/* ========================================
   Retro Pixel Game Theme Template
   复古像素游戏主题模板
   ======================================== */

/* CSS Variables - Retro Pixel Theme */
:root {
    --bg-color: #2d1b4e;
    --bg-dark: #1a0f2e;
    --pixel-green: #4ade80;
    --pixel-blue: #60a5fa;
    --pixel-red: #f87171;
    --pixel-yellow: #fbbf24;
    --pixel-purple: #a78bfa;
    --text-light: #f3f4f6;
    --text-dark: #1f2937;
    --border-color: #4b5563;
    --pixel-size: 4px;
    --max-width: 1200px;
    --sidebar-width: 280px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Courier New', 'Microsoft YaHei', monospace;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--bg-dark);
    background-image: 
        linear-gradient(rgba(0,0,0,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    min-height: 100vh;
}

/* Pixel Border Mixin */
.pixel-border {
    border: var(--pixel-size) solid var(--border-color);
    box-shadow: 
        var(--pixel-size) var(--pixel-size) 0 rgba(0,0,0,0.3),
        inset 0 0 0 var(--pixel-size) rgba(255,255,255,0.1);
}

/* Layout */
#divAll {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
}

#divMiddle {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 30px;
    align-items: start;
}

@media (max-width: 1024px) {
    #divMiddle {
        grid-template-columns: 1fr;
    }
}

/* Header - Retro Pixel Style */
#divTop {
    padding: 40px;
    margin-bottom: 30px;
    text-align: center;
    background: linear-gradient(180deg, var(--pixel-blue) 0%, var(--bg-color) 100%);
    border: var(--pixel-size) solid var(--pixel-yellow);
    box-shadow: 
        8px 8px 0 rgba(0,0,0,0.5),
        inset 0 0 0 4px rgba(255,255,255,0.2);
    position: relative;
}

#divTop::before {
    content: '★';
    position: absolute;
    top: 10px;
    left: 20px;
    color: var(--pixel-yellow);
    font-size: 1.5rem;
    animation: twinkle 1s infinite;
}

#divTop::after {
    content: '★';
    position: absolute;
    top: 10px;
    right: 20px;
    color: var(--pixel-yellow);
    font-size: 1.5rem;
    animation: twinkle 1s infinite 0.5s;
}

#BlogTitle {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--pixel-yellow);
    text-shadow: 
        4px 4px 0 var(--pixel-red),
        8px 8px 0 rgba(0,0,0,0.3);
    letter-spacing: 4px;
    text-transform: uppercase;
}

#BlogTitle a {
    color: inherit;
    text-decoration: none;
}

#BlogSubTitle {
    font-size: 1rem;
    color: var(--pixel-green);
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Navigation - Retro Pixel Style */
#divNavBar {
    margin-bottom: 30px;
    padding: 15px;
    background: var(--bg-color);
    border: var(--pixel-size) solid var(--pixel-green);
    box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
}

#divNavBar ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    list-style: none;
}

#divNavBar a {
    display: block;
    padding: 12px 24px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    background: var(--pixel-blue);
    border: 3px solid var(--pixel-yellow);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
    transition: all 0.1s ease;
    position: relative;
}

#divNavBar a:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
    background: var(--pixel-red);
}

#divNavBar a.nav-home {
    background: var(--pixel-green);
}

#divNavBar a::before {
    content: '▶';
    margin-right: 8px;
    color: var(--pixel-yellow);
}

/* Main Content */
#divMain {
    min-width: 0;
}

/* Post Cards - Retro Pixel Style */
.post {
    background: var(--bg-color);
    border: var(--pixel-size) solid var(--pixel-purple);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 8px 8px 0 rgba(0,0,0,0.3);
    position: relative;
    transition: all 0.1s ease;
}

.post:hover {
    transform: translate(2px, 2px);
    box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
}

.post::before {
    content: '◆';
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--bg-dark);
    padding: 0 10px;
    color: var(--pixel-purple);
    font-size: 1.2rem;
}

.post-date {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 15px;
    background: var(--pixel-red);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 2px solid white;
    box-shadow: 3px 3px 0 rgba(0,0,0,0.3);
}

.post-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--pixel-yellow);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.5);
}

