body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

.container {
    max-width: 600px;
    padding: 40px;
    background-color: #1e1e1e;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-top: 4px solid #4da6ff;
}

.logo-placeholder {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4da6ff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #ffffff;
}

p {
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 25px;
    color: #a0a0a0;
}

.action-box {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.highlight {
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 15px;
}

.bookmark-btn, .notify-btn {
    background-color: #4da6ff;
    color: #121212;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.bookmark-btn:hover, .notify-btn:hover {
    background-color: #80c1ff;
}

.notify-form {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.notify-form input {
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #3d3d3d;
    border-radius: 5px;
    background-color: #121212;
    color: #ffffff;
    width: 60%;
}

.notify-form input:focus {
    outline: none;
    border-color: #4da6ff;
}