/* Common CSS - automatically included in all pages */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@400;700&display=swap');

/* CSS Variables for theming */
:root {
    --color-background: #f5f5f5;
    --color-background2: #f3f4f5;
    --color-sidebar: #f2f2f2;
    --color-sidebar-border: #d5d2cc;
    --color-text: #1a202c;
    --color-text-secondary: #4a5568;
    --color-border: #d1d5db;
    --color-border-strong: #9ca3af;
    --color-primary: #9ca3af;
    --color-primary-hover: #7c828c;
    --color-primary-dark: #656971;
    /* Readable text/icon colour to sit on top of --color-primary. Recomputed
       from the chosen highlight colour's luminance whenever it changes (see
       applyHighlightColor / loadSettings), so light highlights get dark text. */
    --color-on-primary: #ffffff;
    --color-shadow-sm: rgba(0, 0, 0, 0.03);
    --color-shadow-md: rgba(0, 0, 0, 0.05);
    --color-shadow-lg: rgba(0, 0, 0, 0.08);

    /* Typography variables */
    --font-family-base: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-family-heading: 'Gowun Dodum', sans-serif;
    --font-size-base: 0.875rem;
    --font-size-large: 1rem;
    --font-size-xlarge: 1.25rem;
}

/* Dark mode theme */
[data-theme="dark"] {
    --color-background: #1e1e20;
    --color-background2: #2e2e30;
    --color-sidebar: #2e2e30;
    --color-sidebar-border: #555558;
    --color-text: #f7fafc;
    --color-text-secondary: #cbd5e0;
    --color-border: #4a5568;
    --color-border-strong: #718096;
    --color-primary: #9ca3af;
    --color-primary-hover: #7c828c;
    --color-primary-dark: #656971;
    --color-on-primary: #ffffff;
    --color-shadow-sm: rgba(0, 0, 0, 0.15);
    --color-shadow-md: rgba(0, 0, 0, 0.2);
    --color-shadow-lg: rgba(0, 0, 0, 0.25);
}

/* macOS-only typography. macOS uses WKWebView, which renders the downloaded
   Inter web font thinner/softer than Windows' WebView2 — noticeably so on
   standard-DPI (non-Retina) displays. On Mac we switch body/UI text to the
   system font (San Francisco), the same font native apps use, which WKWebView
   renders crisply, and nudge the base size up slightly for low-DPI displays.
   Scoped via the data-os attribute set in common.js, so Windows and Linux keep
   their current Inter appearance. */
:root[data-os="mac"] {
    --font-family-base: -apple-system, system-ui, 'Helvetica Neue', sans-serif;
    --font-size-base: 0.9375rem;   /* 15px (was 14px) */
    --font-size-large: 1.0625rem;  /* 17px (was 16px) */
}

/* Base body styles */
body {
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    /* Use grayscale antialiasing on macOS. WKWebView defaults to subpixel
       antialiasing, which renders text heavier/blurrier than Windows' WebView2.
       This is a no-op on Windows/Chromium, so it only sharpens the Mac. */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ensure html element also has background color */
html {
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease;
}

/* Heading styles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading) !important;
}

/* Common button styles */
.btn {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border: 1px solid var(--color-primary-dark);
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px var(--color-shadow-sm);
}

.btn:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-dark);
    box-shadow: 0 2px 4px var(--color-shadow-md);
}

.btn:active {
    transform: scale(0.98);
    box-shadow: none;
}

/* Common icon button styles */
.icon-button {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.2em;
    padding: 8px;
    display: inline-block;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.icon-button:hover {
    color: var(--color-primary);
    background-color: var(--color-background2);
}

/* Icon image styles */
.icon {
    display: inline-block;
    vertical-align: middle;
    /* Ensure the image takes up space */
    min-width: 16px;
    min-height: 16px;
    /* Hide broken image indicators and alt text overflow */
    font-size: 0;
    line-height: 0;
    /* Smooth color transitions for SVG */
    transition: filter 0.2s ease;
}

