/*
Theme Name: ZHFMK Blue Sketch
Theme URI: https://zhfmk.llq520.xyz/
Description: A blue-and-white anime sketch child theme for Twenty Twenty-Five.
Author: Codex
Template: twentytwentyfive
Version: 1.0.0
Text Domain: zhfmk-blue-sketch
*/

:root {
  --ink: #174fca;
  --ink-soft: #4f83e7;
  --ink-pale: #dfeaff;
  --paper: rgba(255, 255, 255, 0.78);
  --paper-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(46, 103, 217, 0.28);
  --shadow: 0 20px 70px rgba(28, 80, 178, 0.16);
}

html {
  scroll-behavior: smooth;
}

body {
  color: #173763;
  background:
    radial-gradient(circle at 18% 18%, rgba(74, 131, 235, 0.18), transparent 26rem),
    radial-gradient(circle at 82% 16%, rgba(198, 220, 255, 0.52), transparent 28rem),
    linear-gradient(110deg, rgba(255, 255, 255, 0.9) 0%, rgba(236, 244, 255, 0.78) 48%, rgba(255, 255, 255, 0.94) 100%),
    url("./assets/rem-bg.jpg") center top / cover fixed no-repeat;
  font-family: "Segoe UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(38, 98, 219, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 98, 219, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.1));
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #0b3da8;
}

.wp-site-blocks {
  min-height: 100vh;
  backdrop-filter: saturate(1.08);
}

.wp-site-blocks > header,
.wp-site-blocks > main,
.wp-site-blocks > footer {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.wp-site-blocks > header {
  position: sticky;
  top: 14px;
  z-index: 20;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 14px 45px rgba(38, 96, 215, 0.12);
  backdrop-filter: blur(18px);
}

.wp-site-blocks > header .wp-block-site-title a {
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0;
  text-shadow: 0 8px 24px rgba(46, 103, 217, 0.22);
}

.wp-block-navigation a {
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  color: #1c4d9d;
}

.wp-block-navigation a:hover {
  background: rgba(224, 236, 255, 0.72);
  text-decoration: none;
}

.wp-site-blocks > main {
  margin-top: 28px;
}

main .wp-block-group,
main .wp-block-post,
.wp-block-query .wp-block-post-template > li,
.wp-block-comments,
.wp-block-post-comments-form,
.wp-block-post-content > .wp-block-group {
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(242, 247, 255, 0.72)),
    repeating-linear-gradient(110deg, rgba(27, 91, 213, 0.025) 0 1px, transparent 1px 9px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

main .wp-block-post,
.wp-block-query .wp-block-post-template > li {
  padding: clamp(18px, 3vw, 34px);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.wp-block-query .wp-block-post-template > li:hover {
  transform: translateY(-3px);
  border-color: rgba(46, 103, 217, 0.46);
  box-shadow: 0 24px 90px rgba(28, 80, 178, 0.2);
}

h1,
h2,
h3,
.wp-block-post-title,
.wp-block-query-title {
  color: #114fbf;
  letter-spacing: 0;
}

h1,
.wp-block-post-title {
  text-shadow: 0 12px 34px rgba(46, 103, 217, 0.2);
}

.wp-block-post-title a {
  color: inherit;
}

.wp-block-post-title a:hover {
  text-decoration-color: rgba(17, 79, 191, 0.42);
}

.wp-block-post-excerpt,
.wp-block-post-date,
.wp-block-post-author-name,
.wp-block-post-terms {
  color: rgba(23, 55, 99, 0.72);
}

.wp-block-button__link,
button,
input[type="submit"] {
  border: 1px solid rgba(24, 88, 218, 0.28);
  border-radius: 999px;
  background: linear-gradient(135deg, #2368dd, #70a4ff);
  color: #fff;
  box-shadow: 0 12px 30px rgba(35, 104, 221, 0.26);
}

.wp-block-button__link:hover,
button:hover,
input[type="submit"]:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
}

input,
textarea,
select,
.wp-block-search__input {
  border: 1px solid rgba(46, 103, 217, 0.26);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  color: #173763;
}

img {
  border-radius: 16px;
}

.wp-block-post-featured-image img,
.wp-block-image img {
  border: 1px solid rgba(46, 103, 217, 0.18);
  box-shadow: 0 16px 50px rgba(28, 80, 178, 0.13);
}

.wp-site-blocks > footer {
  margin-top: 42px;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  color: rgba(23, 55, 99, 0.72);
  box-shadow: 0 12px 40px rgba(38, 96, 215, 0.1);
  backdrop-filter: blur(16px);
}

body.home main::before,
body.blog main::before {
  content: "LM  by xiaozhang";
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 12px 0 28px;
  padding: 0.52rem 1rem;
  border: 1px solid rgba(46, 103, 217, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: #195cd2;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 12px 32px rgba(38, 96, 215, 0.12);
  backdrop-filter: blur(14px);
}

@media (max-width: 760px) {
  body {
    background-position: 60% top;
    background-attachment: scroll;
  }

  .wp-site-blocks > header,
  .wp-site-blocks > main,
  .wp-site-blocks > footer {
    width: min(100% - 20px, 1120px);
  }

  .wp-site-blocks > header {
    top: 8px;
    border-radius: 14px;
  }

  main .wp-block-post,
  .wp-block-query .wp-block-post-template > li {
    padding: 18px;
  }
}

.zhfmk-music {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 1000;
}

.zhfmk-music__button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 8px 14px 8px 9px;
  border: 1px solid rgba(46, 103, 217, 0.34);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(225, 239, 255, 0.78)),
    rgba(255, 255, 255, 0.74);
  color: #1452bf;
  box-shadow: 0 14px 42px rgba(28, 80, 178, 0.2);
  cursor: pointer;
  backdrop-filter: blur(16px);
}

.zhfmk-music__button:hover {
  transform: translateY(-1px);
  filter: none;
}

.zhfmk-music__disc {
  width: 30px;
  height: 30px;
  border: 2px solid rgba(20, 82, 191, 0.72);
  border-radius: 50%;
  background:
    radial-gradient(circle, #1452bf 0 4px, transparent 5px),
    conic-gradient(from 30deg, rgba(20, 82, 191, 0.24), rgba(255, 255, 255, 0.85), rgba(20, 82, 191, 0.24));
  box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.68);
}

.zhfmk-music__text {
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.zhfmk-music.is-playing .zhfmk-music__disc {
  animation: zhfmk-spin 3.8s linear infinite;
}

.zhfmk-music.is-playing .zhfmk-music__button {
  border-color: rgba(46, 103, 217, 0.58);
}

@keyframes zhfmk-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 760px) {
  .zhfmk-music {
    right: 12px;
    bottom: 12px;
  }

  .zhfmk-music__button {
    min-height: 42px;
    padding-right: 12px;
  }

  .zhfmk-music__text {
    font-size: 12px;
  }
}