:root {
    --bg: #f8fafc; --card: #ffffff; --text: #0f172a; --accent: #6366f1;
    --border: #e2e8f0; --secondary: #64748b; --sidebar-w: 280px;
}
[data-theme="dark"] {
    --bg: #0b0f1a; --card: #161e2e; --text: #f1f5f9; --border: #1e293b;
}
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text); margin: 0; display: flex; transition: 0.3s; }
#sidebar { width: var(--sidebar-w); height: 100vh; background: var(--card); border-right: 1px solid var(--border); position: fixed; left: 0; transition: 0.3s; z-index: 1001; padding: 20px; box-sizing: border-box; overflow-y: auto; }
#sidebar.collapsed { left: calc(var(--sidebar-w) * -1); }
.toggle-side-btn { position: fixed; bottom: 20px; left: 20px; z-index: 1002; width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--border); }
#main-content { flex: 1; margin-left: var(--sidebar-w); transition: 0.3s; padding: 40px; min-height: 100vh; display: flex; flex-direction: column; }
#main-content.expanded { margin-left: 0; }
.recipe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin-top: 30px; }
.recipe-card { background: var(--card); border-radius: 20px; overflow: hidden; border: 1px solid var(--border); cursor: pointer; transition: 0.3s; }
.recipe-card img { width: 100%; height: 180px; object-fit: cover; }
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 2000; justify-content: center; align-items: center; backdrop-filter: blur(10px); }
.modal-content { background: var(--card); width: 90%; max-width: 600px; max-height: 85vh; border-radius: 24px; padding: 30px; overflow-y: auto; }
.glass-card { background: var(--card); padding: 30px; border-radius: 24px; border: 1px solid var(--border); }
.btn { padding: 12px 20px; border-radius: 12px; border: none; cursor: pointer; font-weight: 700; background: var(--accent); color: white; transition: 0.2s; }
.btn:hover { opacity: 0.9; transform: translateY(-2px); }
input { flex:1; padding:12px; border-radius:12px; border:1px solid var(--border); background: var(--bg); color: var(--text); }
.tag { background: #6366f115; color: var(--accent); padding: 6px 12px; border-radius: 8px; font-weight: 600; display: inline-flex; margin-right: 5px; }
footer { margin-top: auto; text-align: center; padding: 40px 0; font-size: 0.8rem; letter-spacing: 2px; }