/* Dark mode: invert icons to make them light */
[data-theme="dark"] .icon {
    filter: invert(1) brightness(1.2);
}

/* Hide alt text completely when image is loading or broken */
.icon[alt] {
    text-indent: -9999px;
    overflow: hidden;
    white-space: nowrap;
}

/* SVG fill color inheritance for embedded icons */
.icon svg {
    fill: currentColor;
}

/* Common loading animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    animation: spin 1s linear infinite;
}

/* Common focus styles */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Modal styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-dialog {
    background-color: var(--color-background2);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    box-shadow: 0px 20px 40px rgba(0, 0, 0, 0.15), 
                0px 8px 16px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    width: 90%;
    max-width: 420px;
    animation: slideIn 0.2s ease;
    overflow: hidden;
}

[data-theme="dark"] .modal-dialog {
    background-color: var(--color-background2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    box-shadow: 0px 20px 40px rgba(0, 0, 0, 0.5), 
                0px 8px 16px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.05);
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 24px 24px 20px 24px;
    border-bottom: 1px solid var(--color-border);
    background: color-mix(in srgb, var(--color-text) 4%, transparent);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

[data-theme="dark"] .modal-header {
    border-bottom: 1px solid var(--color-border);
    background: color-mix(in srgb, var(--color-text) 4%, transparent);
}

.modal-body {
    padding: 24px;
}

.modal-body p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

.modal-footer {
    padding: 20px 24px 24px 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: color-mix(in srgb, var(--color-text) 2%, transparent);
}

[data-theme="dark"] .modal-footer {
    border-top: 1px solid var(--color-border);
    background: color-mix(in srgb, var(--color-text) 2%, transparent);
}

/* Secondary button style */
.btn-secondary {
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    border: 1.5px solid var(--color-border);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background-color: var(--color-background2);
    border-color: var(--color-border-strong);
    color: var(--color-text);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .btn-secondary {
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: var(--color-background2);
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

/* Danger button style */
.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3),
                0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.4),
                0 2px 4px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.btn-danger:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3),
                0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ============================================================================
   Command Runner (Ctrl+P / Cmd+P)
   ============================================================================ */

.command-runner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 60px;
    z-index: 10000;
    animation: fadeIn 0.2s ease;
}

.command-runner-container {
    width: 100%;
    max-width: 600px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0px 20px 40px rgba(0, 0, 0, 0.2),
                0px 8px 16px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    animation: slideDown 0.2s ease;
}

[data-theme="dark"] .command-runner-container {
    background-color: var(--color-background2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    box-shadow: 0px 20px 40px rgba(0, 0, 0, 0.5),
                0px 8px 16px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.05);
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.command-runner-input-wrapper {
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .command-runner-input-wrapper {
    border-bottom: 1px solid var(--color-border);
}

.command-runner-input {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-large);
    font-family: var(--font-family-base);
    background-color: var(--color-background2);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.command-runner-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 16%, transparent);
}

[data-theme="dark"] .command-runner-input {
    background-color: var(--color-background);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .command-runner-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 24%, transparent);
}

.command-runner-input::placeholder {
    color: var(--color-text-secondary);
}

.command-runner-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.command-runner-item {
    display: flex;
    align-items: flex-start;
    padding: 12px 16px;
    margin: 4px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease;
    gap: 12px;
}

.command-runner-item:hover {
    background-color: var(--color-background2);
}

[data-theme="dark"] .command-runner-item:hover {
    background-color: var(--color-background2);
}

.command-runner-item.selected {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

[data-theme="dark"] .command-runner-item.selected {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.command-runner-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
    line-height: 1.2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.command-runner-icon svg {
    display: block;
}

.command-runner-item.selected .command-runner-icon svg path,
.command-runner-item.selected .command-runner-icon svg circle {
    fill: var(--color-on-primary);
    stroke: var(--color-on-primary);
}

