/*
Theme Name: WhisperWind
Theme URI: https://wujie.me
Author: Wujie
Author URI: https://wujie.me
Description: 轻语微风 (WhisperWind) - 一个简洁、舒适、宁静的WordPress经典主题。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: whisperwind
Tags: two-columns, right-sidebar, clean, minimalist
*/

/* Reset & Basic Styles */
:root {
    --bg-color: #FDFCF8;
    --text-color: #4A4A4A;
    --heading-color: #2C3E50;
    --link-color: #6C7A89;
    --link-hover-color: #8F9AA3;
    --border-color: #ECEBE6;
    --meta-color: #959595;
    --input-bg: #FFFFFF;
    --code-bg: #F5F4F0;
    --search-btn-bg: #6C7A89;
    --search-btn-text: #FFFFFF;
    --search-btn-hover-bg: #2C3E50;
    --search-btn-hover-text: #FFFFFF;
    --pagination-hover-bg: #2C3E50;
    --pagination-hover-text: #FFFFFF;
    --container-width: 960px;
    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #d1d5db;
        --heading-color: #f3f4f6;
        --link-color: #9ca3af;
        --link-hover-color: #d1d5db;
        --border-color: #374151;
        --meta-color: #9ca3af;
        --input-bg: #1f2937;
        --code-bg: #252529;
        --search-btn-bg: #374151;
        --search-btn-text: #e5e7eb;
        --search-btn-hover-bg: #4B5563;
        --search-btn-hover-text: #FFFFFF;
        --pagination-hover-bg: #374151;
        --pagination-hover-text: #e5e7eb;
    }

    img {
        opacity: 0.85;
        transition: opacity 0.3s ease;
    }
    
    img:hover {
        opacity: 1;
    }
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-base);
    line-height: 1.7;
    margin: 0;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--link-hover-color);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
    line-height: 1.3;
}

p {
    margin-bottom: 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout */
.site-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    padding: 60px 0 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.site-title {
    font-size: 2.2rem;
    margin: 0;
    font-weight: normal;
    letter-spacing: 1px;
}

.site-title a {
    color: var(--heading-color);
}

.site-description {
    color: var(--meta-color);
    font-size: 1rem;
    margin-top: 10px;
    font-weight: 300;
}

.site-main {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-bottom: 60px;
}

.content-area {
    width: 68%;
}

.sidebar {
    width: 28%;
}

@media (max-width: 768px) {
    .content-area, .sidebar {
        width: 100%;
    }
    .sidebar {
        margin-top: 50px;
    }
}

.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    color: var(--meta-color);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Post Styles */
.post {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px dashed var(--border-color);
}

.post:last-child {
    border-bottom: none;
}

.entry-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.entry-meta {
    font-size: 0.9rem;
    color: var(--meta-color);
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
}

.entry-content {
    margin-bottom: 20px;
}

.read-more {
    display: inline-block;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--link-color);
    padding-bottom: 2px;
}

/* Sidebar Widgets */
.widget {
    margin-bottom: 40px;
}

.widget-title {
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--meta-color);
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget ul li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--code-bg);
}

.widget ul li:last-child {
    border-bottom: none;
}

/* Forms & Comments */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

input:focus, textarea:focus {
    border-color: var(--link-color);
}

.search-form {
    display: flex;
}

.search-submit {
    background: var(--search-btn-bg);
    color: var(--search-btn-text);
    border: none;
    padding: 0 15px;
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: -1px; /* visual merge */
    transition: background-color 0.2s ease;
}

.search-submit:hover {
    background: var(--search-btn-hover-bg);
    color: var(--search-btn-hover-text);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.comment-body {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.comment-meta {
    font-size: 0.9rem;
    color: var(--meta-color);
    margin-bottom: 10px;
}

.comment-respond {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.form-submit {
    margin-top: 20px;
}

.submit {
    background: transparent;
    border: 1px solid var(--link-color);
    color: var(--link-color);
    padding: 8px 25px;
    cursor: pointer;
    transition: all 0.2s;
}

.submit:hover {
    background: var(--link-color);
    color: #fff;
}

/* Pagination */
.posts-navigation,
.post-navigation,
.pagination {
    margin-top: 40px;
    border-top: 1px solid var(--border-color); /* Optional: distinct separation */
    padding-top: 30px;
}

.nav-links {
    display: flex;
    justify-content: space-between; /* Fallback */
    width: 100%;
}

.nav-previous {
    margin-right: auto;
}

.nav-next {
    margin-left: auto;
}

.nav-links a, 
.nav-links span.page-numbers,
.nav-links span.current {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.nav-links a:hover,
.nav-links span.current {
    background: var(--pagination-hover-bg);
    color: var(--pagination-hover-text);
    border-color: var(--pagination-hover-bg);
}

/* Menu */
.main-navigation {
    position: relative;
    z-index: 100;
}

.main-navigation ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Top Level Menu */
.main-navigation > ul {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.main-navigation > ul > li {
    position: relative;
}

.main-navigation a {
    display: block;
    color: var(--text-color);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-decoration: none;
    padding: 5px 0;
}

.main-navigation a:hover {
    color: var(--link-color);
}

/* Sub Menus */
.main-navigation ul ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; /* Or use a negative value to center relative to parent if needed, but left:0 is standard */
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    min-width: 180px;
    z-index: 999;
    text-align: left;
    margin-top: 10px; /* Small gap */
}

/* Bridge to keep hover active */
.main-navigation ul ul::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    height: 10px;
}

.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul {
    display: block;
}

.main-navigation ul ul li {
    display: block;
    width: 100%;
}

.main-navigation ul ul a {
    padding: 12px 20px;
    border-bottom: 1px solid var(--code-bg);
    text-transform: none; /* Optional: make sub-items normal case */
    font-size: 0.85rem;
}

.main-navigation ul ul li:last-child a {
    border-bottom: none;
}

.main-navigation ul ul a:hover {
    background: var(--code-bg);
    color: var(--heading-color);
}

/* Utilities */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}