/* CSS Moderno Complementar para ImapSync - Rapid Cloud */

/* Variáveis CSS para consistência */
:root {
    --primary-color: #4A5568;
    --secondary-color: #63B3ED;
    --success-color: #48BB78;
    --warning-color: #F6AD55;
    --danger-color: #F56565;
    --background-color: #F7FAFC;
    --text-color: #2D3748;
    --border-color: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Reset e base styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--background-color) 0%, #EDF2F7 100%);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Melhorias de acessibilidade */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus states melhorados */
*:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Botões com estados melhorados */
.btn-modern {
    position: relative;
    overflow: hidden;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 2rem;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px; /* Acessibilidade touch */
}

.btn-modern::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;
}

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

.btn-primary-modern {
    background: linear-gradient(135deg, var(--success-color), #38A169);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #38A169, var(--success-color));
}

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

.btn-primary-modern:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Cards com melhor interação */
.migration-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.migration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--success-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.migration-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.migration-card:hover::before {
    transform: scaleX(1);
}

/* Formulários melhorados */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    min-height: 48px; /* Acessibilidade touch */
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(99, 179, 237, 0.1);
    outline: none;
}

.form-control:invalid {
    border-color: var(--danger-color);
}

.form-control:valid {
    border-color: var(--success-color);
}

/* Input groups melhorados */
.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #A0AEC0;
    z-index: 10;
    transition: var(--transition);
}

.form-control:focus + .input-icon,
.form-control.with-icon:focus ~ .input-icon {
    color: var(--secondary-color);
}

.form-control.with-icon {
    padding-left: 3rem;
}

/* Switches modernos */
.form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.form-check-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(99, 179, 237, 0.25);
}

/* Progress steps melhorados */
.progress-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    gap: 1rem;
}

.step {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #A0AEC0;
    transition: var(--transition);
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 1rem;
    height: 2px;
    background: var(--border-color);
    transform: translateY(-50%);
}

.step:last-child::after {
    display: none;
}

.step.active {
    background: var(--secondary-color);
    color: white;
    transform: scale(1.1);
}

.step.completed {
    background: var(--success-color);
    color: white;
}

.step.completed::after {
    background: var(--success-color);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

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

/* Tooltips melhorados */
.tooltip-icon {
    color: #A0AEC0;
    cursor: help;
    margin-left: 0.5rem;
    transition: var(--transition);
}

.tooltip-icon:hover {
    color: var(--secondary-color);
}

/* Alerts e notificações */
.alert-modern {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    color: #2F855A;
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: rgba(246, 173, 85, 0.1);
    color: #C05621;
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: rgba(245, 101, 101, 0.1);
    color: #C53030;
    border-left: 4px solid var(--danger-color);
}

/* Responsividade melhorada */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .migration-card {
        margin-bottom: 2rem;
        padding: 1.5rem;
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .btn-modern {
        width: 100%;
        justify-content: center;
    }
    
    .progress-steps {
        gap: 0.5rem;
    }
    
    .step {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .step::after {
        width: 0.5rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .migration-card {
        padding: 1rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .security-section {
        padding: 2rem 0;
    }
}

/* Dark mode support (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1A202C;
        --text-color: #E2E8F0;
        --border-color: #2D3748;
    }
    
    body {
        background: linear-gradient(135deg, var(--background-color) 0%, #2D3748 100%);
    }
    
    .migration-card {
        background: #2D3748;
        border-color: #4A5568;
    }
    
    .form-control {
        background: #2D3748;
        border-color: #4A5568;
        color: var(--text-color);
    }
}

/* Print styles */
@media print {
    .modern-header,
    .security-section,
    footer {
        display: none;
    }
    
    .migration-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .btn-modern {
        display: none;
    }
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    .migration-card {
        border: 2px solid var(--text-color);
    }
    
    .form-control {
        border: 2px solid var(--text-color);
    }
    
    .btn-primary-modern {
        border: 2px solid var(--text-color);
    }
}