/* ============================================================
   AI梦工场（即梦风格AI创作平台）v1.0.0  PC端全局样式
   深色科技风 + 紫蓝渐变
   ============================================================ */
:root {
    --bg: #0b0b12;
    --bg2: #12121c;
    --card: #171724;
    --card2: #1d1d2e;
    --border: rgba(255, 255, 255, .08);
    --text: #e8e8f0;
    --text2: #9a9ab0;
    --accent: #7c5cff;
    --accent2: #4f8bff;
    --grad: linear-gradient(135deg, #7c5cff, #4f8bff);
    --danger: #ff5d5d;
    --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 顶栏 ---------- */
.pc-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: 64px;
    background: rgba(11, 11, 18, .82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.pc-header-inner {
    max-width: 1280px; height: 100%; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; gap: 28px;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; letter-spacing: .5px; }
.logo-badge {
    width: 32px; height: 32px; border-radius: 10px;
    background: var(--grad);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: #fff;
    box-shadow: 0 4px 16px rgba(124, 92, 255, .45);
}
.nav { display: flex; gap: 6px; flex: 1; }
.nav a {
    padding: 7px 16px; border-radius: 10px; color: var(--text2);
    transition: all .2s; font-size: 14.5px;
}
.nav a:hover, .nav a.active { color: var(--text); background: rgba(255, 255, 255, .06); }
.header-user { display: flex; align-items: center; gap: 14px; }
.points-pill {
    padding: 5px 14px; border-radius: 999px;
    background: rgba(124, 92, 255, .14); color: #b9a6ff;
    font-size: 13px; font-weight: 600;
}
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 20px; border-radius: 12px; border: none;
    font-size: 14px; font-weight: 600; transition: all .2s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 4px 18px rgba(124, 92, 255, .35); }
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, .06); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.btn-danger { background: rgba(255, 93, 93, .14); color: var(--danger); }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 9px; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; }
.avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--grad); display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 14px; font-weight: 700; overflow: hidden; flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 布局 ---------- */
.pc-main { max-width: 1280px; margin: 0 auto; padding: 88px 24px 60px; }
.page-hero { text-align: center; padding: 26px 0 30px; }
.page-hero h1 { font-size: 34px; font-weight: 800; background: linear-gradient(120deg, #fff, #b9a6ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--text2); margin-top: 8px; font-size: 15px; }

/* ---------- 瀑布流 ---------- */
.masonry { column-count: 4; column-gap: 18px; }
@media (max-width: 1100px) { .masonry { column-count: 3; } }
.work-card {
    break-inside: avoid; margin-bottom: 18px;
    background: var(--card); border-radius: var(--radius);
    border: 1px solid var(--border); overflow: hidden;
    transition: transform .25s, box-shadow .25s;
    cursor: pointer;
}
.work-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0, 0, 0, .5); }
.work-card .media { position: relative; overflow: hidden; background: var(--card2); }
.work-card .media img { width: 100%; transition: transform .4s; }
.work-card:hover .media img { transform: scale(1.04); }
.work-card .type-badge {
    position: absolute; top: 10px; left: 10px;
    padding: 3px 10px; border-radius: 999px; font-size: 12px;
    background: rgba(0, 0, 0, .55); color: #fff; backdrop-filter: blur(6px);
}
.work-card .info { padding: 12px 14px 14px; }
.work-card .title { font-size: 14.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.work-card .meta { display: flex; align-items: center; justify-content: space-between; margin-top: 9px; color: var(--text2); font-size: 12.5px; }
.work-card .author { display: flex; align-items: center; gap: 7px; min-width: 0; }
.work-card .author .avatar { width: 22px; height: 22px; font-size: 11px; }
.work-card .author span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 筛选栏 ---------- */
.filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.filter-bar .chip {
    padding: 7px 18px; border-radius: 999px; font-size: 13.5px;
    background: rgba(255, 255, 255, .05); color: var(--text2);
    border: 1px solid var(--border); cursor: pointer; transition: all .2s;
}
.filter-bar .chip.active, .filter-bar .chip:hover { background: var(--grad); color: #fff; border-color: transparent; }
.filter-bar .search {
    margin-left: auto; display: flex; align-items: center; gap: 0;
    background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.filter-bar .search input { background: transparent; border: none; outline: none; color: var(--text); padding: 8px 14px; width: 220px; font-size: 13.5px; }
.filter-bar .search button { background: var(--grad); border: none; color: #fff; padding: 8px 16px; font-size: 13px; font-weight: 600; }

