/**
 * components.css — componentes reutilizáveis do Design System
 * Usado pelo site público, painel administrativo e área do aluno.
 * Depende de variables.css e base.css.
 */

/* =====================================================================
   BOTÕES
   ===================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}
.btn-primary:hover { background-color: var(--primary-color-dark); color: #fff; }

.btn-accent {
    background-color: var(--accent-color);
    color: var(--secondary-color);
}
.btn-accent:hover { background-color: var(--accent-color-dark); color: var(--secondary-color); }

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-on-dark);
}
.btn-secondary:hover { background-color: var(--secondary-color-light); color: var(--text-on-dark); }

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-color);
}
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); }

.btn-ghost {
    background-color: transparent;
    color: var(--primary-color);
    padding-inline: var(--space-3);
}
.btn-ghost:hover { background-color: var(--surface-alt-color); }

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}
.btn-danger:hover { background-color: #c9362a; color: #fff; }

.btn-sm { padding: 0.5rem 1rem; font-size: var(--text-xs); }
.btn-lg { padding: 1rem 2rem; font-size: var(--text-base); }
.btn-block { width: 100%; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

/* =====================================================================
   CARDS
   ===================================================================== */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-body { padding: var(--space-5); }

.card--elevated { box-shadow: var(--shadow-sm); }
.card--elevated:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Card de curso */
.course-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.course-card__image {
    aspect-ratio: 16 / 10;
    width: 100%;
    object-fit: cover;
    background-color: var(--surface-alt-color);
}
.course-card__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}
.course-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
}
.course-card__title {
    font-size: var(--text-lg);
    margin: 0;
}
.course-card__footer {
    margin-top: auto;
    padding-top: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
}
.course-card__price {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    font-size: var(--text-lg);
}

/* Card de feature ("por que estudar na E2A Repair") */
.feature-card {
    padding: var(--space-5);
    text-align: left;
}
.feature-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--info-bg);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

/* Card de professor */
.teacher-card {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    padding: var(--space-5);
}
.teacher-card__photo {
    width: 88px;
    height: 88px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background-color: var(--surface-alt-color);
    flex-shrink: 0;
}

/* =====================================================================
   BADGES (status)
   ===================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    line-height: 1.4;
    white-space: nowrap;
}

.badge-neutral { background-color: var(--surface-alt-color); color: var(--text-muted); }
.badge-success { background-color: var(--success-bg); color: var(--success-color); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning-color); }
.badge-danger  { background-color: var(--danger-bg);  color: var(--danger-color); }
.badge-info    { background-color: var(--info-bg);    color: var(--info-color); }

/* Mapeamento sugerido de status de turma:
   em_breve -> badge-info | inscricoes_abertas -> badge-success
   ultimas_vagas -> badge-warning | inscricoes_encerradas -> badge-neutral
   em_andamento -> badge-info | finalizada -> badge-neutral | cancelada -> badge-danger */

/* =====================================================================
   FORMULÁRIOS
   ===================================================================== */
.form-group { margin-bottom: var(--space-4); }

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-color);
    margin-bottom: var(--space-2);
}

.form-label .required { color: var(--danger-color); }

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.12);
    outline: none;
}

.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { min-height: 120px; resize: vertical; }

.form-hint { font-size: var(--text-xs); color: var(--text-muted); margin-top: var(--space-1); }
.form-error { font-size: var(--text-xs); color: var(--danger-color); margin-top: var(--space-1); }

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

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* =====================================================================
   INDICADOR DE REQUISITOS DE SENHA (Etapa 3)
   ===================================================================== */
.password-requirements {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-5);
    display: grid;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
}
.password-requirements li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.password-requirements li::before {
    content: '';
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--border-color);
    background-color: transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.password-requirements li.is-met {
    color: var(--success-color);
}
.password-requirements li.is-met::before {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* =====================================================================
   ALERTS
   ===================================================================== */
.alert {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    border: 1px solid transparent;
}

.alert-success { background-color: var(--success-bg); color: #067647; border-color: rgba(18,183,106,0.25); }
.alert-warning { background-color: var(--warning-bg); color: #93370D; border-color: rgba(247,144,9,0.25); }
.alert-danger  { background-color: var(--danger-bg);  color: #B42318; border-color: rgba(240,68,56,0.25); }
.alert-info    { background-color: var(--info-bg);    color: #065986; border-color: rgba(11,165,236,0.25); }

/* =====================================================================
   TABELAS (com colapso responsivo em cards no mobile)
   ===================================================================== */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-color);
}

.table th, .table td {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--surface-alt-color);
    font-weight: var(--font-weight-semibold);
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: var(--text-xs);
    letter-spacing: 0.03em;
}

.table tbody tr:hover { background-color: var(--surface-alt-color); }

/* Em telas pequenas, tabelas administrativas colapsam em "cards" */
@media (max-width: 768px) {
    .table--responsive-cards thead { display: none; }
    .table--responsive-cards, .table--responsive-cards tbody, .table--responsive-cards tr, .table--responsive-cards td {
        display: block;
        width: 100%;
    }
    .table--responsive-cards tr {
        margin-bottom: var(--space-4);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: var(--space-3);
    }
    .table--responsive-cards td {
        display: flex;
        justify-content: space-between;
        gap: var(--space-3);
        border-bottom: 1px dashed var(--border-color);
        padding: var(--space-2) 0;
    }
    .table--responsive-cards td:last-child { border-bottom: none; }
    .table--responsive-cards td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-semibold);
        color: var(--text-muted);
        font-size: var(--text-xs);
        text-transform: uppercase;
    }
}

/* =====================================================================
   MODAIS (leves, sem dependência de JS de terceiros)
   ===================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(11, 18, 32, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-4);
}

.modal-backdrop.is-open { display: flex; }

.modal {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header, .modal-footer {
    padding: var(--space-5);
}
.modal-header { border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: var(--space-5); }
.modal-footer { border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: var(--space-3); }

/* =====================================================================
   BREADCRUMBS
   ===================================================================== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
}
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: var(--space-2); color: var(--border-color); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-color); }

/* =====================================================================
   PAGINAÇÃO
   ===================================================================== */
.pagination {
    display: flex;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    justify-content: center;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding-inline: var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: var(--text-sm);
}
.pagination a:hover { border-color: var(--primary-color); color: var(--primary-color); }
.pagination .is-active { background-color: var(--primary-color); border-color: var(--primary-color); color: #fff; }
.pagination .is-disabled { opacity: 0.4; pointer-events: none; }

/* =====================================================================
   EMPTY STATES
   ===================================================================== */
.empty-state {
    text-align: center;
    padding: var(--space-8) var(--space-5);
    color: var(--text-muted);
}
.empty-state__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    border-radius: var(--radius-full);
    background-color: var(--surface-alt-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.empty-state__title {
    font-size: var(--text-lg);
    color: var(--text-color);
    margin-bottom: var(--space-2);
}
.empty-state__text { max-width: 420px; margin-inline: auto; }

/* =====================================================================
   MENU LATERAL (admin) — base compartilhada
   ===================================================================== */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--text-on-dark);
    opacity: 0.75;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
}
.sidebar-link:hover { background-color: rgba(255,255,255,0.08); opacity: 1; color: var(--text-on-dark); }
.sidebar-link.is-active { background-color: var(--primary-color); opacity: 1; color: #fff; }