/* --- DESIGN SYSTEM (CSS VARIABLES) --- */
:root {
    --font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;

    /* Cores Base do Logo (Novo Tema Claro) */
    --bg-body: #F4F7F6;
    /* Surface: Fundo do sistema */
    --bg-board: #F4F7F6;
    /* Surface: Fundo do quadro */
    --bg-col: #EAEFED;
    /* Menta Acetinado Suave: Fundo das colunas */
    --bg-card: #FFFFFF;
    /* Cards em branco puro */

    --bg-sidebar: #2C5E6B;
    /* Primary: Base esquerda do logo */
    --bg-sidebar-dark: #1E424B;
    /* Versão 30% mais escura para o topo da sidebar */
    --bg-sidebar-hover: #3A7584;
    /* Versão mais clara para feedback de hover */
    --text-sidebar: #FFFFFF;
    --text-sidebar-muted: #D5E1E3;

    --text-main: #2C5E6B;
    /* Primary: Títulos principais */
    --text-secondary: #4B777A;
    /* Secondary: Textos de suporte */
    --text-muted: #799D9F;
    /* Secondary suavizado */

    --border-color: #4B777A;
    /* Secondary: Bordas e divisores */
    --accent-primary: #2C5E6B;
    /* Primary: Ações principais */
    --accent-primary-hover: #3A7584;

    --accent-success: #4ED2A5;
    /* Accent: Destaque, CTAs e Sucesso (Menta Vibrante) */
    --accent-danger: #e74c3c;
    --accent-warning: #f39c12;
    --accent-shared: #4ED2A5;
    /* Hibridizado com o new Accent */

    /* Sombras e Bordas */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 20px rgba(44, 94, 107, 0.15);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 50px;

    /* Altura Dinâmica */
    --default-col-height: 392px;

    /* Largura da Sidebar (fonte única de verdade) */
    --sidebar-collapsed: 70px;
    --sidebar-expanded: 320px;
}

/* --- MODO ESCURO HARMONIZADO --- */
body.dark-mode {
    --bg-body: #0F1618;
    /* Fundo ultra-escuro com matiz verde-azulado */
    --bg-board: #0F1618;
    --bg-col: #162225;
    /* Fundo dos blocos em tom de contraste suave */
    --bg-card: #202F33;
    /* Cards destacados em tom cinza-teal escuro */

    --bg-sidebar: #13252A;
    /* Sidebar escura integrada */
    --bg-sidebar-dark: #0F1618;
    --bg-sidebar-hover: #1C373E;

    --text-main: #E2EBEA;
    /* Texto claro com matiz fria */
    --text-secondary: #90AFB1;
    /* Suporte claro */
    --text-muted: #648284;

    --border-color: #2F474A;
    /* Bordas discretas escuras */
    --accent-primary: #4ED2A5;
    /* Accent atua como destaque principal no escuro */
    --accent-primary-hover: #6EFACD;

    --accent-success: #4ED2A5;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.6);
}

body.dark-mode .column {
    box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.5) !important;
}

/* --- 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;
}

/* --- LAYOUT GLOBAL --- */
body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    /* fallback navegadores antigos */
    height: 100dvh;
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- ESTILOS DA SIDEBAR EXPANSÍVEL --- */
.sidebar {
    width: 70px;
    flex-shrink: 0;
    height: 100vh;
    /* fallback navegadores antigos */
    height: 100dvh;
    z-index: 1000;
    position: relative;
    /* Atua como placeholder fixo para o main-content */
}

.sidebar-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--sidebar-collapsed);
    height: 100%;
    background-color: var(--bg-sidebar);
    color: var(--text-sidebar);
    overflow: hidden;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.15);
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    will-change: width;
    z-index: 1000;
}

/*
 * Zona de captura de hover: no instante do hover assume a largura máxima
 * expandida SEM transição, garantindo que o ponteiro nunca "saia" do alvo
 * enquanto o .sidebar-inner ainda está animando de 70px -> 320px.
 * Movimento dentro da largura máxima mantém aberto; ultrapassá-la encolhe.
 */
.sidebar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: var(--sidebar-collapsed);
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.sidebar:hover::after {
    width: var(--sidebar-expanded);
    pointer-events: auto;
}

.sidebar:hover .sidebar-inner {
    width: var(--sidebar-expanded);
}

.sidebar-top {
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    width: var(--sidebar-expanded);
    /* Garante que o interior não passe por reflow de texto na expansão */
}

.sidebar-top::-webkit-scrollbar {
    width: 6px;
}

.sidebar-top::-webkit-scrollbar-thumb {
    background: var(--bg-sidebar-dark);
    border-radius: 4px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background-color: var(--bg-sidebar-dark);
    height: 51px;
    box-sizing: border-box;
    transition: background-color 0.3s;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

#sidebarCollapseIcon {
    font-size: 1.2rem;
    color: var(--text-sidebar-muted);
    cursor: pointer;
    transition: color 0.2s ease;
}

#sidebarCollapseIcon:hover {
    color: var(--accent-primary);
}

#sidebarTitle {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-sidebar-muted);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
    font-weight: 600;
}

.sidebar:hover #sidebarTitle {
    opacity: 1;
    pointer-events: auto;
}

.btn-new-page {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s, color 0.2s;
    opacity: 0;
    pointer-events: none;
}

.sidebar:hover .btn-new-page {
    opacity: 1;
    pointer-events: auto;
}

.btn-new-page:hover {
    color: var(--text-sidebar-muted);
    transform: scale(1.1);
}

