/* ------------------------------------
 * Typecho Default Theme - MD3 Style
 *
 * 配色与 AdminBeautify 后端一致
 * Material Design 3 设计语言
 * 主色调: #6750a4
 * 支持暗色/浅色模式切换
 * --------------------------------- */

/* ------------------
 * CSS Variables - Light (default)
 * --------------- */
:root {
    --md-primary: #6750a4;
    --md-primary-light: #d0bcff;
    --md-on-primary: #ffffff;
    --md-primary-container: #e8def8;
    --md-on-primary-container: #21005e;
    --md-secondary: #625b71;
    --md-secondary-container: #e8def8;
    --md-surface: #f5f5f7;
    --md-surface-dim: #ded8e1;
    --md-surface-container: #f0eef5;
    --md-surface-container-low: #f7f2fa;
    --md-surface-container-high: #ece6f0;
    --md-on-surface: #1d1b20;
    --md-on-surface-variant: #49454f;
    --md-outline: #79747e;
    --md-outline-variant: #cac4cf;
    --md-inverse-surface: #322f35;
    --md-inverse-on-surface: #f5eff7;
    --md-error: #b3261e;
    --md-success: #386a20;
    --md-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --md-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --md-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
    --md-radius-sm: 8px;
    --md-radius-md: 12px;
    --md-radius-lg: 16px;
    --md-radius-xl: 20px;
    --md-radius-full: 100px;
    --md-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ------------------
 * CSS Variables - Dark mode
 * --------------- */
[data-theme="dark"] {
    --md-primary: #d0bcff;
    --md-primary-light: #6750a4;
    --md-on-primary: #381e72;
    --md-primary-container: #4f378b;
    --md-on-primary-container: #eaddff;
    --md-secondary: #ccc2dc;
    --md-secondary-container: #4a4458;
    --md-surface: #1c1b1f;
    --md-surface-dim: #141218;
    --md-surface-container: #211f26;
    --md-surface-container-low: #1d1b20;
    --md-surface-container-high: #2b2930;
    --md-on-surface: #e6e1e5;
    --md-on-surface-variant: #cac4d0;
    --md-outline: #938f99;
    --md-outline-variant: #49454f;
    --md-inverse-surface: #e6e1e5;
    --md-inverse-on-surface: #322f35;
    --md-error: #f2b8b5;
    --md-success: #a8d5ba;
    --md-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.20);
    --md-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.25);
    --md-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.30);
}

/* ------------------
 * Global style
 * --------------- */
body {
    background-color: var(--md-surface);
    color: var(--md-on-surface);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-size: 87.5%;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--md-primary);
    text-decoration: none;
    transition: var(--md-transition);
}
a:hover, a:active {
    color: var(--md-on-primary-container);
}
pre, code {
    background: var(--md-surface-container);
    font-family: Menlo, Monaco, Consolas, "Lucida Console", "Courier New", monospace;
    font-size: .92857em;
    border-radius: var(--md-radius-sm);
}
code { padding: 2px 4px; color: var(--md-primary); }
pre {
    padding: 12px;
    overflow: auto;
    max-height: 400px;
}
pre code {
    display: block;
    padding: 3px;
    color: var(--md-on-surface);
}

blockquote {
    margin: 1em 0;
    padding: 12px 16px;
    padding-left: 16px;
    border-left: 4px solid var(--md-primary);
    background: var(--md-surface-container-low);
    border-radius: 0 var(--md-radius-sm) var(--md-radius-sm) 0;
    color: var(--md-on-surface-variant);
}

table {
    border: 1px solid var(--md-outline-variant);
    width: 100%;
    border-radius: var(--md-radius-sm);
    overflow: hidden;
}
table th,
table td {
    padding: 10px 14px;
    border: 1px solid var(--md-outline-variant);
}
table th {
    background: var(--md-surface-container);
    color: var(--md-on-surface);
    font-weight: 600;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--md-on-surface);
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
textarea {
    padding: 10px 14px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-sm);
    background: var(--md-surface-container-low);
    color: var(--md-on-surface);
    width: 100%;
    transition: var(--md-transition);
    outline: none;
    font-size: 14px;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
textarea:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px var(--md-primary-container);
    background: var(--md-on-primary);
}
textarea {
    resize: vertical;
}


