:root {
    --bg: #f6efe8;
    --surface: #fffdf8;
    --accent: #2d6a4f;
    --accent-strong: #1b4332;
    --accent-soft: #7ebc59;
    --text: #23312b;
    --muted: #6b736f;
    --border: #e4d9c8;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', Arial, sans-serif;
    margin: 0;
    background: linear-gradient(135deg, var(--bg), #fff8ed);
    color: var(--text);
}

h1, h2, h3 {
    color: var(--accent-strong);
}

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 6px 24px rgba(9, 32, 20, 0.06);
}

.nav-links a {
    margin-right: 12px;
    color: var(--accent);
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--accent-strong);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 10px 30px rgba(35, 49, 43, 0.06);
}

.hero {
    background: linear-gradient(125deg, rgba(126, 188, 89, 0.2), rgba(45, 106, 79, 0.12));
}

.auth-card {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 14px;
    padding: 1rem;
}

.editable-area {
    min-height: 120px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
    background: #fff;
}

.project-card {
    height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px rgba(35, 49, 43, 0.1);
}

.project-card.is-favorite {
    border-color: var(--accent-soft);
    box-shadow: 0 0 0 2px rgba(126, 188, 89, 0.25);
}

.tag-badge {
    display: inline-block;
    margin-right: 0.35rem;
    margin-bottom: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: #eef7e8;
    color: var(--accent);
    font-size: 0.8rem;
}

.favorite-btn.active {
    background: var(--accent-soft);
    color: white;
}

footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    text-align: center;
    color: var(--muted);
}