/* ─────────────────────────────────────────────────
   Swiss — Rational grid, cool neutrals, sharp hierarchy
   ───────────────────────────────────────────────── */

:root[data-ui-theme="swiss"] {
    --bg: #f3f3ef;
    --bg-accent: rgba(210, 40, 30, 0.04);
    --text: #1a1a1a;
    --sidebar-bg: #eaeae5;
    --sidebar-strong: #f9f9f5;
    --border: rgba(26, 26, 26, 0.1);
    --panel-border: rgba(26, 26, 26, 0.78);
    --panel-bg: #f0f0eb;
    --panel-elevated: #ffffff;
    --editor-surface: #ffffff;
    --muted: #5e6368;
    --input-border: rgba(26, 26, 26, 0.2);
    --button-bg: #1a1a1a;
    --button-text: #ffffff;
    --link-text: #1a1a1a;
    --active-bg: #d2281e;
    --active-text: #ffffff;
    --placeholder: #848890;
    --modal-bg: #ffffff;
    --modal-muted: #5e6368;
    --backdrop: rgba(26, 26, 26, 0.36);
    --shadow-soft: 0 1px 2px rgba(26, 26, 26, 0.06);
    --shadow-panel: none;
    --focus-ring: 0 0 0 2px rgba(210, 40, 30, 0.2);
    --accent-red: #d2281e;
    --accent-blue: #2563a8;
    --accent-yellow: #e0a216;
    --font-ui: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
    --font-display: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
    --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
    --ui-letter-spacing: -0.005em;
    --radius-panel: 4px;
    --radius-card: 3px;
    --radius-input: 3px;
    --radius-note: 3px;
    --radius-button: 3px;
    --radius-icon: 4px;
    --radius-editor: 4px;
    --radius-status: 4px 4px 0 0;
    --label-letter-spacing: 0.14em;
    --label-transform: uppercase;
    --button-letter-spacing: 0.1em;
    --button-transform: uppercase;
    --button-weight: 700;
    --title-letter-spacing: -0.04em;
    --title-transform: uppercase;
    --title-max-width: none;
    --display-letter-spacing: -0.05em;
    --display-transform: uppercase;
    --display-max-width: 12ch;
    --editor-font-size: 1rem;
    --editor-line-height: 1.72;
}

:root[data-ui-theme="swiss"] body {
    background:
        linear-gradient(90deg, rgba(26, 26, 26, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(26, 26, 26, 0.035) 1px, transparent 1px),
        var(--bg);
    background-size: 64px 64px, 64px 64px, auto;
}

:root[data-ui-theme="swiss"] .sidebar {
    border-right: 1px solid var(--border);
    box-shadow: none;
}

:root[data-ui-theme="swiss"] .title-row h1 {
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1;
}

:root[data-ui-theme="swiss"] .sidebar-tagline {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
}

:root[data-ui-theme="swiss"] .icon-button {
    background: transparent;
    border-width: 1px;
}

:root[data-ui-theme="swiss"] .note-delete,
:root[data-ui-theme="swiss"] .note-pin {
    border-width: 1px;
}

:root[data-ui-theme="swiss"] .auth {
    border-width: 1px;
    box-shadow: none;
}

:root[data-ui-theme="swiss"] #notes li {
    border: 1px solid var(--border);
    box-shadow: none;
}

:root[data-ui-theme="swiss"] #notes li:hover {
    border-color: rgba(26, 26, 26, 0.22);
}

:root[data-ui-theme="swiss"] #notes li.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    box-shadow: none;
}

:root[data-ui-theme="swiss"] .sidebar-count {
    background: var(--accent-red);
    border-radius: 2px;
    font-size: 0.72rem;
}

:root[data-ui-theme="swiss"] .welcome-badge {
    border-radius: 2px;
    background: rgba(210, 40, 30, 0.08);
    border-color: rgba(210, 40, 30, 0.2);
}

:root[data-ui-theme="swiss"] .welcome-hero,
:root[data-ui-theme="swiss"] .welcome-card,
:root[data-ui-theme="swiss"] .welcome-footer {
    border: 1px solid var(--border);
    box-shadow: none;
}

:root[data-ui-theme="swiss"] .editor-body {
    border: 1px solid var(--border);
    box-shadow: none;
}

:root[data-ui-theme="swiss"] .status-bar {
    border-width: 1px;
    box-shadow: none;
}


:root[data-ui-theme="swiss"] .modal-card {
    border-width: 1px;
    box-shadow: 0 8px 32px rgba(26, 26, 26, 0.12);
}

:root[data-ui-theme="swiss"] .toast {
    box-shadow: 0 2px 8px rgba(26, 26, 26, 0.08);
}

:root[data-ui-theme="swiss"] .theme-panel {
    border-width: 1px;
    box-shadow: 0 4px 16px rgba(26, 26, 26, 0.1);
}