/* Listagem de Páginas */
.pages-list {
    padding: 15px 0;
    min-height: 50px;
}

.page-item {
    margin-bottom: 0px;
    padding: 0 10px;
}

.page-item.subpage-item {
    margin-bottom: 0;
    padding: 0;
}

.page-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.95rem;
    white-space: nowrap;
    position: relative;
}

.link-content {
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: none;
}

.link-content i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.page-link:hover {
    background-color: var(--bg-sidebar-hover);
}

.page-link.active {
    background-color: var(--accent-primary);
    font-weight: 600;
}

/* Nova Estrutura de Subpáginas com Expand/Collapse */
.subpage-list {
    margin-left: 20px;
    padding-left: 5px;
    border-left: 2px solid var(--accent-primary);
    margin-top: 0;
    display: none;
    flex-direction: column;
    gap: 0;
}

.subpage-list.expanded {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.toggle-wrapper {
    position: absolute;
    left: -2px;
    top: 0;
    bottom: 0;
    width: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar:hover .toggle-wrapper {
    opacity: 1;
    pointer-events: auto;
}

.toggle-btn {
    cursor: pointer;
    padding: 4px;
    color: var(--text-sidebar-muted);
    font-size: 0.8rem;
    transition: color 0.2s;
    pointer-events: auto;
    width: 14px;
    text-align: center;
}

.toggle-btn:hover {
    color: var(--accent-primary);
}

.btn-add-sub {
    background: transparent;
    border: none;
    color: #bdc3c7;
    cursor: pointer;
    font-size: 1rem;
    padding: 0 10px;
    opacity: 0;
    pointer-events: none;
}

.sidebar:hover .btn-add-sub {
    opacity: 1;
    pointer-events: auto;
}

.btn-add-sub:hover {
    color: var(--text-sidebar-muted);
}

.sidebar .link-content span {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sidebar:hover .link-content span {
    opacity: 1;
}

.sidebar-footer {
    padding: 10px;
    background-color: var(--bg-sidebar-dark);
    border-top: 1px solid var(--bg-sidebar-hover);
    transition: background-color 0.3s;
    width: var(--sidebar-expanded);
    /* Garante tamanho do conteúdo para evitar reflow no wrap */
    box-sizing: border-box;
}

/* Indicadores de Drag Drop Sidebar */
.page-item.dragging-page>.page-link {
    opacity: 0.5;
    background-color: var(--bg-sidebar-hover);
}

.drop-indicator-before>.page-link {
    border-top: 2px solid var(--accent-primary) !important;
    border-radius: 0;
}

.drop-indicator-after>.page-link {
    border-bottom: 2px solid var(--accent-primary) !important;
    border-radius: 0;
}

.drop-indicator-inside>.page-link {
    background-color: rgba(44, 94, 107, 0.3) !important;
    /* fallback color-mix */
    background-color: color-mix(in srgb, var(--accent-primary) 30%, transparent) !important;
    border-left: 4px solid var(--accent-primary);
    border-radius: 0;
}

/* --- ESTILOS DO CONTEÚDO PRINCIPAL --- */
.main-content {
    flex-grow: 1;
    padding: 0 0 30px 0;
    overflow: hidden;
    background-color: var(--bg-board);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s;
    height: 100vh;
    /* fallback navegadores antigos */
    height: 100dvh;
}

.header {
    text-align: center;
    margin-bottom: 0;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    background-color: var(--bg-board);
    z-index: 50;
    padding: 6px 0 4px 0;
    transition: background-color 0.3s;
    min-height: 40px;
}

.page-title-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0;
    padding: 0 30px 6px 30px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
    position: relative;
    min-height: 38px;
}

h1 {
    color: var(--text-main);
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    transition: color 0.3s;
}

#pageTitleWrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    min-width: 0;
    text-align: left;
    justify-self: start;
    grid-column: 1;
    padding-left: 5px;
}

.header-logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-shrink: 0;
}

.header-logo-container .logo-text {
    font-size: 0.65rem;
    font-weight: 700;
    color: transparent;
    letter-spacing: 0.5px;
    margin: 0;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    background-clip: text;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1;
}

#currentPageTitle {
    cursor: pointer;
    transition: color 0.2s;
    white-space: nowrap;
    word-break: break-word;
    font-size: 1.1rem;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 0 1 auto;
    max-width: 280px;
    text-align: left;
    margin: 0;
    color: var(--text-main);
    font-weight: 600;
}

#currentPageTitle:hover {
    color: var(--accent-primary);
}

#currentPageTitle[contenteditable="true"] {
    border-bottom: 2px dashed var(--accent-primary);
    outline: none;
    background: transparent;
    padding: 0;
    margin: 0;
    min-width: 80px;
    display: inline-block;
}

#mobileToolsWrapper {
    display: none;
}

.btn-mobile-menu,
.btn-mobile-tools {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
    position: absolute;
}

/* --- CONTROLES DE TAREFAS --- */
.new-task-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    width: max-content;
    justify-self: center;
    grid-column: 2;
}

