base.css

/*

HANNAH'S BASE CSS

This is intended to be a collection of common styles and CSS design patterns I can easily use across projects.

Shoutouts/best CSS resources:
- CSS Tricks (RIP), particularly the guides to flexbox and grid [css-tricks.com]
- Stephanie Eckles [moderncss.dev]
- Smashing Magazine [smashingmagazine.com]
- Kevin Powell [kevinpowell.co]
- Lea Verou [lea.verou.me]
- Eric Meyer [meyerweb.com]
- Josh Comeau [joshwcomeau.com]

*/

/***********************************

ROOT STYLES

***********************************/

:root {
  --base0: #0e0e0e;
  --base1: #1a1a1a;
  --base2: #2b2b2b;
  --base3: #3c3c3c;
  --base4: #4d4d4d;
  --base5: #5e5e5e;
  --base6: #6f6f6f;
  --base7: #8a8a8a;
  --base8: #9b9b9b;
  --base9: #a1a1a1;
  --base10: #b2b2b2;
  --base11: #c3c3c3;
  --base12: #d4d4d4;
  --base13: #e5e5e5;

  --accent-h: 316;
  --accent-s: 29%;
  --accent-l: 64%;

  --accent: hsla(var(--accent-h), var(--accent-s), var(--accent-l));

  --input-border: var(--base7);
  --input-focus-h: var(--accent-h);
  --input-focus-s: 60%;
  --input-focus-l: 42%;

  --text: var(--base12);
  --text-highlight: var(--base13);
  --text-accent: var(--base10);
  --text-inactive: var(--base8);
  --disabled: var(--base8);

  --background: var(--base2);

  --modal-background: var(--base3);
  --modal-shadow: 0 0 10px 3px #0000009e;

  accent-color: var(--accent);
  --transparency: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill-opacity=".05"><rect width="50" height="50" /><rect x="50" y="50" width="50" height="50" /></svg>')
    0 0 / 20px 20px #f8f8f8;
}

/***********************************

RESETS

***********************************/

/* A better box-sizing model */
*,
*:before,
*:after {
  box-sizing: border-box;
}

* {
  margin: 0; /* Remove default margins */
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--background);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

input,
button,
textarea,
select {
  font: inherit; /* Remove built-in form fonts */
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/***********************************

SCROLLBAR

***********************************/

.scroller {
  /* firefox scrollbar */
  scrollbar-width: thin;
  scrollbar-color: #1a1919 transparent;
}

.scroller::-webkit-scrollbar {
  width: 10px;
}

.scroller::-webkit-scrollbar-track {
  background: transparent;
}

.scroller::-webkit-scrollbar-thumb {
  background-color: #000000c9;
  border-radius: 20px;
  border: 3px solid transparent;
}

/***********************************

FORM CONTROL

***********************************/

.form-control {
  font-weight: bold;
}

.form-control.toggle {
  display: grid;
  gap: 0.5em;
  grid-template-columns: 1em auto;
}

.form-control.range {
  display: flex;
  gap: 0.5em;
  flex-direction: column;
  margin-bottom: 0.5em;
}

.form-control--disabled {
  color: var(--accent);
  cursor: not-allowed;
}

/***********************************

CHECKBOX

***********************************/

input[type="checkbox"] {
  -webkit-appearance: none; /* Add if not using autoprefixer */
  appearance: none; /* Remove most all native input styles */
  background-color: var(--form-background); /* For iOS < 15 */
  margin: 0; /* Not removed via appearance */

  font: inherit;
  color: currentColor;
  width: 1.15em;
  height: 1.15em;
  border: 0.15em solid currentColor;
  border-radius: 0.15em;
  transform: translateY(-0.075em);

  display: grid;
  place-content: center;
}

input[type="checkbox"]::before {
  content: "";
  width: 0.65em;
  height: 0.65em;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  transform: scale(0);
  transition: 50ms transform ease-in-out;
  box-shadow: inset 1em 1em var(--accent);
}

input[type="checkbox"]:checked::before {
  transform: scale(1);
}

input[type="checkbox"]:focus {
  outline: max(2px, 0.15em) solid currentColor;
  outline-offset: max(2px, 0.15em);
}

input[type="checkbox"]:disabled {
  --accent: var(--disabled);

  color: var(--disabled);
  cursor: not-allowed;
}

/***********************************

RANGE

***********************************/

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  width: 15rem;
}

/***** Track Styles *****/

/***** Chrome, Safari, Opera, and Edge Chromium *****/
input[type="range"]::-webkit-slider-runnable-track {
  background: #464646;
  height: 0.5rem;
  border-radius: 4px;
}

