/* ============================================================
   Top Bar - dark chrome bar preserving the desktop MainForm identity
   (#404040 bar + white content). Responsive behavior:
   Desktop:  brand | breadcrumb | search | chips | icons | user
   Laptop:   branch/FY chips hidden (moved to overflow)
   Tablet:   breadcrumb hidden, search hidden (in overflow)
   Small:    only brand + user + overflow
   ============================================================ */
.topbar {
    position: sticky;
    top: 0;
    z-index: var(--z-topbar);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    height: var(--app-topbar-height);
    padding-inline: var(--spacing-md);
    background: var(--color-chrome-bg);
    color: var(--color-chrome-text);
    box-shadow: var(--shadow-sm);
}

.topbar__start,
.topbar__end {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
}

.topbar__end {
    margin-inline-start: auto;
}

/* Brand */
.topbar__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-section-title);
    font-weight: 600;
    color: var(--color-chrome-text);
    white-space: nowrap;
}

.topbar__brand:focus-visible {
    box-shadow: var(--focus-ring-chrome);
    border-radius: var(--radius-sm);
}

.topbar__brand .app-icon {
    color: var(--color-chrome-brand);
}

/* Breadcrumb */
.topbar__breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-label);
    color: var(--color-chrome-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar__breadcrumb-sep {
    color: var(--color-chrome-disabled);
}

/* Global search */
.topbar__search {
    flex: 1 1 auto;
    max-width: 380px;
    position: relative;
    display: flex;
    align-items: center;
}

.topbar__search .app-icon {
    position: absolute;
    inset-inline-start: var(--spacing-sm);
    color: var(--color-chrome-muted);
    pointer-events: none;
}

.topbar__search-input {
    width: 100%;
    height: 32px;
    padding-inline-start: calc(var(--spacing-sm) * 2 + 16px);
    padding-inline-end: var(--spacing-sm);
    background: var(--color-chrome-hover);
    border: 1px solid var(--color-chrome-border);
    border-radius: var(--radius-sm);
    color: var(--color-chrome-text);
    font-size: var(--font-size-label);
}

.topbar__search-input::placeholder {
    color: var(--color-chrome-muted);
}

.topbar__search-input:focus {
    outline: none;
    background: color-mix(in srgb, var(--color-chrome-text) 16%, transparent);
    border-color: var(--color-chrome-brand);
}

/* Info chips (branch / fiscal year) */
.topbar__chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    height: 28px;
    padding-inline: var(--spacing-sm);
    background: var(--color-chrome-hover);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-caption);
    color: var(--color-chrome-text);
    white-space: nowrap;
}

.topbar__chip .app-icon {
    color: var(--color-chrome-muted);
}

/* Info row values - desktop: white Tahoma text in FixedSingle-bordered boxes on #404040 */
.topbar__info-label {
    font-size: var(--font-size-label);
    color: var(--color-chrome-text);
    white-space: nowrap;
}

.topbar__info-value {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 2px var(--spacing-md);
    border: 1px solid var(--color-chrome-border);
    font-size: var(--font-size-label);
    color: var(--color-chrome-text);
    white-space: nowrap;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Fiscal year flash on load - desktop Timer_ChangeF_Y_Color (DarkOrchid, 500ms pulses) */
.topbar__info-value--fy {
    animation: topbar-fy-flash 1s steps(1, end) 4;
}

@keyframes topbar-fy-flash {
    0%, 100% { background: transparent; }
    50% { background: var(--color-fy-flash); }
}

@media (prefers-reduced-motion: reduce) {
    .topbar__info-value--fy {
        animation: none;
    }
}

.topbar__version {
    font-size: var(--font-size-caption);
    color: var(--color-chrome-muted);
    white-space: nowrap;
    direction: ltr;
}

/* Icon buttons */
.topbar__iconbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    color: var(--color-chrome-text);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.topbar__iconbtn:hover {
    background: var(--color-chrome-hover);
}

.topbar__iconbtn:focus-visible {
    box-shadow: var(--focus-ring-chrome);
}

.topbar__iconbtn:disabled {
    color: var(--color-chrome-disabled);
    cursor: default;
}

.topbar__iconbtn--on-surface {
    color: var(--color-text-secondary);
}

.topbar__iconbtn--on-surface:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
}

.topbar__iconbtn--on-surface:focus-visible {
    box-shadow: var(--focus-ring);
}

.topbar__langbtn {
    width: auto;
    min-width: 34px;
    padding-inline: 8px;
    gap: 6px;
    font-size: var(--font-size-caption);
    font-weight: 500;
}

.topbar__lang-label {
    white-space: nowrap;
}

/* Theme toggle: show the icon of the mode you will switch TO */
[data-theme="light"] .topbar__theme-icon--sun { display: none; }
[data-theme="dark"] .topbar__theme-icon--moon { display: none; }

/* User menu */
.topbar__user {
    position: relative;
}

.topbar__user-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    height: 36px;
    padding-inline: var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--color-chrome-text);
    font-size: var(--font-size-label);
    transition: background-color var(--transition-fast);
}

.topbar__user-btn:hover {
    background: var(--color-chrome-hover);
}

.topbar__user-btn:focus-visible {
    box-shadow: var(--focus-ring-chrome);
}

.topbar__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-action-primary);
    color: var(--color-text-on-brand);
    font-size: var(--font-size-caption);
    font-weight: 600;
}

/* Dropdown menu (user menu + overflow menu) */
.menu {
    position: absolute;
    inset-block-start: calc(100% + 6px);
    inset-inline-end: 0;
    min-width: 210px;
    background: var(--color-background-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding-block: var(--spacing-xs);
    z-index: var(--z-dropdown);
    display: none;
}

.menu.is-open {
    display: block;
}

.menu__header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-caption);
    color: var(--color-text-secondary);
}

.menu__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-label);
    color: var(--color-text-primary);
    text-align: start;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.menu__item:hover:not(:disabled) {
    background: var(--color-hover);
}

.menu__item:disabled {
    color: var(--color-text-disabled);
    cursor: not-allowed;
    opacity: 1;
}

.menu__item--danger {
    color: var(--color-status-danger);
}

.menu__item--danger:hover:not(:disabled) {
    background: var(--color-status-danger-tint);
}

.menu__divider {
    height: 1px;
    background: var(--color-border-default);
    margin-block: var(--spacing-xs);
}

/* --- Responsive --- */
@media (max-width: 1199.98px) {
    .topbar__chip {
        display: none;
    }
}

@media (max-width: 991.98px) {
    .topbar__breadcrumb {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .topbar__search {
        display: none;
    }

    .topbar__user-name {
        display: none;
    }
}