/*! HTML5 Boilerplate v9.0.1 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

html {
  color: #222;
  font-size: 1em;
  line-height: 1.4;
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * Customize the background color to match your design.
 */

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
  resize: vertical;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */

:root {
  --bg: #0d1b2a;
  --card: #1a2e45;
  --card2: #162538;
  --accent: #4fc3f7;
  --accent2: #81d4fa;
  --text: #e8f4fd;
  --muted: #90b4ce;
  --check: #43e97b;
  --warn: #ffb347;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  padding: 24px 16px 60px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 40%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 8%,  #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 25%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 10%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 55%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 60%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 50%, rgba(255,255,255,.5) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.wrapper {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.hero {
  text-align: center;
  padding: 32px 0 24px;
}

.cabin-art {
  font-size: 80px;
  line-height: 1;
  filter: drop-shadow(0 4px 24px rgba(79,195,247,.4));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

h1 {
  margin-top: 16px;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.subtitle {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
}

.divider {
  text-align: center;
  font-size: 1.2rem;
  letter-spacing: 12px;
  opacity: .35;
  margin: 8px 0;
}

.section {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 28px 20px;
  margin-top: 24px;
  border: 1px solid rgba(79,195,247,.12);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.section-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.section-desc {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 2px;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--card2);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.05);
  cursor: pointer;
  transition: background .2s, border-color .2s, opacity .25s;
  user-select: none;
}

.checklist li:hover { background: rgba(79,195,247,.07); border-color: rgba(79,195,247,.2); }

.checklist li.done {
  opacity: .55;
  text-decoration: line-through;
  text-decoration-color: var(--check);
}

.checklist li.done .cb { background: var(--check); border-color: var(--check); }
.checklist li.done .cb::after { opacity: 1; }

.cb {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 1px;
  border: 2px solid var(--muted);
  border-radius: 6px;
  position: relative;
  transition: background .2s, border-color .2s;
}

.cb::after {
  content: '';
  position: absolute;
  top: 3px; left: 6px;
  width: 7px; height: 12px;
  border: 2.5px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity .15s;
}

.item-emoji {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: -1px;
}

.item-text {
  font-size: 0.97rem;
  line-height: 1.5;
}

.warn-badge {
  display: inline-block;
  background: rgba(255,179,71,.15);
  border: 1px solid rgba(255,179,71,.4);
  color: var(--warn);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: middle;
  white-space: nowrap;
}

.progress-wrap {
  margin-top: 24px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid rgba(79,195,247,.12);
  text-align: center;
}

.progress-label {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.progress-bar-bg {
  background: rgba(255,255,255,.08);
  border-radius: 99px;
  height: 12px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--check), #00e5ff);
  border-radius: 99px;
  transition: width .4s cubic-bezier(.4,0,.2,1);
  width: 0%;
}

.progress-count {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.all-done-msg {
  display: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--check);
  margin-top: 12px;
  animation: pop .4s cubic-bezier(.175,.885,.32,1.275);
}

@keyframes pop {
  0%   { transform: scale(.7); opacity: 0; }
  100% { transform: scale(1);  opacity: 1; }
}

footer {
  text-align: center;
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.8rem;
  opacity: .6;
}

@media (max-width: 480px) {
  .section { padding: 20px 16px 16px; }
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn .3s ease;
}

.modal-overlay.show {
  display: flex;
}

.modal-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 44px 36px 36px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  animation: popIn .45s cubic-bezier(.175,.885,.32,1.275);
  border: 1px solid rgba(79,195,247,.2);
  box-shadow: 0 24px 64px rgba(0,0,0,.55);
}

.modal-img {
  font-size: 72px;
  line-height: 1;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.modal-sub {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.modal-close {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 99px;
  padding: 12px 36px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .2s, transform .1s;
  -webkit-text-fill-color: #fff;
}

.modal-close:hover  { opacity: .85; }
.modal-close:active { transform: scale(.96); }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes popIn {
  from { transform: scale(.6); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

/* Summer theme */
body.summer {
  --bg: #edf7ee;
  --card: #ffffff;
  --card2: #f4fbf5;
  --accent: #1e7e3e;
  --accent2: #48bb6e;
  --text: #18301f;
  --muted: #5c8a68;
  --check: #2ecc71;
  --warn: #e67e22;
}

body.summer::before {
  background-image:
    radial-gradient(circle at 18% 8%,  rgba(255,248,60,.22) 0%, transparent 38%),
    radial-gradient(circle at 82% 6%,  rgba(255,248,60,.16) 0%, transparent 32%);
}

body.summer .section {
  border-color: rgba(30,126,62,.15);
  box-shadow: 0 8px 32px rgba(0,80,30,.08);
}

body.summer .cabin-art {
  filter: drop-shadow(0 4px 24px rgba(48,180,80,.4));
}

body.summer .checklist li {
  border-color: rgba(0,0,0,.06);
}

body.summer .checklist li:hover {
  background: rgba(30,126,62,.06);
  border-color: rgba(30,126,62,.2);
}

body.summer .progress-wrap {
  border-color: rgba(30,126,62,.15);
}

body.summer .progress-bar-bg {
  background: rgba(0,0,0,.07);
}

/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers
 */

.hidden,
[hidden] {
  display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 *
 * 1. For long content, line feeds are not interpreted as spaces and small width
 *    causes content to wrap 1 word per line:
 *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
 */

.visually-hidden {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
  /* 1 */
}

/*
 * Extends the .visually-hidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
  visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * The use of `table` rather than `block` is only necessary if using
 * `::before` to contain the top-margins of child elements.
 */

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

@media only screen and (min-width: 35em) {
  /* Style adjustments for viewports that meet the condition */
}

@media print,
  (-webkit-min-device-pixel-ratio: 1.25),
  (min-resolution: 1.25dppx),
  (min-resolution: 120dpi) {
  /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid the additional HTTP request:
   https://www.phpied.com/delay-loading-your-print-css/
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    /* Black prints faster */
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
  }

  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  /*
   * Don't show links that are fragment identifiers,
   * or use the `javascript:` pseudo protocol
   */
  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  pre {
    white-space: pre-wrap !important;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}