*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: var(--font);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

body {
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-shrink: 0;
}

.app-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.app-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

.header-center { flex: 1; max-width: 500px; }

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.app-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--accent); color: var(--bg-primary); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }