/* Reset e variáveis */
:root {
    --primary-color: #FF5722;
    --primary-dark: #E64A19;
    --primary-light: #FF7043;
    --error-color: #EF4444;
    --success-color: #10B981;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --border-color: #555555;
    --bg-gray: #303030;
    --white: #FFFFFF;
    --card-bg: #424242;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #303030;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-primary);
}

/* Container principal */
.login-container {
    width: 100%;
    max-width: 450px;
    animation: fadeIn 0.5s ease-in-out;
}

/* Box de login */
.login-box {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    padding: 40px;
    position: relative;
    border-top: 4px solid var(--primary-color);
}

/* Header do login */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    display: inline-block;
    margin-bottom: 16px;
}

.logo img {
    display: block;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Alertas */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.alert p {
    margin: 4px 0;
}

/* Formulário */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
    background: var(--bg-gray);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.2);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* Input de senha com toggle */
.password-input {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.toggle-password:hover {
    color: var(--primary-color);
}

/* Mensagens de erro */
.error-message {
    font-size: 12px;
    color: var(--error-color);
    display: none;
}

.error-message.show {
    display: block;
}

.form-group.error input {
    border-color: var(--error-color);
}

/* Opções do formulário */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -8px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-group label {
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.forgot-link {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.forgot-link:hover {
    color: var(--primary-dark);
}

/* Botão de login */
.btn-login {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-login:disabled {
    background: var(--border-color);
    cursor: not-allowed;
    transform: none;
}

/* Loader do botão */
.btn-loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--primary-color);
}

.login-footer p {
    font-size: 14px;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: var(--primary-dark);
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {

    0%,
    100% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(180deg);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsividade */
@media (max-width: 480px) {
    .login-box {
        padding: 24px;
    }

    .login-header h1 {
        font-size: 24px;
    }

    .form-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}

/* Estados de validação */
.form-group.success input {
    border-color: var(--success-color);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--error-color);
}