/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
  border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input {
  /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select {
  /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
  display: none;
}
/*!
 * FeatherCSS v1.1.5
 * https://github.com/elishaterada/feathercss
 *
 * Copyright (c) 2020 Elisha Terada
 * Licensed under the MIT license
 */
/*!
 * Variables
 */
:root {
  --font-family: -apple-system, system-ui, "Segoe UI", Roboto, "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  --transition-speed: 0.15s;
  --disabled-opacity: 0.75;
  --color-primary: hsl(190, 97%, 30%);
  --color-primary-focus: hsl(190, 97%, 38%);
  --color-highlight: hsl(190, 97%, 85%);
  --color-success: hsl(130, 66%, 32%);
  --color-error: hsl(0, 66%, 47%);
  --color-link: hsl(210, 66%, 47%);
  --color-link-focus: hsl(210, 66%, 52%);
  --color-background: hsl(0, 0%, 100%);
  --color-gray-0: hsl(0, 0%, 0%);
  --color-gray-1: hsl(0, 0%, 15%);
  --color-gray-2: hsl(0, 0%, 30%);
  --color-gray-3: hsl(0, 0%, 45%);
  --color-gray-4: hsl(0, 0%, 75%);
  --color-gray-5: hsl(0, 0%, 92%);
  --color-gray-6: hsl(0, 0%, 96%);
  --color-gray-7: hsl(0, 0%, 99%);
  --color-gray-8: hsl(0, 0%, 100%);
  --color-border: hsl(0, 0%, 70%);
  --roundness-1: 0.188rem;
  --roundness-2: 0.313rem;
  --roundness-3: 0.438rem;
  --base-line-height: 1.6;
  --base-font-size: 0.875rem;
}
/*!
 * Dark Theme
 * Set data-theme="dark" on body or any parent elements to make child elements to inherit the dark theme
 */
[data-theme="dark"] {
  color-scheme: dark;
  --color-primary: hsl(190, 97%, 38%);
  --color-primary-focus: hsl(190, 97%, 30%);
  --color-highlight: hsl(190, 97%, 25%);
  --color-success: hsl(130, 66%, 52%);
  --color-error: hsl(0, 66%, 52%);
  --color-link: hsl(210, 66%, 52%);
  --color-link-focus: hsl(210, 66%, 47%);
  --color-background: hsl(0, 0%, 10%);
  --color-gray-0: hsl(0, 0%, 100%);
  --color-gray-1: hsl(0, 0%, 85%);
  --color-gray-2: hsl(0, 0%, 70%);
  --color-gray-3: hsl(0, 0%, 55%);
  --color-gray-4: hsl(0, 0%, 45%);
  --color-gray-5: hsl(0, 0%, 25%);
  --color-gray-6: hsl(0, 0%, 15%);
  --color-gray-7: hsl(0, 0%, 12%);
  --color-gray-8: hsl(0, 0%, 10%);
  --color-border: hsl(0, 0%, 25%);
}
/*!
 * Global
 */
*,
::after,
::before {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-scrollbar-width: thin;
  -moz-scrollbar-width: thin;
  -ms-scrollbar-width: thin;
  scrollbar-width: thin;
  -webkit-scrollbar-color: var(--color-primary) var(--color-gray-8);
  -moz-scrollbar-color: var(--color-primary) var(--color-gray-8);
  -ms-scrollbar-color: var(--color-primary) var(--color-gray-8);
  scrollbar-color: var(--color-primary) var(--color-gray-8);
}
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--color-background);
  font-family: var(--font-family);
  color: var(--color-gray-1);
}
::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar-track {
  background: var(--color-gray-8);
}
::-webkit-scrollbar-thumb {
  background-color: var(--color-primary);
  border-radius: 6px;
  border: 3px solid var(--color-gray-8);
}
::-moz-selection {
  background: var(--color-primary);
  color: #fff;
}
::selection {
  background: var(--color-primary);
  color: #fff;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: var(--color-link);
}
a:focus,
a:hover {
  text-decoration: underline;
  color: var(--color-link-focus);
}
pre {
  white-space: pre-wrap;
  word-wrap: break-word;
}
hr {
  border-top: 0;
  border-bottom: 0.125rem solid var(--color-border);
}
/*!
 * Typography
 */
.heading-1 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-gray-0);
