/**
* Retro TUI CSS — DOS/IDE Aesthetic Stylesheet
* Inspired by Turbo Pascal, Norton Commander, Mojovision editor
*
* HTML Preview Structure:
*
*
*
*
*
*
* main.pas
* utils.pas
*
*
*
* 123
*
*
* program Hello;
* var x: integer;
* // Hello world
*
*
*
* Ln 1, Col 1
* F1 Help F2 Save F3 Open
*
*
*
*
*
Delete this file?
*
*
*
> Compiling main.pas...
* > Success.
*/
/* ─── Google Fonts import ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');
/* ─── 1. COLOR PALETTE ─────────────────────────────────────────────────── */
/*
* Deep blue-black backgrounds, high-contrast text,
* amber/green accents echoing classic CRT phosphor palettes.
*/
:root {
/* Backgrounds */
--tui-bg: #0a0a1a; /* deepest navy — main canvas */
--tui-bg-window: #0d0d24; /* window surface */
--tui-bg-header: #0f0f2a; /* title / header bar */
--tui-bg-editor: #080818; /* code / content area */
--tui-bg-selection: #1a1a4a; /* selected text bg */
--tui-bg-hover: #14143c; /* row / item hover */
--tui-bg-active: #1e1e50; /* active/pressed state */
--tui-bg-gutter: #060614; /* line-number gutter */
--tui-bg-statusbar: #d4c87a; /* amber — status bar bg */
--tui-bg-menubar: #12122e; /* menu bar background */
/* Borders */
--tui-border: #c8c8e0; /* outer double-line (white-ish) */
--tui-border-inner: #7878a0; /* inner single-line */
--tui-border-dark: #44446a; /* inner shadow / 3-D effect */
--tui-border-focus: #ffffff; /* focus ring */
/* Text */
--tui-text: #f0f0f0; /* primary text (white) */
--tui-text-dim: #9090b0; /* secondary / dim text */
--tui-text-inverse: #0a0a1a; /* text on amber bg */
/* Syntax colours */
--tui-kw: #f0e030; /* keyword — golden yellow */
--tui-str: #f06030; /* string — retro orange-red */
--tui-fn: #30f070; /* function — bright green */
--tui-cmt: #60d0d0; /* comment — cyan */
--tui-const: #c0c0ff; /* constant — light periwinkle*/
/* Accents */
--tui-accent-amber: #e0b030; /* amber highlight / cursor */
--tui-accent-green: #20c020; /* green success / active tab */
--tui-accent-red: #e03020; /* error / warning */
/* Status bar (amber — classic DOS look) */
--tui-status-fg: #1a1a0a;
--tui-status-sep: #a09040;
/* ─── Typography ─────────────────────────────────────────────────────── */
--tui-font: 'JetBrains Mono', 'Courier New', Courier, monospace;
--tui-font-size: 14px;
--tui-line-height: 1.5;
}
/* ─── 2. BASE / RESET ───────────────────────────────────────────────────── */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
.tui-root {
font-family: var(--tui-font);
font-size: var(--tui-font-size);
line-height: var(--tui-line-height);
background: var(--tui-bg);
color: var(--tui-text);
min-height: 100vh;
padding: 24px;
}
/* ─── 3. DOUBLE-LINE BORDER SYSTEM ──────────────────────────────────────── */
/*
* Double-line borders are achieved with layered box-shadows:
* 1st shadow = outer white line
* 2nd shadow = inner dark line (creates the "gap" between two lines)
* 3rd shadow = inner decorative line (optional)
*
* The 3-D DOS panel effect uses inset/outset shadows.
