/* BuwaWA AI · AI 绘图灵感画廊 · 深色主题（PromptBase 风格排版） */
:root {
  color-scheme: dark;
  --primary: #ec4899;
  --primary-hover: #f472b6;
  --primary-soft: rgba(236, 72, 153, .12);
  --primary-border: rgba(236, 72, 153, .38);
  --text: #f0f2f8;
  --text-muted: #9aa1b4;
  --bg: #0e1016;
  --bg2: #12141d;
  --surface: #171a24;
  --surface2: #1d212e;
  --border: #262b3a;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, .5);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(236, 72, 153, .35); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2c3242; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #3a4256; }
.container { max-width: 1800px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 16, 22, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { display: flex; align-items: center; gap: 8px; flex: none; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
}
.logo-text { font-size: 18px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; }
.logo-text i { font-style: normal; color: var(--primary); }
.header-search {
  flex: 1; max-width: 440px; margin: 0 auto;
  display: flex; align-items: center; gap: 8px;
  background: var(--surface2); border: 1px solid var(--border); border-radius: 999px;
  padding: 0 14px; transition: border-color .15s;
}
.header-search:focus-within { border-color: var(--primary); }
.header-search svg { color: var(--text-muted); flex: none; }
.header-search input {
  flex: 1; border: 0; outline: 0; background: transparent;
  padding: 8px 0; font-size: 13.5px; color: var(--text); min-width: 0;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-nav { display: flex; align-items: center; gap: 4px; flex: none; margin-left: auto; }
.nav-link { padding: 7px 13px; border-radius: 8px; font-size: 14px; color: var(--text-muted); transition: .15s; background: none; border: 0; }
.nav-link:hover { color: var(--primary-hover); background: var(--primary-soft); }
.lang-btn {
  border: 1px solid var(--primary-border); border-radius: 999px;
  color: var(--primary-hover); font-weight: 600; font-size: 12.5px;
  padding: 4px 12px; background: transparent; transition: .15s;
}
.lang-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.login-btn { background: var(--primary); border-radius: 999px; color: #fff; font-weight: 600; font-size: 12.5px; padding: 6px 16px; }
.login-btn:hover { background: var(--primary-hover); color: #fff; }
.logout-btn { color: var(--text-muted); font-size: 12.5px; }
.credits-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--primary-soft); border: 1px solid var(--primary-border);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; font-weight: 600; color: var(--primary-hover);
  transition: .15s;
}
.credits-badge:hover { border-color: var(--primary); }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 44px;
  background:
    radial-gradient(700px 340px at 50% -80px, rgba(236, 72, 153, .16), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero h1 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; letter-spacing: -.6px; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero-desc { max-width: 600px; margin: 14px auto 0; color: var(--text-muted); font-size: 15.5px; }
.search-box {
  display: flex; align-items: center; gap: 10px;
  max-width: 600px; margin: 26px auto 0; padding: 0 18px;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: 999px;
  box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s;
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(236, 72, 153, .15); }
.search-box svg { color: var(--text-muted); flex: none; }
.search-box input { flex: 1; border: 0; outline: 0; padding: 14px 0; font-size: 15px; background: transparent; color: var(--text); }
.search-box input::placeholder { color: var(--text-muted); }
.hero-chips {
  margin: 26px auto 0;
  display: flex; flex-wrap: nowrap; justify-content: flex-start; gap: 10px;
  width: max-content; max-width: 100%;
  overflow-x: auto; padding: 2px 4px;
  scrollbar-width: none;
}
.hero-chips::-webkit-scrollbar { display: none; }
.hchip {
  flex: none;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: 999px; font-size: 13.5px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); transition: .15s; white-space: nowrap;
}
.hchip b { font-weight: 600; }
.hchip span { font-size: 11.5px; color: var(--text-muted); }
.hchip:hover { border-color: var(--primary-border); background: var(--primary-soft); }
.hchip:hover span { color: var(--primary-hover); }
.hchip.active { background: var(--primary); border-color: var(--primary); }
.hchip.active span { color: rgba(255, 255, 255, .8); }
.hero-stats { margin-top: 24px; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 30px; }
.hero-stats b { font-size: 17px; color: var(--primary-hover); }
.hero-stats span { font-size: 13px; color: var(--text-muted); }

/* ---------- Sections ---------- */
.section { padding: 40px 0 8px; }
.section-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.section-head h2 { font-size: 21px; font-weight: 700; letter-spacing: -.3px; }
.section-count { font-size: 13px; color: var(--text-muted); }