.new-task-container input {
    width: 270px !important;
    flex-shrink: 0;
}

input:not(.modal-input):not(.task-color-picker):not([type="checkbox"]) {
    padding: 7px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 500px;
    font-size: 0.9rem;
    outline: none;
    background: var(--bg-card);
    color: var(--text-main);
    transition: border-color 0.2s, background-color 0.3s;
    font-family: var(--font-family);
}

input:not(.task-color-picker):not([type="checkbox"]):focus {
    border-color: var(--accent-primary);
}

button {
    padding: 7px 14px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-family);
    transition: transform 0.1s, opacity 0.2s, background-color 0.2s;
    flex-shrink: 0;
    font-size: 0.85rem;
}

button:active {
    transform: scale(0.95);
}

.btn-add {
    background-color: var(--accent-primary);
    color: white;
}

.btn-add:hover {
    background-color: var(--accent-primary-hover);
}

.btn-add-col {
    background-color: var(--accent-success);
    color: white;
}

.btn-task-options {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-color);
    padding: 7px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.btn-task-options:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.task-color-picker {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 44px;
    height: 44px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 0;
    background-color: transparent;
    flex-shrink: 0;
    outline: none;
    transition: border-color 0.2s;
}

.task-color-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.task-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.task-color-picker::-moz-color-swatch {
    border: none;
    border-radius: 4px;
}

.task-color-picker:hover,
.task-color-picker:focus {
    border-color: var(--accent-primary);
}

/* --- AÇÕES DO CABEÇALHO --- */
.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    justify-self: end;
    grid-column: 3;
}

/* Botão ⋮ do menu — tamanho fixo */
#boardMenuDropdown .btn-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#boardMenuDropdown .btn-icon:hover {
    padding: 0 !important;
    min-width: 34px !important;
    width: 34px !important;
    background: var(--accent-primary);
    color: white;
}

.btn-icon,
.btn-delete-page {
    background: transparent;
    border: 1.5px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 6px;
    min-width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.action-text {
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
    transition: max-width 0.3s ease, opacity 0.2s ease, margin-left 0.3s ease;
}

.btn-icon:hover .action-text,
.btn-delete-page:hover .action-text {
    max-width: 100px;
    opacity: 1;
    margin-left: 8px;
    display: inline-block;
}

.btn-icon:hover:has(.action-text),
.btn-delete-page:hover {
    padding: 6px 12px;
    min-width: auto;
}

.btn-icon:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-brand-gradient {
    border: none !important;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success)) !important;
    color: white !important;
}

.btn-brand-gradient:hover {
    filter: brightness(1.1);
}

.btn-delete-page {
    border-color: var(--text-muted);
    color: var(--text-muted);
}

.btn-delete-page:hover {
    background: var(--text-muted);
    color: white;
    border-color: var(--text-muted);
}

.export-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content,
.mobile-dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 5px;
    background-color: var(--bg-card);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    z-index: 200;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.dropdown-content.show,
.mobile-dropdown-content.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.dropdown-content a,
.dropdown-content button,
.mobile-dropdown-content a,
.mobile-dropdown-content button {
    color: var(--text-main);
    padding: 10px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: background 0.2s;
    text-align: left;
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 500;
    border-radius: 0;
}

.dropdown-content a:hover,
.dropdown-content button:hover,
.mobile-dropdown-content a:hover,
.mobile-dropdown-content button:hover {
    background-color: var(--bg-col);
    color: var(--accent-primary);
}

.board-menu-sub {
    display: flex;
    flex-direction: column;
}

.board-menu-sub a {
    padding: 8px 16px 8px 28px !important;
    font-size: 0.85rem !important;
}

.board {
    position: relative;
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
    align-content: flex-start;
    padding-bottom: 20px;
    flex-grow: 1;
    flex-wrap: wrap;
}

#boardCanvasWrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

@media (min-width: 769px) {
    .board {
        position: absolute;
        top: 0;
        left: 0;
        transform-origin: top center;
        justify-content: center !important;
        padding: 1500px 1600px 1500px 1600px !important;
        flex-wrap: wrap !important;
        width: max-content;
    }
}

.row-resizer-line {
    display: none;
    position: absolute;
    left: 30px;
    right: 30px;
    height: 20px;
    background-color: transparent;
    cursor: row-resize;
    z-index: 100;
    transform: translateY(-50%);
}

/* Resizer */
.row-resizer-line::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(44, 94, 107, 0.3);
    /* fallback color-mix */
    background-color: color-mix(in srgb, var(--accent-primary) 30%, transparent);
    border-radius: 2px;
    transform: translateY(-50%);
    transition: background-color 0.2s;
}

.row-resizer-line:hover::after,
.row-resizer-line.active::after {
    background-color: var(--accent-primary);
}

.column {
    background-color: var(--bg-col);
    border-radius: var(--radius-lg);
    width: 350px;
    height: var(--default-col-height);
    max-height: var(--default-col-height);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    padding: 15px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.25);
    flex-shrink: 0;
    transition: background-color 0.3s, box-shadow 0.3s;
    cursor: grab;
}

.column:active {
    cursor: grabbing;
}

.column button,
.column .btn-delete-col {
    cursor: pointer;
}

.column.dragging {
    opacity: 0.4;
    border: 3px dashed var(--accent-primary);
    background-color: transparent;
    box-shadow: none;
    pointer-events: none;
}

.column.dragging * {
    visibility: hidden;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
    flex-shrink: 0;
    cursor: grab;
}

.column.dragging .column-header,
.column-header:active {
    cursor: grabbing;
}

.column-header h2[contenteditable="true"] {
    cursor: text;
}

.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    padding: 5px;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.drag-handle:hover {
    color: var(--accent-primary);
}

.column-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
    flex-grow: 1;
    margin-left: 10px;
    transition: color 0.3s;
}

.column-header h2[contenteditable="true"] {
    border-bottom: 1px dashed var(--accent-primary);
    outline: none;
}

.btn-delete-col {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 5px;
    transition: color 0.2s;
}