}
.heading-2 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--color-gray-0);
}
.heading-3 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-gray-1);
}
.heading-4 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 1.313rem;
  font-weight: 400;
  color: var(--color-gray-1);
}
.heading-5 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-gray-2);
}
.heading-6 {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gray-2);
}
p {
  margin: 0 0 1rem;
  line-height: var(--base-line-height);
  color: var(--color-gray-2);
}
mark {
  color: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 70%,
    var(--color-highlight) 70%
  );
}
code {
  font-size: 1rem;
}
/*!
 * Block Quote
 */
blockquote {
  margin: 1rem 0;
  padding: 0.75rem 0 0.75rem 1rem;
  border-left: 0.25rem solid var(--color-primary);
  font-size: 1.313rem;
  color: var(--color-gray-2);
}
[dir="rtl"] blockquote {
  border-left: 0;
  padding: 0.75rem 1rem 0.75rem 0;
  border-right: 0.25rem solid var(--color-primary);
}
/*!
 * Default button
 */
.button {
  display: inline-block;
  outline: 0;
  cursor: pointer;
  box-shadow: none;
  background: var(--color-gray-8);
  margin: 0;
  padding: 0.75rem 2rem;
  border: 0.063rem solid var(--color-border);
  border-radius: var(--roundness-1);
  font-size: var(--base-font-size);
  color: var(--color-gray-1);
  text-align: center;
  transition: background-color var(--transition-speed) ease;
}
.button:active,
.button:focus,
.button:hover {
  background: var(--color-gray-6);
  text-decoration: none;
  color: var(--color-gray-1);
}
.button:disabled {
  opacity: var(--disabled-opacity);
}
/*!
 * Primary button
 */
.primary-button {
  display: inline-block;
  outline: 0;
  cursor: pointer;
  box-shadow: none;
  background: var(--color-primary);
  margin: 0;
  padding: 0.75rem 2rem;
  border: 0.063rem solid var(--color-primary);
  border-radius: var(--roundness-1);
  font-size: var(--base-font-size);
  color: #fff;
  text-align: center;
  transition: background-color var(--transition-speed) ease,
    border-color var(--transition-speed) ease;
}
.primary-button:active,
.primary-button:focus,
.primary-button:hover {
  background: var(--color-primary-focus);
  border-color: var(--color-primary-focus);
  text-decoration: none;
  color: #fff;
}
.primary-button:disabled {
  opacity: var(--disabled-opacity);
}
/*!
 * Clear button
 */
.clear-button {
  display: inline-block;
  outline: 0;
  cursor: pointer;
  box-shadow: none;
  background: 0 0;
  margin: 0;
  padding: 0.75rem 2rem;
  border: 0;
  border-radius: var(--roundness-1);
  font-size: var(--base-font-size);
  color: var(--color-gray-1);
  text-align: center;
  transition: background-color var(--transition-speed) ease;
}
.clear-button:active,
.clear-button:focus,
.clear-button:hover {
  background: var(--color-gray-6);
  text-decoration: none;
  color: var(--color-gray-1);
}
.clear-button:disabled {
  opacity: var(--disabled-opacity);
}
/*!
 * Unordered List
 */
ul {
  margin: 1rem 0;
  padding: 0 0 0 2rem;
  list-style: disc;
}
[dir="rtl"] ul {
  padding: 0 2rem 0 0;
}
ul.reset {
  display: inline-block;
  margin: 0;
  padding: 0;
  list-style: none;
}
ul.reset li {
  display: inline-block;
}
/*!
 * Ordered List
 */
ol {
  margin: 1rem 0;
  padding: 0 0 0 2rem;
  list-style: numeric;
}
[dir="rtl"] ol {
  padding: 0 2rem 0 0;
}
ul.reset {
  display: inline-block;
  margin: 0;
  padding: 0;
  list-style: none;
}
ul.reset li {
  display: inline-block;
}
/*!
 * List Item
 */
li {
  margin: 0;
  padding: 0;
  line-height: var(--base-line-height);
  font-size: var(--base-font-size);
