.floating-input-wrapper {
    position: relative;
}

.top-bar {
    position: relative;
}

.top-bar-center-slot {
    position: absolute;
    left: 50%;
    top: calc(max(env(safe-area-inset-top), 45px) + 6px);
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 2;
}

.project-workspace-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.8rem;
    border-radius: 999px;
    background: var(--elevated-bg);
    border: var(--glass-border);
    color: var(--text-color);
    box-shadow: var(--shadow-md);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
    pointer-events: auto;
    transition: all 0.2s ease;
}

.project-workspace-chip:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.project-workspace-chip.hidden,
.project-workspace-actions-anchor.hidden,
.project-workspace-quick-menu.hidden,
.project-workspace-sheet-overlay.hidden,
.project-workspace-sheet.hidden,
.project-workspace-sheet-state.hidden,
.project-workspace-file-preview.hidden {
    display: none;
}

.project-workspace-chip i {
    font-size: 0.82rem;
    color: #7dd3fc;
}

body:not(.dark-mode) .project-workspace-chip {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(15, 23, 42, 0.1);
    color: #0f172a;
}

.project-workspace-actions-anchor {
    position: absolute;
    right: 0.35rem;
    bottom: calc(100% + 8px);
    z-index: 1400;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.6rem;
}

.project-workspace-actions-btn {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--window-bg);
    color: var(--text-color);
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

.project-workspace-actions-btn:hover,
.project-workspace-actions-btn:focus-visible {
    transform: translateY(-1px);
    background: var(--hover-bg);
}

.project-workspace-actions-btn[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.project-workspace-quick-menu {
    min-width: 160px;
    border-radius: 16px;
    padding: 0.45rem;
    background: var(--window-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.project-workspace-quick-item {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.94rem;
    text-align: left;
}

.project-workspace-quick-item:hover,
.project-workspace-quick-item:focus-visible {
    background: var(--hover-bg);
}

.project-workspace-quick-item i {
    width: 18px;
    text-align: center;
}

.project-workspace-sheet-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.28);
    z-index: 1800;
}

.project-workspace-sheet {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60vh;
    border-radius: 24px 24px 0 0;
    background: var(--elevated-bg);
    border-top: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 -24px 60px rgba(0, 0, 0, 0.22);
    padding: 0.7rem 1rem 1rem;
    display: flex;
    flex-direction: column;
}

.project-workspace-sheet-handle {
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: var(--border-color);
    margin: 0 auto 0.8rem;
}

.project-workspace-sheet-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.project-workspace-sheet-header h3 {
    margin: 0 0 0.2rem;
    font-size: 1.05rem;
}

.project-workspace-sheet-header p,
#project-workspace-sheet-subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.project-workspace-sheet-close {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
}

.project-workspace-file-tabs {
    display: flex;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
}

.project-workspace-file-tab {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 0.45rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 600;
}

.project-workspace-file-tab.active {
    background: var(--window-bg);
    color: var(--text-color);
}

.project-workspace-sheet-body {
    min-height: 0;
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-workspace-sheet-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 1.6rem 1rem;
}

.project-workspace-file-tree,
.project-workspace-file-preview {
    min-height: 0;
    flex: 1;
    overflow-y: auto;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.project-workspace-file-list {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.project-workspace-tree-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-color);
    padding: 0.72rem 0.8rem;
    border-radius: 14px;
    text-align: left;
    cursor: pointer;
}

.project-workspace-tree-row:hover,
.project-workspace-tree-row:focus-visible {
    background: var(--hover-bg);
}

.project-workspace-tree-row.is-folder {
    font-weight: 600;
}

.project-workspace-tree-row.is-file .project-workspace-tree-meta {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.project-workspace-tree-children {
    margin-left: 0.9rem;
    border-left: 1px solid var(--border-color);
    padding-left: 0.55rem;
}

.project-workspace-file-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
}

.project-workspace-preview-back {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
}

.project-workspace-file-preview-header h4 {
    margin: 0;
    font-size: 0.92rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-workspace-preview-meta {
    color: var(--text-secondary);
    font-size: 0.76rem;
}

.project-workspace-preview-content {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--window-bg);
    overflow: auto;
}

.project-workspace-preview-content pre {
    margin: 0;
    padding: 1rem;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.84rem;
    line-height: 1.5;
}

.project-workspace-file-warning {
    padding: 0.75rem 0.9rem;
    border-radius: 14px;
    background: rgba(245, 158, 11, 0.14);
    color: #fbbf24;
    margin-bottom: 0.8rem;
    font-size: 0.82rem;
}

.project-workspace-github-form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 0.4rem;
}

.project-workspace-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    color: var(--text-color);
    font-size: 0.88rem;
}

.project-workspace-field input {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--window-bg);
    color: var(--text-color);
    padding: 0.85rem 0.95rem;
    font-size: 0.95rem;
}

.project-workspace-submit-btn,
.settings-secondary-btn {
    border: 1px solid var(--border-color);
    background: var(--window-bg);
    color: var(--text-color);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.project-workspace-submit-btn {
    min-height: 46px;
    width: 100%;
    font-size: 0.94rem;
    font-weight: 600;
}

.settings-secondary-btn {
    min-height: 30px;
    padding: 0 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
}

.settings-secondary-btn:hover,
.project-workspace-submit-btn:hover {
    background: var(--hover-bg);
}

.settings-secondary-btn i {
    font-size: 0.78rem;
}

@media (max-width: 390px) {
    .project-workspace-chip span {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}