/* styles.css */
:root {
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, -apple-system, sans-serif; color: #fff; }
body { overflow: hidden; height: 100vh; background: #121212; }

.bg-image {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: url('https://images.unsplash.com/photo-1495195134817-a1a28078aca9?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
    filter: blur(8px) brightness(0.35);
    z-index: -1;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.app-container {
    display: flex; height: 100vh; padding: 20px; gap: 20px; flex-direction: column;
}

@media(min-width: 768px) {
    .app-container { flex-direction: row; }
}

.pantry-sidebar {
    flex: 1; padding: 24px; overflow-y: auto; max-width: 400px;
    display: flex; flex-direction: column; gap: 15px;
}

.pantry-sidebar h2 { font-size: 1.5rem; font-weight: 600; }

#pantry-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.pantry-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px; border-radius: 12px; background: rgba(0,0,0,0.25);
    transition: transform 0.2s, background 0.2s;
}

.pantry-item:hover { transform: translateX(5px); background: rgba(0,0,0,0.4); }

.delete-btn {
    background: rgba(255, 71, 87, 0.8); border: none; border-radius: 8px;
    width: 30px; height: 30px; cursor: pointer; font-weight: bold; transition: 0.2s;
}
.delete-btn:hover { background: rgba(255, 71, 87, 1); transform: scale(1.1); }

.main-content { flex: 3; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; padding-right: 10px; }
.header { padding: 24px; text-align: center; }

.recipe-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px; padding-bottom: 100px;
}

.recipe-card {
    padding: 24px; display: flex; flex-direction: column; gap: 15px;
    position: relative; overflow: hidden; min-height: 180px; transition: transform 0.3s;
}
.recipe-card:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.2); }

.badge {
    position: absolute; top: 16px; right: 16px; font-size: 0.75rem;
    padding: 6px 10px; border-radius: 20px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge.perfect { background: #2ed573; color: #121212; box-shadow: 0 0 10px rgba(46, 213, 115, 0.5); }
.badge.missing { background: #ffa502; color: #121212; }

.recipe-btn {
    margin-top: auto; padding: 12px; border: none; border-radius: 12px;
    background: rgba(255, 255, 255, 0.2); cursor: pointer; font-weight: 600; transition: 0.2s;
}
.recipe-btn:hover { background: rgba(255, 255, 255, 0.35); }

.fab {
    position: fixed; bottom: 30px; right: 30px; width: 75px; height: 75px;
    border-radius: 50%; border: 1px solid var(--glass-border); font-size: 1.1rem;
    font-weight: bold; cursor: pointer; transition: transform 0.3s, background 0.3s;
    z-index: 100; display: flex; align-items: center; justify-content: center;
}
.fab:hover { transform: scale(1.08); background: rgba(255, 255, 255, 0.3); }

.modal {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(5px);
    display: flex; justify-content: center; align-items: center;
    z-index: 200; opacity: 1; transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal.hidden { opacity: 0; pointer-events: none; }

.modal-content {
    padding: 40px; width: 90%; max-width: 400px; text-align: center;
    display: flex; flex-direction: column; gap: 25px; transform: translateY(0); transition: 0.3s;
}
.modal.hidden .modal-content { transform: translateY(30px); }

input[type="file"] {
    padding: 15px; background: rgba(255,255,255,0.1); border-radius: 12px; border: 1px dashed rgba(255,255,255,0.5); cursor: pointer;
}

#close-modal {
    padding: 12px; border: none; border-radius: 12px; cursor: pointer;
    background: rgba(255,255,255,0.15); font-weight: 600; transition: 0.2s;
}
#close-modal:hover { background: rgba(255,255,255,0.3); }

.hidden { display: none !important; }

.spinner {
    width: 35px; height: 35px; border: 3px solid rgba(255,255,255,0.2);
    border-top-color: #2ed573; border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto 15px;
}
@keyframes spin { to { transform: rotate(360deg); } }