/* Unified Vellum + Quillroom stylesheet */
:root {
    --vellum-bg: #fdfaf6;
    --vellum-accent: #e8f0e9;
    --vellum-text: #2d2d2d;
    --vellum-muted: #6b7280;
    --vellum-line-soft: rgba(0, 0, 0, 0.06);
    --vellum-line: rgba(0, 0, 0, 0.12);
    --vellum-line-strong: rgba(0, 0, 0, 0.24);
    --font-mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
    --font-serif: "Fraunces", "Palatino Linotype", "Book Antiqua", serif;
    --font-sans: "Inter", "Segoe UI", "Aptos", sans-serif;
}

body {
    font-family: var(--font-sans);
    background-color: var(--vellum-bg);
    color: var(--vellum-text);
    transition: background-color 0.3s ease;
}

html,
body {
    background: var(--vellum-bg) !important;
}

.mono,
.markdown-actions button,
.badge,
.footer,
.tiny,
.archive-input,
.archive-select,
.archive-view-toggle {
    font-family: var(--font-mono);
}

.serif,
#doc-title,
#preview,
#note-list li,
button,
select,
.button-label {
    font-family: var(--font-serif);
}

/* Shared container look */
.surface,
.invoice-canvas {
    background: #ffffff;
    border: 1px solid var(--vellum-line-soft);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.02);
}

/* Quillroom top area */
.topbar {
    background: color-mix(in oklab, #ffffff 82%, transparent) !important;
    border-bottom: 1px solid var(--vellum-line-soft) !important;
    backdrop-filter: none !important;
}

.brand h1 {
    color: var(--vellum-text);
    font-weight: 600;
}

.badge {
    color: #9ca3af;
}

main {
    max-width: 1320px !important;
    margin: 0 auto !important;
    padding: 16px !important;
}

#layout {
    min-height: calc(100vh - 92px) !important;
    gap: 0 !important;
}

/* Inputs and select controls modelled after Vellum archive controls */
.archive-input,
.archive-select,
#doc-picker,
#theme-select {
    background: transparent;
    border: none;
    border-bottom: 1px solid transparent;
    color: var(--vellum-muted);
    border-radius: 0;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.archive-input:hover,
.archive-select:hover,
#doc-picker:hover,
#theme-select:hover {
    border-bottom-color: var(--vellum-line);
}

.archive-input:focus,
.archive-select:focus,
#doc-picker:focus,
#theme-select:focus {
    outline: none;
    border-bottom-color: var(--vellum-line-strong);
    color: var(--vellum-text);
}

/* Buttons */
button,
.button-label {
    background: transparent;
    border: 1px solid var(--vellum-line-soft);
    color: var(--vellum-muted);
    border-radius: 6px;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

#editor-nav button,
#settings-nav button,
.markdown-actions button,
.footer,
.badge {
    font-family: var(--font-mono) !important;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 10px !important;
}

#editor-nav button {
    border-radius: 8px;
    border-color: var(--vellum-line-soft);
}

button:hover,
.button-label:hover {
    color: #4b5563;
    border-color: var(--vellum-line);
    background: rgba(255, 255, 255, 0.72);
}

.btn-pastel,
.btn-accent {
    background-color: var(--vellum-accent);
    color: #4a5d4c;
    border-color: transparent;
}

.btn-pastel:hover,
.btn-accent:hover {
    background-color: color-mix(in oklab, var(--vellum-accent) 90%, white);
    color: #3f4e41;
}

.icon-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.icon-btn,
#editor-nav .icon-btn {
    background: rgba(255, 255, 255, 0.82) !important;
}

.icon-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Sidebar/list for Quillroom */
#sidebar.surface {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: 1px solid var(--vellum-line-soft);
    box-shadow: none;
}

#sidebar {
    background: #ffffff !important;
    width: 320px !important;
    min-width: 240px !important;
    max-width: 320px !important;
    padding: 18px 12px !important;
}

#editor-view.surface {
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

#editor-view,
#settings-view {
    background: #ffffff !important;
}

#note-list {
    margin: 14px 0 0;
    padding: 0 2px;
}

#note-list li {
    padding: 8px 14px;
    margin-bottom: 4px;
    border-radius: 8px;
    color: var(--vellum-muted);
    background: transparent;
    transition: background 0.13s, color 0.13s;
    cursor: pointer;
}

#note-list li:hover {
    color: #4b5563;
    background: rgba(232, 240, 233, 0.5);
}

#note-list li[aria-current="true"],
#note-list li.active {
    background: var(--vellum-accent);
    color: #3f4e41;
    font-weight: 600;
}

#doc-title {
    font-family: var(--font-serif) !important;
    font-size: clamp(28px, 3vw, 42px) !important;
    font-weight: 600 !important;
    line-height: 1.06;
    letter-spacing: -0.02em;
    color: var(--vellum-text) !important;
}

.editor-header {
    padding: 18px 20px 14px !important;
    border-bottom: 1px solid var(--vellum-line-soft) !important;
}

#editor {
    background: #ffffff !important;
    color: var(--vellum-text) !important;
    font-family: var(--font-mono) !important;
    font-size: 14px !important;
    line-height: 1.65;
}

#preview {
    background: #ffffff !important;
    color: var(--vellum-text) !important;
    font-family: var(--font-serif) !important;
    line-height: 1.72;
}

.pane + .pane {
    border-left: 1px solid var(--vellum-line-soft) !important;
}

.footer {
    border-top: 1px solid var(--vellum-line-soft) !important;
    color: #9ca3af !important;
}

.settings-card {
    border: 1px solid var(--vellum-line-soft) !important;
    background: #ffffff !important;
}

/* Vellum native controls */
.archive-view-toggle {
    background: transparent;
    border: none;
    border-bottom: 1px solid transparent;
    color: #9ca3af;
    border-radius: 0;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.archive-view-toggle:hover {
    color: #4b5563;
}

.archive-view-toggle.active {
    color: var(--vellum-text);
    border-bottom-color: rgba(0, 0, 0, 0.18);
}

/* Subtle scrollbar used by Vellum */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: var(--vellum-bg);
}

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 10px;
}