/* =================================================================
 * TECH-5607 (AP-F0) — TopBar styles
 *
 * Sticky header inside `.adm-main`. Holds: hamburger (mobile only),
 * breadcrumb + title (left), search trigger + theme switch +
 * notifications + actions slot (right).
 * ================================================================= */

.adm-topbar {
    position: sticky;
    top: 0;
    z-index: var(--adm-z-topbar);
    background: var(--adm-surface-topbar);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--adm-line);
    height: var(--adm-topbar-height);
    display: flex;
    align-items: center;
    gap: var(--adm-space-3);
    padding: 0 var(--adm-space-6);
    box-sizing: border-box;
}

.adm-topbar-left {
    display: flex;
    align-items: center;
    gap: var(--adm-space-3);
    flex: 1 1 auto;
    min-width: 0;
}

.adm-topbar-right {
    display: flex;
    align-items: center;
    gap: var(--adm-space-2);
    flex: 0 0 auto;
}

/* --- Hamburger (mobile only) --- */
.adm-topbar-menu {
    display: none;
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    color: var(--adm-text);
    border-radius: var(--adm-radius-md);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex: 0 0 36px;
}

.adm-topbar-menu:hover {
    background: var(--adm-surface-hover);
}

.adm-topbar-menu .adm-icon {
    width: 20px;
    height: 20px;
}

@media (max-width: 920px) {
    .adm-topbar-menu {
        display: inline-flex;
    }
}

/* --- Breadcrumb + title --- */
.adm-breadcrumb {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.adm-breadcrumb-trail {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--adm-font-mono);
    font-size: 10px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--adm-text-faint);
}

.adm-breadcrumb-trail .adm-icon {
    width: 10px;
    height: 10px;
    opacity: 0.5;
}

.adm-breadcrumb-trail span:last-child {
    color: var(--adm-text-muted);
}

.adm-breadcrumb-title {
    font-family: var(--adm-font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--adm-text-strong);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Search trigger --- */
.adm-topbar-search {
    display: inline-flex;
    align-items: center;
    gap: var(--adm-space-2);
    background: var(--adm-surface-soft);
    border: 1px solid var(--adm-line);
    border-radius: var(--adm-radius-md);
    padding: 6px var(--adm-space-3);
    color: var(--adm-text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: background var(--adm-transition-fast), border-color var(--adm-transition-fast);
    height: 34px;
    box-sizing: border-box;
}

.adm-topbar-search:hover {
    background: var(--adm-surface-hover);
    border-color: var(--adm-line-strong);
}

.adm-topbar-search .adm-icon {
    width: 14px;
    height: 14px;
}

.adm-topbar-search-kbd {
    font-family: var(--adm-font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--adm-text-faint);
    background: var(--adm-bg);
    border: 1px solid var(--adm-line);
    border-radius: 3px;
    padding: 1px 5px;
    line-height: 1;
}

@media (max-width: 920px) {
    .adm-topbar-search-text,
    .adm-topbar-search-kbd {
        display: none;
    }
    .adm-topbar-search {
        width: 36px;
        height: 36px;
        padding: 0;
        justify-content: center;
    }
}

/* --- Generic icon button (theme/notifications/etc.) --- */
.adm-topbar-iconbtn {
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    color: var(--adm-text);
    border-radius: var(--adm-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--adm-transition-fast), color var(--adm-transition-fast);
    position: relative;
    flex: 0 0 36px;
}

.adm-topbar-iconbtn:hover {
    background: var(--adm-surface-hover);
}

.adm-topbar-iconbtn .adm-icon {
    width: 18px;
    height: 18px;
}

.adm-topbar-iconbtn-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--adm-status-red);
}

/* --- Notifications dropdown panel --- */
.adm-notif-panel {
    position: absolute;
    top: calc(var(--adm-topbar-height) - 6px);
    right: var(--adm-space-6);
    width: 360px;
    max-width: calc(100vw - var(--adm-space-7));
    background: var(--adm-surface);
    border: 1px solid var(--adm-line);
    border-radius: var(--adm-radius-lg);
    box-shadow: var(--adm-shadow-md);
    z-index: var(--adm-z-popover);
    overflow: hidden;
}

.adm-notif-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--adm-space-3);
    padding: var(--adm-space-3) var(--adm-space-4);
    border-bottom: 1px solid var(--adm-line);
    font-family: var(--adm-font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--adm-text-muted);
}

.adm-notif-readall {
    border: 0;
    background: transparent;
    color: var(--adm-accent, var(--adm-text));
    font-family: var(--adm-font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--adm-radius-sm);
}

.adm-notif-readall:hover:not(:disabled) {
    background: var(--adm-surface-hover);
}

.adm-notif-readall:disabled {
    opacity: 0.5;
    cursor: default;
}

.adm-notif-empty {
    padding: var(--adm-space-7) var(--adm-space-5);
    text-align: center;
    color: var(--adm-text-faint);
    font-size: 13px;
}

/* Numeric count chip riding the bell button (in addition to the dot). */
.adm-notif-count {
    position: absolute;
    top: 2px;
    right: 0;
    min-width: 15px;
    height: 15px;
    padding: 0 3px;
    border-radius: 8px;
    background: var(--adm-status-red);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    line-height: 15px;
    text-align: center;
    pointer-events: none;
}

.adm-notif-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 60vh;
    overflow-y: auto;
}

.adm-notif-item {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--adm-line);
    position: relative;
}

.adm-notif-item:last-child {
    border-bottom: 0;
}

.adm-notif-item.is-unread {
    background: var(--adm-surface-accent, var(--adm-surface-hover));
}