/* ---------- Featured strip ---------- */
.featured-wrap { margin-bottom: 26px; }
.featured-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.featured-head h3 { font-size: 16px; font-weight: 700; }
.featured-head span { font-size: 12.5px; color: var(--text-muted); }
.featured-strip {
  display: grid; grid-auto-flow: column; grid-auto-columns: 200px;
  gap: 12px; overflow-x: auto; padding-bottom: 8px;
  scrollbar-width: thin;
}
.featured-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4 / 3; border: 1px solid var(--border); padding: 0;
  cursor: pointer; background: var(--surface); box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.featured-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary-border); }
.featured-card img { width: 100%; height: 100%; object-fit: cover; }
.featured-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.66) 100%); }
.featured-title {
  position: absolute; left: 10px; right: 10px; bottom: 8px; z-index: 1;
  color: #fff; font-size: 12.5px; font-weight: 600; text-align: left;
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-star {
  position: absolute; top: 8px; left: 8px; z-index: 1;
  background: rgba(23, 26, 36, .88); color: var(--primary-hover);
  font-size: 11.5px; font-weight: 700; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--primary-border);
}

/* ---------- Toolbar ---------- */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 6px 14px; border-radius: 999px; font-size: 13px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-muted);
  transition: .15s; white-space: nowrap;
}
.chip:hover { border-color: var(--primary-border); color: var(--primary-hover); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-right select {
  padding: 7px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); font-size: 13px; color: var(--text); outline: none; max-width: 160px;
  cursor: pointer;
}
.toolbar-right select:focus { border-color: var(--primary); }
.feat-toggle { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); cursor: pointer; user-select: none; }
.feat-toggle input { accent-color: var(--primary); width: 15px; height: 15px; cursor: pointer; }

/* ---------- Case grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.case-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s, border-color .15s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-border); }
.case-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--surface2); cursor: pointer; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.case-card:hover .case-media img { transform: scale(1.04); }
.case-badge {
  position: absolute; top: 8px; left: 8px;
  background: rgba(14, 16, 22, .82); color: #fff;
  font-size: 11.5px; font-weight: 600; padding: 2px 9px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.case-star {
  position: absolute; top: 8px; right: 8px;
  background: rgba(14, 16, 22, .82); color: var(--primary-hover);
  font-size: 11.5px; font-weight: 700; padding: 2px 9px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.case-price {
  position: absolute; bottom: 8px; right: 8px;
  background: var(--primary); color: #fff;
  font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}
.case-body { padding: 11px 13px 13px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.case-title {
  font-size: 14px; font-weight: 600; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.8em;
}
.case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px; color: var(--text-muted); background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 6px;
}
.case-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.case-cat { font-size: 12px; color: var(--primary-hover); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.case-actions { display: flex; gap: 6px; flex: none; }

/* ---------- Buttons ---------- */
.btn { border: 0; border-radius: 8px; font-size: 13.5px; padding: 9px 18px; transition: .15s; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-primary { background: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary.copied { background: #10b981; }
.btn-soft { background: transparent; border: 1px solid var(--border); color: var(--text-muted); font-weight: 500; }
.btn-soft:hover { border-color: var(--primary-border); color: var(--primary-hover); }
.btn-mini {
  background: var(--primary-soft); color: var(--primary-hover);
  border: 1px solid var(--primary-border);
  padding: 5px 11px; font-size: 12px; border-radius: 7px; font-weight: 600;
}
.btn-mini:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Empty / load more ---------- */
.empty-state { text-align: center; padding: 60px 0 40px; color: var(--text-muted); }
.empty-state p { margin-bottom: 14px; font-size: 14.5px; }
.load-more-wrap { text-align: center; padding: 24px 0 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 52px; background: var(--bg2); }
.footer-cols {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr;
  gap: 32px; padding: 36px 20px 28px;
}
.footer-brand p { margin-top: 12px; font-size: 13px; color: var(--text-muted); max-width: 320px; line-height: 1.7; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 12px; letter-spacing: .3px; }
.footer-col a {
  display: block; font-size: 13px; color: var(--text-muted);
  padding: 4px 0; transition: .15s; cursor: pointer;
}
.footer-col a:hover { color: var(--primary-hover); }
.footer-col #footerCats a { display: block; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 16px; padding-bottom: 20px;
  font-size: 12.5px; color: var(--text-muted);
}

