/* ============================================================
   Responsive — Mobile-first breakpoints
   Desktop: > 768px (comportamento padrão no style.css)
   Tablet:  ≤ 768px
   Mobile:  ≤ 480px
   ============================================================ */

/* ============================================================
   FASE 1 — NAV COM HAMBURGUER
   ============================================================ */

/* Botão hamburguer — oculto no desktop */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    flex-shrink: 0;
}
.nav-hamburger span {
    display: block;
    height: 1.5px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all 0.25s ease;
    transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Overlay do menu mobile */
.nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
    backdrop-filter: blur(2px);
}
.nav-mobile-overlay.visible { display: block; }

/* Drawer mobile */
.nav-mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 85vw);
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    z-index: 200;
    padding: var(--sp-6) var(--sp-5);
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
}
.nav-mobile-drawer.open {
    display: flex;
    transform: translateX(0);
}

.nav-mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-5);
    border-bottom: 1px solid var(--border);
}

.nav-mobile-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--sp-1);
    border-radius: var(--r-sm);
    font-size: 1.25rem;
    line-height: 1;
    transition: color var(--transition);
}
.nav-mobile-close:hover { color: var(--text-primary); }

.nav-mobile-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

.nav-mobile-links a {
    display: flex;
    align-items: center;
    padding: var(--sp-3) var(--sp-2);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: color var(--transition), background var(--transition);
    border-radius: var(--r-md);
    gap: var(--sp-3);
}
.nav-mobile-links a:hover { color: var(--text-primary); background: var(--bg-raised); }
.nav-mobile-links a.active { color: var(--accent); }

.nav-mobile-footer {
    margin-top: var(--sp-6);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.nav-mobile-user {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-2);
}

.nav-mobile-user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

@media (max-width: 768px) {

    /* Esconder links e user da nav desktop */
    .app-nav-links,
    .app-nav-user { display: none; }

    /* Mostrar hamburguer */
    .nav-hamburger { display: flex; }

    /* Nav padding menor */
    .app-nav { padding: 0 var(--sp-4); }

    /* Main padding menor */
    .app-main { padding: var(--sp-5) var(--sp-4); }

    /* Page header compacto */
    .page-header { margin-bottom: var(--sp-4); }
    .page-header h1 { font-size: 1.2rem; }

    /* ============================================================
       FASE 2 — PAINEL DE DOCUMENTOS
       ============================================================ */

    /* Cards de documento em coluna única */
    .doc-grid {
        grid-template-columns: 1fr !important;
        gap: var(--sp-3) !important;
    }

    /* Card de documento — botões maiores para toque */
    .doc-card { padding: var(--sp-4); }

    .btn-flow {
        min-width: 36px;
        min-height: 36px;
        padding: var(--sp-2);
    }

    /* Dropdown de ações — fixado na parte inferior em mobile */
    .doc-menu-dropdown {
        position: fixed !important;
        left: var(--sp-4) !important;
        right: var(--sp-4) !important;
        bottom: var(--sp-6) !important;
        top: auto !important;
        width: auto !important;
        max-width: none !important;
        border-radius: var(--r-xl) !important;
        padding: var(--sp-3) !important;
        box-shadow: var(--shadow-lg) !important;
        z-index: 300 !important;
    }

    .menu-item {
        padding: var(--sp-3) var(--sp-4) !important;
        font-size: 0.9375rem !important;
        min-height: 44px;
    }

    /* Banner de pendências */
    .pendentes-banner { padding: var(--sp-4); border-radius: var(--r-lg); }

    /* Tabs de filtro — scroll horizontal */
    .doc-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: var(--sp-2) !important;
        padding-bottom: var(--sp-2);
    }
    .doc-tabs::-webkit-scrollbar { display: none; }
    .doc-tab { white-space: nowrap; }

    /* ============================================================
       FASE 3 — MODAIS E FORMULÁRIOS
       ============================================================ */

    /* Modais em tela cheia no mobile */
    .modal-overlay {
        align-items: flex-end !important;
        padding: 0 !important;
    }