.command-runner-item.selected .command-runner-icon svg path[fill="none"] {
    fill: none;
}

/* Tag icon: when selected, circle is white and # becomes primary color */
.command-runner-item.selected .command-runner-icon svg text {
    fill: var(--color-primary);
}

.command-runner-content {
    flex: 1;
    min-width: 0;
}

.command-runner-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
    line-height: 1.4;
    word-wrap: break-word;
}

.command-runner-item.selected .command-runner-title {
    color: var(--color-on-primary);
}

.command-runner-description {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    word-wrap: break-word;
}

.command-runner-item.selected .command-runner-description {
    color: var(--color-on-primary);
    opacity: 0.9;
}

.command-runner-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.command-runner-loading {
    padding: 32px 16px;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* Scrollbar for results */
.command-runner-results::-webkit-scrollbar {
    width: 8px;
}

.command-runner-results::-webkit-scrollbar-track {
    background: transparent;
}

.command-runner-results::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.command-runner-results::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Highlight for search matches */
.command-runner-highlight {
    background-color: color-mix(in srgb, var(--color-primary) 30%, var(--color-background));
    padding: 2px 0;
    border-radius: 2px;
    font-weight: 600;
}

[data-theme="dark"] .command-runner-highlight {
    background-color: color-mix(in srgb, var(--color-primary) 36%, var(--color-background));
}

.command-runner-item.selected .command-runner-highlight {
    background-color: color-mix(in srgb, var(--color-on-primary) 30%, var(--color-primary));
    color: var(--color-on-primary);
}

/* Small round person avatar — shared between the editor's @mention pills
   (rendered as a ::before there, see editor.css), the Tasks tab's "People"
   filter pills, and the Settings People list. Background is set inline per
   person (their uploaded icon as a background-image, or a hash-derived
   background-color showing their initial), via renderPersonAvatarHTML() in
   common.js. */
.person-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    color: #fff;
    font-size: 0.7em;
    font-weight: 600;
    line-height: 1;
    flex-shrink: 0;
}

/* @mentions — a person tag, rendered inline in both the editor (see
   parseInline() in editor.html) and the Tasks list (see
   renderTaskContentWithMentions() in menu.js). The avatar dot is a ::before
   pseudo-element, not a real DOM child, so in the editor the span's only
   actual text content is the literal "@Name" — this is what keeps plain-text
   round-trip serialization (extractPlainText/serializeInlineMarkup) working
   with no special-casing there. --mention-color/--mention-icon are set
   inline per-instance by whichever renderer produced the span. */
.mention {
    display: inline-block;
    vertical-align: middle;
    background-color: color-mix(in srgb, var(--color-primary) 14%, var(--color-background));
    color: var(--color-primary-dark);
    padding: 1px 6px 1px 3px;
    border-radius: 10px;
    font-size: 0.9em;
    white-space: nowrap;
}

[data-theme="dark"] .mention {
    background-color: color-mix(in srgb, var(--color-primary) 18%, var(--color-background));
    color: var(--color-primary);
}

.mention::before {
    content: attr(data-initial);
    display: inline-block;
    vertical-align: middle;
    width: 20px;
    height: 20px;
    margin-right: 4px;
    border-radius: 50%;
    background-color: var(--mention-color, #64748b);
    color: #fff;
    font-size: 0.7em;
    font-weight: 600;
    line-height: 20px;
    text-align: center;
}

.mention[data-has-icon="true"]::before {
    content: '';
    background-color: transparent;
    background-image: var(--mention-icon);
    background-size: cover;
    background-position: center;
}


/* ============================================
   Update notification banner (macOS auto-update)
   ============================================ */

.update-banner {
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    z-index: 9999;
}

.update-banner a {
    color: var(--color-on-primary);
    text-decoration: underline;
}

.update-banner button {
    background: none;
    border: none;
    color: var(--color-on-primary);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
    padding: 0 4px;
}

.update-banner button:hover {
    opacity: 0.8;
}