/* ===================================
   AINO Lab — Command Palette (Ctrl+K)
   =================================== */

/* Backdrop */
#cmd-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 900;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
#cmd-backdrop.open { display: block; }

/* Palette container */
#cmd-palette {
    display: none;
    position: fixed;
    top: 12vh;
    left: 50%;
    transform: translateX(-50%);
    width: min(640px, 92vw);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 901;
    overflow: hidden;
    flex-direction: column;
}
#cmd-palette.open { display: flex; }

/* Search input area */
.cmd-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border-color);
}
.cmd-input-wrap i {
    color: var(--text-muted);
    font-size: 1rem;
    flex-shrink: 0;
}
#cmd-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    caret-color: var(--du-orange);
}
#cmd-input::placeholder { color: var(--text-muted); }
.cmd-kbd-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    white-space: nowrap;
}

/* Results list */
#cmd-results {
    list-style: none;
    margin: 0;
    padding: 0.4rem 0;
    max-height: 360px;
    overflow-y: auto;
}

#cmd-results li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1.1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}
#cmd-results li:hover,
#cmd-results li.cmd-active {
    background: var(--bg-secondary);
}

.cmd-result-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--bg-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--du-orange);
    flex-shrink: 0;
}

.cmd-result-text {
    flex: 1;
    min-width: 0;
}
.cmd-result-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cmd-result-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cmd-result-type {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-accent);
    border-radius: 4px;
    padding: 0.1rem 0.45rem;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Empty / hint */
.cmd-empty {
    padding: 1.5rem 1.1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* Footer hint bar */
.cmd-footer {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0.5rem 1.1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.72rem;
    color: var(--text-muted);
}
.cmd-footer kbd {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-family: var(--font-sans);
}

/* Nav trigger button */
#cmd-trigger {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-sans);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}
#cmd-trigger:hover {
    border-color: var(--du-orange);
    color: var(--du-orange);
}