*/
/* ─── 4. WINDOW ─────────────────────────────────────────────────────────── */
.tui-window {
position: relative;
background: var(--tui-bg-window);
/* Outer double-line border via stacked box-shadows */
box-shadow:
/* ── outer white border ── */
0 0 0 1px var(--tui-border),
/* ── dark gap (creates the double-line look) ── */
0 0 0 3px var(--tui-bg-window),
/* ── inner white border line ── */
0 0 0 4px var(--tui-border-inner),
/* ── inner shadow for depth ── */
0 0 0 5px var(--tui-border-dark),
/* ── soft outer glow (CRT feel) ── */
0 0 30px rgba(30, 60, 180, 0.25),
4px 4px 16px rgba(0, 0, 0, 0.6);
border-radius: 2px; /* barely perceptible — keeps it sharp */
overflow: hidden;
max-width: 100%;
}
/* ─── 5. HEADER / TITLE BAR ─────────────────────────────────────────────── */
.tui-header {
display: flex;
align-items: center;
background: var(--tui-bg-header);
border-bottom: 1px solid var(--tui-border-inner);
box-shadow: inset 0 -1px 0 var(--tui-border-dark);
padding: 4px 10px;
min-height: 32px;
user-select: none;
}
.tui-title {
font-weight: 700;
font-size: calc(var(--tui-font-size) * 0.9);
color: var(--tui-text);
letter-spacing: 0.03em;
/* Blinking cursor animation (CSS only) */
animation: tui-blink 1.1s step-end infinite;
}
@keyframes tui-blink {
0%, 100% { opacity: 1; }
50% { opacity: 0; }
}
/* ─── 6. MENUBAR ────────────────────────────────────────────────────────── */
.tui-menubar {
display: flex;
align-items: center;
background: var(--tui-bg-menubar);
border-bottom: 1px solid var(--tui-border-inner);
box-shadow: inset 0 -1px 0 var(--tui-border-dark);
padding: 0 6px;
min-height: 28px;
gap: 2px;
}
.tui-menu-item {
display: inline-flex;
align-items: center;
padding: 3px 10px;
font-size: var(--tui-font-size);
color: var(--tui-text);
cursor: pointer;
border-radius: 2px;
transition: background 80ms;
user-select: none;
position: relative;
}
.tui-menu-item::after {
/* Underline accent on hover/active */
content: '';
position: absolute;
bottom: 1px;
left: 10%;
right: 10%;
height: 1px;
background: var(--tui-accent-amber);
transform: scaleX(0);
transition: transform 80ms;
}
.tui-menu-item:hover,
.tui-menu-item:focus {
background: var(--tui-bg-hover);
color: var(--tui-accent-amber);
outline: none;
}
.tui-menu-item:hover::after,
.tui-menu-item:focus::after {
transform: scaleX(1);
}
/* ─── 7. TABS ───────────────────────────────────────────────────────────── */
.tui-tabs {
display: flex;
align-items: stretch;
background: var(--tui-bg-window);
border-bottom: 1px solid var(--tui-border-inner);
padding: 4px 6px 0;
gap: 2px;
overflow-x: auto;
}
.tui-tab {
display: inline-flex;
align-items: center;
padding: 4px 14px 5px;
font-size: calc(var(--tui-font-size) * 0.88);
color: var(--tui-text-dim);
background: var(--tui-bg-window);
border: 1px solid var(--tui-border-inner);
border-bottom: none;
border-radius: 3px 3px 0 0;
cursor: pointer;
white-space: nowrap;
transition: background 80ms, color 80ms;
user-select: none;
}
.tui-tab:hover {
background: var(--tui-bg-hover);
color: var(--tui-text);
}
.tui-tab.active {
background: var(--tui-bg-editor);
color: var(--tui-text);
border-color: var(--tui-border);
box-shadow:
inset 0 1px 0 var(--tui-border),
0 -1px 0 var(--tui-bg-editor); /* hides bottom border of tab */
/* Slight top highlight for "active" feel */
box-shadow:
inset 0 2px 0 var(--tui-accent-green),
inset 1px 0 0 var(--tui-border),
inset -1px 0 0 var(--tui-border),
0 -1px 0 var(--tui-bg-editor);
}
/* Close × on active tab */
.tui-tab.active::after {
content: '×';
margin-left: 8px;
color: var(--tui-text-dim);
font-size: 0.9em;
}
.tui-tab.active:hover::after {
color: var(--tui-accent-red);
}
/* ─── 8. EDITOR ─────────────────────────────────────────────────────────── */
.tui-editor {
display: flex;
background: var(--tui-bg-editor);
min-height: 300px;
max-height: 70vh;
overflow: auto;
}
/* Line-number gutter */
.tui-gutter {
display: flex;
flex-direction: column;
align-items: flex-end;
min-width: 48px;
padding: 8px 8px 8px 4px;
background: var(--tui-bg-gutter);
border-right: 1px solid var(--tui-border-inner);
box-shadow: inset -1px 0 0 var(--tui-border-dark);
color: var(--tui-text-dim);
font-size: calc(var(--tui-font-size) * 0.85);
line-height: var(--tui-line-height);
user-select: none;
flex-shrink: 0;
}
.tui-gutter span {
display: block;
line-height: var(--tui-line-height);
}
/* Main code / content area */
.tui-code {
flex: 1;
padding: 8px 12px;
font-family: var(--tui-font);
font-size: var(--tui-font-size);
line-height: var(--tui-line-height);
white-space: pre;
overflow-x: auto;
tab-size: 4;
}
/* ─── 9. STATUS BAR ──────────────────────────────────────────────────────── */
/*
* Classic DOS status bar — amber/gold background with dark text.
* Often shows cursor position, file info, and F-key shortcuts.
*/
.tui-statusbar {
display: flex;
align-items: center;
justify-content: space-between;
background: var(--tui-bg-statusbar);
color: var(--tui-status-fg);
border-top: 1px solid var(--tui-border);
box-shadow:
inset 0 1px 0 var(--tui-status-sep),
inset 0 -1px 0 rgba(0,0,0,0.25);
padding: 3px 10px;
font-size: calc(var(--tui-font-size) * 0.88);
min-height: 24px;
gap: 12px;
user-select: none;
}
.tui-status-left {
/* e.g. "Ln 14, Col 42 | UTF-8 | Pascal" */
flex-shrink: 0;
}
.tui-status-right {
/* e.g. "F1 Help F2 Save F3 Open" */
display: flex;
gap: 14px;
flex-wrap: wrap;
justify-content: flex-end;
}
.tui-statusbar span {
display: inline-flex;
align-items: center;
gap: 4px;
}
/* Highlighted key hint like "F1" */
.tui-statusbar strong {
font-weight: 700;
color: var(--tui-text-inverse);
background: rgba(0,0,0,0.15);
padding: 0 3px;
border-radius: 2px;
border: 1px solid rgba(0,0,0,0.2);
}
/* ─── 10. BUTTONS ───────────────────────────────────────────────────────── */
.tui-button {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 6px;
padding: 5px 16px;
font-family: var(--tui-font);
font-size: var(--tui-font-size);
font-weight: 700;
color: var(--tui-text);
background: var(--tui-bg-header);
border: none;
/* Double-border via outline + box-shadow */
outline: 2px solid var(--tui-border);
outline-offset: -2px;
box-shadow:
inset 0 0 0 1px var(--tui-border-inner),
inset 0 -1px 0 var(--tui-border-dark),
2px 2px 0 var(--tui-border-dark);
border-radius: 2px;
cursor: pointer;
user-select: none;
transition: background 80ms, transform 40ms;
}
.tui-button:hover {
background: var(--tui-bg-hover);
color: var(--tui-accent-amber);
}
.tui-button:active {
background: var(--tui-bg-active);
transform: translate(1px, 1px);
box-shadow:
inset 0 0 0 1px var(--tui-border-inner),
inset 0 1px 0 var(--tui-border-dark),