.btn-delete-col:hover {
    color: var(--accent-danger);
}

.column-content {
    flex: 1;
    overflow-y: auto;
    min-height: 50px;
    padding-right: 5px;
    padding-bottom: 40px;
}

.column-content::-webkit-scrollbar {
    width: 6px;
}

.column-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* --- CARTÕES --- */
.card {
    position: relative;
    background-color: var(--bg-card);
    padding: 12px 15px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    animation: fadeIn 0.3s ease;
    word-break: break-word;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow 0.2s, transform 0.2s, background-color 0.3s;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-color-tag {
    height: 6px;
    width: 48px;
    border-radius: 3px;
    margin-bottom: 2px;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.95rem;
    color: var(--text-main);
}

.card-tabs {
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--border-color);
    margin-top: 6px;
    padding-top: 8px;
}

.card-tab {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--text-muted);
    padding-bottom: 0px;
    cursor: pointer;
    transition: color 0.2s;
    border-bottom: none;
}

.card-tab.active {
    color: var(--text-main);
    font-weight: bold;
    border-bottom-color: transparent;
}

.card-tab-content {
    display: none;
    flex-direction: column;
    gap: 4px;
}

.card-tab-content.active {
    display: flex;
    animation: fadeIn 0.2s;
}

.card-comment-text {
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-col);
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.task-line {
    display: flex;
    align-items: flex-start;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.task-check {
    margin-top: 4px;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
}

.task-text {
    flex: 1;
    outline: none;
    transition: opacity 0.2s;
    line-height: 1.4;
}

.task-text.strike-through {
    text-decoration: line-through;
    opacity: 0.6;
}

.card-badges {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 4px;
    flex-wrap: wrap;
}

.task-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    background-color: var(--bg-col);
    color: var(--text-secondary);
}

.task-badge.overdue {
    background-color: #fee2e2;
    color: var(--accent-danger);
}

body.dark-mode .task-badge.overdue {
    background-color: rgba(231, 76, 60, 0.2);
}

.card-actions-bar {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
    background-color: var(--bg-card);
    padding: 2px;
    border-radius: var(--radius-sm);
}

.card:hover .card-actions-bar {
    opacity: 1;
}

.btn-card-action {
    background: transparent;
    border: none;
    padding: 4px 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
}

.btn-card-action:hover {
    background: var(--bg-col);
    color: var(--accent-primary);
}

.btn-card-action.delete:hover {
    color: var(--accent-danger);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card.dragging-card {
    opacity: 0.5;
    transform: scale(0.95);
}

.card-drop-indicator {
    height: 4px;
    background-color: var(--accent-primary);
    border-radius: 2px;
    margin: 4px 0;
    pointer-events: none;
}

/* --- SISTEMA DE JANELAS (MODALS) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    /* fallback navegadores antigos */
    height: 100dvh;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease;
}

.modal-box {
    background-color: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius-lg);
    width: 400px;
    max-width: 94%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    animation: modalSlideUp 0.3s ease;
    max-height: 90dvh;
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--text-main);
    transition: background-color 0.3s;
    box-sizing: border-box;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.modal-box h3 {
    margin-top: 0;
    color: var(--text-main);
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.modal-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    margin-top: 0;
}

.modal-input,
.modal-textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    background: var(--bg-body);
    color: var(--text-main);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
    max-height: 400px;
}

.modal-input:focus,
.modal-textarea:focus {
    border-color: var(--accent-primary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.btn-modal-cancel {
    background-color: var(--bg-col);
    color: var(--text-secondary);
}

.btn-modal-confirm {
    background-color: var(--accent-primary);
    color: white;
}

.btn-modal-confirm:hover {
    background-color: var(--accent-primary-hover);
}

.pill-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.pill-btn {
    background-color: var(--bg-col);
    color: var(--text-secondary);
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-weight: 600;
}

.pill-btn.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.hidden-field {
    display: none;
    animation: fadeIn 0.2s;
}

.blocks-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.block-manage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--bg-col);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-main);
}

.block-manage-actions {
    display: flex;
    gap: 5px;
}

.block-manage-actions button {
    padding: 5px 10px;
    background: var(--bg-body);
    color: var(--accent-primary);
    border-radius: 4px;
    font-size: 1rem;
    border: none;
    cursor: pointer;
}

/* =========================================
    MEDIA QUERIES (MODO MOBILE HYBRID)
    ========================================= */
@media (min-width: 769px) {
    #mobileFab {
        display: none !important;
    }

    .sidebar:not(:hover) .subpage-list {
        display: none !important;
    }
}

@media (max-width: 1250px) and (min-width: 769px) {
    .header-logo-container {
        display: none;
    }

    #currentPageTitle {
        max-width: 160px;
    }
}

@media (max-width: 768px) {
    #boardArea {
        overflow-x: hidden !important;
    }

    .main-content {
        padding: 0 10px 0 10px;
        overflow-y: hidden !important;
    }

    .header {
        padding-top: 20px;
        margin-bottom: 25px;
    }

    .mobile-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100dvh;
        background: rgba(0, 0, 0, 0.5);
        z-index: 990;
    }

    .sidebar {
        position: fixed;
        right: 0;
        left: auto;
        width: 280px;
        height: 100dvh;
        z-index: 1000;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        box-shadow: none;
        will-change: transform;
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
        box-shadow: -2px 0 15px rgba(0, 0, 0, 0.3);
    }

