:root {
    --bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.6);
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --accent: #38bdf8;
}
body {
    font-family: system-ui, -apple-system, sans-serif;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg);
    background-image: radial-gradient(at 40% 20%, hsla(28,100%,74%,0.15) 0px, transparent 50%),
                      radial-gradient(at 80% 0%, hsla(189,100%,56%,0.1) 0px, transparent 50%),
                      radial-gradient(at 0% 50%, hsla(355,100%,93%,0.05) 0px, transparent 50%),
                      radial-gradient(at 80% 50%, hsla(340,100%,76%,0.05) 0px, transparent 50%),
                      radial-gradient(at 0% 100%, hsla(22,100%,77%,0.1) 0px, transparent 50%),
                      radial-gradient(at 80% 100%, hsla(242,100%,70%,0.1) 0px, transparent 50%);
    color: var(--text-main);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
h1 {
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}
.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    text-align: left;
    position: relative;
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px 0 rgba(56, 189, 248, 0.15);
    border-color: rgba(56, 189, 248, 0.3);
}
.card-icon { font-size: 2rem; color: var(--accent); margin-bottom: 1rem; }
.card a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1.3rem;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}
.card a:hover { color: var(--accent); }
.card p { color: var(--text-sub); margin: 0; line-height: 1.5; }
.tags { margin-top: 1.5rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag {
    background: rgba(255,255,255,0.1);
    color: var(--text-sub);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Plant widget */
#plant-wrap {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 10;
    font-size: 2.75rem;
    cursor: pointer;
    user-select: none;
    transition: transform 0.2s;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
}
#plant-wrap:hover { transform: scale(1.1); }
#plant-wrap:active { transform: scale(0.92); }

#water-popup {
    position: fixed;
    bottom: 6rem;
    right: 1.5rem;
    z-index: 10;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(56,189,248,0.3);
    border-radius: 0.8rem;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.25s, transform 0.25s;
}
#water-popup.show { opacity: 1; transform: translateY(0); }

/* Watering can animation */
#watering-can {
    position: fixed;
    right: 5.5rem;
    bottom: 5rem;
    width: 110px;
    z-index: 11;
    pointer-events: none;
    opacity: 0;
    transform: rotate(-10deg) translateY(14px);
    transform-origin: 50% 85%;
    transition: opacity 0.3s ease, transform 0.35s ease;
}
body.watering #watering-can {
    opacity: 1;
    transform: rotate(45deg) translateY(0);
}

.drop {
    position: fixed;
    z-index: 9;
    color: var(--accent);
    pointer-events: none;
    animation: fall 0.65s ease-in forwards;
}
@keyframes fall {
    to {
        transform: translate(12px, 60px);
        opacity: 0;
    }
}