/* Special link style */
.post-meta a,
.post-content a,
.widget a,
.comment-content a {
    border-bottom: 1px solid var(--md-outline-variant);
}

.post-meta a:hover,
.post-content a:hover,
.widget a:hover,
.comment-content a:hover {
    border-bottom-color: transparent;
}

/* ------------------
 * Header
 * --------------- */

#header {
    padding: 28px 0 0;
    border-bottom: 1px solid var(--md-outline-variant);
    background: var(--md-surface-container-low);
}

#logo {
    color: var(--md-on-surface);
    font-size: 2.2em;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: var(--md-transition);
}
#logo:hover {
    color: var(--md-primary);
}
#logo img {
    max-height: 64px;
}

.description {
    margin: .5em 0 0;
    color: var(--md-on-surface-variant);
    font-style: italic;
    font-size: 0.95em;
}

/* Navigation menu */
#nav-menu {
    margin: 20px 0 0;
    padding: 0;
    display: flex;
    gap: 4px;
    align-items: center;
}
#nav-menu a {
    display: block;
    padding: 0 18px;
    height: 36px;
    line-height: 36px;
    color: var(--md-on-surface-variant);
    border: none;
    border-radius: var(--md-radius-full);
    font-size: 13px;
    font-weight: 500;
    transition: var(--md-transition);
    float: left;
}
#nav-menu a:hover {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
}
#nav-menu .current {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

/* Theme toggle button */
#theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--md-radius-full);
    background: transparent;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    transition: var(--md-transition);
    float: left;
    font-size: 18px;
    line-height: 1;
    margin-left: 4px;
}
#theme-toggle:hover {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
}

/* Search */
#search {
    position: relative;
    margin-top: 15px;
}
#search input {
    padding-right: 36px;
    border-radius: var(--md-radius-full);
    background: var(--md-surface-container);
}
#search input:focus {
    background: var(--md-on-primary);
    color: var(--md-on-surface);
}
#search button {
    position: absolute;
    right: 4px;
    top: 2px;
    border: none;
    padding: 0;
    width: 28px;
    height: 28px;
    background: transparent url(img/icon-search.png) no-repeat center center;
    background-size: 18px 18px;
    direction: ltr;
    text-indent: -9999em;
    cursor: pointer;
}

@media
(-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
  #search button {
    background-image: url(img/icon-search@2x.png);
    -webkit-background-size: 18px 18px;
    -moz-background-size: 18px 18px;
    -o-background-size: 18px 18px;
    background-size: 18px 18px;
  }
}


/* ------------------
 * Main
 * --------------- */

.post {
    padding: 20px 0 24px;
    border-bottom: 1px solid var(--md-outline-variant);
    transition: var(--md-transition);
}
.post:last-child {
    border-bottom: none;
}
.post-title {
    margin: .83em 0;
    font-size: 1.5em;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.post-title a {
    color: var(--md-on-surface);
}
.post-title a:hover {
    color: var(--md-primary);
}
.post-meta {
    margin-top: -0.5em;
    padding: 0;
    color: var(--md-on-surface-variant);
    font-size: .92857em;
}
.post-meta li {
    display: inline-block;
    margin: 0 8px 0 0;
    padding-left: 12px;
    border-left: 1px solid var(--md-outline-variant);
}
.post-meta li:first-child {
    margin-left: 0;
    padding-left: 0;
    border: none;
}
.post-content {
    line-height: 1.7;
    color: var(--md-on-surface);
}
.post .tags {
    clear: both;
}
.post .tags a {
    display: inline-block;
    padding: 2px 10px;
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-radius: var(--md-radius-full);
    font-size: 12px;
    margin: 2px 4px 2px 0;
    border: none;
    transition: var(--md-transition);
}
.post .tags a:hover {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

