.topbar {
    border-bottom: 1px solid var(--border-soft);
    background: var(--topbar-bg);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 10;
    padding-top: env(safe-area-inset-top);
}

.topbar-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.topbar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar-row--utility {
    justify-content: space-between;
}

.topbar-utility-group {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.topbar-row--utility .btn-icon-toggle {
    margin-inline-start: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.brand-memo {
    color: var(--accent);
}

.brand-sub {
    margin: 0.1rem 0 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.theme-switch-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.theme-switch-icon {
    font-size: 0.85rem;
    line-height: 1;
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

.theme-switch-icon--moon {
    opacity: 1;
}

:root[data-theme="light"] .theme-switch-icon--moon {
    opacity: 0.4;
}

:root[data-theme="light"] .theme-switch-icon--sun {
    opacity: 1;
}

.theme-switch {
    position: relative;
    width: 46px;
    height: 26px;
    padding: 0;
    flex-shrink: 0;
    border: 1px solid var(--border);
    border-radius: 999px;
    background-color: var(--bg-elevated);
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.theme-switch-thumb {
    position: absolute;
    top: 3px;
    inset-inline-start: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

:root[data-theme="light"] .theme-switch-thumb {
    transform: translateX(20px);
}

html[dir="rtl"][data-theme="light"] .theme-switch-thumb {
    transform: translateX(-20px);
}

.trash-btn {
    position: relative;
    font-size: 1.15rem;
}

.trash-badge {
    position: absolute;
    top: -2px;
    inset-inline-end: -4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 999px;
    background-color: var(--danger);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
}

.lang-switch {
    display: flex;
    gap: 0.3rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.2rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 16px;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.lang-btn:hover {
    color: var(--text-main);
}

.lang-btn.is-active {
    background-color: var(--accent);
    color: #04121c;
}

.panel-divider {
    border-top: 1px solid var(--border-soft);
}