    .sidebar:hover .sidebar-inner {
        width: 280px;
    }

    /* No mobile a sidebar é overlay fixo — a zona de captura de hover não se aplica */
    .sidebar::after {
        display: none;
    }

    .sidebar-inner {
        width: 100%;
        position: relative;
        transform: none;
        transition: none;
    }

    #sidebarTitle {
        opacity: 1;
        pointer-events: auto;
    }

    .btn-new-page {
        opacity: 1;
        pointer-events: auto;
    }

    .subpage-list {
        margin-left: 15px;
        border-left: 2px solid var(--accent-primary);
    }

    .toggle-wrapper {
        opacity: 1;
        left: 2px;
    }

    .sidebar .link-content span {
        opacity: 1;
    }

    #mobileToolsWrapper {
        display: block;
        position: absolute;
        left: 15px;
        top: 15px;
        z-index: 100;
    }

    .btn-mobile-tools {
        display: block;
        position: relative;
        left: auto;
        top: auto;
    }

    .page-title-container {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        align-items: center;
        border-bottom: none;
        padding: 0 0 10px 0;
        margin-bottom: 5px;
    }

    .btn-mobile-menu {
        display: block;
        right: 15px;
        left: auto;
        top: 15px;
    }

    #pageTitleWrapper {
        grid-column: 1;
        justify-self: center;
        margin: 0 45px;
        width: calc(100% - 90px);
        max-width: 100%;
        justify-content: center;
        text-align: center;
    }

    .header-logo-container {
        display: none;
    }

    #currentPageTitle {
        flex: 0 1 auto;
        text-align: center;
        white-space: nowrap;
        text-overflow: ellipsis;
        -webkit-line-clamp: unset;
        line-clamp: unset;
        max-width: none;
    }

    .header-actions {
        display: none !important;
    }

    #taskControls {
        display: none !important;
    }

    .drag-handle {
        display: none !important;
    }

    .card-actions-bar {
        display: none !important;
    }

    #mobileFab {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 900;
    }

    .fab-menu {
        display: none;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 15px;
        align-items: center;
        animation: fadeIn 0.2s;
    }

    .fab-menu.show {
        display: flex;
    }

    .fab-action::before {
        content: attr(title);
        position: absolute;
        right: 65px;
        top: 50%;
        transform: translateY(-50%);
        background-color: var(--bg-sidebar);
        color: white;
        padding: 6px 12px;
        border-radius: 6px;
        font-size: 0.85rem;
        font-weight: 600;
        white-space: nowrap;
        pointer-events: none;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        box-shadow: var(--shadow-sm);
        z-index: 10;
    }

    .fab-menu.show-labels .fab-action::before {
        opacity: 1;
        visibility: visible;
        right: 55px;
    }

    .fab-menu.hide-labels .fab-action::before {
        opacity: 0;
        visibility: hidden;
        right: 65px;
    }

    .fab-btn {
        width: 55px;
        height: 55px;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        border: none;
        cursor: pointer;
        color: white;
        transition: transform 0.2s;
    }

    .fab-main {
        background-color: var(--accent-primary);
        font-size: 1.5rem;
        z-index: 2;
    }

    .fab-action {
        background-color: var(--bg-col);
        color: var(--text-main);
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        position: relative;
    }

    .board {
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        justify-content: flex-start;
        padding-bottom: 10px;
        scroll-behavior: smooth;
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .board::-webkit-scrollbar {
        display: none;
    }

    .column {
        width: 85vw;
        flex-shrink: 0;
        scroll-snap-align: center;
        margin: 0 2.5vw;
        height: calc(100dvh - 140px) !important;
        max-height: calc(100dvh - 140px) !important;
    }

    .column:first-child {
        margin-left: 7.5vw;
    }

    .column:last-child {
        margin-right: 7.5vw;
    }

    .modal-box {
        width: 95%;
        padding: 15px;
    }
}

#emptyState {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 0 20px;
    margin-top: 25px;
    max-height: 100%;
    overflow: hidden;
    animation: emptyStateReveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    position: relative;
}

@keyframes emptyStateReveal {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

#emptyState .empty-logo-wrapper {
    cursor: pointer;
    padding: 25px;
    position: relative;
}

#emptyState .empty-cta {
    margin-top: 30px;
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 500;
}

.premium-empty-logo {
    height: 260px;
    width: auto;
    max-width: 90vw;
    object-fit: contain;
    border-radius: 12px;
    filter: drop-shadow(0 15px 30px rgba(44, 94, 107, 0.3));
    /* fallback color-mix */
    filter: drop-shadow(0 15px 30px color-mix(in srgb, var(--accent-primary) 30%, transparent));
    animation: floatPremiumLogo 5s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.4s ease;
    margin-bottom: 30px;
}

.premium-empty-logo:hover {
    transform: scale(1.08) translateY(-10px);
    filter: drop-shadow(0 25px 50px rgba(44, 94, 107, 0.5));
    /* fallback color-mix */
    filter: drop-shadow(0 25px 50px color-mix(in srgb, var(--accent-primary) 50%, transparent));
}

.premium-empty-logo-icon {
    font-size: 280px;
    filter: drop-shadow(0 15px 30px color-mix(in srgb, var(--accent-primary) 30%, transparent));
    animation: floatPremiumLogo 5s ease-in-out infinite;
    transition: transform 0.4s ease, filter 0.4s ease;
}

@keyframes floatPremiumLogo {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@media (max-width: 1024px) {
    .premium-empty-logo {
        height: 240px;
        margin-bottom: 25px;
    }

