/*------------------------------------------------------------------------------
-- // RESETS
------------------------------------------------------------------------------*/

html { box-sizing: border-box; }

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

html, body, div, span,
header, nav, main, article, section, aside, footer,
h1, h2, h3, h4, h5, h6,
p, strong, em, b, i, u, a, ul, ol, li,
blockquote, pre, code, img, audio, video,
table, caption, thead, tbody, tfoot, tr, th, td,
form, input {
  margin: 0;
  padding: 0;
  background: transparent;
  font-size: 100%;
  font-weight: normal;
  vertical-align: baseline;
}

header, nav, main, article, section, aside, footer,
blockquote, pre, img, audio, video,
form {
  display: block;
}

/* -----------------------------------------------------------------------------
-- // BASE
----------------------------------------------------------------------------- */

:root {
  --width: 900px;
  --font-family: Verdana, Arial, sans-serif;
  --font-scale: 1em;
}

:root.light {
  --bg-100:rgb(250, 250, 250); 
  --bg-200: rgb(220, 220, 220); 
  --text-100: rgb(20, 20, 20);
  --text-200: rgb(100, 100, 100);
  --ui-100: rgb(180, 180, 180); 
  --ui-200: rgb(80, 80, 80); 
  --highlight-accent: rgb(30, 80, 200);
  --highlight-earned: rgb(40, 120, 20);
  --highlight-unearned: rgb(180, 20, 40);
}

:root.dark {
  --bg-100:rgb(15, 15, 15);
  --bg-200: rgb(20, 20, 20);
  --text-100: rgb(210, 210, 210);
  --text-200: rgb(100, 100, 100);
  --ui-100: rgb(32, 32, 32);
  --ui-200: rgb(96, 96, 96);
  --highlight-accent: rgb(50, 120, 230);
  --highlight-earned: rgb(75, 185, 70);
  --highlight-unearned: rgb(225, 70, 70);
}

:root.summer {
  --bg-100:rgb(241, 222, 188); 
  --bg-200: rgb(240, 225, 204);
  --text-100: #FD673A;
  --text-200: rgb(216, 143, 47);
  --ui-100: rgb(255, 186, 68);
  --ui-200: rgb(241, 112, 166); 
  --highlight-accent: rgb(13, 150, 186);
  --highlight-earned: rgb(0, 158, 84);
  --highlight-unearned: rgb(248, 84, 75);
}

:root.slate {
  --bg-100:rgb(20, 26, 38); 
  --bg-200: rgb(25, 31, 44); 
  --text-100: rgb(240, 240, 240);
  --text-200: rgb(115, 115, 133);
  --ui-100: rgb(35, 48, 75); 
  --ui-200: rgb(23, 102, 138); 
  --highlight-accent: rgb(216, 183, 39);
  --highlight-earned: rgb(6, 211, 143);
  --highlight-unearned: rgb(243, 66, 53);
}

:root.tokyo {
  --bg-100: #16161f;
  --bg-200: #1a1b26;
  --text-100: #c0caf5;
  --text-200: #737da0;
  --ui-100: #353d50;
  --ui-200: #b98331;
  --highlight-accent: #2ac3de;
  --highlight-earned: #95cc5a;
  --highlight-unearned: #f8627d;
}

:root.solarized {
  --bg-100:rgb(0, 43, 54);
  --bg-200: rgb(5, 48, 59);
  --text-100: rgb(147, 161, 161);
  --text-200: rgb(131, 148, 150);
  --ui-100: rgb(20, 83, 99);
  --ui-200: rgb(42, 161, 152);
  --highlight-accent: rgb(38, 139, 210);
  --highlight-earned: rgb(133, 153, 0);
  --highlight-unearned: rgb(220, 50, 47);
}