  color: var(--color-gray-1);
}
/*!
 * Description List
 */
dl {
  margin: 1rem 0;
  padding: 0;
  list-style: numeric;
}
dl:after {
  content: "";
  display: table;
  clear: both;
}
dt {
  padding: 0 1rem 0 0;
  line-height: var(--base-line-height);
  font-size: var(--base-font-size);
  color: var(--color-gray-1);
}
[dir="rtl"] dt {
  padding: 0 0 0 1rem;
}
@media (min-width: 23.5rem) {
  dt {
    margin: 0 0 0.25rem;
    clear: left;
    float: left;
    width: 25%;
  }
  [dir="rtl"] dt {
    clear: right;
    float: right;
  }
}
dd {
  margin: 0 0 0.5rem;
  padding: 0;
  line-height: var(--base-line-height);
  font-size: var(--base-font-size);
  font-weight: 600;
  color: var(--color-gray-1);
}
@media (min-width: 23.5em) {
  dd {
    margin: 0 0 0.25rem;
    float: left;
  }
  [dir="rtl"] dd {
    float: right;
  }
}
/*!
 * Table
 */
table {
  width: 100%;
  border-collapse: collapse;
  color: var(--color-gray-1);
}
th {
  padding: 0.5rem;
  text-align: start;
  font-size: var(--base-font-size);
  line-height: var(--base-line-height);
  font-weight: 600;
}
th:first-of-type {
  padding: 1rem 1rem 1rem 0;
}
th:last-of-type {
  padding: 1rem 0 1rem 1rem;
}
tr {
  border-bottom: 0.063rem solid var(--color-border);
}
td {
  padding: 1rem;
  font-size: var(--base-font-size);
  line-height: var(--base-line-height);
}
td:last-of-type {
  padding: 1rem 0 1rem 1rem;
}
td:first-of-type {
  padding: 1rem 1rem 1rem 0;
}
/*!
 * Form: Checkbox
 */
input[type="checkbox"] {
  opacity: 0;
  width: 1rem;
  height: 1rem;
  margin: 0 0.25rem 0 0.0875rem;
}
input[type="checkbox"] ~ span {
  font-size: 1rem;
  color: var(--color-gray-2);
}
input[type="checkbox"] ~ span:before {
  box-sizing: border-box;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: var(--roundness-2);
  border: 0.063rem solid var(--color-border);
  background: var(--color-gray-8);
  transition: border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease;
}
[dir="rtl"] input[type="checkbox"] ~ span:before {
  right: 0;
}
input[type="checkbox"] ~ span:after {
  box-sizing: border-box;
  opacity: 0;
  position: absolute;
  top: 0.063rem;
  left: 0.2155rem;
  content: "\2713";
  font-size: 0.75rem;
  color: #fff;
}
[dir="rtl"] input[type="checkbox"] ~ span:after {
  left: initial;
  right: 0.2155rem;
}
input[type="checkbox"]:focus ~ span:before {
  border-color: var(--color-primary);
}
input[type="checkbox"]:checked ~ span:before {
  border-color: var(--color-primary);
  background: var(--color-primary);
}
input[type="checkbox"]:focus:checked ~ span:before {
  background: var(--color-primary-focus);
  border-color: var(--color-primary-focus);
}
input[type="checkbox"]:checked ~ span:after {
  opacity: 1;
}
/*!
 * Form: Common
 */
label {
  position: relative;
  display: block;
  margin: 0 0 0.5rem;
}
.label-text {
  display: block;
  margin: 0 0 0.5rem;
  font-size: var(--base-font-size);
  font-weight: 600;
  color: var(--color-gray-2);
}
.form-success-message {
  display: block;
  margin: 0.125rem 0 0;
  font-size: var(--base-font-size);
  color: var(--color-success);
}
.form-error-message {
  display: block;
  margin: 0.125rem 0 0;
  font-size: var(--base-font-size);
  color: var(--color-error);
}
fieldset {
  border: 0;
  padding: 0;
  -webkit-margin-start: 0;
  margin-inline-start: 0;
  -webkit-margin-end: 0;
  margin-inline-end: 0;
}
legend {
  margin: 0 0 0.5rem;
  padding: 0;
  font-size: var(--base-font-size);
  font-weight: 600;
  color: var(--color-gray-2);
}
/*!
 * Form: Text Input
 */
input[type="date"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="text"],
input[type="time"],
input[type="url"] {
