/* Componentes. Cada estado do item de interface é declarado — nenhum fica indefinido. */

/* ---------- Botões de ferramenta ---------- */

.tool-btn {
    display: grid;
    place-items: center;
    width: 100%;
    height: var(--rail-width);
    color: var(--ink-muted);
    transition: background var(--transition), color var(--transition);
}

.tool-btn:hover {
    background: var(--surface-raised);
    color: var(--ink);
}

.tool-btn.is-active {
    background: var(--surface-raised);
    color: var(--accent);
    box-shadow: inset 2px 0 0 var(--accent);
}

.tool-btn svg {
    width: 1.125rem;
    height: 1.125rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.rail-divider {
    height: 1px;
    margin: var(--gap-1) 0.5rem;
    background: var(--line);
}

/* ---------- Barra de menu ---------- */

.menu {
    display: flex;
    gap: var(--gap-1);
}

.menu-item {
    position: relative;
}

.menu-trigger {
    padding: 0.25rem var(--gap-2);
    color: var(--ink-muted);
    font-size: var(--text-sm);
    transition: color var(--transition), background var(--transition);
}

.menu-trigger:hover {
    background: var(--surface-raised);
    color: var(--ink);
}

.menu-list {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 13rem;
    padding: var(--gap-1) 0;
    background: var(--surface-raised);
    border: 1px solid var(--line-strong);
    display: none;
    z-index: 30;
}

/* Abertura é responsabilidade do JS (clique). Sem regra de hover aqui: ela
   reabriria o menu que o clique acabou de fechar, e não existe hover em toque. */

.menu-list button {
    display: flex;
    justify-content: space-between;
    gap: var(--gap-4);
    width: 100%;
    padding: 0.3rem var(--gap-3);
    font-size: var(--text-sm);
    color: var(--ink-muted);
    text-align: left;
}

.menu-list button:hover {
    background: var(--surface-panel);
    color: var(--ink);
}

.menu-list kbd {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--ink-faint);
}

/* ---------- Botões de ação genéricos ---------- */

.btn {
    height: var(--control-height);
    padding: 0 var(--gap-3);
    background: var(--surface-raised);
    border: 1px solid var(--line);
    color: var(--ink-muted);
    font-size: var(--text-sm);
    transition: background var(--transition), color var(--transition);
}

.btn:hover:not(:disabled) {
    background: var(--surface-panel);
    color: var(--ink);
    border-color: var(--line-strong);
}

.btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    background: #f0b451;
    color: var(--accent-ink);
}

.btn-icon {
    width: var(--control-height);
    padding: 0;
    display: grid;
    place-items: center;
}

/* ---------- Painéis ---------- */

.panel {
    border-bottom: 1px solid var(--line);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gap-2) var(--gap-3);
    background: var(--surface-sunken);
}

.panel-title {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.panel-body {
    padding: var(--gap-3);
    display: grid;
    gap: var(--gap-3);
}

.field {
    display: grid;
    grid-template-columns: 5.5rem 1fr auto;
    align-items: center;
    gap: var(--gap-2);
}

.field label {
    font-size: var(--text-sm);
    color: var(--ink-muted);
}

.field input[type='range'] {
    width: 100%;
    accent-color: var(--accent);
}

.field input[type='color'] {
    width: 100%;
    height: var(--control-height);
    padding: 0;
    background: none;
    border: 1px solid var(--line-strong);
    cursor: pointer;
}

.field select,
.field input[type='text'],
.field input[type='number'] {
    width: 100%;
    height: var(--control-height);
    padding: 0 var(--gap-2);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    font-size: var(--text-sm);
}

.field output {
    min-width: 2.5rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--ink-muted);
    text-align: right;
}

.switch {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
    font-size: var(--text-sm);
    color: var(--ink-muted);
    cursor: pointer;
}

.switch input {
    accent-color: var(--accent);
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.button-grid .btn {
    border: 0;
    height: 1.9rem;
}

/* ---------- Camadas ---------- */

.layers-empty {
    padding: var(--gap-3);
    font-size: var(--text-sm);
    color: var(--ink-faint);
}

.layer-row {
    display: grid;
    grid-template-columns: 1.25rem 1fr auto auto;
    align-items: center;
    gap: var(--gap-1);
    padding-right: var(--gap-2);
    height: 1.9rem;
    border-bottom: 1px solid transparent;
}

.layer-row:hover {
    background: var(--surface-raised);
}

.layer-row.is-selected {
    background: var(--surface-raised);
    box-shadow: inset 2px 0 0 var(--marker);
}

.layer-row.is-hidden .layer-name {
    color: var(--ink-faint);
    text-decoration: line-through;
}

.layer-row.is-locked .layer-name {
    color: var(--ink-faint);
    font-style: italic;
}

.layer-name {
    font-size: var(--text-sm);
    color: var(--ink-muted);
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.layer-row.is-selected .layer-name {
    color: var(--ink);
}

.layer-action {
    width: 1.25rem;
    height: 1.25rem;
    display: grid;
    place-items: center;
    color: var(--ink-faint);
    font-size: var(--text-xs);
}