:root.forest {
  --bg-100:#081c15;
  --bg-200: #0b241b;
  --text-100: #cad2c5;
  --text-200: #2c5e3b;
  --ui-100: #113a29;
  --ui-200: #4a7a65;
  --highlight-accent: #e9d947;
  --highlight-earned: #4daf15;
  --highlight-unearned: rgb(207, 95, 20);
}

body {
  margin: 0 auto;
  padding: 0 16px;
  max-width: var(--width);
  background-color: var(--bg-100);
  font-family: var(--font-family);
  font-size: var(--font-scale);
  font-weight: normal;
  line-height: 1.5;
  color: var(--text-100);
}

/* -----------------------------------------------------------------------------
-- // BASIC ELEMENTS
----------------------------------------------------------------------------- */

.normal { color: var(--text-100); }
.blue { color: var(--highlight-accent); }
.green { color: var(--highlight-earned); }
.red { color: var(--highlight-unearned); }

h1 {
  font-size: 2em;
  font-weight: bold;
  line-height: 1;
}
h2 {
  margin-bottom: 1em;
  font-size: 1.5em;
  font-weight: bold;
  line-height: 1;
}

p {
  margin-bottom: 1em;
  text-align: left;
}
p:last-child { margin-bottom: 0; }

a,
a:visited {
  color: var(--text-100);
  text-decoration: underline; 
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  text-decoration-style: solid;
  text-decoration-color: var(--highlight-accent);
}
a:hover {
  color: var(--highlight-accent);
  text-decoration: underline; 
  text-decoration-style: solid;
  text-decoration-color: var(--highlight-accent);
}

ul {
  margin-left: 1em;
  padding-left: 1em;
}
li {
  list-style-type: square;
}

blockquote {
  margin: 1em 0;
  padding: 12px 16px;
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
  font-size: .875em;
}

/* -----------------------------------------------------------------------------
-- // FORM
----------------------------------------------------------------------------- */

input,
label {
  cursor: pointer;
}

input {
  padding-left: 4px;
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
  color: var(--highlight-accent);
}
input:focus {
  outline: none;
  border-color: var(--ui-200);
}

/* Remove up and down arrows */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

.calcMethod {
  margin: 1em 0;
}
.calcMethod span {
  margin-right: 1em;
}
input[type="radio"] {
  height: 1em;
  width: 1em;
  margin: 0 4px 0 8px;
}

button {
  margin-top: 4rem;
  padding: .75em 4em;
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
  color: var(--text-100); 
}
button:hover{
  border: 1px solid var(--ui-200);
  cursor: pointer;
}

/* -----------------------------------------------------------------------------
-- // TABLE
----------------------------------------------------------------------------- */

table {
  margin: 1em 0;
  width: 100%; 
  border-collapse: collapse;
  border: 0;
}
th {
  padding: 2px 0 2px 8px;
  font-weight: bold;
  text-align: left;
  vertical-align: middle;
}
td {
  padding: 2px 0 2px 8px;
  vertical-align: middle;
}

.with-border {
  padding: 2px 4px;
  border: 1px solid var(--ui-100);
}

/* -----------------------------------------------------------------------------
-- // LAYOUT
----------------------------------------------------------------------------- */

header {
  margin-top: 4rem;
}

main {
  margin: 4rem 0;
}

.flex-container {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: row;
  gap: 4rem 2rem;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
}
.flex-1 {
  order: 1;
  flex-grow: 1;
}
.flex-2{
  order: 2;
  flex-grow: 1
}
.flex-3 {
  order: 3;
  flex-grow: 2;
}
.flex-4 {
  order: 4;
  flex-grow: 2;
  text-align: center;
}

footer {
  margin-top: 4rem;
  margin-bottom: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ui-100);
  font-size: .75em;
  color: var(--text-200);
}

select {
  padding: 0 1em 0 0;
  margin: 0;
  border: none;
  background-color: transparent;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  cursor: inherit;
}

#theme-select {
  float: right;
  margin-right: 1em;
  padding: 4px 8px;
  border: 1px solid var(--ui-200);
  border-radius: .25em;
  background-color: var(--bg-200);
  color: var(--text-200);
  cursor: pointer;
}