/* 个人终端风展示站 - 设计系统 */
:root {
    --bg: #0d1117;
    --bg-panel: #161b22;
    --bg-elevated: #21262d;
    --border: #30363d;
    --green: #3fb950;
    --green-dim: #2ea043;
    --amber: #ffa657;
    --red: #ff7b72;
    --purple: #bc8cff;
    --cyan: #39c5cf;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --text-faint: #6e7681;
    --green-rgb: 63,185,80;
    --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    --font-cjk: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

/* 主题：琥珀 */
body[data-theme="amber"] {
    --bg: #160f08;
    --bg-panel: #201712;
    --bg-elevated: #2b2118;
    --border: #3d3226;
    --green: #ffb454;
    --green-dim: #e39b3e;
    --amber: #ffd28a;
    --red: #ff8d7a;
    --purple: #e5b57d;
    --cyan: #ffcf6e;
    --text: #f2e6d5;
    --text-dim: #b8a88f;
    --text-faint: #8a7a63;
    --green-rgb: 255,180,84;
}

/* 主题：冰蓝 */
body[data-theme="ice"] {
    --bg: #0a141b;
    --bg-panel: #10212b;
    --bg-elevated: #182f3b;
    --border: #2b4654;
    --green: #4fd1ff;
    --green-dim: #38b2e0;
    --amber: #81e6d9;
    --red: #ff8f9a;
    --purple: #9bb8ff;
    --cyan: #8be9fd;
    --text: #d8edf5;
    --text-dim: #8fb0bd;
    --text-faint: #688896;
    --green-rgb: 79,209,255;
}

/* 主题：纯白 */
body[data-theme="light"] {
    --bg: #f6f8fa;
    --bg-panel: #ffffff;
    --bg-elevated: #f0f2f5;
    --border: #d8dee4;
    --green: #116329;
    --green-dim: #1a7f37;
    --amber: #9a6700;
    --red: #cf222e;
    --purple: #8250df;
    --cyan: #0969da;
    --text: #1f2328;
    --text-dim: #59636e;
    --text-faint: #818b98;
    --green-rgb: 17,99,41;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.term-body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    transition: background .2s, color .2s;
}

a { color: var(--cyan); text-decoration: none; transition: color .15s; }
a:hover { color: var(--green); }

/* 左右分栏布局 */
.term-layout { flex: 1; display: flex; width: 100%; max-width: 1280px; margin: 0 auto; }
.term-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    background: var(--bg-panel);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 49px;
    height: calc(100vh - 49px);
    overflow-y: auto;
}
.side-prompt { color: var(--green); font-size: 13px; word-break: break-all; }
.side-title { color: var(--text-faint); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav a {
    color: var(--text-dim);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 14px;
    border-left: 2px solid transparent;
}
.side-nav a .side-d { color: var(--text-faint); margin-right: 6px; }
.side-nav a:hover { color: var(--green); background: var(--bg-elevated); }
.side-nav a.active { color: var(--green); background: var(--bg-elevated); border-left-color: var(--green); }
.side-status { margin-top: auto; font-size: 12px; color: var(--text-faint); word-break: break-all; }

/* 顶栏 */
.term-topbar {
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel);
    position: sticky;
    top: 0;
    z-index: 10;
}
.term-topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 10px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.term-brand { display: flex; align-items: center; gap: 10px; }
.term-avatar pre {
    color: var(--green-dim);
    font-size: 6px;
    line-height: 1.1;
    margin: 0;
    user-select: none;
    text-align: center;
}
.term-prompt { color: var(--green); font-size: 14px; }
.term-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.term-nav a {
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    position: relative;
}
.term-nav a::before { content: "$ "; color: var(--text-faint); }
.term-nav a:hover { color: var(--green); background: var(--bg-elevated); }
.term-nav a.active { color: var(--green); background: var(--bg-elevated); }
.term-nav a.active::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px; bottom: 2px;
    height: 2px;
    background: var(--green);
    animation: blink 1s step-end infinite;
}