.layer-action:hover {
    color: var(--ink);
}

/* Ícones das ações de camada desenhados com caracteres do próprio sistema:
   nenhuma fonte de ícone externa é carregada. */
.layer-action[data-icon='eye']::before { content: '\25C9'; }
.layer-action[data-icon='eye-off']::before { content: '\25CB'; }
.layer-action[data-icon='lock']::before { content: '\25A0'; }
.layer-action[data-icon='unlock']::before { content: '\25A1'; }
.layer-action[data-icon='chevron-down']::before { content: '\25BE'; }
.layer-action[data-icon='chevron-right']::before { content: '\25B8'; }

.layer-spacer {
    width: 1.25rem;
}

/* ---------- Overlay de seleção ---------- */

.overlay-frame {
    fill: none;
    stroke: var(--marker);
}

.overlay-member {
    fill: none;
    stroke: var(--marker);
    stroke-dasharray: 3 3;
    opacity: 0.55;
}

.overlay-handle {
    fill: var(--surface-shell);
    stroke: var(--marker);
}

.overlay-handle:hover {
    fill: var(--marker);
}

.overlay-marquee {
    fill: rgb(36 200 232 / 0.12);
    stroke: var(--marker);
    stroke-dasharray: 4 3;
}

.overlay-node {
    fill: var(--surface-shell);
    stroke: var(--accent);
    stroke-width: 1;
}

.overlay-node.is-active {
    fill: var(--accent);
}

/* ---------- Editor de texto no canvas ---------- */

.canvas-text-editor {
    position: fixed;
    z-index: 40;
    min-width: 6rem;
    padding: 0;
    background: transparent;
    border: 1px dashed var(--marker);
    line-height: 1;
    outline: none;
}

/* ---------- Diálogos ---------- */

.dialog-overlay {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    background: rgb(0 0 0 / 0.6);
    z-index: 50;
}

.dialog-overlay.is-open {
    display: grid;
}

.dialog {
    width: min(28rem, 92vw);
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
}

.dialog-header {
    padding: var(--gap-3);
    border-bottom: 1px solid var(--line);
    font-size: var(--text-lg);
    font-weight: 600;
}

.dialog-body {
    padding: var(--gap-4) var(--gap-3);
    font-size: var(--text-md);
    color: var(--ink-muted);
    user-select: text;
}

.dialog-field {
    padding: 0 var(--gap-3) var(--gap-3);
}

.dialog-field input {
    width: 100%;
    height: 2rem;
    padding: 0 var(--gap-2);
    background: var(--surface-sunken);
    border: 1px solid var(--line-strong);
}

.dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--gap-2);
    padding: var(--gap-3);
    border-top: 1px solid var(--line);
}

.shortcut-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--gap-1) var(--gap-4);
    font-size: var(--text-sm);
}

.shortcut-grid dt {
    font-family: var(--font-mono);
    color: var(--ink);
}

/* ---------- Rascunho em andamento ---------- */

/* Forma sendo desenhada nao pode capturar o proprio ponteiro. Classe em vez de
   style inline: o atributo `style` agora carrega o modo de mesclagem ate o export. */
.is-drafting {
    pointer-events: none;
}

/* ---------- Alcas de no e guias ---------- */

.overlay-handle-stem {
    stroke: var(--accent);
    opacity: 0.7;
}

.overlay-handle-knob {
    fill: var(--surface-shell);
    stroke: var(--accent);
}

.overlay-handle-knob:hover {
    fill: var(--accent);
}

.overlay-guide {
    stroke: #ff4fa3;
    stroke-dasharray: 4 4;
    pointer-events: none;
}

/* ---------- Editor de gradiente ---------- */

.gradient-bar {
    position: relative;
    height: 2rem;
    border: 1px solid var(--line-strong);
    /* Xadrez atras da faixa: paradas com opacidade precisam ser legiveis. */
    background-color: #fff;
    cursor: copy;
}

.gradient-stop {
    position: absolute;
    top: 100%;
    width: 0.75rem;
    height: 0.75rem;
    margin-left: -0.375rem;
    border: 1px solid var(--ink);
    cursor: ew-resize;
}

.gradient-stop.is-active {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.gradient-bar + .field {
    margin-top: var(--gap-2);
}

/* ---------- Guias do usuário ---------- */

.overlay-user-guide {
    stroke: #4fd1c5;
    pointer-events: none;
}

/* ---------- Pilha de filtros ---------- */

.filter-row {
    padding: var(--gap-2);
    border: 1px solid var(--line);
    margin-bottom: var(--gap-2);
    background: var(--surface-sunken);
}

.filter-head {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    align-items: center;
    gap: var(--gap-1);
    margin-bottom: var(--gap-2);
}

.filter-name {
    font-size: var(--text-sm);
    color: var(--ink);
}

.filter-row .layer-action:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Campo compacto: dentro da pilha o rótulo precisa de menos largura. */
.field-compact {
    grid-template-columns: 4.5rem 1fr auto;
    margin-bottom: var(--gap-1);
}