  outline: 0;
  display: block;
  box-shadow: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--roundness-1);
  background: var(--color-gray-8);
  border: 0.063rem solid var(--color-border);
  font-size: 1rem;
  color: var(--color-gray-2);
  transition: border-color var(--color-primary) ease;
}
input[type="date"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="text"]:focus,
input[type="time"]:focus,
input[type="url"]:focus {
  border-color: var(--color-primary);
}
/*!
 * Form: Radio
 */
input[type="radio"] {
  opacity: 0;
  width: 1rem;
  height: 1rem;
  margin: 0 0.25rem 0 0.0875rem;
}
input[type="radio"] ~ span {
  font-size: 1rem;
  color: var(--color-gray-2);
}
input[type="radio"] ~ span:before {
  box-sizing: border-box;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  border: 0.063rem solid var(--color-border);
  background: var(--color-gray-8);
  transition: border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease;
}
[dir="rtl"] input[type="radio"] ~ span:before {
  right: 0;
}
input[type="radio"] ~ span:after {
  content: "";
  box-sizing: border-box;
  opacity: 0;
  position: absolute;
  top: 0.375rem;
  left: 0.375rem;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: #fff;
}
[dir="rtl"] input[type="radio"] ~ span:after {
  left: initial;
  right: 0.375rem;
}
input[type="radio"]:focus ~ span:before {
  border-color: var(--color-primary);
}
input[type="radio"]:checked ~ span:before {
  border-color: var(--color-primary);
  background: var(--color-primary);
}
input[type="radio"]:focus:checked ~ span:before {
  background: var(--color-primary-focus);
  border-color: var(--color-primary-focus);
}
input[type="radio"]:checked ~ span:after {
  opacity: 1;
}
/*!
 * Form: Select
 */
.select {
  display: inline-block;
  position: relative;
}
.select:after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(-100%, -50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0.375rem 0.375rem 0 0.375rem;
  border-color: var(--color-border) transparent transparent transparent;
}
[dir="rtl"] .select:after {
  right: initial;
  left: 0;
  transform: translate(100%, -50%);
}
select {
  width: 100%;
  -webkit-appearance: none;
  outline: 0;
  display: block;
  box-shadow: none;
  border: 0.063rem solid var(--color-border);
  padding: 0.5rem 1.75rem 0.5rem 0.75rem;
  border-radius: var(--roundness-1);
  background-color: var(--color-gray-8);
  font-size: 1rem;
  color: var(--color-gray-2);
  transition: border-color var(--color-primary) ease;
}
[dir="rtl"] select {
  padding: 0.5rem 0.75rem 0.5rem 1.75rem;
}
select:active,
select:focus {
  border-color: var(--color-primary);
}
/*!
 * Form: Textarea
 */
textarea {
  outline: 0;
  display: block;
  box-shadow: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--roundness-1);
  background: var(--color-gray-8);
  border: 0.063rem solid var(--color-border);
  font-size: 1rem;
  font-family: var(--font-family);
  color: var(--color-gray-2);
  transition: border-color var(--color-primary) ease;
}
textarea:active,
textarea:focus {
  border-color: var(--color-primary);
}
:root {
  --alert-info-bg: rgba(56, 113, 193, 0.12);
  --alert-info-border: rgba(56, 113, 193, 0.4);
  --alert-info-color: #d0e6ff;
  --alert-success-bg: rgba(54, 179, 126, 0.12);
  --alert-success-border: rgba(54, 179, 126, 0.4);
  --alert-success-color: #d2ffe8;
  --alert-warning-bg: rgba(255, 193, 7, 0.14);
  --alert-warning-border: rgba(255, 193, 7, 0.45);
  --alert-warning-color: #fff4ce;
  --alert-danger-bg: rgba(255, 94, 94, 0.12);
  --alert-danger-border: rgba(255, 94, 94, 0.4);
  --alert-danger-color: #ffd4d4;
}

