/*
 * ZEUS Studio — a casca de 4 colunas (Fase 3): o chrome do app logado.
 * Conteúdo real de cada coluna (Início, Criar, diagnóstico...) vem das
 * fases seguintes — aqui só a estrutura, navegável e acessível, existe.
 */

.z-shell {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100vh;
    background: var(--z-bg);
}

/* ---- Cabeçalho ---- */
.z-shell__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--z-space-4);
    padding: 0 var(--z-space-4);
    height: 56px;
    border-bottom: 1px solid var(--z-border);
    background: var(--z-bg-elevated);
}
.z-shell__logo {
    display: flex;
    align-items: center;
    gap: var(--z-space-2);
    font-family: var(--z-font-sans);
    font-weight: 700;
    font-size: var(--z-text-lg);
    letter-spacing: .04em;
}
.z-shell__logo-bolt {
    color: var(--z-orange);
}
.z-shell__header-actions {
    display: flex;
    align-items: center;
    gap: var(--z-space-3);
}
.z-shell__search-trigger {
    display: flex;
    align-items: center;
    gap: var(--z-space-2);
    background: var(--z-bg-elevated-2);
    border: 1px solid var(--z-border);
    color: var(--z-text-secondary);
    border-radius: var(--z-radius-full);
    padding: var(--z-space-2) var(--z-space-4);
    cursor: pointer;
    font-size: var(--z-text-sm);
    transition: border-color var(--z-duration-fast) var(--z-ease-out);
}
.z-shell__search-trigger:hover {
    border-color: var(--z-orange);
}
.z-shell__search-trigger kbd {
    font-family: var(--z-font-mono);
    background: var(--z-bg);
    border: 1px solid var(--z-border);
    border-radius: var(--z-radius-sm);
    padding: 0 var(--z-space-1);
    font-size: var(--z-text-xs);
}

/* Menu do usuário — <details>/<summary> nativo: teclado e foco de graça. */
.z-user-menu {
    position: relative;
}
.z-user-menu__trigger {
    display: flex;
    align-items: center;
    gap: var(--z-space-2);
    cursor: pointer;
    list-style: none;
    padding: var(--z-space-2) var(--z-space-2);
    border-radius: var(--z-radius-sm);
}
.z-user-menu__trigger::-webkit-details-marker { display: none; }
.z-user-menu__trigger:hover { background: var(--z-bg-elevated-2); }
.z-user-menu__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--z-orange-gradient);
    color: var(--z-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--z-text-xs);
}
.z-user-menu__panel {
    position: absolute;
    right: 0;
    top: calc(100% + var(--z-space-2));
    background: var(--z-bg-elevated);
    border: 1px solid var(--z-border);
    border-radius: var(--z-radius);
    box-shadow: var(--z-shadow-md);
    min-width: 180px;
    padding: var(--z-space-2);
    z-index: var(--z-index-overlay);
}
.z-user-menu__item {
    display: block;
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--z-text);
    padding: var(--z-space-2) var(--z-space-3);
    border-radius: var(--z-radius-sm);
    cursor: pointer;
}
.z-user-menu__item:hover { background: var(--z-bg-elevated-2); }

/* ---- Corpo: 4 colunas ---- */
.z-shell__body {
    display: grid;
    grid-template-columns: 64px 280px 1fr 320px;
    min-height: 0;
}
.z-shell__body[data-inspector="closed"] {
    grid-template-columns: 64px 280px 1fr 0;
}

.z-shell__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--z-space-2);
    padding: var(--z-space-3) 0;
    background: var(--z-bg-elevated);
    border-right: 1px solid var(--z-border);
}
.z-shell__rail-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--z-radius-sm);
    color: var(--z-text-secondary);
    cursor: pointer;
    font-size: var(--z-text-lg);
}
.z-shell__rail-btn:hover { background: var(--z-bg-elevated-2); color: var(--z-text); }
.z-shell__rail-btn[aria-current="page"] {
    color: var(--z-orange);
    background: var(--z-bg-elevated-2);
}

.z-shell__sidebar {
    overflow-y: auto;
    background: var(--z-bg-elevated);
    border-right: 1px solid var(--z-border);
    padding: var(--z-space-4) 0;
}
.z-shell__sidebar-title {
    padding: 0 var(--z-space-4) var(--z-space-2);
    font-size: var(--z-text-xs);
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--z-text-secondary);
}

.z-shell__main {
    overflow-y: auto;
    padding: var(--z-space-6);
}

.z-shell__inspector {
    overflow-y: auto;
    background: var(--z-bg-elevated);
    border-left: 1px solid var(--z-border);
    padding: var(--z-space-4);
}
.z-shell__body[data-inspector="closed"] .z-shell__inspector {
    display: none;
}

@media (max-width: 900px) {
    .z-shell__body {
        grid-template-columns: 64px 1fr;
    }
    .z-shell__sidebar,
    .z-shell__inspector {
        display: none;
    }
}

/* ==========================================================================
   Paleta de comandos (⌘⇧P) e busca global (⌘K) — mesmo overlay, dois usos.
   ========================================================================== */
.z-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-index-overlay);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
}
.z-overlay__backdrop {
    position: absolute;
    inset: 0;
    background: hsl(0 0% 0% / .55);
    backdrop-filter: blur(6px);
}
.z-overlay__panel {
    position: relative;
    width: min(560px, 92vw);
    max-height: 60vh;
    display: flex;
    flex-direction: column;
    background: var(--z-bg-elevated);
    border: 1px solid var(--z-border-strong);
    border-radius: var(--z-radius-lg);
    box-shadow: var(--z-shadow-lg);
    overflow: hidden;
    animation: z-overlay-in var(--z-duration-base) var(--z-ease-out) both;
}
@media (prefers-reduced-motion: reduce) {
    .z-overlay__panel { animation: none; }
}
@keyframes z-overlay-in {
    from { opacity: 0; transform: translateY(-8px) scale(.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.z-overlay__input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--z-border);
    color: var(--z-text);
    padding: var(--z-space-4) var(--z-space-5);
    font-size: var(--z-text-lg);
}
.z-overlay__input:focus {
    outline: none;
}
.z-overlay__list {
    list-style: none;
    margin: 0;
    padding: var(--z-space-2);
    overflow-y: auto;
}
.z-overlay__item {
    justify-content: space-between;
    border-radius: var(--z-radius-sm);
    border-left: none;
}
.z-overlay__item.is-active,
.z-overlay__item:hover {
    background: var(--z-bg-elevated-2);
}
.z-overlay__item.is-active {
    outline: 2px solid var(--z-orange);
    outline-offset: -2px;
}
.z-overlay__hint {
    color: var(--z-text-secondary);
    font-size: var(--z-text-xs);
    font-family: var(--z-font-mono);
}
.z-overlay__empty {
    padding: var(--z-space-5);
}