/*
Theme Name: SU 主题
Theme URI: https://example.com
Author: SU 团队
Author URI: https://example.com
Description: 一个干净易读的WordPress主题，具有多种配色方案和动画效果。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: su-theme
Tags: blog, clean, minimal, responsive, custom-colors, custom-background, custom-header

SU Theme is distributed under the terms of the GNU General Public License v2 or later.
*/

/* Base Styles */
:root {
  --primary-color: #3b82f6;
  --secondary-color: #6366f1;
  --background-color: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #e5e7eb;
  --accent-color: #f97316;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --primary-color: #60a5fa;
  --secondary-color: #818cf8;
  --background-color: #1f2937;
  --text-color: #f9fafb;
  --text-light: #d1d5db;
  --border-color: #374151;
}

/* Typography */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Buttons */
button, .button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background-color: var(--primary-color);
  color: white;
}

button:hover, .button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Forms */
input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  margin-bottom: 1rem;
  transition: var(--transition);
  background-color: var(--background-color);
  color: var(--text-color);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Cards */
.su-card {
  background-color: var(--background-color);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.su-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

/* Container */
.su-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.su-header {
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

/* Footer */
.su-footer {
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 2rem;
  transition: var(--transition);
}

/* Posts */
.su-post {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

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

.su-post-title {
  margin-bottom: 0.5rem;
}

.su-post-meta {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Sidebar */
.su-sidebar {
  padding-left: 1.5rem;
}

.su-widget {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--background-color);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.su-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.su-slide-in {
  animation: slideIn 0.5s ease-out;
}

.su-slide-in-right {
  animation: slideInRight 0.5s ease-out;
}

.su-slide-in-up {
  animation: slideInUp 0.5s ease-out;
}

.su-scale-in {
  animation: scaleIn 0.4s ease-out;
}

.su-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.su-float {
  animation: float 3s ease-in-out infinite;
}

.su-rotate {
  animation: rotate 20s linear infinite;
}

/* Animation Delay Classes */
.su-delay-100 {
  animation-delay: 0.1s;
}

.su-delay-200 {
  animation-delay: 0.2s;
}

.su-delay-300 {
  animation-delay: 0.3s;
}

.su-delay-400 {
  animation-delay: 0.4s;
}

.su-delay-500 {
  animation-delay: 0.5s;
}

/* Animation Fill Mode */
.su-animation-fill {
  animation-fill-mode: forwards;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .su-container {
    max-width: 95%;
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.375rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .su-container {
    padding: 0 1rem;
  }
  
  .su-sidebar {
    padding-left: 0;
    margin-top: 2rem;
  }
  
  /* Mobile Navigation */
  .main-navigation {
    position: relative;
  }
  
  .main-navigation ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 0.5rem 0;
    z-index: 1000;
  }
  
  .main-navigation.toggled ul {
    display: block;
  }
  
  .main-navigation ul li {
    display: block;
    margin: 0;
  }
  
  .main-navigation ul li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .main-navigation ul li a:hover {
    background-color: var(--border-color);
    color: var(--primary-color);
  }
  
  /* Menu Toggle Button */
  .menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 0.5rem;
  }
}

@media (min-width: 769px) {
  .menu-toggle {
    display: none;
  }
  
  .main-navigation ul {
    display: flex !important;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.375rem;
  }
  
