/**
 * Register Modern - Design System
 * Cores: Azul #667eea e Roxo #764ba2
 */

:root {
    /* Cores principais */
    --color-primary: #667eea;        /* Azul principal */
    --color-secondary: #764ba2;      /* Roxo principal */
    --color-success: #10b981;        /* Verde */
    --color-warning: #f59e0b;        /* Dourado */
    --color-danger: #ef4444;         /* Vermelho */
    --color-info: #3b82f6;           /* Azul claro */
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    
    /* Backgrounds */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --bg-input: #f8f9fa;
    --bg-hover: #f1f3f9;
    
    /* Textos */
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    
    /* Borders */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-focus: var(--color-primary);
    
    /* Shadows */
    --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);
    --shadow-primary: 0 8px 20px rgba(102, 126, 234, 0.3);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   FORMULÁRIO - CONTAINER PRINCIPAL
   ============================================ */

.form-fields-modern-container {
    max-width: 650px;
    margin: 0 auto;
}

.form-section-modern {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    border: 2px solid var(--border-light);
    transition: border-color var(--transition-base);
}

.form-section-modern:hover {
    border-color: var(--border-medium);
}

.section-title-modern {
    color: var(--text-dark);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-title-modern i {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   CAMPOS MODERNOS
   ============================================ */

.field-modern {
    margin-bottom: var(--space-xl);
}

.field-modern:last-child {
    margin-bottom: 0;
}

.field-label-modern {
    display: block;
    color: var(--text-dark);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.field-label-modern .required-mark {
    color: var(--color-danger);
    margin-left: 2px;
}

.field-input-wrapper-modern {
    position: relative;
    display: flex;
    align-items: center;
}

.field-icon-modern {
    position: absolute;
    left: 1rem;
    color: var(--color-primary);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 2;
    transition: color var(--transition-base);
}

.field-input-modern {
    width: 100%;
    background: var(--bg-input);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.875rem 3rem;
    color: var(--text-dark);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.field-input-modern:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.field-input-modern::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Input com ícone de status */
.field-input-wrapper-modern.has-status .field-input-modern {
    padding-right: 4rem;
}

.field-status-icon-modern {
    position: absolute;
    right: 3.5rem;
    display: none;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.field-input-modern.is-valid ~ .field-status-icon-modern.success {
    display: block;
    color: var(--color-success);
    animation: iconPop 0.3s ease;
}

.field-input-modern.is-invalid ~ .field-status-icon-modern.error {
    display: block;
    color: var(--color-danger);
    animation: iconShake 0.3s ease;
}

/* Toggle de senha */
.field-toggle-password-modern {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-base);
    z-index: 3;
}

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

.field-toggle-password-modern:active {
    transform: scale(0.95);
}

/* Helper text */
.field-help-modern {
    display: flex;
    align-items: flex-start;
    gap: 0.375rem;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    line-height: 1.5;
}

.field-help-modern i {
    color: var(--color-info);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* Campo de erro */
.field-error-modern {
    display: none;
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--color-danger);
    border-radius: var(--radius-sm);
    animation: slideDown 0.3s ease;
}

.field-modern.has-error .field-error-modern {
    display: block;
}

.field-modern.has-error .field-input-modern {
    border-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.05);
}

/* ============================================
   BARRA DE FORÇA DA SENHA
   ============================================ */

.password-strength-wrapper {
    margin-top: var(--space-sm);
}

.password-strength-bar-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.password-strength-bar {
    flex: 1;
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    transition: all var(--transition-base);
    border-radius: 3px;
}

.password-strength-fill[data-strength="0"] {
    width: 0%;
    background: transparent;
}

.password-strength-fill[data-strength="1"] {
    width: 25%;
    background: var(--color-danger);
}

.password-strength-fill[data-strength="2"] {
    width: 50%;
    background: var(--color-warning);
}

.password-strength-fill[data-strength="3"] {
    width: 75%;
    background: #10b981;
}

.password-strength-fill[data-strength="4"] {
    width: 100%;
    background: #059669;
}

.password-strength-text {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 90px;
    color: var(--text-medium);
}