.alert {
  width: 100%;
  box-sizing: border-box;
  border-radius: var(--roundness-2);
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--alert-info-border);
  background: var(--alert-info-bg);
  color: var(--alert-info-color);
  font-size: 0.9rem;
  line-height: 1.4;
}

.alert + .alert {
  margin-top: 0;
}

.alert--success {
  border-color: var(--alert-success-border);
  background: var(--alert-success-bg);
  color: var(--alert-success-color);
}

.alert--warning {
  border-color: var(--alert-warning-border);
  background: var(--alert-warning-bg);
  color: var(--alert-warning-color);
}

.alert--danger {
  border-color: var(--alert-danger-border);
  background: var(--alert-danger-bg);
  color: var(--alert-danger-color);
}

/* ==========================================================================
   isdezebriefbelangrijk.nl: app-specifieke additions
   Alleen net-nieuwe tokens + component/layout-styles.
   Base-elementen (body, h1-h6, p, a, etc.) komen van feather.css + normalize.
   Voor koppen in content: gebruik class .heading-1 t/m .heading-6.
   ========================================================================== */

/* ---- Urgency-tokens (additief aan feather's :root) ---- */
:root {
  --urgency-direct: hsl(0, 72%, 44%);
  --urgency-direct-soft: hsl(0, 72%, 96%);
  --urgency-direct-border: hsl(0, 72%, 80%);

  --urgency-belangrijk: hsl(32, 92%, 42%);
  --urgency-belangrijk-soft: hsl(32, 92%, 96%);
  --urgency-belangrijk-border: hsl(32, 92%, 80%);

  --urgency-informatief: hsl(138, 55%, 34%);
  --urgency-informatief-soft: hsl(138, 55%, 96%);
  --urgency-informatief-border: hsl(138, 55%, 80%);

  --urgency-onbekend: hsl(0, 0%, 45%);
  --urgency-onbekend-soft: hsl(0, 0%, 96%);
  --urgency-onbekend-border: hsl(0, 0%, 82%);

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  --content-max: 56rem;
  --readable-max: 44rem;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);

  --header-h: 3.5rem;
}

[data-theme="dark"] {
  --urgency-direct-soft: hsl(0, 40%, 18%);
  --urgency-direct-border: hsl(0, 40%, 32%);
  --urgency-belangrijk-soft: hsl(32, 40%, 18%);
  --urgency-belangrijk-border: hsl(32, 40%, 32%);
  --urgency-informatief-soft: hsl(138, 30%, 16%);
  --urgency-informatief-border: hsl(138, 30%, 30%);
  --urgency-onbekend-soft: hsl(0, 0%, 16%);
  --urgency-onbekend-border: hsl(0, 0%, 28%);
}

/* ---- Accessibility + layout helpers ---- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-gray-2);
  max-width: var(--readable-max);
}

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  z-index: 999;
  border-radius: var(--roundness-1);
}
.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* ---- Site header ---- */
.site-header {
  border-bottom: 1px solid var(--color-gray-5);
  background: var(--color-gray-8);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-h);
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}
.brand a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gray-0);
  text-decoration: none;
}
.brand-logo { display: block; width: 32px; height: 32px; }
.brand-name { font-weight: 600; font-size: 1rem; color: var(--color-gray-0); }