  h3 {
    font-size: 1.125rem;
  }
  
  .su-container {
    padding: 0 0.75rem;
  }
  
  .su-card {
    padding: 1.25rem;
  }
  
  .su-widget {
    padding: 1.25rem;
  }
}

/* Utility Classes */
/* Text Alignment */
.su-text-left {
  text-align: left;
}

.su-text-center {
  text-align: center;
}

.su-text-right {
  text-align: right;
}

.su-text-justify {
  text-align: justify;
}

/* Margin Classes */
.su-m-0 {
  margin: 0;
}

.su-m-1 {
  margin: 0.25rem;
}

.su-m-2 {
  margin: 0.5rem;
}

.su-m-4 {
  margin: 1rem;
}

.su-m-8 {
  margin: 2rem;
}

.su-mt-0 {
  margin-top: 0;
}

.su-mt-1 {
  margin-top: 0.25rem;
}

.su-mt-2 {
  margin-top: 0.5rem;
}

.su-mt-4 {
  margin-top: 1rem;
}

.su-mt-8 {
  margin-top: 2rem;
}

.su-mb-0 {
  margin-bottom: 0;
}

.su-mb-1 {
  margin-bottom: 0.25rem;
}

.su-mb-2 {
  margin-bottom: 0.5rem;
}

.su-mb-4 {
  margin-bottom: 1rem;
}

.su-mb-8 {
  margin-bottom: 2rem;
}

.su-ml-0 {
  margin-left: 0;
}

.su-ml-1 {
  margin-left: 0.25rem;
}

.su-ml-2 {
  margin-left: 0.5rem;
}

.su-ml-4 {
  margin-left: 1rem;
}

.su-ml-8 {
  margin-left: 2rem;
}

.su-mr-0 {
  margin-right: 0;
}

.su-mr-1 {
  margin-right: 0.25rem;
}

.su-mr-2 {
  margin-right: 0.5rem;
}

.su-mr-4 {
  margin-right: 1rem;
}

.su-mr-8 {
  margin-right: 2rem;
}

/* Padding Classes */
.su-p-0 {
  padding: 0;
}

.su-p-1 {
  padding: 0.25rem;
}

.su-p-2 {
  padding: 0.5rem;
}

.su-p-4 {
  padding: 1rem;
}

.su-p-8 {
  padding: 2rem;
}

.su-pt-0 {
  padding-top: 0;
}

.su-pt-1 {
  padding-top: 0.25rem;
}

.su-pt-2 {
  padding-top: 0.5rem;
}

.su-pt-4 {
  padding-top: 1rem;
}

.su-pt-8 {
  padding-top: 2rem;
}

.su-pb-0 {
  padding-bottom: 0;
}

.su-pb-1 {
  padding-bottom: 0.25rem;
}

.su-pb-2 {
  padding-bottom: 0.5rem;
}

.su-pb-4 {
  padding-bottom: 1rem;
}

.su-pb-8 {
  padding-bottom: 2rem;
}

.su-pl-0 {
  padding-left: 0;
}

.su-pl-1 {
  padding-left: 0.25rem;
}

.su-pl-2 {
  padding-left: 0.5rem;
}

.su-pl-4 {
  padding-left: 1rem;
}

.su-pl-8 {
  padding-left: 2rem;
}

.su-pr-0 {
  padding-right: 0;
}

.su-pr-1 {
  padding-right: 0.25rem;
}

.su-pr-2 {
  padding-right: 0.5rem;
}

.su-pr-4 {
  padding-right: 1rem;
}

.su-pr-8 {
  padding-right: 2rem;
}

/* Border Classes */
.su-border {
  border: 1px solid var(--border-color);
}

.su-border-t {
  border-top: 1px solid var(--border-color);
}

.su-border-b {
  border-bottom: 1px solid var(--border-color);
}

.su-border-l {
  border-left: 1px solid var(--border-color);
}

.su-border-r {
  border-right: 1px solid var(--border-color);
}

.su-border-none {
  border: none;
}

/* Border Radius Classes */
.su-rounded {
  border-radius: 0.375rem;
}

.su-rounded-lg {
  border-radius: 0.5rem;
}

.su-rounded-xl {
  border-radius: 0.75rem;
}

.su-rounded-full {
  border-radius: 9999px;
}

/* Shadow Classes */
.su-shadow {
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.su-shadow-md {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.su-shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.su-shadow-xl {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.su-shadow-none {
  box-shadow: none;
}

/* Transition Classes */
.su-transition {
  transition: var(--transition);
}

.su-transition-all {
  transition: all 0.3s ease;
}

.su-transition-colors {
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.su-transition-transform {
  transition: transform 0.3s ease;
}