/* ---------- 创作页 ---------- */
.create-wrap { display: grid; grid-template-columns: 400px 1fr; gap: 24px; align-items: start; }
.create-panel {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px; position: sticky; top: 84px;
}
.create-panel h3 { font-size: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 7px; }
.form-group textarea, .form-group input[type=text], .form-group select {
    width: 100%; background: var(--bg2); border: 1px solid var(--border);
    border-radius: 10px; color: var(--text); padding: 11px 14px; font-size: 14px; outline: none;
    font-family: inherit; transition: border-color .2s;
}
.form-group textarea:focus, .form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-group textarea { min-height: 96px; resize: vertical; }
.model-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.model-tab {
    padding: 7px 16px; border-radius: 999px; font-size: 13px;
    background: rgba(255, 255, 255, .05); color: var(--text2);
    border: 1px solid var(--border); cursor: pointer; transition: all .2s;
}
.model-tab.active { background: var(--grad); color: #fff; border-color: transparent; }
.model-list { display: flex; flex-direction: column; gap: 8px; max-height: 150px; overflow-y: auto; margin-bottom: 16px; }
.model-item {
    padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border);
    cursor: pointer; transition: all .2s; display: flex; justify-content: space-between; align-items: center;
}
.model-item:hover { border-color: var(--accent); }
.model-item.active { border-color: var(--accent); background: rgba(124, 92, 255, .1); }
.model-item .cost { font-size: 12px; color: #b9a6ff; background: rgba(124, 92, 255, .15); padding: 2px 9px; border-radius: 999px; }
.ratio-row { display: flex; gap: 8px; flex-wrap: wrap; }
.ratio-item {
    flex: 1; min-width: 70px; text-align: center; padding: 8px 6px;
    border-radius: 9px; border: 1px solid var(--border); cursor: pointer;
    font-size: 13px; color: var(--text2); transition: all .2s;
}
.ratio-item.active { border-color: var(--accent); color: #b9a6ff; background: rgba(124, 92, 255, .1); }
.ref-upload {
    border: 1.5px dashed var(--border); border-radius: 12px; padding: 22px 12px;
    text-align: center; color: var(--text2); font-size: 13px; cursor: pointer; transition: all .2s;
}
.ref-upload:hover { border-color: var(--accent); color: #b9a6ff; }
.ref-preview { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.ref-preview img { width: 70px; height: 70px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.create-actions { display: flex; gap: 12px; margin-top: 18px; }
.create-actions .btn { flex: 1; padding: 12px; font-size: 15px; }
.tip-line { font-size: 12px; color: var(--text2); margin-top: 12px; text-align: center; }

/* ---------- 结果区 ---------- */
.result-panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); min-height: 560px; position: relative; overflow: hidden; }
.result-empty {
    position: absolute; inset: 0; display: flex; flex-direction: column;
    align-items: center; justify-content: center; color: var(--text2); gap: 14px;
}
.result-empty .icon { font-size: 52px; opacity: .5; }
.result-loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; background: rgba(11, 11, 18, .6); backdrop-filter: blur(4px); z-index: 5; }
.spinner {
    width: 46px; height: 46px; border-radius: 50%;
    border: 3px solid rgba(124, 92, 255, .2); border-top-color: var(--accent);
    animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.result-done { padding: 26px; }
.result-done .res-img { width: 100%; border-radius: 14px; }
.result-done video { width: 100%; border-radius: 14px; background: #000; }
.result-done .res-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.result-done .res-head h3 { font-size: 17px; }
.task-status-bar {
    display: flex; align-items: center; gap: 12px; padding: 12px 18px;
    background: rgba(124, 92, 255, .08); border-radius: 12px; margin-bottom: 16px;
    color: #b9a6ff; font-size: 13.5px;
}
.task-status-bar.err { background: rgba(255, 93, 93, .1); color: var(--danger); }