    .premium-empty-logo-icon {
        font-size: 200px;
    }

}

@media (max-width: 768px) {
    .premium-empty-logo {
        height: 160px;
        margin-bottom: 20px;
        animation: floatPremiumLogoMobile 4s ease-in-out infinite;
    }

    .premium-empty-logo-icon {
        font-size: 140px;
        animation: floatPremiumLogoMobile 4s ease-in-out infinite;
    }
}

@keyframes floatPremiumLogoMobile {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}



@media (max-width: 768px) {
    .row-resizer-line {
        display: none !important;
    }

    body.is-dragging-card .board {
        flex-wrap: wrap !important;
        justify-content: flex-start !important;
        padding: 5px !important;
        gap: 6px !important;
        transition: none !important;
    }

    body.is-dragging-card .column {
        width: calc(33.33% - 8px) !important;
        min-width: 100px !important;
        max-width: none !important;
        height: 180px !important;
        max-height: 180px !important;
        margin: 0 !important;
        transform: scale(1);
        border: 1px solid var(--border-color) !important;
        background: var(--bg-col) !important;
        padding: 5px !important;
        transition: none !important;
    }

    body.is-dragging-card .column.drag-hover {
        border: 2px dashed var(--accent-primary) !important;
        background: rgba(44, 94, 107, 0.08) !important;
        /* fallback color-mix */
        background: color-mix(in srgb, var(--accent-primary) 8%, transparent) !important;
    }

    body.dark-mode.is-dragging-card .column {
        background: var(--bg-col) !important;
    }

    body.dark-mode.is-dragging-card .column.drag-hover {
        background: rgba(78, 210, 165, 0.15) !important;
        /* fallback color-mix */
        background: color-mix(in srgb, var(--accent-primary) 15%, transparent) !important;
    }

    body.is-dragging-card .column-header h2 {
        font-size: 0.75rem !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    body.is-dragging-card .column-header .btn-delete-col {
        display: none !important;
    }

    body.is-dragging-card .column-content {
        padding: 5px !important;
    }

    body.is-dragging-card .card {
        padding: 4px 6px !important;
        margin-bottom: 4px !important;
        min-height: auto !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        border-radius: var(--radius-sm) !important;
        background-color: var(--bg-card) !important;
    }

    body.is-dragging-card .task-text {
        font-size: 0.6rem !important;
        line-height: 1.15 !important;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        word-break: break-all !important;
    }

    body.is-dragging-card .card-badges,
    body.is-dragging-card .card-tabs,
    body.is-dragging-card .card-actions-bar,
    body.is-dragging-card .card-color-tag {
        display: none !important;
    }

    body.is-dragging-card .dragging-card {
        opacity: 0.15 !important;
        pointer-events: auto !important;
    }

    body.is-dragging-card .card-drop-indicator {
        height: 4px !important;
        min-height: 4px !important;
        background-color: var(--accent-primary) !important;
        border-radius: 2px !important;
        margin: 4px 0 !important;
        padding: 0 !important;
        border: none !important;
        display: block !important;
    }
}



@media (min-width: 769px) {
    .desktop-control-panel-container {
        position: fixed;
        bottom: 25px;
        right: 25px;
        width: 50px;
        height: 50px;
        z-index: 999;
    }

    .btn-toggle-control-panel {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--bg-sidebar), var(--bg-sidebar-hover));
        color: white;
        border: none;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
    }

    .btn-toggle-control-panel:hover {
        transform: scale(1.08) rotate(15deg);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .control-panel-actions {
        position: absolute;
        bottom: 62px;
        left: 4px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        animation: slideUpPanel 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    }

    @keyframes slideUpPanel {
        from {
            opacity: 0;
            transform: translateY(20px) scale(0.9);
        }

        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .panel-action-btn {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--bg-card);
        color: var(--text-secondary);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.05rem;
        position: relative;
        transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    }

    .panel-action-btn:hover {
        background: var(--bg-col);
        color: var(--accent-primary);
        transform: scale(1.08);
    }

    .panel-action-btn.active {
        background: var(--accent-primary) !important;
        color: white !important;
        border-color: var(--accent-primary) !important;
        box-shadow: 0 0 10px rgba(44, 94, 107, 0.4);
    }

    .panel-action-btn.special {
        background: var(--accent-success) !important;
        color: white !important;
        border-color: var(--accent-success) !important;
    }

    .panel-action-btn.special:hover {
        filter: brightness(1.1);
        transform: scale(1.08);
    }

    .panel-action-btn .tooltip {
        position: absolute;
        right: 55px;
        background: var(--bg-sidebar-dark);
        color: white;
        padding: 5px 10px;
        border-radius: var(--radius-sm);
        font-size: 0.75rem;
        font-weight: 600;
        white-space: nowrap;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
        transform: translateX(5px);
        box-shadow: var(--shadow-sm);
    }

    .panel-action-btn:hover .tooltip {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    #desktopControlPanel {
        display: none !important;
    }
}

/* --- CURSORES DOS MODOS --- */
.interaction-zoom-in {
    cursor: zoom-in !important;
}

.interaction-zoom-in * {
    cursor: zoom-in !important;
    pointer-events: none !important;
}

.interaction-zoom-out {
    cursor: zoom-out !important;
}

.interaction-zoom-out * {
    cursor: zoom-out !important;
    pointer-events: none !important;
}

.interaction-pan {
    cursor: grab !important;
}

.interaction-pan * {
    cursor: grab !important;
    pointer-events: none !important;
}

.interaction-pan #boardArea.dragging-active {
    cursor: grabbing !important;
}

.interaction-pan #boardArea.dragging-active * {
    cursor: grabbing !important;
}

