gallo.css

/*
 * Gallo CSS
 * a classless CSS framework with character.
 * https://github.com/gallocss/gallo
 *
 * by @chetanraj — MIT License
 */

/* ── 1. TOKENS ─────────────────────────────────────────────── */

:root,
[data-theme="light"] {
  --g-bg: #faf9f7;
  --g-bg-alt: #f0ece4;
  --g-surface: #ffffff;
  --g-border: #ddd8ce;
  --g-text: #1a1a18;
  --g-text-muted: #6b6860;
  --g-accent: #e8931a;
  --g-accent-fg: #ffffff;
  --g-accent-h: #f0a830;
  --g-focus: rgba(232, 147, 26, 0.4);
  --g-danger: #c0392b;
  --g-success: #2e7d4f;

  --g-radius: 4px;
  --g-radius-lg: 8px;
  --g-font:
    system-ui, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, Helvetica, Arial,
    "Helvetica Neue", sans-serif;
  --g-mono: ui-monospace, "Cascadia Code", "Fira Mono", "Consolas", monospace;
  --g-sans: ui-sans-serif, system-ui, -apple-system, sans-serif;
  --g-leading: 1.75;
  --g-measure: 68ch;

  --g-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --g-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

  --g-form-gap: 0.75em;
}

[data-theme="dark"] {
  --g-bg: #181816;
  --g-bg-alt: #232320;
  --g-surface: #1e1e1b;
  --g-border: #333330;
  --g-text: #e8e4dc;
  --g-text-muted: #888680;
  --g-accent: #e8931a;
  --g-accent-fg: #0a0a08;
  --g-accent-h: #f0a830;
  --g-focus: rgba(232, 147, 26, 0.4);
  --g-danger: #e05a4a;
  --g-success: #5ab87a;

  --g-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --g-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

[data-theme="gallo"] {
  --g-bg: #1c1208;
  --g-bg-alt: #271a0c;
  --g-surface: #221508;
  --g-border: #4a3520;
  --g-text: #f2e6cc;
  --g-text-muted: #9a8060;
  --g-accent: #e8931a;
  --g-accent-fg: #1c1208;
  --g-accent-h: #f0a830;
  --g-focus: rgba(232, 147, 26, 0.4);
  --g-danger: #e03c2a;
  --g-success: #7ab87a;

  --g-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --g-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

/* ── 2. RESET ───────────────────────────────────────────────── */

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
}

/* ── 3. BODY ────────────────────────────────────────────────── */

body {
  background-color: var(--g-bg);
  color: var(--g-text);
  font-family: var(--g-font);
  font-size: clamp(1rem, 1vw + 0.75rem, 1.125rem);
  line-height: var(--g-leading);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

/* ── 4. CONTAINER ───────────────────────────────────────────── */

body {
  max-width: var(--g-measure);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

main,
.container {
  padding-block: 2.5rem;
}

/* ── 5. TYPOGRAPHY ──────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--g-font);
  font-weight: 700;
  line-height: 1.2;
  color: var(--g-text);
  margin-block-start: 2.25em;
  margin-block-end: 0.4em;
  overflow-wrap: break-word;
  word-break: break-word;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 2.75rem);
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.375rem;
}
h4 {
  font-size: 1.125rem;
}
h5 {
  font-size: 1rem;
  font-style: italic;
}
h6 {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--g-text-muted);
}

h1:first-child,
h2:first-child,
h3:first-child {
  margin-block-start: 0;
}

p {
  margin-block-end: 1.15em;
}

p:last-child {
  margin-block-end: 0;
}

a {
  color: var(--g-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

a:visited {
  color: var(--g-accent-h);
}

a:hover {
  color: var(--g-accent-h);
}

a:focus-visible {
  outline: 2px solid var(--g-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

strong,
b {
  font-weight: 700;
}

em,
i {
  font-style: italic;
}

small {
  font-size: 0.825em;
  color: var(--g-text-muted);
}

mark {
  background-color: color-mix(in srgb, var(--g-accent) 22%, transparent);
  color: var(--g-text);
  padding-inline: 0.2em;
  border-radius: 2px;
}

