/**
 * FireSys — Workspace Tabs (estilo Chrome / OptimaDrywall)
 */

:root {
    --workspace-tab-height: 38px;
    --workspace-tab-bar-bg: var(--topbar-bg, #fff);
    --workspace-tab-inactive-bg: transparent;
    --workspace-tab-active-bg: var(--card-background, #fff);
    --workspace-tab-border: var(--border-color, #e5e7eb);
    --workspace-tab-active-accent: var(--accent-red, #e02424);
}

.workspace-tabs-wrapper {
    flex-shrink: 0;
    border-bottom: 1px solid var(--workspace-tab-border);
    background: var(--workspace-tab-bar-bg);
}

.workspace-tab-bar {
    display: none;
    align-items: stretch;
    min-height: var(--workspace-tab-height);
    padding: 0.35rem 0.75rem 0;
    gap: 0.25rem;
    overflow: hidden;
}

@media (min-width: 992px) {
    .workspace-tab-bar {
        display: flex;
    }
}

.workspace-tab-scroll {
    display: flex;
    align-items: flex-end;
    gap: 0.2rem;
    overflow-x: auto;
    overflow-y: hidden;
    flex: 1 1 auto;
    min-width: 0;
    scrollbar-width: thin;
    padding-bottom: 0;
}

.workspace-tab-scroll::-webkit-scrollbar {
    height: 4px;
}

.workspace-tab-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    max-width: 220px;
    min-width: 120px;
    height: calc(var(--workspace-tab-height) - 2px);
    padding: 0 0.65rem 0 0.75rem;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    background: var(--workspace-tab-inactive-bg);
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    user-select: none;
    position: relative;
}

.workspace-tab-item:hover {
    background: var(--background-color);
    color: var(--text-color);
}

.workspace-tab-item.is-active {
    background: var(--workspace-tab-active-bg);
    color: var(--text-color);
    border-color: var(--workspace-tab-border);
    font-weight: 600;
    box-shadow: 0 -1px 0 var(--workspace-tab-active-accent) inset;
}

.workspace-tab-item.is-dirty .workspace-tab-title::after {
    content: ' •';
    color: var(--workspace-tab-active-accent);
}

.workspace-tab-icon {
    font-size: 0.75rem;
    opacity: 0.85;
    flex-shrink: 0;
}

.workspace-tab-item.is-active .workspace-tab-icon {
    color: var(--workspace-tab-active-accent);
}

.workspace-tab-title {
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.workspace-tab-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
}

.workspace-tab-close:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--accent-red);
}

.workspace-tab-item.is-active .workspace-tab-close:hover {
    background: var(--accent-red-subtle);
}

body.workspace-tabs-active .app-main-area {
    min-height: 0;
}

body.workspace-tabs-active #workspace-tab-panels {
    flex: 1 1 auto;
    min-height: 0;
    height: 0;
}

.workspace-tab-panels {
    flex: 1 1 auto;
    min-height: 0;
    display: none;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.workspace-tab-panel {
    display: none;
    flex: 1 1 auto;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
}

.workspace-tab-panel.is-active {
    display: flex;
}

.workspace-tab-panel iframe {
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    min-height: 0;
    border: none;
    background: var(--background-color);
    display: block;
}

.workspace-tab-mobile {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--workspace-tab-border);
}

@media (min-width: 992px) {
    .workspace-tab-mobile {
        display: none !important;
    }
}

body.workspace-tabs-active #workspace-initial-content {
    display: none !important;
}

body.workspace-tabs-active .workspace-tab-panels {
    display: flex;
}

/* Embed mode (conteúdo dentro do iframe) */
body.workspace-embed-body {
    margin: 0;
    background: var(--background-color);
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .workspace-tab-item,
    .workspace-tab-close {
        transition: none;
    }
}

@media print {
    .workspace-tabs-wrapper,
    .workspace-tab-panels {
        display: none !important;
    }

    #workspace-initial-content {
        display: block !important;
    }
}