.site-header nav {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.site-header nav a {
  color: var(--color-gray-2);
  font-size: 0.95rem;
}
.site-header nav a:hover,
.site-header nav a:focus { color: var(--color-primary); }

/* ---- Hero ---- */
.hero {
  padding: var(--space-2xl) 0 var(--space-lg);
  background: linear-gradient(180deg, var(--color-gray-7) 0%, var(--color-gray-8) 100%);
}
.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 500;
  margin: 0 0 var(--space-md);
  max-width: var(--readable-max);
  color: var(--color-gray-0);
}
.hero .lead { font-size: 1.25rem; }

/* ---- Sections: How, Senders, FAQ ---- */
.checker { padding: var(--space-lg) 0 var(--space-2xl); }
.how, .senders, .faq { padding: var(--space-2xl) 0; border-top: 1px solid var(--color-gray-5); }
.how h2, .senders h2, .faq h2 {
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0 0 var(--space-md);
  color: var(--color-gray-0);
}

.how .steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-lg);
  counter-reset: step;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.how .steps li {
  counter-increment: step;
  padding: var(--space-md);
  padding-left: var(--space-xl);
  position: relative;
  background: var(--color-gray-7);
  border-radius: var(--roundness-2);
  font-size: 1rem;
}
.how .steps li::before {
  content: counter(step);
  position: absolute;
  left: var(--space-md);
  top: var(--space-md);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
}
.how .steps strong { display: block; font-size: 1.1rem; color: var(--color-gray-0); margin-bottom: var(--space-xs); }
.how .steps p { margin: 0; }

.sender-grid {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--space-sm);
}
.sender-grid li {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-gray-7);
  border-radius: var(--roundness-2);
  border: 1px solid var(--color-gray-5);
  font-size: 0.95rem;
}
.senders .hint { color: var(--color-gray-3); font-size: 0.95rem; margin-top: var(--space-md); }

.faq details {
  border: 1px solid var(--color-gray-5);
  border-radius: var(--roundness-2);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  background: var(--color-gray-8);
}
.faq summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--color-gray-0);
  list-style: none;
  font-size: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--color-primary); font-weight: 600; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: var(--space-sm); }

/* ---- Upload zone ---- */
.upload-zone {
  position: relative;
  border: 2px dashed var(--color-gray-4);
  border-radius: var(--roundness-3);
  background: var(--color-gray-7);
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  transition: border-color var(--transition-speed) ease, background-color var(--transition-speed) ease;
  cursor: pointer;
}
.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-highlight);
}
.upload-zone input[type="file"] {
  position: absolute;
  left: -9999px;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  margin: 0;
}
.upload-icon { width: 48px; height: 48px; color: var(--color-primary); }
.upload-title { font-size: 1.25rem; font-weight: 500; color: var(--color-gray-0); }
.upload-hint { color: var(--color-gray-3); font-size: 0.95rem; }

/* ---- Tekst-input als alternatief voor foto ---- */
.input-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--color-gray-3);
  font-size: 0.95rem;
}
.input-divider::before,
.input-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-5);
}
.text-zone {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.text-zone-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-gray-0);
}
.text-input {
  width: 100%;
  min-height: 9rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-gray-4);
  border-radius: var(--roundness-2);
  background: var(--color-gray-7);
  color: var(--color-gray-0);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  resize: vertical;
}
.text-input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
  background: var(--color-gray-8);
}
.text-hint {
  color: var(--color-gray-3);
  font-size: 0.9rem;
  margin: 0;
}
.text-submit {
  align-self: flex-start;
}