#boardArea {
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
}

#boardArea::-webkit-scrollbar {
    display: none !important;
}

.interaction-zoom-in .header,
.interaction-zoom-in .header *,
.interaction-zoom-in .sidebar,
.interaction-zoom-in .sidebar *,
.interaction-zoom-out .header,
.interaction-zoom-out .header *,
.interaction-zoom-out .sidebar,
.interaction-zoom-out .sidebar *,
.interaction-pan .header,
.interaction-pan .header *,
.interaction-pan .sidebar,
.interaction-pan .sidebar * {
    cursor: default !important;
    pointer-events: auto !important;
}

.interaction-zoom-in .desktop-control-panel-container,
.interaction-zoom-in .desktop-control-panel-container *,
.interaction-zoom-out .desktop-control-panel-container,
.interaction-zoom-out .desktop-control-panel-container *,
.interaction-pan .desktop-control-panel-container,
.interaction-pan .desktop-control-panel-container * {
    cursor: default !important;
    pointer-events: auto !important;
}

/* --- CLASSE DE LOGO COM FILTRO BRANCO --- */
.logo-white {
    filter: brightness(0) invert(1) !important;
}

/* --- ESTILOS EXTRAÍDOS DO HTML --- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    z-index: 9999;
    padding: 8px;
    background: #fff;
    color: #2c3e50;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
}

.brand-gradient-text {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.5px;
}

#sidebarTitle.brand-gradient-text {
    font-size: 1.08rem;
    margin: 5px;
}

.sidebar-logo-wrapper {
    width: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.sidebar-logo-img {
    height: 25px;
    width: auto;
    object-fit: contain;
    cursor: pointer;
}

.header-logo-img {
    height: 26px;
    width: auto;
    object-fit: contain;
}

.header-logo-fallback-icon {
    font-size: 26px;
    color: var(--accent-primary);
    display: none;
}

.mobile-export-options,
.board-menu-sub {
    display: none;
    background: var(--bg-body);
    border-radius: 4px;
    margin: 0 10px;
}

.mobile-export-options.show {
    display: flex;
    flex-direction: column;
}

.mobile-export-options a {
    padding: 8px 16px 8px 28px !important;
    font-size: 0.85rem !important;
}

.menu-control-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 600;
    border-top: 1px solid var(--border-color);
}

.menu-control-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-counter {
    border: 1px solid var(--border-color) !important;
    background: transparent !important;
    color: var(--text-main) !important;
    width: 26px !important;
    height: 26px !important;
    flex-shrink: 0 !important;
    border-radius: 4px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    padding: 0 !important;
    transition: background 0.2s;
}

.btn-counter:hover {
    background: rgba(44, 94, 107, 0.1) !important;
}

.block-limit-val {
    font-weight: 700;
    min-width: 16px;
    text-align: center;
    color: var(--text-main);
}

.menu-divider {
    margin: 4px 12px;
    border: none;
    border-top: 1px solid var(--border-color);
}

.btn-menu-delete {
    color: var(--accent-danger) !important;
}

.btn-new-page {
    margin: 0;
    padding: 0;
}

/* --- REVISÃO #3: NOVAS CLASSES --- */
.brand-gradient-text {
    background: linear-gradient(135deg, #4ED2A5 0%, #2C5E6B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

body.dark-mode .brand-gradient-text {
    background: var(--accent-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Item 4: gradiente legível sobre a sidebar escura */
#sidebarTitle.brand-gradient-text {
    background: linear-gradient(90deg, #7FE9C4 0%, #4ED2A5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Estado vazio: sem header nem linha de header */
body.app-empty .header {
    display: none;
}

/* Mostrar apenas um CTA no estado vazio */
#emptyState .empty-none-selected { display: none; }
#emptyState.none-selected .empty-no-pages { display: none; }
#emptyState.none-selected .empty-none-selected { display: block; }

/* Garantia do item 3 (defensivo) */
#headerLogoContainer { display: none !important; }

.status-message {
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: block;
}

.status-message.status-error {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--accent-danger);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.status-message.status-success {
    background-color: rgba(78, 210, 165, 0.1);
    color: var(--accent-success);
    border: 1px solid rgba(78, 210, 165, 0.2);
}

.skip-link:focus {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--bg-card);
    color: var(--accent-primary);
    padding: 10px 20px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    z-index: 2000;
    width: auto;
    height: auto;
    clip: auto;
    white-space: normal;
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

/* =========================================================
   ==  CAMADA DE APRIMORAMENTO PROGRESSIVO (Fases 1-4)     ==
   ==  Ver RELATORIO-FLUIDEZ-CSS-saviana-estudio.md         ==
   ==  Tudo abaixo é ADITIVO: navegadores sem suporte       ==
   ==  ignoram os blocos @supports e usam a camada base.    ==
   ========================================================= */

/* ---- FASE 1: Acessibilidade de movimento ---- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .premium-empty-logo,
    .premium-empty-logo-icon {
        animation: none !important;
    }

    ::view-transition-group(*),
    ::view-transition-old(*),
    ::view-transition-new(*) {
        animation: none !important;
    }
}

/* ---- FASE 1: Fluidez de scroll ---- */
html {
    scroll-behavior: smooth;
}

.column-content,
.board {
    overscroll-behavior: contain;
}

.column-content {
    scrollbar-gutter: stable;
}

/* ---- FASE 1: Foco visível para navegação por teclado ---- */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ---- FASE 1: Tipografia mais equilibrada ---- */
#currentPageTitle,
.column-header h2,
.modal-box h3 {
    text-wrap: balance;
}

