:root {
    --bg-color: #080808;
    --second-bg-color: #131313;
    --text-color: white;
    --main-color: #00ffee;
}

/* Formulário 3D Melhorado */
.form {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    color: var(--text-color);
    border-radius: 15px;
    box-shadow: 
        15px 15px 30px rgba(0, 0, 0, 0.7),
        -15px -15px 30px rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 238, 0.2);
    transition: all 0.3s ease;
}

.form:hover {
    transform: translateY(-5px);
    box-shadow: 
        20px 20px 40px rgba(0, 0, 0, 0.8),
        -20px -20px 40px rgba(255, 255, 255, 0.03);
}

.form label {
    display: block;
    text-align: left;
    margin-bottom: 8px;
    font-size: 1.8rem;
    color: var(--main-color);
    font-weight: 600;
}

/* Campos com efeito 3D */
.form input[type="text"],
.form input[type="email"],
.form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(145deg, #0f0f0f, #252525);
    color: var(--text-color);
    font-size: 1.1rem;
    box-shadow: 
        inset 5px 5px 10px rgba(0, 0, 0, 0.8),
        inset -5px -5px 10px rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form input[type="text"]:focus,
.form input[type="email"]:focus,
.form textarea:focus {
    outline: none;
    box-shadow: 
        inset 5px 5px 10px rgba(0, 0, 0, 0.8),
        inset -5px -5px 10px rgba(255, 255, 255, 0.02),
        0 0 15px rgba(0, 255, 238, 0.3);
    border: 2px solid var(--main-color);
}

.form textarea {
    height: 150px;
    resize: vertical;
}

/* Botão 3D */
.form button[type="submit"] {
    background: linear-gradient(145deg, var(--main-color), #00d4c4);
    color: var(--second-bg-color);
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    margin-top: 10px;
    box-shadow: 
        5px 5px 15px rgba(0, 0, 0, 0.6),
        -5px -5px 15px rgba(0, 255, 238, 0.1);
    transition: all 0.3s ease;
    width: 100%;
}

.form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 
        8px 8px 20px rgba(0, 0, 0, 0.7),
        -8px -8px 20px rgba(0, 255, 238, 0.15);
}

.form button[type="submit"]:active {
    transform: translateY(0px);
    box-shadow: 
        3px 3px 8px rgba(0, 0, 0, 0.8),
        -3px -3px 8px rgba(0, 255, 238, 0.05);
}

.form button[type="submit"]:disabled {
    background: #666;
    cursor: not-allowed;
    transform: none;
}

/* Loading em Tela Cheia - Simples */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.fullscreen-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Spinner Simples */
.simple-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 255, 238, 0.2);
    border-top: 4px solid var(--main-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.overlay-text {
    color: var(--main-color);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
}

.overlay-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 0.6s ease;
}

.overlay-icon.success {
    color: var(--main-color);
}

.overlay-icon.error {
    color: #ff4444;
}

.close-btn {
    background: linear-gradient(145deg, var(--main-color), #00d4c4);
    color: var(--second-bg-color);
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 238, 0.3);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Responsivo */
@media (max-width: 768px) {
    .form {
        padding: 20px;
        margin: 10px;
    }
    
    .form label {
        font-size: 1.5rem;
    }
    
    .overlay-text {
        font-size: 1.3rem;
        padding: 0 20px;
    }
}

@media (max-width: 384px) {
    .form {
        padding: 15px;
    }
    
    .form label {
        font-size: 1.3rem;
    }
}