* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0b0b0b;
    color: #d4af37;
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle, #1a1a1a 0%, #050505 100%);
}

.container {
    text-align: center;
    padding: 40px;
    border: 1px solid #d4af37;
    background: rgba(15, 15, 15, 0.85);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.15);
    border-radius: 8px;
    max-width: 480px;
    width: 90%;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    pointer-events: none;
    border-radius: 10px;
}

h1 {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    margin-bottom: 10px;
    letter-spacing: 3px;
    color: #f3e5ab;
}

p.subtitle {
    font-size: 0.85rem;
    color: #8c8c8c;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group {
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    background-color: #000;
    border: 1px solid #d4af37;
    color: #f3e5ab;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    font-size: 1rem;
    letter-spacing: 1px;
    border-radius: 4px;
    outline: none;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    border-color: #fff;
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #d4af37 0%, #aa7c11 100%);
    border: none;
    color: #000;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.3s ease, transform 0.1s ease;
}

button:hover {
    opacity: 0.9;
}

button:active {
    transform: scale(0.98);
}

#resultado {
    margin-top: 25px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    min-height: 50px;
    word-break: break-word;
    color: #f3e5ab;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 15px;
    line-height: 1.6;
}

.aviso-privado {
    display: block;
    font-size: 0.85rem;
    color: #cf6679;
    letter-spacing: 1px;
    margin-top: 8px;
}

.error {
    color: #cf6679 !important;
    font-size: 1rem !important;
    font-weight: normal !important;
}