.post-near {
    list-style: none;
    margin: 30px 0;
    padding: 0;
    color: var(--md-on-surface-variant);
}
.post-near li {
    margin: 10px 0;
}

.archive-title {
    margin: 1em 0 -1em;
    padding-top: 20px;
    color: var(--md-on-surface-variant);
    font-size: 1em;
}
.more {
    text-align: center;
    margin-top: 10px;
}
.more a {
    display: inline-block;
    padding: 8px 24px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border-radius: var(--md-radius-full);
    font-size: 13px;
    font-weight: 500;
    border: none;
    transition: var(--md-transition);
}
.more a:hover {
    background: var(--md-primary-light);
    box-shadow: var(--md-shadow-md);
    transform: translateY(-1px);
}
.protected .text {
    width: 50%;
}

/* Page nav */

.page-navigator {
    list-style: none;
    margin: 25px 0;
    padding: 0;
    text-align: center;
}
.page-navigator li {
    display: inline-block;
    margin: 0 3px;
}
.page-navigator a {
    display: inline-block;
    padding: 0 14px;
    height: 34px;
    line-height: 34px;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    font-size: 13px;
    font-weight: 500;
    transition: var(--md-transition);
}
.page-navigator a:hover {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
    text-decoration: none;
}

.page-navigator .current a {
    color: var(--md-on-primary);
    background: var(--md-primary);
}

/* ------------------
 * Comment list
 * --------------- */
#comments {
    padding-top: 15px;
}
.comment-list, .comment-list ol {
    list-style: none;
    margin: 0;
    padding: 0;
}
.comment-list li {
    padding: 16px;
    margin-top: 10px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-md);
    background: var(--md-surface-container-low);
    transition: var(--md-transition);
}
.comment-list li:hover {
    border-color: var(--md-primary);
    box-shadow: var(--md-shadow-sm);
}
.comment-list li.comment-level-odd {
    background: var(--md-surface-container-low);
}
.comment-list li.comment-level-even {
    background: var(--md-surface);
}
.comment-list li.comment-by-author {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
}
.comment-list li .comment-reply {
    text-align: right;
    font-size: .92857em;
}
.comment-list li .comment-reply a {
    color: var(--md-primary);
    font-weight: 500;
}
.comment-meta a {
    color: var(--md-on-surface-variant);
    font-size: .92857em;
}
.comment-meta a:hover {
    color: var(--md-primary);
}
.comment-author {
    display: block;
    margin-bottom: 3px;
    color: var(--md-on-surface);
    font-weight: 600;
}
.comment-author .avatar {
    float: left;
    margin-right: 10px;
    border-radius: var(--md-radius-full);
    border: 2px solid var(--md-outline-variant);
}
.comment-author cite {
    font-weight: bold;
    font-style: normal;
}

/* Comment reply */
.comment-list .respond {
    margin-top: 15px;
    border-top: 1px solid var(--md-outline-variant);
    padding-top: 15px;
}
.respond .cancel-comment-reply {
    float: right;
    margin-top: 15px;
    font-size: .92857em;
}
.respond .cancel-comment-reply a {
    color: var(--md-primary);
    font-weight: 500;
}
#comment-form label {
    display: block;
    margin-bottom: .5em;
    font-weight: 600;
    color: var(--md-on-surface);
    font-size: 13px;
}
#comment-form .required:after {
    content: " *";
    color: var(--md-error);
}
#comment-form button[type="submit"],
#comment-form input[type="submit"] {
    padding: 10px 28px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    border-radius: var(--md-radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--md-transition);
}
#comment-form button[type="submit"]:hover,
#comment-form input[type="submit"]:hover {
    background: var(--md-primary-light);
    box-shadow: var(--md-shadow-md);
    transform: translateY(-1px);
}