/* ---------- 详情页 ---------- */
.detail-wrap { display: grid; grid-template-columns: 1fr 360px; gap: 24px; align-items: start; }
.detail-media { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.detail-media img, .detail-media video { width: 100%; }
.detail-side { display: flex; flex-direction: column; gap: 16px; }
.detail-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.detail-card h2 { font-size: 18px; margin-bottom: 6px; }
.detail-card .prompt {
    background: var(--bg2); border-radius: 10px; padding: 12px 14px;
    color: var(--text2); font-size: 13.5px; margin: 12px 0; line-height: 1.7;
}
.like-btn { display: inline-flex; align-items: center; gap: 8px; }
.like-btn.liked { color: #ff6b8a; }
.comment-box { display: flex; gap: 10px; margin-top: 14px; }
.comment-box input {
    flex: 1; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
    padding: 10px 14px; color: var(--text); outline: none; font-size: 13.5px;
}
.comment-list { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.comment-item { display: flex; gap: 10px; }
.comment-item .avatar { width: 30px; height: 30px; font-size: 12px; }
.comment-item .c-body { flex: 1; }
.comment-item .c-name { font-size: 12.5px; color: var(--text2); }
.comment-item .c-text { font-size: 13.5px; margin-top: 2px; }
.comment-item .c-time { font-size: 11.5px; color: var(--text2); margin-top: 3px; }

/* ---------- 我的页 ---------- */
.mine-head {
    display: flex; align-items: center; gap: 22px; background: var(--card);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin-bottom: 22px;
}
.mine-head .avatar { width: 76px; height: 76px; font-size: 28px; border-radius: 22px; }
.mine-stats { display: flex; gap: 34px; margin-left: auto; }
.mine-stats .stat { text-align: center; }
.mine-stats .stat b { display: block; font-size: 22px; }
.mine-stats .stat span { font-size: 12.5px; color: var(--text2); }
.mine-tabs { display: flex; gap: 10px; margin-bottom: 18px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1100px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.grid-item { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: all .2s; }
.grid-item:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0, 0, 0, .4); }
.grid-item .media { aspect-ratio: 1; background: var(--card2); position: relative; }
.grid-item .media img { width: 100%; height: 100%; object-fit: cover; }
.grid-item .g-info { padding: 10px 13px; display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--text2); }
.grid-item .g-del { color: var(--danger); cursor: pointer; }
.grid-item .g-status { position: absolute; top: 8px; right: 8px; padding: 2px 9px; border-radius: 999px; font-size: 11px; background: rgba(0,0,0,.55); color: #fff; }
.list-empty { text-align: center; color: var(--text2); padding: 70px 0; }

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(1200px 600px at 50% -10%, rgba(124, 92, 255, .16), transparent), var(--bg); }
.login-card { width: 400px; background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 38px 34px; }
.login-card .logo { justify-content: center; font-size: 21px; margin-bottom: 6px; }
.login-card .sub { text-align: center; color: var(--text2); font-size: 13px; margin-bottom: 26px; }
.login-card .form-group input { padding: 13px 15px; }
.login-card .btn { width: 100%; padding: 13px; font-size: 15px; margin-top: 6px; }
.login-switch { text-align: center; margin-top: 16px; color: var(--text2); font-size: 13px; }
.login-switch a { color: #b9a6ff; cursor: pointer; }

/* ---------- 提示 ---------- */
.ai-toast {
    position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-12px);
    background: var(--card2); color: var(--text); border: 1px solid var(--border);
    padding: 10px 22px; border-radius: 12px; font-size: 14px; z-index: 999;
    opacity: 0; pointer-events: none; transition: all .3s;
}
.ai-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.ai-toast.err { border-color: rgba(255, 93, 93, .5); color: var(--danger); }
.ai-toast.ok { border-color: rgba(80, 200, 120, .5); color: #6ede8f; }

/* ---------- 页脚 ---------- */
.pc-footer { border-top: 1px solid var(--border); padding: 26px 0 40px; text-align: center; color: var(--text2); font-size: 12.5px; }
.pc-footer a { color: #b9a6ff; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }