rem;
    text-align: center;
    color: var(--muted-text);
}

.favorites {
    margin-top: 3rem;
}

.favorite-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.2rem;
}

.favorite-card {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 1rem 1.2rem;
    box-shadow: 0 12px 24px var(--shadow-color);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.favorite-card h4 {
    margin: 0;
}

.favorite-card p {
    margin: 0;
    color: var(--muted-text);
}

.favorite-actions {
    display: flex;
    gap: 0.6rem;
}

.favorite-actions button {
    flex: 1;
    border: none;
    border-radius: 999px;
    padding: 0.45rem 0.8rem;
    cursor: pointer;
    font-weight: 600;
}

.favorite-actions .open-btn {
    background: var(--primary-color);
    color: #fff;
}

.favorite-actions .remove-btn {
    background: rgba(231, 111, 81, 0.15);
    color: var(--text-color);
}

.favorite-empty {
    margin-top: 1rem;
    color: var(--muted-text);
}

footer {
    text-align: center;
    padding: 2rem 1rem 3rem;
    color: var(--muted-text);
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .recipe-generator {
        padding: 2rem 1.5rem;
    }

    .hero-card {
        padding: 1.6rem 1.8rem;
    }
}

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