/*
Theme Name: Aether Note
Theme URI: https://example.com/aether-note
Author: Your Name
Author URI: https://example.com
Description: 简洁大气、中文排版友好、响应式与SEO友好的个人博客主题。支持自定义主题色、特色图片、分类展示、社交分享、归档与标签云、小工具区域。
Version: 1.0.0
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aether-note
Tags: blog, news, one-column, two-columns, custom-colors, custom-menu, featured-images, sticky-post, translation-ready
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
*/

:root{
  --an-accent: #2563eb;
  --an-bg: #ffffff;
  --an-fg: #0f172a;
  --an-muted: #475569;
  --an-border: rgba(15, 23, 42, .12);
  --an-card: rgba(255,255,255,.75);
  --an-radius: 16px;
  --an-shadow: 0 10px 30px rgba(2, 6, 23, .08);
  --an-max: 1120px;

  --an-font-sans: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC", "Source Han Sans SC", "Segoe UI", Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --an-font-serif: ui-serif, "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;

  --an-content-font-size: 16px;
  --an-content-line-height: 1.75;
  --an-article-font: var(--an-font-sans);
}

@media (prefers-color-scheme: dark){
  :root{
    --an-bg:#0b1220;
    --an-fg:#e5e7eb;
    --an-muted:#a1a1aa;
    --an-border:rgba(148,163,184,.18);
    --an-card:rgba(15,23,42,.55);
    --an-shadow: 0 18px 42px rgba(0,0,0,.35);
  }
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--an-bg);
  color:var(--an-fg);
  font-family: var(--an-font-sans);
  line-height:1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
}
img{max-width:100%; height:auto;}
a{color:inherit; text-decoration:none;}
a:hover{color:var(--an-accent);}

input,button,textarea,select{font:inherit; color:inherit;}
input[type="search"], input[type="text"], input[type="email"], input[type="url"], textarea{
  width:100%;
  border:1px solid var(--an-border);
  background: color-mix(in srgb, var(--an-bg) 92%, transparent);
  border-radius: 14px;
  padding: 10px 12px;
  outline: none;
}
input[type="search"]:focus, input[type="text"]:focus, input[type="email"]:focus, input[type="url"]:focus, textarea:focus{
  border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--an-accent) 18%, transparent);
}

.an-skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.an-skip-link:focus{
  left:12px; top:12px; width:auto; height:auto; padding:10px 12px;
  background:var(--an-bg); border:1px solid var(--an-border); border-radius:12px; z-index:9999;
}

.an-container{max-width:var(--an-max); margin:0 auto; padding:0 18px;}
.an-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  background:color-mix(in srgb, var(--an-bg) 75%, transparent);
  border-bottom:1px solid var(--an-border);
}
.an-header-inner{position:relative; display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 0;}
.an-brand{display:flex; align-items:center; gap:10px; min-width:0;}
.an-logo{
  width:34px; height:34px; border-radius:12px;
  background:linear-gradient(135deg, var(--an-accent), #22c55e);
  box-shadow: 0 10px 24px rgba(37,99,235,.18);
}
.an-site-title{font-weight:700; letter-spacing:.2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.an-site-desc{font-size:13px; color:var(--an-muted); line-height:1.3;}

.an-nav{display:flex; align-items:center; gap:16px;}
.an-menu-toggle{
  display:none;
  border:1px solid var(--an-border);
  background:transparent;
  color:var(--an-fg);
  padding:8px 10px;
  border-radius:12px;
}
.an-menu{
  position:relative;
}
.an-menu-list{
  display:flex;
  gap:6px;
  list-style:none;
  margin:0;
  padding:0;
}
.an-menu a{font-size:14px; color:var(--an-muted); padding:8px 10px; border-radius:12px; display:inline-flex; align-items:center;}
.an-menu a:hover{background:color-mix(in srgb, var(--an-accent) 10%, transparent); color:var(--an-fg);}

@media (max-width: 860px){
  .an-menu-toggle{display:inline-flex; align-items:center; gap:8px;}
  .an-menu{display:none; position:absolute; left:0; right:0; top:100%; background:var(--an-bg); border-bottom:1px solid var(--an-border);}
  .an-menu.is-open{display:block;}
  .an-menu ul{list-style:none; margin:0; padding:10px 18px 14px;}
  .an-menu li{margin:6px 0;}
  .an-menu a{display:block;}
}

