[data-theme="dark"] {
    --bg: #101713;
    --bg-card: #18211c;
    --bg-sidebar: #131b16;
    --text: #e6ece8;
    --text-secondary: #a4b0a8;
    --text-muted: #6b7a70;
    --accent: #7fb295;
    --accent-hover: #9cc9ae;
    --accent-soft: #223028;
    --border: #26332b;
    --border-strong: #37453c;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, 0.5);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all .3s cubic-bezier(.2, .9, .4, 1);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

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