.su-transition-opacity {
  transition: opacity 0.3s ease;
}

/* Text Classes */
.su-text-xs {
  font-size: 0.75rem;
}

.su-text-sm {
  font-size: 0.875rem;
}

.su-text-base {
  font-size: 1rem;
}

.su-text-lg {
  font-size: 1.125rem;
}

.su-text-xl {
  font-size: 1.25rem;
}

.su-text-2xl {
  font-size: 1.5rem;
}

.su-text-3xl {
  font-size: 1.875rem;
}

.su-text-4xl {
  font-size: 2.25rem;
}

.su-text-5xl {
  font-size: 3rem;
}

.su-font-light {
  font-weight: 300;
}

.su-font-normal {
  font-weight: 400;
}

.su-font-medium {
  font-weight: 500;
}

.su-font-semibold {
  font-weight: 600;
}

.su-font-bold {
  font-weight: 700;
}

.su-font-extrabold {
  font-weight: 800;
}

.su-text-primary {
  color: var(--primary-color);
}

.su-text-secondary {
  color: var(--secondary-color);
}

.su-text-accent {
  color: var(--accent-color);
}

.su-text-success {
  color: var(--success-color);
}

.su-text-warning {
  color: var(--warning-color);
}

.su-text-error {
  color: var(--error-color);
}

.su-text-light {
  color: var(--text-light);
}

.su-text-dark {
  color: var(--text-color);
}

.su-text-white {
  color: #ffffff;
}

.su-text-black {
  color: #000000;
}

/* Background Classes */
.su-bg-primary {
  background-color: var(--primary-color);
}

