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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    padding: 20px 0;
}

/* Partículas flutuantes de fundo */
.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #ff6b35;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 8s infinite ease-in-out;
}

.particle-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.particle-2 {
    top: 20%;
    right: 15%;
    animation-delay: 1s;
}

.particle-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 2s;
}

.particle-4 {
    bottom: 25%;
    right: 10%;
    animation-delay: 3s;
}

.particle-5 {
    top: 40%;
    left: 5%;
    animation-delay: 1.5s;
}

.particle-6 {
    top: 60%;
    right: 8%;
    animation-delay: 2.5s;
}

.particle-7 {
    bottom: 40%;
    left: 12%;
    animation-delay: 0.5s;
}

.particle-8 {
    top: 80%;
    right: 20%;
    animation-delay: 3.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.2;
    }
}

/* Container principal */
.container {
    width: 100%;
    max-width: 500px;
    padding: 40px 20px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: fit-content;
}

/* Logo */
.logo-container {
    margin-bottom: 60px;
    text-align: center;
    opacity: 0;
    animation: fadeIn 1s ease-in forwards;
}

.logo-arc {
    width: 80px;
    height: 20px;
    border-top: 3px solid #ff6b35;
    border-radius: 50px 50px 0 0;
    margin: 0 auto 20px;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 5px #ff6b35);
    }
    50% {
        filter: drop-shadow(0 0 15px #ff6b35);
    }
}

.logo-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.logo-subtitle {
    color: #b0b0b0;
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Container de botões */
.buttons-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeIn 1s ease-in 0.5s forwards;
}

/* Botões de ação */
.action-button {
    width: 100%;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c61 100%);
    border: none;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 25px 40px;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.action-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.action-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.6);
}

.action-button:hover::before {
    left: 100%;
}

.action-button:active {
    transform: translateY(-1px);
}

/* Botão voltar */
.back-button {
    background: transparent;
    border: 2px solid #ff6b35;
    color: #ff6b35;
    font-size: 1rem;
    font-weight: 600;
    padding: 15px 50px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeIn 1s ease-in 1s forwards;
}

.back-button:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: #ff8c61;
    color: #ff8c61;
    transform: scale(1.05);
}

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

/* Responsividade */
@media (max-width: 768px) {
    body {
        align-items: flex-start;
        padding: 20px 0;
    }
    
    .container {
        padding: 30px 15px;
        min-height: 100vh;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px 0;
    }
    
    .container {
        padding: 20px 15px;
    }
    
    .logo-container {
        margin-bottom: 40px;
    }
    
    .logo-title {
        font-size: 2rem;
    }
    
    .logo-subtitle {
        font-size: 0.8rem;
    }
    
    .buttons-container {
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .action-button {
        font-size: 1rem;
        padding: 20px 30px;
        border-radius: 12px;
    }

    .back-button {
        font-size: 0.9rem;
        padding: 12px 40px;
        margin-bottom: 20px;
    }
}

@media (max-width: 360px) {
    .logo-title {
        font-size: 1.8rem;
    }
    
    .action-button {
        font-size: 0.95rem;
        padding: 18px 25px;
    }
    
    .back-button {
        font-size: 0.85rem;
        padding: 10px 35px;
    }
}