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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000000;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.login-container {
    background: #000000;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(255, 0, 0, 0.2);
    border: 1px solid #ff0000;
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff0000, #ff4444, #ff0000);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
    background: #1a1a1a;
    border-radius: 50%;
    padding: 10px;
    border: 2px solid #ff0000;
}

.login-header h1 {
    color: #ffffff;
    margin-bottom: 5px;
    font-size: 24px;
    font-weight: 600;
}

.login-header p {
    color: #cccccc;
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #ffffff;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: #1a1a1a;
    border: 2px solid #333333;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s;
    color: #ffffff;
}

.form-group input::placeholder {
    color: #666666;
}

.form-group input:focus {
    outline: none;
    border-color: #ff0000;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: #ffffff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    height: 45px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #cc0000 0%, #ff0000 100%);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.4);
    transform: translateY(-2px);
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: rotation 1s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes rotation {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.message.error {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    border: 1px solid #ff4444;
}

.message.success {
    background: rgba(0, 255, 0, 0.1);
    color: #44ff44;
    border: 1px solid #44ff44;
}

.login-footer {
    text-align: center;
    color: #666666;
    font-size: 12px;
    border-top: 1px solid #333333;
    padding-top: 20px;
}

/* Efeitos de brilho */
.glow-effect {
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 0, 0, 0.3) 0%, rgba(255, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

/* Responsividade */
@media (max-width: 480px) {
    .login-container {
        margin: 20px;
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 20px;
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-container {
    animation: fadeInUp 0.6s ease-out;
}

/* Efeito de foco nos inputs com cor vermelha */
.form-group input:valid {
    border-color: #333333;
}

.form-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #ff0000;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #ff0000;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #cc0000;
}

.message {
    padding: 12px;
    border-radius: 5px;
    margin-top: 15px;
    font-weight: 500;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #ff0000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

.message {
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 15px;
    font-weight: 500;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.success {
    background-color: #f0f9f0;
    color: #2d5016;
    border-left-color: #4caf50;
}

.message.error {
    background-color: #fdf2f2;
    color: #721c24;
    border-left-color: #e53e3e;
}

.message-icon {
    font-weight: bold;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.message.success .message-icon {
    color: #4caf50;
}

.message.error .message-icon {
    color: #e53e3e;
}

.message-text {
    flex: 1;
}

/* Estilos para campos com erro */
.form-group input:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
    outline: none;
}

.form-group input.error-field {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25) !important;
}