.su-bg-secondary {
  background-color: var(--secondary-color);
}

.su-bg-accent {
  background-color: var(--accent-color);
}

.su-bg-success {
  background-color: var(--success-color);
}

.su-bg-warning {
  background-color: var(--warning-color);
}

.su-bg-error {
  background-color: var(--error-color);
}

.su-bg-light {
  background-color: var(--background-color);
}

.su-bg-dark {
  background-color: var(--text-color);
}

.su-bg-white {
  background-color: #ffffff;
}

.su-bg-black {
  background-color: #000000;
}

/* Layout Classes */
.su-flex {
  display: flex;
}

.su-inline-flex {
  display: inline-flex;
}

.su-block {
  display: block;
}

.su-inline-block {
  display: inline-block;
}

.su-hidden {
  display: none;
}

.su-flex-col {
  flex-direction: column;
}

.su-flex-row {
  flex-direction: row;
}

.su-items-center {
  align-items: center;
}

.su-items-start {
  align-items: flex-start;
}

.su-items-end {
  align-items: flex-end;
}

.su-justify-center {
  justify-content: center;
}

.su-justify-start {
  justify-content: flex-start;
}

.su-justify-end {
  justify-content: flex-end;
}

.su-justify-between {
  justify-content: space-between;
}

.su-justify-around {
  justify-content: space-around;
}

.su-gap-1 {
  gap: 0.25rem;
}

.su-gap-2 {
  gap: 0.5rem;
}

.su-gap-4 {
  gap: 1rem;
}

.su-gap-8 {
  gap: 2rem;
}

.su-w-full {
  width: 100%;
}

.su-w-auto {
  width: auto;
}

.su-w-1\/2 {
  width: 50%;
}

.su-w-1\/3 {
  width: 33.333333%;
}

.su-w-2\/3 {
  width: 66.666667%;
}

.su-w-1\/4 {
  width: 25%;
}

.su-w-3\/4 {
  width: 75%;
}

.su-h-full {
  height: 100%;
}

.su-h-auto {
  height: auto;
}

.su-min-h-full {
  min-height: 100%;
}

.su-min-h-screen {
  min-height: 100vh;
}

/* Display Classes */
.su-show {
  display: block;
}

.su-hide {
  display: none;
}

.su-visible {
  visibility: visible;
}

.su-invisible {
  visibility: hidden;
}

/* Position Classes */
.su-relative {
  position: relative;
}

.su-absolute {
  position: absolute;
}

.su-fixed {
  position: fixed;
}

.su-sticky {
  position: sticky;
}

.su-top-0 {
  top: 0;
}

.su-bottom-0 {
  bottom: 0;
}

.su-left-0 {
  left: 0;
}

.su-right-0 {
  right: 0;
}

/* Z-Index Classes */
.su-z-0 {
  z-index: 0;
}

.su-z-10 {
  z-index: 10;
}

.su-z-20 {
  z-index: 20;
}

.su-z-30 {
  z-index: 30;
}

.su-z-40 {
  z-index: 40;
}

.su-z-50 {
  z-index: 50;
}

.su-z-100 {
  z-index: 100;
}

/* Overflow Classes */
.su-overflow-hidden {
  overflow: hidden;
}

.su-overflow-auto {
  overflow: auto;
}

.su-overflow-x-auto {
  overflow-x: auto;
}

.su-overflow-y-auto {
  overflow-y: auto;
}

/* Cursor Classes */
.su-cursor-pointer {
  cursor: pointer;
}

.su-cursor-default {
  cursor: default;
}

.su-cursor-not-allowed {
  cursor: not-allowed;
}

.su-cursor-wait {
  cursor: wait;
}

.su-cursor-help {
  cursor: help;
}

/* User Select Classes */
.su-select-none {
  user-select: none;
}

.su-select-text {
  user-select: text;
}

.su-select-all {
  user-select: all;
}

.su-select-auto {
  user-select: auto;
}

/* Opacity Classes */
.su-opacity-0 {
  opacity: 0;
}

.su-opacity-25 {
  opacity: 0.25;
}

.su-opacity-50 {
  opacity: 0.5;
}

.su-opacity-75 {
  opacity: 0.75;
}

.su-opacity-100 {
  opacity: 1;
}

/* Transform Classes */
.su-transform {
  transform: transform;
}

.su-scale-90 {
  transform: scale(0.9);
}

.su-scale-95 {
  transform: scale(0.95);
}

.su-scale-100 {
  transform: scale(1);
}

.su-scale-105 {
  transform: scale(1.05);
}

.su-scale-110 {
  transform: scale(1.1);
}

.su-translate-x-0 {
  transform: translateX(0);
}

.su-translate-x-1 {
  transform: translateX(0.25rem);
}

.su-translate-x-2 {
  transform: translateX(0.5rem);
}

.su-translate-x-4 {
  transform: translateX(1rem);
}

.su-translate-y-0 {
  transform: translateY(0);
}

.su-translate-y-1 {
  transform: translateY(0.25rem);
}

.su-translate-y-2 {
  transform: translateY(0.5rem);
}

.su-translate-y-4 {
  transform: translateY(1rem);
}

/* List Classes */
.su-list-none {
  list-style-type: none;
}

.su-list-disc {
  list-style-type: disc;
}

.su-list-decimal {
  list-style-type: decimal;
}

.su-list-inside {
  list-style-position: inside;
}

.su-list-outside {
  list-style-position: outside;
}

/* Table Classes */
.su-table {
  display: table;
  width: 100%;
  border-collapse: collapse;
}

.su-table-auto {
  table-layout: auto;
}

.su-table-fixed {
  table-layout: fixed;
}

.su-border-collapse {
  border-collapse: collapse;
}

.su-border-separate {
  border-collapse: separate;
}

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

.su-not-sr-only {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Print Classes */
@media print {
  .su-print-hidden {
    display: none !important;
  }
  
  .su-print-block {
    display: block !important;
  }
  
  .su-print-inline {
    display: inline !important;
  }
  
  .su-print-inline-block {
    display: inline-block !important;
  }
}

/* Theme Colors */
.theme-light {
  --primary-color: #3b82f6;
  --secondary-color: #6366f1;
  --background-color: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #e5e7eb;
}

.theme-dark {
  --primary-color: #60a5fa;
  --secondary-color: #818cf8;
  --background-color: #1f2937;
  --text-color: #f9fafb;
  --text-light: #d1d5db;
  --border-color: #374151;
}

.theme-emerald {
  --primary-color: #10b981;
  --secondary-color: #059669;
  --background-color: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #e5e7eb;
}

.theme-amber {
  --primary-color: #f59e0b;
  --secondary-color: #d97706;
  --background-color: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #e5e7eb;
}

.theme-rose {
  --primary-color: #ec4899;
  --secondary-color: #db2777;
  --background-color: #ffffff;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #e5e7eb;
}