.card-content,
.modal-desc {
    text-wrap: pretty;
}

/* ---- FASE 3: Zoom suave (o transform é aplicado via board.js) ---- */
.board {
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Durante pan ou arrasto de card, resposta imediata (sem transição) */
.interaction-pan #boardArea.dragging-active .board,
body.is-dragging-card .board {
    transition: none !important;
}

/* ---- FASE 3: content-visibility (render sob demanda, desktop) ---- */
@media (min-width: 769px) {
    @supports (content-visibility: auto) {
        .column {
            content-visibility: auto;
            contain-intrinsic-size: 350px var(--default-col-height);
        }
    }
}

/* ---- FASE 3: Animar entrada E saída de elementos com display ---- */
@supports (transition-behavior: allow-discrete) {

    .dropdown-content,
    .mobile-dropdown-content {
        opacity: 0;
        transform: translateY(-6px);
        transition: opacity 0.18s ease, transform 0.18s ease, display 0.18s allow-discrete;
    }

    .dropdown-content.show,
    .mobile-dropdown-content.show {
        opacity: 1;
        transform: translateY(0);
        /* substitui o keyframe fadeIn pela transição (entra E sai) */
        animation: none;
    }

    @starting-style {

        .dropdown-content.show,
        .mobile-dropdown-content.show {
            opacity: 0;
            transform: translateY(-6px);
        }
    }

    .fab-menu {
        opacity: 0;
        transition: opacity 0.2s ease, display 0.2s allow-discrete;
    }

    .fab-menu.show {
        opacity: 1;
        animation: none;
    }

    @starting-style {
        .fab-menu.show {
            opacity: 0;
        }
    }
}

/* ---- FASE 3: Habilita animação até height:auto onde suportado ---- */
@supports (interpolate-size: allow-keywords) {
    :root {
        interpolate-size: allow-keywords;
    }
}

/* ---- FASE 4: @property — ângulo de gradiente animável ---- */
@property --grad-angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 90deg;
}

.btn-brand-gradient {
    background: linear-gradient(var(--grad-angle, 90deg), var(--accent-primary), var(--accent-success)) !important;
    transition: --grad-angle 0.5s ease, filter 0.2s ease;
}

.btn-brand-gradient:hover {
    --grad-angle: 135deg;
}

/* ---- FASE 4: View Transitions (troca de página / estado do quadro) ---- */
@supports (view-transition-name: none) {

    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.28s;
        animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    }
}

/* --- CANAL DE ESTILOS ADICIONAIS: EMPTY STATES & PLACEHOLDERS --- */
#emptyState .empty-none-selected {
    display: none;
}
#emptyState.none-selected .empty-no-pages {
    display: none;
}
#emptyState.none-selected .empty-none-selected {
    display: block;
}

.empty-board-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 380px;
    color: var(--text-secondary);
    text-align: center;
    padding: 40px;
    box-sizing: border-box;
    background: transparent;
}

.empty-board-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
    opacity: 0.85;
    animation: pulse 2s infinite ease-in-out;
}

.empty-board-placeholder p {
    font-size: 1.15rem;
    margin-bottom: 24px;
    font-weight: 500;
    color: var(--text-main);
}

.empty-board-placeholder .btn-brand-gradient {
    padding: 12px 28px;
    border-radius: var(--radius-md);
    color: #fff !important;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.empty-board-placeholder .btn-brand-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.05); opacity: 0.95; }
}

/* --- CANAL DE ESTILOS ADICIONAIS: CURSOR HAND / PAN --- */
#boardArea {
    cursor: grab;
}

#boardArea .column,
#boardArea .column-content,
#boardArea .card,
#boardArea button,
#boardArea input,
#boardArea textarea,
#boardArea a {
    cursor: default;
}

#boardArea .drag-handle,
#boardArea .drag-handle * {
    cursor: grab;
}

#boardArea.dragging-active {
    cursor: grabbing !important;
}

#boardArea.dragging-active * {
    cursor: grabbing !important;
}

/* --- CANAL DE ESTILOS ADICIONAIS: ANIMAÇÕES DE BLOCOS & TRANSIÇÃO DE PÁGINAS --- */

@keyframes column-pop-in {
    from { opacity: 0; transform: scale(0.92) translateY(12px); }
    60%  { opacity: 1; transform: scale(1.02); }
    to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.column.column-enter {
    animation: column-pop-in 320ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes column-pop-out {
    to { opacity: 0; transform: scale(0.9); }
}

.column.column-leaving {
    animation: column-pop-out 200ms ease-in both;
    pointer-events: none;
}

@supports (view-transition-name: none) {
    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.30s;
        animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    }
    ::view-transition-old(root) { animation-name: page-fade-slide-out; }
    ::view-transition-new(root) { animation-name: page-fade-slide-in; }
}

@keyframes page-fade-slide-out { to   { opacity: 0; transform: translateX(-12px); } }
@keyframes page-fade-slide-in  { from { opacity: 0; transform: translateX(12px);  } }

/* Cascata das colunas ao abrir a página */
@keyframes column-stagger-in {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0);    }
}

.board.page-entering .column {
    animation: column-stagger-in 260ms ease-out both;
    animation-delay: calc(var(--col-index, 0) * 40ms);
}

@media (prefers-reduced-motion: reduce) {
    .column.column-enter,
    .column.column-leaving,
    .board.page-entering .column,
    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}