/* ---- Progress panel ---- */
.progress-panel {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  max-width: var(--readable-max);
  margin: 0 auto;
}
.progress-panel p { font-size: 1.125rem; color: var(--color-gray-2); margin-bottom: var(--space-md); }
.progress-panel progress {
  width: 100%;
  max-width: 420px;
  height: 0.75rem;
  border: none;
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-gray-5);
}
.progress-panel progress::-webkit-progress-bar { background: var(--color-gray-5); border-radius: 999px; }
.progress-panel progress::-webkit-progress-value { background: var(--color-primary); border-radius: 999px; transition: width var(--transition-speed) ease; }
.progress-panel progress::-moz-progress-bar { background: var(--color-primary); border-radius: 999px; }

/* ---- Result card ---- */
.result-panel { margin-top: var(--space-lg); }
.result-card {
  background: var(--color-gray-8);
  border-radius: var(--roundness-3);
  border: 1px solid var(--color-gray-5);
  border-top-width: 6px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.result-card[data-urgency="direct"] { border-top-color: var(--urgency-direct); }
.result-card[data-urgency="belangrijk"] { border-top-color: var(--urgency-belangrijk); }
.result-card[data-urgency="informatief"] { border-top-color: var(--urgency-informatief); }
.result-card[data-urgency="onbekend"] { border-top-color: var(--urgency-onbekend); }
.result-header { padding: var(--space-lg) var(--space-lg) var(--space-md); }
.result-card[data-urgency="direct"] .result-header { background: var(--urgency-direct-soft); }
.result-card[data-urgency="belangrijk"] .result-header { background: var(--urgency-belangrijk-soft); }
.result-card[data-urgency="informatief"] .result-header { background: var(--urgency-informatief-soft); }
.result-card[data-urgency="onbekend"] .result-header { background: var(--urgency-onbekend-soft); }
.result-label { margin: 0; font-size: 1.5rem; font-weight: 600; line-height: 1.25; color: var(--color-gray-0); }
.result-card[data-urgency="direct"] .result-label { color: var(--urgency-direct); }
.result-card[data-urgency="belangrijk"] .result-label { color: var(--urgency-belangrijk); }
.result-card[data-urgency="informatief"] .result-label { color: var(--urgency-informatief); }
.result-card[data-urgency="onbekend"] .result-label { color: var(--urgency-onbekend); }
.result-body { padding: var(--space-lg); }

/* Override feather's float-based dl layout binnen de result-card voor een grid */
.result-details {
  display: grid;
  grid-template-columns: minmax(8rem, auto) 1fr;
  gap: var(--space-sm) var(--space-md);
  margin: 0 0 var(--space-lg);
  padding: 0;
  list-style: none;
}
.result-details > div { display: contents; }
.result-details dt {
  margin: 0; padding: 0; float: none; width: auto;
  font-weight: 500; color: var(--color-gray-3);
}
.result-details dd {
  margin: 0; padding: 0; float: none;
  font-weight: 500; color: var(--color-gray-0);
}

.result-explanation { color: var(--color-gray-1); margin-bottom: var(--space-lg); max-width: var(--readable-max); font-size: 1rem; }
.result-actions h3 { font-size: 1rem; color: var(--color-gray-0); margin: 0 0 var(--space-sm); font-weight: 500; }
.result-action-list { margin: 0 0 var(--space-lg); padding-left: var(--space-md); }
.result-action-list li { margin-bottom: var(--space-xs); color: var(--color-gray-1); font-size: 1rem; }

.result-source {
  background: var(--color-gray-6);
  border-radius: var(--roundness-2);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}
.result-source p { margin: 0; }

.result-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-gray-5);
  background: var(--color-gray-7);
}

/* ---- Buttons: eigen .btn-familie naast feather's .button/.primary-button ---- */
.btn {
  display: inline-block;
  outline: 0;
  cursor: pointer;
  box-shadow: none;
  margin: 0;
  padding: 0.6rem 1.25rem;
  border-radius: var(--roundness-2);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, color var(--transition-speed) ease;
  border: 1px solid transparent;
}
.btn:disabled { opacity: var(--disabled-opacity); cursor: not-allowed; }

.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--color-primary-focus); border-color: var(--color-primary-focus); color: #fff; text-decoration: none; }