.post-title a {
    color: inherit;
    text-decoration: none;
}

.post-title a:hover {
    color: var(--pixel-green);
}

.post-body {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0,0,0,0.2);
    border-left: 4px solid var(--pixel-green);
}

.post-footer {
    font-size: 0.85rem;
    color: var(--pixel-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding-top: 15px;
    border-top: 2px dashed var(--border-color);
}

/* Single Post */
.post.single {
    padding: 35px;
    border-width: var(--pixel-size);
}

.post.single .post-title {
    font-size: 1.8rem;
    color: var(--pixel-red);
}

/* Sidebar - Retro Pixel Style */
#divSidebar {
    position: sticky;
    top: 20px;
}

.function {
    background: var(--bg-color);
    border: var(--pixel-size) solid var(--pixel-blue);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
    position: relative;
}

.function::before {
    content: '⚔';
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--bg-dark);
    padding: 0 10px;
    color: var(--pixel-blue);
    font-size: 1.2rem;
}

.function_t {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pixel-blue);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--pixel-blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

.function_c ul {
    list-style: none;
}

.function li {
    padding: 10px 0;
    border-bottom: 2px dashed rgba(255,255,255,0.1);
    position: relative;
    padding-left: 25px;
}

.function li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--pixel-green);
}

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

.function a {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.function a:hover {
    color: var(--pixel-green);
    padding-left: 5px;
}

/* Pagination - Retro Pixel Style */
.pagebar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.pagebar a,
.pagebar span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    padding: 0 12px;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
    background: var(--pixel-blue);
    border: 3px solid white;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.1s ease;
}

.pagebar a:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
    background: var(--pixel-green);
}

.now-page a,
.pagebar .current {
    background: var(--pixel-red);
    box-shadow: 
        4px 4px 0 rgba(0,0,0,0.3),
        0 0 20px rgba(248, 113, 113, 0.5);
}

/* Comments - Retro Pixel Style */
#divCommentPost {
    background: var(--bg-color);
    border: var(--pixel-size) solid var(--pixel-green);
    padding: 30px;
    margin-top: 40px;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
    position: relative;
}

#divCommentPost::before {
    content: '💬 QUEST';
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--bg-dark);
    padding: 0 15px;
    color: var(--pixel-green);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
}

#txaArticle {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    background: rgba(0,0,0,0.5);
    border: 3px solid var(--pixel-green);
    color: var(--pixel-green);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    box-shadow: inset 4px 4px 0 rgba(0,0,0,0.3);
}

#txaArticle:focus {
    outline: none;
    border-color: var(--pixel-yellow);
}

.button,
input[type="submit"] {
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    background: var(--pixel-red);
    border: 3px solid white;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.button:hover,
input[type="submit"]:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
    background: var(--pixel-yellow);
    color: var(--text-dark);
}

/* Footer - Retro Pixel Style */
#divBottom {
    background: var(--bg-color);
    border: var(--pixel-size) solid var(--pixel-yellow);
    padding: 35px;
    margin-top: 50px;
    text-align: center;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
    position: relative;
}

#divBottom::before {
    content: '★ ★ ★';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-dark);
    padding: 0 20px;
    color: var(--pixel-yellow);
    letter-spacing: 10px;
}

#BlogCopyRight {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#BlogCopyRight a {
    color: var(--pixel-green);
    font-weight: 700;
}

/* Utilities */
.clear {
    clear: both;
}

/* Animations */
@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.post {
    animation: slideRight 0.3s ease forwards;
}

.post:nth-child(1) { animation-delay: 0.05s; }
.post:nth-child(2) { animation-delay: 0.1s; }
.post:nth-child(3) { animation-delay: 0.15s; }
.post:nth-child(4) { animation-delay: 0.2s; }
.post:nth-child(5) { animation-delay: 0.25s; }

/* Responsive */
@media (max-width: 768px) {
    #divAll {
        padding: 15px;
    }
    
    #divTop {
        padding: 30px 20px;
    }
    
    #BlogTitle {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }
    
    #divNavBar a {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
    
    .post {
        padding: 20px;
    }
    
    .post-title {
        font-size: 1.2rem;
    }
    
    .post.single {
        padding: 25px;
    }
    
    .post.single .post-title {
        font-size: 1.5rem;
    }
    
    .function {
        padding: 20px;
    }
    
    #divBottom {
        padding: 25px 20px;
    }
}