1px 1px 0 var(--tui-border-dark);
}
.tui-button:focus-visible {
outline: 2px solid var(--tui-border-focus);
outline-offset: 2px;
}
/* Primary / default button (amber accent) */
.tui-button.primary {
background: var(--tui-accent-amber);
color: var(--tui-text-inverse);
box-shadow:
inset 0 0 0 1px rgba(255,255,255,0.3),
inset 0 -1px 0 rgba(0,0,0,0.3),
2px 2px 0 var(--tui-border-dark);
}
.tui-button.primary:hover {
background: #c09020;
color: var(--tui-text-inverse);
}
/* ─── 11. DIALOG ────────────────────────────────────────────────────────── */
.tui-dialog {
position: fixed;
inset: 0;
display: flex;
align-items: center;
justify-content: center;
background: rgba(0, 0, 20, 0.75);
z-index: 1000;
backdrop-filter: blur(2px);
}
.tui-dialog-inner {
background: var(--tui-bg-window);
min-width: 320px;
max-width: 480px;
/* Layered shadow for CRT depth */
box-shadow:
0 0 0 1px var(--tui-border),
0 0 0 3px var(--tui-bg-window),
0 0 0 4px var(--tui-border-inner),
0 0 0 5px var(--tui-border-dark),
0 0 60px rgba(30, 60, 180, 0.35),
8px 8px 24px rgba(0, 0, 0, 0.7);
border-radius: 2px;
}
.tui-dialog-header {
padding: 8px 14px;
font-weight: 700;
font-size: calc(var(--tui-font-size) * 1.05);
color: var(--tui-accent-amber);
background: var(--tui-bg-header);
border-bottom: 1px solid var(--tui-border-inner);
box-shadow: inset 0 -1px 0 var(--tui-border-dark);
text-align: center;
}
.tui-dialog-body {
padding: 18px 20px;
font-size: var(--tui-font-size);
line-height: var(--tui-line-height);
color: var(--tui-text);
text-align: center;
}
.tui-dialog-footer {
display: flex;
justify-content: center;
gap: 12px;
padding: 12px 20px 16px;
border-top: 1px solid var(--tui-border-inner);
box-shadow: inset 0 1px 0 var(--tui-border-dark);
}
/* ─── 12. OUTPUT / TERMINAL ─────────────────────────────────────────────── */
.tui-output {
background: #000000;
color: #30e030;
font-family: var(--tui-font);
font-size: var(--tui-font-size);
line-height: var(--tui-line-height);
padding: 14px 18px;
border: 1px solid var(--tui-border-inner);
box-shadow:
inset 0 0 0 1px var(--tui-border-dark),
inset 2px 2px 0 rgba(0,0,0,0.5);
border-radius: 2px;
overflow-x: auto;
white-space: pre;
}
.tui-output .prompt {
color: var(--tui-text-dim);
}
.tui-output .info {
color: var(--tui-cmt);
}
.tui-output .error {
color: var(--tui-accent-red);
font-weight: 700;
}
.tui-output .success {
color: var(--tui-fn);
}
/* ─── 13. SCROLLBAR ─────────────────────────────────────────────────────── */
.tui-editor::-webkit-scrollbar,
.tui-output::-webkit-scrollbar {
width: 14px;
height: 14px;
}
/* Track */
.tui-editor::-webkit-scrollbar-track,
.tui-output::-webkit-scrollbar-track {
background: var(--tui-bg-gutter);
border-left: 1px solid var(--tui-border-inner);
box-shadow: inset 1px 0 0 var(--tui-border-dark);
}
/* Thumb */
.tui-editor::-webkit-scrollbar-thumb,
.tui-output::-webkit-scrollbar-thumb {
background: var(--tui-border-inner);
border: 2px solid var(--tui-bg-gutter);
box-shadow:
inset 0 0 0 1px var(--tui-border-dark),
inset 1px 1px 0 var(--tui-border);
border-radius: 0;
}
.tui-editor::-webkit-scrollbar-thumb:hover,
.tui-output::-webkit-scrollbar-thumb:hover {
background: var(--tui-border);
}
/* Corner */
.tui-editor::-webkit-scrollbar-corner,
.tui-output::-webkit-scrollbar-corner {
background: var(--tui-bg-gutter);
}
