/* ========================================
   Padrão Visual Datasite - Tela de Login
   ======================================== */

:root {
    /* Paleta de Cores Datasite */
    --primary-color: #1E40AF;
    --primary-hover: #1e3a8a;
    --primary-active: #1e3a8a;
    --background-color: #F3F4F6;
    --card-background: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #D1D5DB;
    --border-focus: #1E40AF;
    --error-color: #DC2626;
    --success-color: #059669;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 40px;
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    color: var(--text-primary);
}

/* Container Principal */
.auth-container {
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease-out;
}

/* Card de Autenticação */
.auth-card {
    background: #DDDDDD;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #667eea 100%);
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.logo {
    width: 350px;
    height: 150px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Título e Subtítulo */
.auth-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    font-size: 14px;
    font-weight: 400;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

/* Formulário */
.auth-form {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    width: 100%;
    height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.form-control:hover {
    border-color: #9CA3AF;
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-control::placeholder {
    color: #9CA3AF;
}

/* Wrapper para input de senha com botão de toggle */
.password-input-wrapper {
    position: relative;
}

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

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

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

/* Mensagens de Validação */
.text-danger {
    display: block;
    font-size: 14px;
    color: var(--error-color);
    margin-top: var(--spacing-xs);
}

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
}

.alert-danger {
    background-color: #FEE2E2;
    border: 1px solid #FECACA;
    color: var(--error-color);
}

/* Botão de Login */
.btn-login {
    width: 100%;
    height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-login:disabled {
    background: #9CA3AF;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Footer do Card */
.auth-footer {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Responsividade */

/* Mobile (< 640px) */
@media (max-width: 640px) {
    body {
        padding: var(--spacing-md);
    }

    .auth-card {
        padding: var(--spacing-xl);
    }

    .logo {
        width: 200px;
        height: 80px;
    }

    .auth-title {
        font-size: 20px;
    }

    .auth-subtitle {
        font-size: 13px;
    }

    .form-control,
    .btn-login {
        height: 44px;
        font-size: 15px;
    }
}

/* Tablet (640px - 1024px) */
@media (min-width: 641px) and (max-width: 1024px) {
    .auth-container {
        max-width: 400px;
    }

    .auth-card {
        padding: var(--spacing-2xl);
    }
}

/* Desktop (> 1024px) */
@media (min-width: 1025px) {
    .auth-container {
        max-width: 450px;
    }
}

/* Estados de Loading */
.loading .button-text {
    display: none;
}

.loading .spinner-border {
    display: inline-block !important;
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Visible para navegação por teclado */
.form-control:focus-visible,
.btn-login:focus-visible,
.password-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .auth-card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}