/* ============================================
   ERROR CODE REFERENCE
   ============================================ */

.errcodes {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--io-space-lg);
    box-sizing: border-box;
    gap: var(--io-space-md);
    font-family: var(--io-font-primary);
    overflow: hidden;
}

/* ---- TOOLBAR ---- */

.errcodes-toolbar {
    display: flex;
    align-items: center;
    gap: var(--io-space-lg);
    flex-shrink: 0;
}

.errcodes-title {
    font-size: var(--io-text-xl);
    font-weight: 700;
    color: var(--io-text-primary);
    white-space: nowrap;
}

.errcodes-title i { color: var(--io-error); margin-right: var(--io-space-sm); }

.errcodes-search-wrap {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.errcodes-search {
    width: 100%;
    height: var(--io-input-height);
    background: var(--io-surface-sunken);
    border: 1px solid var(--io-border);
    border-radius: var(--io-radius-md);
    color: var(--io-text-primary);
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    padding: 0 var(--io-space-md) 0 36px;
    outline: none;
    transition: border-color var(--io-transition-base), box-shadow var(--io-transition-base);
}

.errcodes-search:focus {
    border-color: var(--io-accent);
    box-shadow: 0 0 0 2px var(--io-accent-subtle);
}

.errcodes-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--io-text-tertiary);
    font-size: 13px;
    pointer-events: none;
}

.errcodes-count {
    font-family: var(--io-font-mono);
    font-size: 11px;
    color: var(--io-text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ---- CATEGORY GROUPS ---- */

.errcodes-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--io-space-md);
}

.errcodes-list::-webkit-scrollbar { width: 4px; }
.errcodes-list::-webkit-scrollbar-track { background: transparent; }
.errcodes-list::-webkit-scrollbar-thumb { background: var(--io-accent-subtle); border-radius: var(--io-radius-sm); }

.errcodes-group {
    display: flex;
    flex-direction: column;
    gap: var(--io-space-xs);
}

.errcodes-group-header {
    display: flex;
    align-items: center;
    gap: var(--io-space-sm);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--io-text-tertiary);
    font-weight: 700;
    font-family: var(--io-font-mono);
    cursor: pointer;
    padding: var(--io-space-xs) 0;
    user-select: none;
}

.errcodes-group-header i {
    font-size: 10px;
    transition: transform var(--io-transition-base);
}

.errcodes-group-header:hover { color: var(--io-text-secondary); }

.errcodes-group.collapsed .errcodes-group-body { display: none; }
.errcodes-group.collapsed .errcodes-group-header i { transform: rotate(-90deg); }

.errcodes-group-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--io-border-subtle), transparent);
}

.errcodes-group-count {
    font-size: 10px;
    color: var(--io-text-tertiary);
    font-weight: 400;
}

.errcodes-group-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* ---- ERROR ROW ---- */

.errcode-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr;
    gap: var(--io-space-md);
    padding: var(--io-space-sm) var(--io-space-md);
    background: var(--io-surface-raised);
    border: 1px solid var(--io-border-subtle);
    border-radius: var(--io-radius-sm);
    transition: all var(--io-transition-fast);
    align-items: start;
}

.errcode-row:hover {
    border-color: var(--io-accent-dim);
    background: var(--io-surface-hover);
}

.errcode-code {
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
    font-weight: 700;
    padding: 2px 0;
}

.errcode-code.sev-fan     { color: var(--io-warning); }
.errcode-code.sev-psu     { color: var(--io-error); }
.errcode-code.sev-temp    { color: #ff6b6b; }
.errcode-code.sev-voltage { color: #ffa94d; }
.errcode-code.sev-board   { color: #da77f2; }
.errcode-code.sev-other   { color: var(--io-info); }

.errcode-meaning {
    font-size: var(--io-text-xs);
    color: var(--io-text-primary);
    font-weight: 500;
    line-height: 1.4;
}

.errcode-solution {
    font-size: var(--io-text-xs);
    color: var(--io-text-secondary);
    line-height: 1.4;
    font-style: italic;
}

/* ---- EMPTY SEARCH ---- */

.errcodes-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--io-space-2xl);
    color: var(--io-text-tertiary);
    font-family: var(--io-font-mono);
    font-size: var(--io-text-sm);
}