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

sub,
sup {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}
sub {
  bottom: -0.25em;
}

/* ── 6. CODE ────────────────────────────────────────────────── */

code,
kbd,
samp {
  font-family: var(--g-mono);
  font-size: 0.875em;
}

:not(pre) > code {
  background-color: var(--g-bg-alt);
  color: var(--g-text);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius);
  padding: 0.1em 0.4em;
}

kbd {
  background-color: var(--g-bg-alt);
  border: 1px solid var(--g-border);
  border-bottom-width: 2px;
  border-radius: var(--g-radius);
  padding: 0.1em 0.45em;
  font-size: 0.8em;
  box-shadow: var(--g-shadow-sm);
}

pre {
  background-color: var(--g-bg-alt);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin-block: 1.5rem;
  font-size: 0.875em;
  line-height: 1.6;
}

pre > code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

/* ── 7. BLOCKQUOTE ──────────────────────────────────────────── */

blockquote {
  border-inline-start: 3px solid var(--g-accent);
  margin-inline: 0;
  margin-block: 1.75rem;
  padding-inline: 1.25rem;
  padding-block: 0.25rem;
  color: var(--g-text-muted);
  font-style: italic;
}

blockquote > p:last-child {
  margin-block-end: 0;
}

blockquote cite {
  display: block;
  margin-block-start: 0.5em;
  font-style: normal;
  font-size: 0.85em;
  color: var(--g-text-muted);
}

blockquote cite::before {
  content: "— ";
}

/* ── 8. HR ──────────────────────────────────────────────────── */

hr {
  border: none;
  border-block-start: 1px solid var(--g-border);
  margin-block: 2.5rem;
}

/* ── 9. LISTS ───────────────────────────────────────────────── */

ul,
ol {
  padding-inline-start: 1.5em;
  margin-block-end: 1.15em;
}

li {
  margin-block-end: 0.3em;
}

li:last-child {
  margin-block-end: 0;
}

li::marker {
  color: var(--g-accent);
}

dl {
  margin-block-end: 1.15em;
}

dt {
  font-weight: 700;
  margin-block-start: 0.75em;
}

dd {
  padding-inline-start: 1.25em;
  color: var(--g-text-muted);
}

/* ── 10. FORMS ──────────────────────────────────────────────── */

label,
legend {
  display: block;
  margin-block-end: var(--g-form-gap);
  font-weight: 600;
}

label {
  font-size: 0.9em;
  font-family: var(--g-sans);
  color: var(--g-text);
}

input,
textarea,
select,
button {
  margin-block-end: var(--g-form-gap);
}

input,
textarea,
select {
  display: block;
  width: 100%;
  background-color: var(--g-surface);
  color: var(--g-text);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius);
  padding: 0.5rem 0.75rem;
  font-family: var(--g-font);
  font-size: 1rem;
  line-height: 1.5;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--g-accent);
  box-shadow: 0 0 0 3px var(--g-focus);
}

input::placeholder,
textarea::placeholder {
  color: var(--g-text-muted);
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-inline-end: 0.4em;
  vertical-align: middle;
  flex-shrink: 0;
  -webkit-appearance: auto;
  appearance: auto;
  accent-color: var(--g-accent);
}

input[disabled],
textarea[disabled],
select[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

textarea {
  resize: vertical;
  min-height: 7rem;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-inline-end: 2.25rem;
  cursor: pointer;
}

fieldset {
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  padding: 1.25rem 1.5rem;
  margin-block-end: 1.25rem;
}

legend {
  font-weight: 600;
  font-family: var(--g-sans);
  font-size: 0.875em;
  padding-inline: 0.4em;
  color: var(--g-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field {
  margin-block-end: 1.1rem;
}

