:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --accent: #bb86fc;
    --accent-hover: #9965f4;
    --input-bg: #2c2c2c;
    --border: #333;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', sans-serif; }

body { background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; }

.container { max-width: 1000px; margin: 0 auto; padding: 20px; }

header { text-align: center; margin-bottom: 40px; padding: 20px 0; border-bottom: 1px solid var(--border); }
header h1 { color: var(--accent); font-size: 2.5rem; }
.back-link { color: var(--text-color); text-decoration: none; font-size: 0.9rem; }

/* Grid System */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Product Card */
.card { background: var(--card-bg); border-radius: 10px; overflow: hidden; transition: transform 0.2s; box-shadow: 0 4px 6px rgba(0,0,0,0.3); }
.card:hover { transform: translateY(-5px); }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 15px; text-align: center; }
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.price { font-size: 1.2rem; font-weight: bold; margin-bottom: 15px; color: #03dac6; }

/* Buttons */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #000;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); }
.btn-full { width: 100%; margin-top: 10px; }
.btn:disabled { background: #555; cursor: not-allowed; }

/* Form Styling */
.form-wrapper { max-width: 500px; margin: 0 auto; background: var(--card-bg); padding: 30px; border-radius: 10px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 0.9rem; }
input, select, textarea {
    width: 100%;
    padding: 12px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-color);
    border-radius: 5px;
    outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }
textarea { height: 80px; resize: none; }

.hidden { display: none; }
.info-box { background: #2a2a2a; padding: 10px; border-left: 3px solid #03dac6; margin-bottom: 15px; font-size: 0.9rem; }
#status-msg { margin-top: 10px; text-align: center; font-size: 0.9rem; }

/* Responsive */
@media (max-width: 600px) {
    header h1 { font-size: 2rem; }
    .grid { grid-template-columns: 1fr; }
}