    .modal-box {
        width: 100% !important;
        max-width: 100% !important;
        max-height: 92vh !important;
        border-radius: var(--r-xl) var(--r-xl) 0 0 !important;
        overflow-y: auto;
    }

    .modal-header { padding: var(--sp-5) var(--sp-5) var(--sp-4); }
    .modal-body   { padding: 0 var(--sp-5) var(--sp-5); }
    .modal-footer { padding: var(--sp-4) var(--sp-5); }

    /* Formulários side-by-side → coluna única */
    .form-row-2col,
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Botões full em mobile */
    .btn-group-mobile-full .btn { width: 100%; justify-content: center; }

    /* Upload area menor */
    .upload-area { padding: var(--sp-8) var(--sp-4); }

    /* ============================================================
       FASE 4 — AUTH E PERFIL
       ============================================================ */

    .auth-wrapper { padding: var(--sp-4); align-items: flex-start; padding-top: var(--sp-8); }
    .auth-card    { padding: var(--sp-6) var(--sp-5); max-width: 100%; }

    /* Perfil — seções empilhadas */
    .profile-grid-2col { grid-template-columns: 1fr !important; }

    /* ============================================================
       FASE 5 — TABELAS DO MASTER
       ============================================================ */

    /* Tabelas com scroll horizontal */
    .table, table {
        min-width: 600px;
    }

    .card:has(table),
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Cards do master — coluna única */
    [style*="grid-template-columns:repeat(auto-fit,minmax(200px,1fr))"],
    [style*="grid-template-columns: repeat(auto-fit, minmax(200px,1fr))"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Esconder colunas menos importantes nas tabelas */
    .col-hide-mobile { display: none !important; }
}

@media (max-width: 480px) {

    .app-main { padding: var(--sp-4) var(--sp-3); }

    h1 { font-size: 1.125rem; }

    /* Cards do master em coluna única */
    [style*="grid-template-columns:repeat(auto-fit,minmax(200px,1fr))"],
    [style*="grid-template-columns: repeat(auto-fit, minmax(200px,1fr))"] {
        grid-template-columns: 1fr !important;
    }

    /* Botões de ação menores nos cards */
    .doc-actions { gap: var(--sp-1) !important; }

    /* Formulário de convites no master — coluna única */
    [style*="grid-template-columns:1fr 1fr 1fr 1fr auto"],
    [style*="grid-template-columns: 1fr 1fr 1fr 1fr auto"] {
        grid-template-columns: 1fr !important;
    }

    /* Auth card sem bordas laterais */
    .auth-card { border-left: none; border-right: none; border-radius: 0; }
    .auth-wrapper { padding: 0; align-items: flex-start; }
}

/* ============================================================
   TOUCH — Área mínima de 44px para todos os elementos interativos
   ============================================================ */
@media (hover: none) and (pointer: coarse) {
    .btn       { min-height: 44px; }
    .btn-sm    { min-height: 36px; }
    .form-input,
    .form-select,
    .form-textarea { min-height: 44px; font-size: 16px; /* evita zoom no iOS */ }
    .nav-mobile-links a { min-height: 48px; }
    .page-btn  { min-width: 44px; min-height: 44px; }
}

/* ============================================================
   AUTH — ajustes específicos mobile
   ============================================================ */
@media (max-width: 480px) {
    /* Termos — box de texto menor */
    .termos-box { max-height: 280px !important; }

    /* 2FA input grande para toque */
    .totp-input {
        font-size: 1.5rem !important;
        letter-spacing: .4em !important;
        text-align: center;
    }
}

/* ============================================================
   UTILITÁRIOS RESPONSIVOS
   ============================================================ */

/* Esconder em mobile */
@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
}
/* Mostrar só em mobile */
.show-mobile { display: none; }
@media (max-width: 768px) {
    .show-mobile { display: block; }
}

/* Texto truncado em mobile */
@media (max-width: 480px) {
    .truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 160px;
    }
}

/* Scroll horizontal seguro para tabelas */
.scroll-x {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.scroll-x table { min-width: 560px; }