.adm-notif-itembody {
    flex: 1 1 auto;
    display: flex;
    gap: var(--adm-space-3);
    align-items: flex-start;
    padding: var(--adm-space-3) var(--adm-space-4);
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
    color: var(--adm-text);
    min-width: 0;
}

.adm-notif-itembody:hover {
    background: var(--adm-surface-hover);
}

.adm-notif-ico {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--adm-radius-md);
    margin-top: 1px;
}

.adm-notif-ico--blue  { background: rgba(54, 99, 216, 0.12);  color: #3663d8; }
.adm-notif-ico--green { background: rgba(46, 204, 113, 0.14); color: #1f9d57; }
.adm-notif-ico--amber { background: rgba(243, 156, 18, 0.16); color: #c47e0a; }
.adm-notif-ico--red   { background: rgba(231, 76, 60, 0.14);  color: #d23b2c; }
.adm-notif-ico--gray  { background: var(--adm-surface-hover); color: var(--adm-text-muted); }

.adm-notif-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.adm-notif-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--adm-text-strong);
    line-height: 1.3;
}

.adm-notif-subtitle {
    font-size: 12px;
    color: var(--adm-text-muted);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.adm-notif-time {
    font-size: 10px;
    font-family: var(--adm-font-mono);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--adm-text-faint);
    margin-top: 1px;
}

.adm-notif-dismiss {
    flex: 0 0 auto;
    border: 0;
    background: transparent;
    color: var(--adm-text-faint);
    cursor: pointer;
    padding: 0 var(--adm-space-3);
    display: inline-flex;
    align-items: center;
    opacity: 0;
    transition: opacity var(--adm-transition-fast), color var(--adm-transition-fast);
}

.adm-notif-item:hover .adm-notif-dismiss {
    opacity: 1;
}

.adm-notif-dismiss:hover {
    color: var(--adm-status-red);
}

/* --- Command palette overlay --- */
.adm-cmd-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.42);
    z-index: var(--adm-z-modal);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.adm-cmd-panel {
    width: min(580px, calc(100vw - 32px));
    background: var(--adm-surface);
    border: 1px solid var(--adm-line);
    border-radius: var(--adm-radius-lg);
    box-shadow: var(--adm-shadow-lg);
    overflow: hidden;
}

.adm-cmd-input-row {
    display: flex;
    align-items: center;
    gap: var(--adm-space-3);
    padding: var(--adm-space-4) var(--adm-space-5);
    border-bottom: 1px solid var(--adm-line);
}

.adm-cmd-input-row .adm-icon {
    width: 18px;
    height: 18px;
    color: var(--adm-text-faint);
}

.adm-cmd-input {
    flex: 1 1 auto;
    border: 0;
    background: transparent;
    color: var(--adm-text);
    font-size: 15px;
    font-family: var(--adm-font-body);
    outline: none;
}

.adm-cmd-empty {
    padding: var(--adm-space-6) var(--adm-space-5);
    text-align: center;
    color: var(--adm-text-faint);
    font-size: 13px;
    font-family: var(--adm-font-body);
    line-height: 1.55;
}

/* --- Command palette results --- */
.adm-cmd-results {
    max-height: 56vh;
    overflow-y: auto;
    padding: var(--adm-space-2) 0;
}

.adm-cmd-group-label {
    padding: var(--adm-space-2) var(--adm-space-5);
    font-family: var(--adm-font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--adm-text-faint);
}

.adm-cmd-item {
    display: flex;
    align-items: center;
    gap: var(--adm-space-3);
    width: 100%;
    border: 0;
    background: transparent;
    text-align: left;
    padding: var(--adm-space-3) var(--adm-space-5);
    cursor: pointer;
    color: var(--adm-text);
    font-family: var(--adm-font-body);
    transition: background var(--adm-transition-base);
}

.adm-cmd-item:hover,
.adm-cmd-item:focus-visible {
    background: var(--adm-surface-hover);
    outline: none;
}

.adm-cmd-item-icon {
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--adm-radius-sm);
    background: var(--adm-surface-soft);
    color: var(--adm-primary);
    font-size: 13px;
    line-height: 1;
}

.adm-cmd-item-text {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.adm-cmd-item-title {
    font-size: 14px;
    color: var(--adm-text-strong);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.adm-cmd-item-sub {
    font-size: 12px;
    color: var(--adm-text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.adm-cmd-item-kbd {
    flex: 0 0 auto;
    color: var(--adm-text-faint);
    font-size: 12px;
    opacity: 0;
    transition: opacity var(--adm-transition-base);
}

.adm-cmd-item:hover .adm-cmd-item-kbd {
    opacity: 1;
}

.adm-cmd-spinner {
    flex: 0 0 auto;
    width: 14px;
    height: 14px;
    border: 2px solid var(--adm-line-strong);
    border-top-color: var(--adm-primary);
    border-radius: 50%;
    animation: adm-cmd-spin 0.6s linear infinite;
}

@keyframes adm-cmd-spin { to { transform: rotate(360deg); } }

.adm-cmd-foot {
    display: flex;
    gap: var(--adm-space-4);
    padding: var(--adm-space-3) var(--adm-space-5);
    border-top: 1px solid var(--adm-line);
    font-size: 11px;
    color: var(--adm-text-faint);
    font-family: var(--adm-font-mono);
}

.adm-cmd-foot kbd {
    background: var(--adm-surface-soft);
    border: 1px solid var(--adm-line);
    border-radius: 4px;
    padding: 1px 5px;
    margin-right: 2px;
    font-size: 10px;
}

/* --- Theme switch button visual --- */
.adm-topbar-iconbtn[data-theme-target] .adm-icon {
    transition: transform var(--adm-transition-base), opacity var(--adm-transition-base);
}