.an-main{padding:26px 0 54px;}
.an-grid{display:grid; grid-template-columns: 1.6fr .9fr; gap:24px; align-items:start;}
@media (max-width: 980px){
  .an-grid{grid-template-columns:1fr;}
}

.an-card{
  background:var(--an-card);
  border:1px solid var(--an-border);
  border-radius:var(--an-radius);
  box-shadow:var(--an-shadow);
}
.an-card-pad{padding:18px;}

.an-post-list{display:grid; gap:16px;}
.an-post-item{overflow:hidden;}
.an-post-cover{display:block; aspect-ratio: 16/9; background:#0f172a10;}
.an-post-cover img{width:100%; height:100%; object-fit:cover; display:block;}
.an-post-meta{font-size:13px; color:var(--an-muted); display:flex; flex-wrap:wrap; gap:10px;}
.an-post-title{margin:8px 0 6px; font-size:20px; line-height:1.35; letter-spacing:.2px;}
.an-post-excerpt{margin:0; color:var(--an-muted);}

.an-typography{
  font-size:var(--an-content-font-size);
  line-height:var(--an-content-line-height);
  font-family:var(--an-article-font);
  word-break: break-word;
  hyphens:auto;
}
.an-typography h1,.an-typography h2,.an-typography h3{
  line-height:1.25;
  letter-spacing:.2px;
}
.an-typography h1{font-size:32px; margin: 0 0 14px;}
.an-typography h2{font-size:24px; margin: 24px 0 12px;}
.an-typography h3{font-size:20px; margin: 20px 0 10px;}
.an-typography p{margin: 0 0 14px;}
.an-typography a{color:var(--an-accent);}
.an-typography a:hover{text-decoration:underline;}

/* Article images (beautiful + consistent) */
.an-typography img{
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(2,6,23,.10);
}
.an-typography figure{margin: 16px 0;}
.an-typography figcaption{
  margin-top: 8px;
  color: var(--an-muted);
  font-size: 13px;
  text-align: center;
}
.an-typography .wp-caption{max-width:100%; margin: 16px 0;}
.an-typography .wp-caption img{display:block; margin:0 auto;}
.an-typography .wp-caption-text{margin-top: 8px; text-align:center;}

.an-typography .wp-block-image{margin: 16px 0;}
.an-typography .wp-block-image img{display:block; width:auto; height:auto;}
.an-typography .wp-block-image.aligncenter img{margin-left:auto; margin-right:auto;}
.an-typography .wp-block-image.alignwide img,
.an-typography .wp-block-image.alignfull img{width:100%;}

.an-typography .alignleft{float:left; margin: 6px 16px 10px 0;}
.an-typography .alignright{float:right; margin: 6px 0 10px 16px;}
.an-typography .aligncenter{display:block; margin-left:auto; margin-right:auto;}
.an-typography:after{content:""; display:block; clear:both;}

.an-typography blockquote{
  margin:18px 0;
  padding:12px 14px;
  border-left:3px solid var(--an-accent);
  background: color-mix(in srgb, var(--an-accent) 8%, transparent);
  border-radius: 12px;
  color:var(--an-muted);
}
.an-typography code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: .92em;
  background: rgba(2,6,23,.06);
  padding: 2px 6px;
  border-radius: 10px;
}
pre{overflow:auto; padding:14px; border-radius:16px; border:1px solid var(--an-border); background:rgba(2,6,23,.06);}

.an-sidebar .widget{margin:0 0 16px;}
.an-sidebar .widget-title{margin:0 0 10px; font-size:14px; letter-spacing:.3px; color:var(--an-muted); text-transform:uppercase;}
.an-sidebar ul{margin:0; padding-left:18px;}

.tagcloud{display:flex; flex-wrap:wrap; gap:8px;}
.tagcloud a{
  display:inline-flex;
  padding:6px 10px;
  border:1px solid var(--an-border);
  border-radius:999px;
  color:var(--an-muted);
  font-size:13px !important;
  line-height:1.2;
}
.tagcloud a:hover{border-color: color-mix(in srgb, var(--an-accent) 40%, var(--an-border)); color:var(--an-fg);} 