/* ─── 14. SYNTAX HIGHLIGHTING CLASSES ───────────────────────────────────── */
.kw { color: var(--tui-kw); font-weight: 700; } /* keyword — yellow */
.str { color: var(--tui-str); } /* string — orange-red */
.fn { color: var(--tui-fn); font-weight: 700; } /* function — green */
.cmt { color: var(--tui-cmt); font-style: italic; } /* comment — cyan */
.const{ color: var(--tui-const); } /* constant — periwinkle*/
/* ─── 15. UTILITY / MISC ────────────────────────────────────────────────── */
/* Inset panels (e.g. inside dialogs) */
.tui-inset {
background: var(--tui-bg-gutter);
border: 1px solid var(--tui-border-inner);
box-shadow: inset 1px 1px 0 var(--tui-border-dark);
padding: 8px 12px;
border-radius: 2px;
}
/* Separator line */
.tui-sep {
display: block;
width: 100%;
height: 1px;
background: var(--tui-border-inner);
box-shadow: 0 1px 0 var(--tui-border-dark);
margin: 6px 0;
}
/* Selection highlight */
::selection {
background: var(--tui-bg-selection);
color: var(--tui-text);
}
/* Cursor block (blinking block caret — CSS only) */
.tui-caret {
display: inline-block;
width: 0.6em;
height: 1.1em;
background: var(--tui-accent-amber);
animation: tui-blink 1.1s step-end infinite;
vertical-align: text-bottom;
}
/* ─── 16. RESPONSIVE ────────────────────────────────────────────────────── */
@media (max-width: 600px) {
:root {
--tui-font-size: 12px;
}
.tui-root {
padding: 10px;
}
.tui-statusbar {
flex-direction: column;
align-items: flex-start;
gap: 4px;
min-height: auto;
padding: 4px 8px;
}
.tui-status-right {
justify-content: flex-start;
gap: 8px;
}
/* On small screens the gutter numbers shrink */
.tui-gutter {
min-width: 36px;
padding-right: 4px;
font-size: 10px;
}
.tui-editor {
max-height: 50vh;
}
/* Make buttons stack in dialogs on mobile */
.tui-dialog-footer {
flex-direction: column;
align-items: stretch;
}
.tui-button {
width: 100%;
justify-content: center;
}
}
/* ─── 17. THEME VARIANT — "GREEN PHOSPHOR" (optional) ────────────────────── */
/*
* Switch to a green-on-black phosphor look by adding
* class="tui-phosphor" on the root element:
* ...
*/
.tui-phosphor {
--tui-bg: #000800;
--tui-bg-window: #001000;
--tui-bg-editor: #000800;
--tui-bg-gutter: #000600;
--tui-border: #30a030;
--tui-border-inner: #206020;
--tui-text: #30ff30;
--tui-text-dim: #208020;
--tui-kw: #40ff40;
--tui-str: #60ff60;
--tui-fn: #90ff90;
--tui-cmt: #40c040;
--tui-const: #50e050;
--tui-accent-amber: #30ff30;
--tui-bg-statusbar: #001800;
--tui-status-fg: #20ff20;
--tui-accent-green: #30ff30;
}
/* ─── 18. ANIMATIONS ─────────────────────────────────────────────────────── */
/* Scanline overlay — adds a subtle CRT texture (optional, per-element) */
.tui-scanlines::after {
content: '';
position: absolute;
inset: 0;
background: repeating-linear-gradient(
0deg,
transparent,
transparent 2px,
rgba(0, 0, 0, 0.07) 2px,
rgba(0, 0, 0, 0.07) 4px
);
pointer-events: none;
border-radius: inherit;
}
/* Slight flicker on the root (can be applied to specific windows) */
@keyframes tui-flicker {
0% { opacity: 1; }
92% { opacity: 1; }
93% { opacity: 0.94; }
94% { opacity: 1; }
97% { opacity: 0.97; }
100% { opacity: 1; }
}
.tui-flicker {
animation: tui-flicker 6s infinite;
}
/* Theme toggle bookmarklet:
javascript:(function(){var s=document.getElementById('retro-tui-stylesheet');s.disabled=!s.disabled})()
*/