/* ------------------
 * secondary (sidebar)
 * --------------- */
#secondary {
    padding-top: 15px;
    word-wrap: break-word;
}
.widget {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--md-surface-container-low);
    border-radius: var(--md-radius-md);
    border: 1px solid var(--md-outline-variant);
    transition: var(--md-transition);
}
.widget:hover {
    box-shadow: var(--md-shadow-sm);
    border-color: var(--md-primary);
}
.widget h3,
.widget-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--md-on-surface);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--md-primary-container);
}
.widget-list {
    list-style: none;
    padding: 0;
}
.widget-list li {
    margin: 5px 0;
    line-height: 1.7;
}
.widget-list li a {
    color: var(--md-on-surface-variant);
    font-size: 13px;
    border-bottom: none;
    transition: var(--md-transition);
}
.widget-list li a:hover {
    color: var(--md-primary);
    padding-left: 4px;
}

.widget-list li ul {
    margin-left: 15px;
}


/* ------------------
 * Footer 
 * --------------- */
#footer {
    padding: 36px 20px;
    line-height: 1.5;
    text-align: center;
    color: var(--md-on-surface-variant);
    background: var(--md-surface-container);
    border-top: 1px solid var(--md-outline-variant);
    margin-top: 40px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer-container {
    max-width: 800px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
}

.footer-column {
    text-align: left;
    min-width: 180px;
}

.footer-column h3 {
    font-size: 14px;
    color: var(--md-primary-light);
    margin: 0 0 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.footer-column a {
    color: var(--md-on-surface-variant);
    text-decoration: none;
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    gap: 6px;
    transition: var(--md-transition);
    border-radius: 4px;
    border-bottom: none;
}

.footer-column a:hover {
    color: var(--md-primary-light);
    padding-left: 4px;
}

.footer-column img {
    width: 16px;
    height: 16px;
    object-fit: contain;
    vertical-align: middle;
    border-radius: 3px;
}

.footer-copyright {
    border-top: 1px solid var(--md-outline-variant);
    padding-top: 15px;
    font-size: 12px;
    color: var(--md-outline);
}

.footer-copyright a {
    color: var(--md-on-surface-variant);
    text-decoration: none;
    transition: var(--md-transition);
    border-bottom: none;
}

.footer-copyright a:hover {
    color: var(--md-primary-light);
}


/* -----------------
 * Error / Empty page
 * -------------- */
.error-page {
    margin-top: 100px;
    margin-bottom: 100px;
    text-align: center;
}
.error-page h1 {
    font-size: 3em;
    color: var(--md-primary);
    font-weight: 700;
}
.error-page p {
    color: var(--md-on-surface-variant);
}

/* Empty search results */
.no-results {
    text-align: center;
    padding: 60px 20px;
}
.no-results-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}
.no-results h2 {
    font-size: 1.4em;
    color: var(--md-on-surface);
    margin-bottom: 8px;
    font-weight: 600;
}
.no-results p {
    color: var(--md-on-surface-variant);
    font-size: 0.95em;
}


/* -----------------
 * Content format
 *--------------- */
.post-content, .comment-content {
    line-height: 1.7;
    word-wrap: break-word;
}
.post-content h2, .comment-content h2 {
    font-size: 1.28571em;
}
.post-content img, .comment-content img,
.post-content video, .comment-content video {
    max-width: 100%;
    border-radius: var(--md-radius-md);
}
.post-content a img,
.comment-content a img {
    background: var(--md-surface);
    position: relative;
    bottom: -4px;
}
.post-content hr, .comment-content hr {
    margin: 2em auto;
    width: 100px;
    border: none;
    border-top: 2px solid var(--md-primary-container);
}

/* -----------------
 * Misc
 *--------------- */
.aligncenter, div.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.alignleft {
    float: left;
}
.alignright {
    float: right;
}
img.alignleft {
    margin: 0 15px 0 0;
}
img.alignright {
    margin: 0 0 0 15px;
}


/* -----------------
 * Responsive
 *--------------- */
@media (max-width: 767px) {
  body {
    font-size: 81.25%;
  }
  #nav-menu a {
    float: none;
    display: inline-block;
    margin: 0 -2px;
    font-size: 12px;
    padding: 0 12px;
    height: 32px;
    line-height: 32px;
  }
  .footer-links {
    flex-direction: column;
    align-items: center;
  }
  .footer-column {
    text-align: center;
  }
}