/* 顶栏联系方式 */
.term-contact { display: flex; gap: 2px; align-items: center; }
.term-contact a {
    color: var(--text-faint);
    font-size: 12px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
}
.term-contact a::before { content: ""; }
.term-contact a:hover { color: var(--green); border-color: var(--green); background: var(--bg-elevated); }

/* 主题切换按钮 */
.term-theme {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.term-theme::before { content: "▦ "; color: var(--text-faint); }
.term-theme:hover { color: var(--green); border-color: var(--green); }

/* 命令解释器 */
.term-cmd { position: relative; display: inline-flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; margin-left: 8px; padding: 0 8px; transition: border-color .2s; }
.term-cmd:focus-within { border-color: var(--green); }
.term-cmd-prefix { color: var(--text-faint); font-size: 14px; margin-right: 6px; }
.term-cmd input { background: transparent; border: none; outline: none; color: var(--green); font-family: var(--font-mono); font-size: 13px; width: 130px; padding: 6px 0; }
.term-cmd input::placeholder { color: var(--text-faint); }
.term-cmd-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    min-width: 260px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,.5);
    z-index: 20;
    font-size: 12px;
    line-height: 1.5;
    padding: 6px 0;
}
.term-cmd-panel .cp-head { color: var(--text-faint); padding: 4px 12px; border-bottom: 1px solid var(--border); }
.term-cmd-panel .cp-line { padding: 4px 12px; color: var(--text-dim); cursor: default; }
.term-cmd-panel .cp-line .cp-cmd { color: var(--amber); margin-right: 8px; }
.term-cmd-panel .cp-line:hover { background: var(--bg-elevated); color: var(--text); }

/* 公告滚动条 */
.term-ticker {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    white-space: nowrap;
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1;
    display: flex;
    align-items: center;
    padding: 5px 0;
}
.ticker-label {
    flex-shrink: 0;
    background: var(--green);
    color: var(--bg);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    margin: 0 10px;
    border-radius: 2px;
    letter-spacing: 1px;
}
.ticker-text {
    display: inline-block;
    color: var(--text-dim);
    animation: tickerScroll 18s linear infinite;
}
@keyframes tickerScroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* 状态栏 */
.term-statusbar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 6px 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    font-size: 12px;
    color: var(--text-faint);
    border-bottom: 1px solid var(--border);
}
.sb-item { padding: 0 4px; }
.sb-path .sb-cur { color: var(--green); }

/* 主区域 */
.term-main {
    flex: 1;
    width: 100%;
    min-width: 0;
    padding: 40px 32px 60px;
}

/* 终端窗口 */
.term-window {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 28px;
}
.term-window .win-bar {
    background: var(--bg-elevated);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-dim);
}
.term-window .win-bar .dots { display: flex; gap: 6px; }
.term-window .win-bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.term-window .win-bar .dot-r { background: #ff5f56; }
.term-window .win-bar .dot-y { background: #ffbd2e; }
.term-window .win-bar .dot-g { background: #27c93f; }
.term-window .win-bar .win-title { margin-left: 8px; }
.term-window .win-body { padding: 24px; }

/* 命令提示行 */
.term-line { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; word-break: break-all; }
.term-line .prompt { color: var(--green); }
.term-line .cmd { color: var(--amber); }

/* 打字机 */
.typewriter { min-height: 6em; }
.typewriter .cursor { display: inline-block; width: 10px; height: 1.2em; background: var(--green); vertical-align: text-bottom; margin-left: 2px; animation: blink 1s step-end infinite; }

/* 首页 */
.hero-row { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
.ascii-art pre { color: var(--green-dim); font-size: 11px; line-height: 1.25; margin: 0; user-select: none; }
.hero-text { flex: 1; min-width: 260px; }
.hero-title { font-size: clamp(24px, 4vw, 40px); font-weight: 700; color: var(--green); margin-bottom: 8px; }
.hero-sub { color: var(--text-dim); font-size: 16px; margin-bottom: 24px; }
.hero-sub .hl { color: var(--cyan); }
.term-dimmer { color: var(--text-faint); }
.home-projects .section-title { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }
.home-projects .section-title span { color: var(--amber); }

