/* Variáveis de Cores e Estilos */
:root {
    /* Cores Principais */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-secondary-dark: #db2777;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Cores Neutras */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Background */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-gray-50);
    --bg-tertiary: var(--color-gray-100);
    
    /* Text Colors */
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    --text-muted: var(--color-gray-400);
    
    /* Border */
    --border-color: var(--color-gray-200);
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-family-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.6;
    padding: var(--spacing-md);
}

/* Container de Autenticação */
.auth-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.auth-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Lado Esquerdo - Branding */
.auth-branding {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.branding-content {
    position: relative;
    z-index: 2;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.brand-logo i {
    font-size: 2.5rem;
}

.brand-logo h1 {
    font-family: var(--font-family-secondary);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.brand-text h2 {
    font-family: var(--font-family-secondary);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.brand-text p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.brand-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    opacity: 0.9;
}

.feature-item i {
    font-size: 1.25rem;
}

/* Animação de Fundo */
.brand-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.floating-card {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    right: 15%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* Lado Direito - Formulário */
.auth-form-container {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form-wrapper {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h2 {
    font-family: var(--font-family-secondary);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Alertas */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.alert i {
    margin-right: var(--spacing-sm);
    font-size: 1.125rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

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

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

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.form-label i {
    color: var(--color-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--color-error);
}

/* Campo de senha */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs);
}

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

/* Opções do formulário */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    height: 18px;
    width: 18px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    margin-right: 8px;
    transition: var(--transition-fast);
}

.checkbox-wrapper:hover input ~ .checkmark {
    background-color: var(--color-gray-300);
}

.checkbox-wrapper input:checked ~ .checkmark {
    background-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-wrapper input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Botão de submit */
.btn {
    padding: 0.75rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border: none;
}

/* Botão de submit ajustado para combinar com o gradiente da página */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border: none;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.btn-full {
    width: 100%;
}

.btn-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-loader {
    display: none;
}

/* Rodapé do Auth */
.auth-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer i {
    margin-right: var(--spacing-xs);
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.loading-spinner {
    text-align: center;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

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

/* Responsividade */
@media (max-width: 992px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
    }
    
    .auth-branding {
        padding: var(--spacing-xl);
        display: flex;
        align-items: center;
        text-align: center;
    }
    
    .brand-logo {
        justify-content: center;
    }
    
    .brand-features {
        display: none;
    }
}

@media (max-width: 576px) {
    .auth-container {
        padding: var(--spacing-sm);
    }
    
    .auth-form-container {
        padding: var(--spacing-lg);
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}