.an-badges{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
.an-badge{display:inline-flex; padding:6px 10px; border:1px solid var(--an-border); border-radius:999px; font-size:13px; color:var(--an-muted);} 
.an-badge:hover{border-color: color-mix(in srgb, var(--an-accent) 40%, var(--an-border)); color:var(--an-fg);} 

.an-pagination{display:flex; justify-content:space-between; gap:12px; margin-top:18px;}
.an-btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--an-border);
  background:transparent;
  color:var(--an-fg);
}
.an-btn:hover{border-color:color-mix(in srgb, var(--an-accent) 55%, var(--an-border));}

.search-form{display:flex; gap:10px; align-items:center;}
.search-form label{flex:1;}

.an-footer{padding:30px 0 48px; border-top:1px solid var(--an-border); color:var(--an-muted);} 
.an-footer a{color:var(--an-muted);} 

.an-share{display:flex; flex-wrap:wrap; gap:10px;}
.an-share a{font-size:13px;}

/* Comments: keep clean */
.comment-list{margin: 12px 0 0; padding-left: 18px;}
.comment-list .comment{margin: 12px 0;}
.comment-list .comment-body{border:1px solid var(--an-border); border-radius: 14px; padding: 12px 14px; background: color-mix(in srgb, var(--an-bg) 92%, transparent);}
.comment-list .comment-meta{font-size: 13px; color: var(--an-muted);}
.comment-list .reply a{font-size: 13px; color: var(--an-accent);}

/* Comment form */
#respond{margin-top: 12px;}
#respond .comment-reply-title{margin: 0 0 10px; font-size: 14px; color: var(--an-muted); letter-spacing: .3px; text-transform: uppercase;}
#respond .comment-form{margin-top: 10px;}
#respond .comment-form > p{margin: 10px 0;}
#respond .comment-form .comment-form-comment{margin-bottom: 10px;}
#respond .comment-form textarea#comment{min-height: 120px; resize: vertical;}
#respond .comment-form .form-submit{margin-top: 12px;}
#respond .comment-form .submit{width: 100%;}

/* Emoji + sticker toolbar */
.an-comment-emoji{margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--an-border);}
.an-comment-emoji-title{font-size: 12px; color: var(--an-muted); letter-spacing: .3px; text-transform: uppercase; margin-bottom: 8px;}
.an-comment-emoji-grid{display:flex; flex-wrap:wrap; gap:8px;}
.an-emoji-btn{
  border: 1px solid var(--an-border);
  background: transparent;
  border-radius: 12px;
  padding: 6px 10px;
  line-height: 1.1;
}
.an-emoji-btn:hover{border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border));}


/* Comment sticker packs (WeChat-like) */
.an-comment-sticker{margin-top:10px; position:relative;}
.an-sticker-launch{
  border:1px solid var(--an-border);
  background: transparent;
  border-radius: 12px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--an-muted);
}
.an-sticker-launch:hover{border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border)); color: var(--an-fg);}

.an-sticker-pop{
  position:absolute;
  left:0;
  top: calc(100% + 8px);
  width: min(520px, 100%);
  z-index: 20;
  background: var(--an-bg);
  border: 1px solid var(--an-border);
  border-radius: 16px;
  box-shadow: var(--an-shadow);
  overflow: hidden;
}
.an-sticker-pop-head{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 12px; border-bottom:1px solid var(--an-border);}
.an-sticker-pop-title{font-size:13px; font-weight:700; letter-spacing:.2px;}
.an-sticker-close{border:1px solid var(--an-border); background:transparent; border-radius:12px; width:36px; height:36px; line-height:1; font-size:18px;}
.an-sticker-close:hover{border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border));}

.an-sticker-packbar{display:flex; gap:8px; padding:10px 12px; border-bottom:1px dashed var(--an-border); overflow:auto;}
.an-pack-btn{
  flex: 0 0 auto;
  border: 1px solid var(--an-border);
  background: transparent;
  border-radius: 12px;
  padding: 6px 8px;
  min-width: 44px;
  height: 40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.an-pack-btn.is-active{border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--an-accent) 12%, transparent);} 
.an-pack-btn img{width:28px; height:28px; display:block;}

