/* Reset dasar untuk performa dan konsistensi */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* Menggunakan system font bawaan perangkat agar tidak perlu download font */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f3f4f6; 
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    color: #1f2937;
}

.card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    max-width: 450px;
    width: 100%;
    text-align: center;
}

.subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 15px;
}

p.desc {
    color: #4b5563;
    margin-bottom: 25px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.password-box {
    background-color: #eff6ff; 
    border: 1px dashed #93c5fd; 
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 30px;
}

.password-box span {
    display: block;
    font-size: 0.9rem;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.password-code {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    letter-spacing: 2px;
    user-select: all; 
}

.btn {
    display: block;
    background-color: #dd4814; 
    color: #ffffff;
    padding: 16px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 4px 6px -1px rgba(221, 72, 20, 0.3);
    cursor: pointer; 
}

.btn:hover {
    background-color: #c33e10;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -1px rgba(221, 72, 20, 0.4);
}

.btn:active {
    transform: translateY(0);
}