/******** Firefox ********/
input[type="range"]::-moz-range-track {
  background: #464646;
  height: 0.5rem;
  border-radius: 4px;
}

/***** Thumb Styles *****/

/***** Chrome, Safari, Opera, and Edge Chromium *****/
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; /* Override default look */
  appearance: none;
  margin-top: -3px; /* Centers thumb on the track */
  background-color: #929292;
  height: 16px;
  width: 16px;
  border-radius: 4px;
}

/***** Firefox *****/
input[type="range"]::-moz-range-thumb {
  border: none; /*Removes extra border that FF applies*/
  border-radius: 0; /*Removes default border-radius that FF applies*/
  background-color: #929292;
  height: 1rem;
  width: 1rem;
}

/***** Focus Styles *****/
/* Removes default focus */

input[type="range"]:focus {
  outline: none;
}

/***** Chrome, Safari, Opera, and Edge Chromium *****/
input[type="range"]:focus::-webkit-slider-thumb {
  border: 1px solid #053a5f;
  outline: 3px solid #053a5f;
  outline-offset: 0.125rem;
}

/******** Firefox ********/
input[type="range"]:focus::-moz-range-thumb {
  border: 1px solid #053a5f;
  outline: 3px solid #053a5f;
  outline-offset: 0.125rem;
}

/***********************************

BUTTONS

***********************************/

/* Reset Link style */
a.btn {
  text-decoration: none;
}

/* Reset button style */
button.btn {
  border: none;
  background-color: transparent;
  font-family: inherit;
  padding: 0;
  cursor: inherit;
}

a.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  border-radius: 8px;
  color: var(--text-accent);

  text-align: center;
  align-self: start;

  padding: 0.5em;
}

a.btn:hover,
button.btn:hover {
  color: var(--text-highlight);
  background-color: hsla(
    var(--accent-h),
    var(--accent-s),
    var(--accent-l),
    0.3
  );
}

a.btn:focus,
button.btn:focus {
  outline-style: solid;
  outline-color: transparent;
  box-shadow: 0 0 0 2px
    hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0.8);
}

/* Image button */
button.btn.img {
  border-radius: 0;
  border: 1px solid black;
  padding: 0;
}

/* Icon + text button */
button.btn.icon-text {
  font-size: 1em;
  line-height: 1;

  gap: 0.5em;
}

button.btn.icon-text > i {
  width: 1em;
  height: 1em;
}

/* Icon button */
button.btn.icon {
  aspect-ratio: 1;
  padding: 0.3em;
  font-size: 1.5em;
}

/* Solid button */
button.btn.solid {
  background-color: #343434;
  box-shadow: 0 0 2px 0 black;
}

/***********************************

MODAL

***********************************/

.modal {
  min-width: 200px;

  position: absolute;
  margin: 100px;
  align-self: center;
  background-color: var(--modal-background);
  z-index: 100;
  padding: 0.5em 0.6em;
  border-radius: 10px;
  box-shadow: var(--modal-shadow);
}

.modal > h2 {
  font-size: 1.2em;
  margin-bottom: 0.5em;
}

.modal-content {
  display: flex;
  flex-direction: column;

  gap: 0.4em;
}

/***********************************

TEXT INPUT

***********************************/
.input {
  font-size: 16px;
  font-size: max(16px, 1em);
  font-family: inherit;
  padding: 0.25em 0.5em;
  background-color: var(--base3);
  border: 2px solid var(--input-border);
  border-radius: 7px;
  color: var(--text-inactive);
  transition: 100ms ease-in-out;
}

.input:not(textarea) {
  line-height: 1;
  height: 1.5rem;
}

.input:focus {
  border-color: hsl(
    var(--input-focus-h),
    var(--input-focus-s),
    var(--input-focus-l)
  );

  color: var(--text-highlight);

  box-shadow: 0 0 0 3px
    hsla(
      var(--input-focus-h),
      var(--input-focus-s),
      calc(var(--input-focus-l) + 40%),
      0.8
    );

  outline: 3px solid transparent;
}

/***********************************

NUMBER INPUT

***********************************/

.input[type="number"]::-webkit-inner-spin-button,
.input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input[type="number"] {
  text-align: center;
  font-family: monospace;
  -moz-appearance: textfield;
}