.an-sticker-grid{display:grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap:8px; padding:12px;}
@media (max-width: 520px){
  .an-sticker-grid{grid-template-columns: repeat(6, minmax(0, 1fr));}
}
.an-sticker-btn{
  border: 1px solid var(--an-border);
  background: transparent;
  border-radius: 14px;
  padding: 6px;
  height: 44px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.an-sticker-btn:hover{border-color: color-mix(in srgb, var(--an-accent) 55%, var(--an-border));}
.an-sticker-btn img{max-width:32px; max-height:32px; width:auto; height:auto; display:block;}

.an-sticker-loading,.an-sticker-error,.an-sticker-empty{
  grid-column: 1 / -1;
  color: var(--an-muted);
  font-size: 13px;
  padding: 10px;
}

/* Rendered sticker tokens in comments */
.an-sticker-token img{width:30px; height:30px; vertical-align: text-bottom;}
.an-modal{
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(2,6,23,.55);
}
.an-modal.is-open{display:flex;}
.an-modal-dialog{
  width: min(720px, 100%);
  background: var(--an-bg);
  border: 1px solid var(--an-border);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(0,0,0,.35);
  overflow: hidden;
}
.an-modal-header{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:14px 16px; border-bottom:1px solid var(--an-border);}
.an-modal-title{font-weight:700; letter-spacing:.2px;}
.an-modal-body{padding:16px;}
.an-qr-grid{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:16px;}
@media (max-width: 640px){
  .an-qr-grid{grid-template-columns: 1fr;}
}
.an-qr-card{border:1px solid var(--an-border); border-radius:16px; padding:14px; background: color-mix(in srgb, var(--an-bg) 92%, transparent);}
.an-qr-card h3{margin: 0 0 10px; font-size: 14px; color: var(--an-muted); letter-spacing:.2px;}
.an-qr-card img{width:100%; height:auto; display:block; border-radius: 14px;}
.an-modal-close{min-width: 40px; height: 40px; padding:0 12px; border-radius: 12px;}

/* Friends */
.an-friends-grid{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:12px;}
@media (max-width: 700px){
  .an-friends-grid{grid-template-columns: 1fr;}
}
.an-friend-card{
  display:block;
  border:1px solid var(--an-border);
  border-radius: 16px;
  padding: 14px;
  background: color-mix(in srgb, var(--an-bg) 92%, transparent);
}
.an-friend-card:hover{border-color: color-mix(in srgb, var(--an-accent) 45%, var(--an-border));}
.an-friend-name{font-weight: 700; letter-spacing: .2px; margin-bottom: 6px;}
.an-friend-desc{font-size: 13px; color: var(--an-muted); line-height: 1.55;}

/* Moments timeline */
.an-moments{position:relative; display:grid; gap:14px;}
.an-moments:before{
  content:"";
  position:absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: color-mix(in srgb, var(--an-border) 70%, transparent);
}
.an-moment-item{position:relative; padding-left: 34px;}
.an-moment-dot{
  position:absolute;
  left: 4px;
  top: 18px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--an-bg) 70%, transparent);
  border: 2px solid color-mix(in srgb, var(--an-accent) 55%, var(--an-border));
  box-shadow: 0 10px 22px rgba(37,99,235,.14);
}
.an-moment-card{overflow:hidden;}

/* WP core alignment */
.alignwide{margin-left:auto; margin-right:auto;}
.alignfull{width:100%; margin-left:0; margin-right:0;}
.wp-caption{max-width:100%;}
.wp-caption-text{color:var(--an-muted); font-size:13px;}

/* Accessibility */
.screen-reader-text{clip: rect(1px, 1px, 1px, 1px); position: absolute !important; height: 1px; width: 1px; overflow: hidden; white-space: nowrap;}
.screen-reader-text:focus{clip:auto; height:auto; width:auto; display:block; padding:10px 12px; background:var(--an-bg); border:1px solid var(--an-border); border-radius:12px; z-index:100000;}