/* ── 11. BUTTON ─────────────────────────────────────────────── */

button,
input[type="submit"],
input[type="button"],
input[type="reset"],
input[type="file"]::file-selector-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  background-color: var(--g-accent);
  color: var(--g-accent-fg);
  border: 1px solid var(--g-accent);
  border-radius: var(--g-radius);
  padding: 0.5rem 1.1rem;
  font-family: var(--g-sans);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  white-space: nowrap;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
input[type="file"]::file-selector-button:hover {
  background-color: var(--g-accent-h);
  border-color: var(--g-accent-h);
}

button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  box-shadow: 0 0 0 3px var(--g-focus);
}

button[disabled],
input[type="submit"][disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

button + button,
button + input[type="submit"],
input[type="submit"] + button {
  margin-inline-start: 0.5em;
}
button.secondary {
  background-color: transparent;
  color: var(--g-accent);
  border-color: var(--g-border);
}

button.secondary:hover {
  background-color: var(--g-bg-alt);
  border-color: var(--g-accent);
}

/* Danger button */
button.danger {
  background-color: var(--g-danger);
  border-color: var(--g-danger);
  color: #fff;
}

/* ── 12. TABLE ──────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
  margin-block: 1.75rem;
}

th {
  text-align: left;
  font-family: var(--g-sans);
  font-weight: 600;
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--g-text-muted);
  border-bottom: 2px solid var(--g-border);
  padding: 0.6rem 0.85rem;
}

td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--g-border);
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:nth-child(even) td {
  background-color: var(--g-bg-alt);
}

/* ── 13. MEDIA ──────────────────────────────────────────────── */

img,
video,
svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin-block-end: 1.5rem;
}

figure {
  margin-inline: 0;
  margin-block: 1.75rem;
}

figcaption {
  font-size: 0.85em;
  color: var(--g-text-muted);
  font-style: italic;
  margin-block-start: 0.5rem;
  text-align: center;
}

/* ── 14. DETAILS / SUMMARY ──────────────────────────────────── */

details {
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  padding: 0;
  margin-block: 1rem;
  overflow: hidden;
}

summary {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-family: var(--g-sans);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6em;
  color: var(--g-text);
  background-color: var(--g-bg-alt);
  transition: background-color 0.15s ease;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "▶";
  font-size: 0.65em;
  color: var(--g-accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

details[open] > summary::before {
  transform: rotate(90deg);
}

details[open] > summary {
  border-bottom: 1px solid var(--g-border);
}

details > *:not(summary) {
  padding: 1rem;
}

/* ── 15. PROGRESS ───────────────────────────────────────────── */

progress {
  display: block;
  width: 100%;
  height: 0.5rem;
  border: none;
  border-radius: 999px;
  overflow: hidden;
  background-color: var(--g-bg-alt);
  margin-block: 0.5rem;
}

progress::-webkit-progress-bar {
  background-color: var(--g-bg-alt);
}

progress::-webkit-progress-value {
  background-color: var(--g-accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}

progress::-moz-progress-bar {
  background-color: var(--g-accent);
  border-radius: 999px;
}

/* ── 16. DIALOG ─────────────────────────────────────────────── */

dialog {
  background-color: var(--g-surface);
  color: var(--g-text);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  padding: 2rem;
  box-shadow: var(--g-shadow);
  max-width: 90vw;
  width: 34rem;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

/* ── 17. MISC HELPERS ───────────────────────────────────────── */

.muted {
  color: var(--g-text-muted);
}

header {
  border-bottom: 1px solid var(--g-border);
  padding-block: 1rem;
}

header > nav,
nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--g-sans);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--g-text-muted);
  font-weight: 500;
  transition: color 0.15s;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--g-accent);
}

nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--g-text);
  margin-inline-end: auto;
}

footer {
  border-top: 1px solid var(--g-border);
  padding-block: 1.5rem;
  font-size: 0.875em;
  color: var(--g-text-muted);
  font-family: var(--g-sans);
}