.password-strength-text[data-strength="0"] {
    color: var(--text-muted);
}

.password-strength-text[data-strength="1"] {
    color: var(--color-danger);
}

.password-strength-text[data-strength="2"] {
    color: var(--color-warning);
}

.password-strength-text[data-strength="3"],
.password-strength-text[data-strength="4"] {
    color: var(--color-success);
}

/* ============================================
   CHECKLIST DE REQUISITOS DA SENHA
   ============================================ */

.password-requirements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
}

.password-requirement {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color var(--transition-base);
}

.password-requirement i {
    font-size: 0.75rem;
    transition: all var(--transition-base);
}

.password-requirement i.fa-circle {
    color: var(--border-medium);
}

.password-requirement.met {
    color: var(--color-success);
}

.password-requirement.met i {
    color: var(--color-success);
}

.password-requirement.met i::before {
    content: "\f058"; /* fa-check-circle */
}

/* ============================================
   FEEDBACK DE CORRESPONDÊNCIA DE SENHA
   ============================================ */

.password-match-feedback {
    display: none;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    color: var(--color-success);
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.field-modern.passwords-match .password-match-feedback {
    display: flex;
}

.password-match-feedback i {
    font-size: 1.1rem;
}

/* ============================================
   SEPARADOR
   ============================================ */

.form-separator-modern {
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        var(--border-light),
        transparent
    );
    margin: var(--space-xl) 0;
}

/* ============================================
   PLANOS - REDESIGN COMPACTO
   ============================================ */

.plans-section-modern {
    margin: var(--space-xl) 0;
}

.plans-grid-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.plan-card-modern {
    position: relative;
    background: var(--bg-white);
    border: 3px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.plan-card-modern input[type="radio"] {
    display: none;
}

.plan-card-modern.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    box-shadow: var(--shadow-primary);
    transform: scale(1.02);
}

.plan-card-modern.selected.premium {
    border-color: var(--color-warning);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.3);
}

.plan-badge-top {
    text-align: center;
    margin-bottom: var(--space-md);
}

.plan-badge-modern {
    display: inline-block;
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.plan-badge-modern.free {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
}

.plan-badge-modern.premium {
    background: var(--gradient-warning);
    color: white;
}

.plan-header-modern {
    text-align: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border-light);
}

.plan-icon-modern {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.plan-title-modern {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.plan-price-modern {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.plan-price-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-price-value.premium {
    background: var(--gradient-warning);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-price-period {
    font-size: 0.875rem;
    color: var(--text-medium);
    font-weight: 500;
}

.plan-price-detail {
    font-size: 0.8rem;
    color: var(--color-success);
    font-weight: 600;
    margin-top: 0.25rem;
}

.plan-features-compact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.plan-feature-compact {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--text-medium);
    line-height: 1.5;
}

.plan-feature-compact i {
    color: var(--color-success);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.plan-footer-modern {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 2px solid var(--border-light);
    text-align: center;
}

.plan-cta {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.plan-note {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.4;
}

.plan-recommend-badge {
    background: var(--gradient-success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.plan-info-box {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: #065f46;
    text-align: center;
}

.plan-info-box.premium {
    background: rgba(251, 191, 36, 0.05);
    border-color: rgba(251, 191, 36, 0.3);
    color: #92400e;
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

@keyframes iconPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes iconShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVO
   ============================================ */

@media (max-width: 768px) {
    .form-section-modern {
        padding: var(--space-lg);
    }
    
    .plans-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .password-requirements {
        grid-template-columns: 1fr;
    }
    
    .field-input-modern {
        font-size: 16px; /* Previne zoom no iOS */
    }
}

@media (max-width: 480px) {
    .form-section-modern {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }
    
    .section-title-modern {
        font-size: 1.1rem;
    }
    
    .plan-card-modern {
        padding: var(--space-md);
    }
    
    .plan-icon-modern {
        font-size: 2rem;
    }
    
    .plan-title-modern {
        font-size: 1.25rem;
    }
    
    .plan-price-value {
        font-size: 1.5rem;
    }
}