/**
 * UI System — identidade, ritmo moderno, confiança, consistência e detalhes.
 * Carregar após variables.css e ui-harmony.css.
 */

/* -------------------------------------------------------------------------- */
/* 1 · Identidade visual (tokens de produto)                                  */
/* -------------------------------------------------------------------------- */
:root {
    --kg-gradient-brand: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --kg-radius-sm: 8px;
    --kg-radius-md: 12px;
    --kg-radius-lg: 16px;
    --kg-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --kg-shadow-md: 0 8px 28px rgba(0, 0, 0, 0.1);
    --kg-shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.12);
    --kg-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --kg-duration: 0.2s;
    --kg-surface-glass: rgba(255, 255, 255, 0.04);
    --kg-border-hairline: rgba(255, 255, 255, 0.08);
}

html[data-site-theme='dark'] {
    --kg-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --kg-shadow-md: 0 12px 36px rgba(0, 0, 0, 0.45);
    --kg-shadow-lg: 0 24px 56px rgba(0, 0, 0, 0.5);
}

html[data-admin-theme='light'] {
    --kg-shadow-sm: 0 1px 3px rgba(24, 28, 42, 0.08);
    --kg-shadow-md: 0 8px 24px rgba(24, 28, 42, 0.1);
    --kg-shadow-lg: 0 18px 40px rgba(24, 28, 42, 0.12);
}

html[data-admin-theme='dark'] {
    --kg-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
    --kg-shadow-md: 0 12px 36px rgba(0, 0, 0, 0.42);
    --kg-shadow-lg: 0 22px 50px rgba(0, 0, 0, 0.5);
}

/* -------------------------------------------------------------------------- */
/* 2 · Moderno (calmo): transições e hierarquia suave                         */
/* -------------------------------------------------------------------------- */
#conteudo-principal .btn,
#conteudo-principal .btn-primary,
#conteudo-principal .btn-secondary,
#conteudo-principal .plano-card,
#conteudo-principal .btn-area-patrocinador,
#conteudo-principal .btn-comparar,
.modal-content .wizard-nav-btn,
.modal-content .modal-close {
    transition:
        transform var(--kg-duration) var(--kg-ease),
        box-shadow var(--kg-duration) var(--kg-ease),
        border-color var(--kg-duration) var(--kg-ease),
        background var(--kg-duration) var(--kg-ease),
        color var(--kg-duration) var(--kg-ease),
        opacity var(--kg-duration) var(--kg-ease);
}

#conteudo-principal .plano-card:hover {
    box-shadow: var(--kg-shadow-md);
}

/* -------------------------------------------------------------------------- */
/* 3 · Segurança percebida — faixa institucional                               */
/* -------------------------------------------------------------------------- */
.kg-assurance {
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--kg-radius-md);
    border: 1px solid var(--kg-border-hairline);
    background: var(--kg-surface-glass);
    box-shadow: var(--kg-shadow-sm);
}

html[data-site-theme='light'] .kg-assurance {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: var(--kg-shadow-sm);
}

.kg-assurance__title {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}

html[data-site-theme='light'] .kg-assurance__title {
    color: var(--text-secondary);
}

.kg-assurance__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.kg-assurance__item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    font-size: var(--font-size-sm);
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.88);
}

html[data-site-theme='light'] .kg-assurance__item {
    color: var(--text-primary);
}

.kg-assurance__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(233, 30, 99, 0.15);
    color: var(--primary-light, #f48fb1);
    border: 1px solid rgba(233, 30, 99, 0.28);
}

html[data-site-theme='light'] .kg-assurance__icon {
    background: rgba(233, 30, 99, 0.08);
    color: var(--primary-dark);
    border-color: rgba(233, 30, 99, 0.2);
}

.kg-assurance__item strong {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 2px;
    color: #fff;
}

html[data-site-theme='light'] .kg-assurance__item strong {
    color: var(--text-primary);
}

.kg-assurance__item span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.8125rem;
}

html[data-site-theme='light'] .kg-assurance__item span {
    color: var(--text-secondary);
}

/* -------------------------------------------------------------------------- */
/* 4 · Consistência — portal e painel                                         */
/* -------------------------------------------------------------------------- */
.portal-patrocinador .portal-topbar {
    box-shadow: var(--kg-shadow-sm);
}

.portal-patrocinador .portal-card {
    border-radius: var(--kg-radius-md);
    box-shadow: var(--kg-shadow-sm);
    transition: box-shadow var(--kg-duration) var(--kg-ease);
}

.portal-patrocinador .portal-card:hover {
    box-shadow: var(--kg-shadow-md);
}

.admin-header {
    box-shadow: var(--kg-shadow-sm);
}

.admin-content .stat-card,
.admin-content .table-container {
    border-radius: var(--kg-radius-md);
    box-shadow: var(--kg-shadow-sm);
    transition: box-shadow var(--kg-duration) var(--kg-ease);
}

.admin-content a.stat-card:hover,
.admin-content .stat-card--link:hover {
    box-shadow: var(--kg-shadow-md);
}

/* -------------------------------------------------------------------------- */
/* 5 · Detalhes — vazios, foco, acabamento                                    */
/* -------------------------------------------------------------------------- */
.kg-empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.kg-empty-state::before {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-md);
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
}

.admin-content .table-empty.kg-empty-state {
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.portal-patrocinador .kg-empty-state {
    margin: 0;
    padding: var(--spacing-xl);
    border-radius: var(--kg-radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.12);
}

html[data-site-theme='light'] body.portal-patrocinador .kg-empty-state {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.wizard-nav-btn:focus-visible,
.admin-nav-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

@media (max-width: 560px) {
    .kg-assurance__list {
        grid-template-columns: 1fr;
    }
}