/* 关于我 */
.cat-head { font-size: 14px; color: var(--text-dim); margin-bottom: 16px; }
.cat-head .cmd { color: var(--amber); }
.about-intro { font-family: var(--font-cjk); font-size: 15px; color: var(--text); white-space: pre-line; margin-bottom: 8px; }
.about-intro + .about-intro { margin-top: 8px; }
.section-title { font-size: 14px; color: var(--text-dim); margin: 32px 0 16px; }
.section-title span { color: var(--amber); }

/* 技能 apt 风格 */
.skill-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.skill-item { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 6px; padding: 10px 14px; font-size: 13px; color: var(--text); display: flex; justify-content: space-between; }
.skill-item .tag { color: var(--text-faint); }
.skill-item .name { color: var(--green); }

/* 时间线 */
.timeline { border-left: 2px solid var(--border); margin-left: 6px; padding-left: 24px; }
.timeline-item { position: relative; padding-bottom: 24px; }
.timeline-item::before {
    content: "";
    position: absolute; left: -31px; top: 6px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--green); border: 2px solid var(--bg);
}
.timeline-item .period { color: var(--text-faint); font-size: 13px; }
.timeline-item .title { color: var(--cyan); font-size: 15px; margin: 2px 0 6px; }
.timeline-item .desc { color: var(--text-dim); font-size: 14px; font-family: var(--font-cjk); }

/* 作品卡片 */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.project-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, transform .2s, box-shadow .2s; }
.project-card:hover { border-color: var(--green); transform: translateY(-3px); box-shadow: 0 0 0 1px rgba(var(--green-rgb),.25), 0 8px 24px rgba(0,0,0,.4); }
.project-card:hover .card-bar { background: var(--bg-elevated); }
.project-card:hover .p-title { text-shadow: 0 0 8px rgba(var(--green-rgb),.35); }
.project-card .card-bar { background: var(--bg-elevated); padding: 8px 14px; display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); }
.project-card .card-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.project-card .card-bar .dot-r { background: #ff5f56; }
.project-card .card-bar .dot-y { background: #ffbd2e; }
.project-card .card-bar .dot-g { background: #27c93f; }
.project-card .card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.project-card .p-title { color: var(--green); font-size: 17px; font-weight: 700; }
.project-card .p-desc { color: var(--text-dim); font-size: 14px; font-family: var(--font-cjk); flex: 1; }
.project-card .p-tech { font-size: 12px; color: var(--purple); }
.project-card .p-tech .prefix { color: var(--text-faint); }
.project-card .p-link { font-size: 13px; }
.project-card .p-link a { color: var(--cyan); }
.project-card .p-link a:hover { color: var(--green); }

/* 空状态 */
.empty-state { background: var(--bg-panel); border: 1px dashed var(--border); border-radius: 8px; padding: 40px; text-align: center; color: var(--text-dim); font-size: 14px; }
.empty-state .cmd { color: var(--amber); }

/* 页脚 */
.term-footer { border-top: 1px solid var(--border); background: var(--bg-panel); }
.term-footer-inner { max-width: 960px; margin: 0 auto; padding: 20px 24px; font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 4px; }
.term-footer-line.system { color: var(--text-faint); }
.term-status { color: var(--green); }
.term-value { color: var(--text-dim); }
.term-sep { margin: 0 8px; color: var(--text-faint); }
.term-footer-line a { color: var(--cyan); }
.term-footer-line a:hover { color: var(--green); }

/* 动画 */
@keyframes blink { 50% { opacity: 0; } }

/* 响应式 */
@media (max-width: 900px) {
    .term-sidebar { display: none; }
    .term-topbar-inner { max-width: 100%; }
}
@media (max-width: 640px) {
    .term-topbar-inner { flex-direction: column; align-items: flex-start; }
    .term-main { padding: 24px 16px 40px; }
    .term-window .win-body { padding: 16px; }
    .project-grid { grid-template-columns: 1fr; }
    .term-cmd { width: 100%; margin-left: 0; }
    .term-cmd input { flex: 1; width: auto; }
    .ascii-art pre { font-size: 9px; }
    .term-statusbar { padding: 6px 16px; }
}