.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover, .btn-secondary:focus { background: var(--color-primary); color: #fff; text-decoration: none; }

.btn-ghost { background: transparent; border-color: transparent; color: var(--color-gray-2); }
.btn-ghost:hover, .btn-ghost:focus { background: var(--color-gray-5); color: var(--color-gray-0); text-decoration: none; }

/* ---- Feedback ---- */
.feedback {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
  font-size: 0.9rem;
  color: var(--color-gray-2);
}
.feedback button[data-feedback] {
  background: transparent;
  border: 1px solid var(--color-gray-4);
  border-radius: var(--roundness-2);
  padding: 0.4rem 0.6rem;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.feedback button[data-feedback]:hover,
.feedback button[data-feedback]:focus { background: var(--color-gray-6); border-color: var(--color-primary); }
.feedback button[data-feedback].selected { background: var(--color-highlight); border-color: var(--color-primary); }
.feedback button[data-feedback]:disabled { cursor: default; opacity: 0.7; }
.feedback-thanks { color: var(--color-success); font-weight: 500; }

/* ---- Error message ---- */
.error-message {
  background: var(--urgency-direct-soft);
  border: 1px solid var(--urgency-direct-border);
  color: var(--urgency-direct);
  padding: var(--space-md);
  border-radius: var(--roundness-2);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

/* ---- Page content (subpages: privacy, voorwaarden, hulp, changelog, 404) ---- */
.page-content {
  padding: var(--space-2xl) 0;
  min-height: calc(100vh - var(--header-h));
}
.page-content h1 {
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0 0 var(--space-md);
  color: var(--color-gray-0);
}
.page-content h2 {
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--color-gray-0);
}
.page-content p, .page-content li { max-width: var(--readable-max); font-size: 1rem; }
.page-content .lead { font-size: 1.25rem; margin-bottom: var(--space-lg); }
.page-content .meta { color: var(--color-gray-3); font-size: 0.9rem; margin-top: var(--space-xl); }

.resource-list { padding: 0; margin: var(--space-md) 0 var(--space-lg); }
.resource-list dt {
  margin: 0 0 var(--space-xs);
  padding: 0;
  float: none;
  width: auto;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-gray-0);
}
.resource-list dd {
  margin: 0 0 var(--space-md);
  padding: 0;
  float: none;
  font-weight: 400;
  color: var(--color-gray-2);
}

.update {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-md);
  margin-bottom: var(--space-xl);
}
.update h2 { margin-top: 0; font-size: 1.25rem; }

/* ---- Site footer ---- */
.site-footer {
  background: var(--color-gray-6);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-gray-5);
}
.site-footer p { color: var(--color-gray-2); margin-bottom: var(--space-sm); }
.site-footer nav {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin: var(--space-sm) 0 var(--space-md);
}
.site-footer .disclaimer { font-size: 0.9rem; color: var(--color-gray-3); max-width: var(--readable-max); margin-top: var(--space-md); }
.site-footer .attribution { font-size: 0.85rem; color: var(--color-gray-3); margin-top: var(--space-md); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero { padding: var(--space-xl) 0 var(--space-lg); }
  .hero h1 { font-size: 1.875rem; }
  .hero .lead { font-size: 1.05rem; }
  .site-header .container { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
  .site-header nav { width: 100%; gap: var(--space-md); }
  .upload-zone { padding: var(--space-xl) var(--space-md); }
  .upload-title { font-size: 1.1rem; }
  .result-header { padding: var(--space-md); }
  .result-body { padding: var(--space-md); }
  .result-footer { flex-direction: column; align-items: stretch; padding: var(--space-md); }
  .feedback { margin-left: 0; justify-content: center; }
  .btn { width: 100%; }
  .result-details { grid-template-columns: 1fr; gap: 0; }
  .result-details dt { margin-top: var(--space-sm); }
  .page-content h1 { font-size: 1.75rem; }
  .page-content h2 { font-size: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}