@media (max-width: 768px) {
  #header,
  .post-title,
  .post-meta {
    text-align: center;
  }
  .widget {
    padding: 16px;
  }
}

@media (min-width: 992px) {

}

@media (min-width: 1200px) {
  .container {
    max-width: 952px;
  }
}


/*
* Hide from both screenreaders and browsers: h5bp.com/u
*/
.hidden {
  display: none !important;
  visibility: hidden; }

/*
* Hide only visually, but have it available for screenreaders: h5bp.com/v
*/
.sr-only {
  border: 0;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px; }

/*
* Extends the .sr-only class to allow the element to be focusable
* when navigated to via the keyboard: h5bp.com/p
*/
.sr-only.focusable:active,
.sr-only.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  width: auto; }

/*
* Hide visually and from screenreaders, but maintain layout
*/
.invisible {
  visibility: hidden; }

/* -----------------
 * Scrollbar (MD3 style)
 *--------------- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--md-surface);
}
::-webkit-scrollbar-thumb {
    background: var(--md-outline-variant);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--md-primary);
}

/* -----------------
 * Selection
 *--------------- */
::selection {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

/* -----------------
 * Mobile Sidebar - Slide-in Panel
 *--------------- */
@media (max-width: 991px) {
    #secondary {
        display: block !important;
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px !important;
        height: 100vh;
        overflow-y: auto;
        z-index: 1001;
        background: var(--md-surface);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 20px 16px !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        float: none !important;
    }
    #secondary.sidebar-open {
        right: 0;
    }
    #sidebar-close {
        display: block;
        width: 36px;
        height: 36px;
        border: none;
        border-radius: var(--md-radius-full);
        background: var(--md-surface-container-high);
        color: var(--md-on-surface-variant);
        font-size: 22px;
        cursor: pointer;
        margin-bottom: 16px;
        text-align: center;
        line-height: 32px;
        transition: var(--md-transition);
    }
    #sidebar-close:hover {
        background: var(--md-error);
        color: var(--md-on-primary);
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1000;
        transition: opacity 0.3s ease;
    }
    .sidebar-overlay.active {
        display: block;
    }
    #sidebar-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: none;
        border-radius: var(--md-radius-full);
        background: transparent;
        color: var(--md-on-surface-variant);
        cursor: pointer;
        transition: var(--md-transition);
        float: left;
        font-size: 18px;
        line-height: 1;
        margin-left: 4px;
    }
    #sidebar-toggle:hover {
        background: var(--md-surface-container-high);
        color: var(--md-on-surface);
    }
}

@media (min-width: 992px) {
    #sidebar-toggle {
        display: none !important;
    }
    #sidebar-close {
        display: none !important;
    }
    .sidebar-overlay {
        display: none !important;
    }
}

/* -----------------
 * Comment Login Prompt
 *--------------- */
.comment-login-prompt {
    text-align: center;
    padding: 40px 20px;
    background: var(--md-surface-container-low);
    border-radius: var(--md-radius-lg);
    border: 1px dashed var(--md-outline-variant);
    margin: 20px 0;
}
.comment-login-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.comment-login-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--md-on-surface);
    margin-bottom: 8px;
}
.comment-login-hint {
    font-size: 13px;
    color: var(--md-on-surface-variant);
    margin-bottom: 20px;
    line-height: 1.6;
}
.comment-login-btn {
    display: inline-block;
    padding: 10px 32px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border-radius: var(--md-radius-full);
    font-size: 14px;
    font-weight: 600;
    border: none;
    transition: var(--md-transition);
    text-decoration: none !important;
    border-bottom: none !important;
}
.comment-login-btn:hover {
    background: var(--md-primary-light);
    box-shadow: var(--md-shadow-md);
    transform: translateY(-1px);
    color: var(--md-on-primary) !important;
}
.comment-login-info {
    padding: 10px 14px;
    background: var(--md-surface-container-low);
    border-radius: var(--md-radius-sm);
    font-size: 13px;
    color: var(--md-on-surface-variant);
    margin-bottom: 12px;
}