/* ---------- Painel recolhível ---------- */

.panel-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-2);
    flex: 1;
    padding: 0;
    color: inherit;
    text-align: left;
}

.panel-chevron {
    width: 0.75rem;
    color: var(--ink-faint);
    text-align: center;
    transition: transform var(--transition);
}

.panel-chevron::before {
    content: '\25BE';
}

.panel.is-collapsed .panel-chevron {
    transform: rotate(-90deg);
}

.panel.is-collapsed .panel-body,
.panel.is-collapsed .panel-content {
    display: none;
}

.panel-toggle:hover .panel-title {
    color: var(--ink);
}

/* ---------- Menu por clique ---------- */

.menu-item.is-open .menu-list {
    display: block;
}

.menu-item.is-open .menu-trigger {
    background: var(--surface-raised);
    color: var(--ink);
}

/* ---------- Diálogo: conteúdo montado ---------- */

.dialog-content {
    padding: 0 var(--gap-3) var(--gap-3);
}

.btn-lg {
    height: 2.5rem;
    padding: 0 var(--gap-4);
    font-size: var(--text-md);
}

/* ---------- Formulário de documento ---------- */

.doc-form {
    display: grid;
    gap: var(--gap-4);
}

.doc-label {
    display: block;
    margin-bottom: var(--gap-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.doc-preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.doc-preset-grid .btn {
    border: 0;
    font-size: var(--text-xs);
}

.doc-sizes {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
    gap: var(--gap-2);
}

.doc-field label {
    display: block;
    margin-bottom: var(--gap-1);
    font-size: var(--text-sm);
    color: var(--ink-muted);
}

.doc-field input {
    width: 100%;
    height: 2.25rem;
    padding: 0 var(--gap-2);
    background: var(--surface-sunken);
    border: 1px solid var(--line-strong);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.doc-swap {
    height: 2.25rem;
    width: 2.25rem;
}

.doc-bg-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
    gap: var(--gap-2);
    align-items: center;
}

.doc-bg-choice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gap-2);
    height: 2.25rem;
}

.doc-bg-choice.is-active {
    border-color: var(--accent);
    color: var(--ink);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.bg-chip {
    width: 0.875rem;
    height: 0.875rem;
    border: 1px solid var(--line-strong);
    flex: 0 0 auto;
}

/* Xadrez no chip é o sinal universal de transparência. */
.bg-chip.is-transparent {
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #b8b8c0 25%, transparent 25%),
        linear-gradient(-45deg, #b8b8c0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #b8b8c0 75%),
        linear-gradient(-45deg, transparent 75%, #b8b8c0 75%);
    background-size: 0.5rem 0.5rem;
    background-position: 0 0, 0 0.25rem, 0.25rem -0.25rem, -0.25rem 0;
}

.doc-bg-options input[type='color'] {
    height: 2.25rem;
    padding: 0;
    background: none;
    border: 1px solid var(--line-strong);
    cursor: pointer;
}

.doc-bg-options input[type='color']:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ---------- Tela de boas-vindas ---------- */

.welcome {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    padding: var(--gap-4);
    background: var(--surface-stage);
    /* O mesmo padrão de pontos do workspace: a tela pertence ao editor,
       não é um anúncio colado na frente dele. */
    background-image: radial-gradient(circle, #1a1a1d 1px, transparent 1px);
    background-size: 1.5rem 1.5rem;
    z-index: 60;
    overflow-y: auto;
}

.welcome.is-open {
    display: grid;
}

.welcome-panel {
    width: min(34rem, 100%);
    padding: var(--gap-5);
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
}

.welcome-mark {
    width: 3.5rem;
    height: 3.5rem;
    display: block;
    margin-bottom: var(--gap-4);
}

.welcome-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.welcome-title span {
    color: var(--accent);
}

.welcome-lead {
    margin-top: var(--gap-2);
    font-size: var(--text-lg);
    color: var(--ink);
}

.welcome-text {
    margin-top: var(--gap-3);
    color: var(--ink-muted);
    line-height: 1.6;
}

.welcome-actions {
    display: grid;
    gap: var(--gap-2);
    margin-top: var(--gap-5);
}

.welcome-facts {
    margin-top: var(--gap-5);
    padding-top: var(--gap-4);
    border-top: 1px solid var(--line);
    display: grid;
    gap: var(--gap-2);
    font-size: var(--text-sm);
    color: var(--ink-muted);
}

.welcome-facts strong {
    color: var(--ink);
    font-weight: 600;
}

.welcome-skip {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
    margin-top: var(--gap-4);
    font-size: var(--text-sm);
    color: var(--ink-faint);
    cursor: pointer;
}

.welcome-skip input {
    accent-color: var(--accent);
}

/* ---------- Atalhos: agrupados em vez de lista corrida ---------- */

.shortcut-section {
    margin-top: var(--gap-4);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.shortcut-grid dt {
    font-family: var(--font-mono);
    color: var(--ink);
    white-space: nowrap;
}

.shortcut-grid dd {
    color: var(--ink-muted);
}