* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f2f4f7;
    color: #222;
}

header {
    background: #171717;
    color: white;
    text-align: center;
    padding: 25px 15px;
    border-bottom: 5px solid #d62828;
}

header h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 2px;
}

header p {
    margin-bottom: 0;
    color: #ddd;
}

main {
    max-width: 800px;
    margin: 25px auto;
    padding: 15px;
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.stock-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border-top: 4px solid #245a9a;
    box-shadow: 0 2px 8px #00000010;
}

.stock-card h2 {
    font-size: 16px;
}

.stock-card p {
    font-size: 32px;
    font-weight: bold;
    margin: 10px 0 0;
}

.stock-section {
    background: white;
    margin-top: 25px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px #00000010;
}

button {
    background: #245a9a;
    color: white;
    border: none;
    padding: 14px 22px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #193f70;
}

.empty-message {
    color: #777;
    text-align: center;
    padding: 30px 10px;
}

@media (max-width: 500px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
}

#stockForm {
    margin-top: 20px;
    max-width: 400px;
}

#stockForm label {
    display: block;
    margin-top: 15px;
    margin-bottom: 6px;
    font-weight: bold;
}

#stockForm input {
    display: block;
    width: 100%;
    padding: 12px;
    border: 1px solid #bbb;
    border-radius: 6px;
    font-size: 16px;
    margin-bottom: 10px;
}

#stockForm button {
    margin-top: 10px;
    margin-right: 8px;
}