/* ===========================
   RESET BÁSICO
=========================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
}

/* ===========================
   CONTAINER PRINCIPAL
=========================== */

.container {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    padding: 30px 25px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    animation: fadeIn 0.6s ease;
}

/* ===========================
   LOGO
=========================== */

.logo {
    width: 140px;
    display: block;
    margin: 0 auto 25px auto;
}

/* ===========================
   INPUTS
=========================== */

.container input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: none;
    outline: none;
    font-size: 16px;
    margin-bottom: 14px;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.container input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

/* ===========================
   BOTÃO PRINCIPAL
=========================== */

.container button {
    width: 100%;
    padding: 15px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, #00c853, #64dd17);
    color: #0a0a0a;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.container button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 200, 83, 0.45);
}

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

/* ===========================
   QR CODE
=========================== */

#qrcode {
    margin-top: 25px;
    padding: 18px;
    background: #ffffff;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    animation: scaleIn 0.4s ease;
}

/* ===========================
   TEXTOS AUXILIARES
=========================== */

.small-text {
    margin-top: 15px;
    font-size: 13px;
    text-align: center;
    opacity: 0.75;
}

/* ===========================
   ANIMAÇÕES
=========================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===========================
   RESPONSIVO
=========================== */

@media (max-width: 480px) {
    .container {
        padding: 25px 20px;
        border-radius: 16px;
    }

    .logo {
        width: 120px;
    }
}