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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Light Mode (Default) */
body.light-mode {
    background-color: #f8f9fa;
    background-image: radial-gradient(circle, #e0e0e0 1px, transparent 1px);
    background-size: 20px 20px;
    color: #111827;
}

body.light-mode .main-title {
    color: #111827;
}

body.light-mode .subtitle p,
body.light-mode .additional-links .text-link,
body.light-mode .login-link span,
body.light-mode .sign-in {
    color: #6b7280;
}

body.light-mode .logo-badge {
    background-color: #10b981;
    color: white;
}

body.light-mode .center-icon {
    color: #374151;
}

body.light-mode .login-form input {
    background-color: white;
    border-color: #e5e7eb;
    color: #111827;
}

body.light-mode .login-form input::placeholder {
    color: #9ca3af;
}

body.light-mode .btn-email {
    background-color: #581c87;
    color: white;
}

body.light-mode .btn-email:hover {
    background-color: #4c1d95;
}

body.light-mode .message-box-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #dc2626;
}

body.light-mode .message-box-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #16a34a;
}

body.light-mode .additional-links .link-separator {
    color: #9ca3af;
}

body.light-mode .theme-toggle {
    background-color: #e5e7eb;
    color: #374151;
}

body.light-mode .theme-toggle:hover {
    background-color: #d1d5db;
}

/* Dark Mode */
body.dark-mode {
    background-color: #050505;
    background-image: radial-gradient(circle, #2d3748 1px, transparent 1px);
    background-size: 10px 10px;
    color: #e2e8f0;
}

body.dark-mode .main-title {
    color: #e2e8f0;
}

body.dark-mode .subtitle p,
body.dark-mode .additional-links .text-link,
body.dark-mode .login-link span,
body.dark-mode .sign-in {
    color: #a0aec0;
}

body.dark-mode .logo-badge {
    background-color: #047857;
    color: white;
}

body.dark-mode .center-icon {
    color: #cbd5e0;
}

body.dark-mode .login-form input {
    background-color: #2d3748;
    border-color: #4a5568;
    color: #e2e8f0;
}

body.dark-mode .login-form input::placeholder {
    color: #718096;
}

body.dark-mode .btn-email {
    background-color: #6b46c1;
    color: white;
}

body.dark-mode .btn-email:hover {
    background-color: #553c9a;
}

body.dark-mode .message-box-error {
    background-color: #fed7d7;
    border-color: #fc8181;
    color: #c53030;
}

body.dark-mode .message-box-success {
    background-color: #c6f6d5;
    border-color: #68d391;
    color: #2f855a;
}

body.dark-mode .additional-links .link-separator {
    color: #718096;
}

body.dark-mode .theme-toggle {
    background-color: #4a5568;
    color: #e2e8f0;
}

body.dark-mode .theme-toggle:hover {
    background-color: #2d3748;
}

/* Container principal */
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* Logo no canto superior esquerdo */
.top-logo {
    position: absolute;
    top: 24px;
    left: 24px;
    z-index: 10;
}

/* Botão de alternância de tema */
.theme-toggle {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 10px 15px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease, color 0.3s ease;
    z-index: 10;
}

/* Conteúdo principal centralizado */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

/* Ícone central */
.center-icon {
    margin-bottom: 32px;
}

.center-icon svg {
    width: 64px;
    height: 64px;
}

/* Título principal */
.main-title {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

/* Subtítulo */
.subtitle {
    text-align: center;
    margin-bottom: 40px;
}

.subtitle p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 4px;
}

.subtitle p:last-child {
    margin-bottom: 0;
}

/* Mensagens de erro/sucesso */
.message-box {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    text-align: center;
}

/* Formulário */
.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.2s ease;
    outline: none;
}

.form-group input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Wrapper para senha */
.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 56px;
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: color 0.2s ease;
}

.toggle-password:hover {
    color: #374151;
}

/* Botão de email */
.btn-email {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

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

/* Links adicionais abaixo do botão Entrar */
.additional-links {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.additional-links .text-link {
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.additional-links .text-link:hover {
    text-decoration: underline;
}

/* Link de login (mantido para compatibilidade, se necessário) */
.login-link {
    text-align: center;
    font-size: 14px;
    margin-bottom: 40px;
}

.sign-in {
    text-decoration: underline;
    transition: color 0.2s ease;
}

/* Links do rodapé (ocultos) */
.footer-links {
    display: none;
}

/* Responsividade */
@media (max-width: 480px) {
    .top-logo {
        top: 16px;
        left: 16px;
    }
    
    .main-content {
        padding: 20px 16px;
    }
    
    .main-title {
        font-size: 28px;
    }
    
    .subtitle p {
        font-size: 14px;
    }
    
    .additional-links {
        flex-direction: column;
        gap: 4px;
    }
    
    .additional-links .link-separator {
        display: none;
    }

    .theme-toggle {
        top: 16px;
        right: 16px;
    }
}

@media (max-width: 360px) {
    .main-content {
        padding: 16px 12px;
    }
    
    .main-title {
        font-size: 24px;
    }
    
    .center-icon svg {
        width: 48px;
        height: 48px;
    }
}

/* Animação de entrada */
.main-content {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados de foco melhorados para acessibilidade */
button:focus,
input:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Redução de movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}