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-box {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px 22px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
  animation: pop .18s ease-out;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(5, 6, 10, .7); backdrop-filter: blur(4px); }
.modal-panel {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px;
  width: min(960px, 100%); max-height: 90vh; overflow: auto;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
  animation: pop .18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(8px); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border);
  background: rgba(23, 26, 36, .92); color: var(--text); font-size: 20px; line-height: 1;
  box-shadow: var(--shadow-sm); transition: .15s;
}
.modal-close:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.modal-media { background: var(--surface2); min-height: 300px; }
.modal-media img { width: 100%; height: 100%; object-fit: cover; }
.modal-body { padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 12px; }
.modal-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.modal-tags .tag { background: var(--primary-soft); color: var(--primary-hover); border: 1px solid var(--primary-border); }
.modal-body h3 { font-size: 18px; font-weight: 700; line-height: 1.4; }
.prompt-box { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg2); }
.prompt-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; background: var(--surface2); border-bottom: 1px solid var(--border);
  font-size: 12.5px; font-weight: 600; color: var(--text-muted);
}
.prompt-box pre {
  white-space: pre-wrap; word-break: break-word;
  padding: 12px; font-size: 12.8px; line-height: 1.65;
  font-family: ui-monospace, Consolas, "Courier New", monospace;
  max-height: 260px; overflow: auto; color: #c3c9d9;
}

/* ---------- Make Own（制作同款） ---------- */
.makeown-entry { margin-top: auto; text-align: center; }
.makeown-entry .btn-block { font-size: 14.5px; padding: 11px 18px; }
.makeown-entry-hint { margin-top: 8px; font-size: 12px; color: var(--text-muted); }
.create-box { max-width: 420px; }
.create-case {
  display: flex; align-items: center; gap: 12px;
  margin-top: 14px; padding: 10px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg2);
}
.create-case img { width: 52px; height: 52px; border-radius: 8px; object-fit: cover; flex: none; }
.create-case-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.create-case-info b {
  font-size: 13.5px; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.create-case-info span { font-size: 12px; color: var(--primary-hover); font-weight: 600; }
.upload-area {
  display: block; margin-top: 12px; cursor: pointer; overflow: hidden;
  border: 1.5px dashed var(--primary-border); border-radius: 12px;
  background: var(--primary-soft); transition: border-color .15s;
}
.upload-area:hover { border-color: var(--primary); }
.upload-empty { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 26px 16px; color: var(--primary-hover); }
.upload-empty span { font-size: 13.5px; font-weight: 600; color: var(--text); }
.upload-empty small { font-size: 11.5px; color: var(--text-muted); }
.upload-preview { position: relative; background: var(--bg2); }
.upload-preview img { width: 100%; max-height: 240px; object-fit: contain; }
.upload-re {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 7px 0;
  text-align: center; font-size: 12px; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.6));
}
.create-info {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 12px; font-size: 13px; color: var(--text-muted);
}
.create-info b { color: var(--primary-hover); }
.create-progress {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 12px; padding: 12px; border-radius: 10px;
  background: var(--primary-soft); color: var(--primary-hover); font-size: 13px; font-weight: 600;
}
.spinner {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 2px solid var(--primary-border); border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.create-result { margin-top: 12px; text-align: center; }
.create-result img {
  width: 100%; max-height: 300px; object-fit: contain;
  border-radius: 10px; border: 1px solid var(--border); background: var(--bg2);
}
.result-actions { display: flex; gap: 8px; justify-content: center; margin-top: 10px; }

/* ---------- 表单通用（登录/注册） ---------- */
.modal-box-sm { max-width: 360px; width: 100%; }
.auth-form { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.auth-form input {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; background: var(--bg2); color: var(--text);
  box-sizing: border-box;
}
.auth-form input:focus { outline: none; border-color: var(--primary); }
.form-error { color: #fb7185; font-size: 12.5px; margin: 0; }
.btn-block { width: 100%; }
.btn-block:disabled { opacity: .6; }
.auth-switch { text-align: center; font-size: 13px; color: var(--text-muted); margin-top: 14px; }
.auth-switch a { color: var(--primary-hover); font-weight: 600; cursor: pointer; }
.pay-balance { font-size: 13.5px; color: var(--text-muted); margin-top: 8px; }
.pay-balance b { color: var(--primary-hover); font-size: 16px; }
.package-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.package-card {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--primary-border); border-radius: 10px; padding: 14px 16px;
  background: var(--primary-soft);
}
.package-credits { font-size: 20px; color: var(--primary-hover); }
.package-unit { font-size: 13px; color: var(--text-muted); }
.pay-note { font-size: 12px; color: var(--text-muted); margin-top: 14px; line-height: 1.6; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 36px; transform: translateX(-50%);
  background: #2a2f40; color: #fff; font-size: 13.5px;
  padding: 9px 20px; border-radius: 999px; z-index: 200;
  border: 1px solid #3a4156;
  box-shadow: var(--shadow-md); animation: toastIn .2s ease-out;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .header-search { display: none; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .modal-panel { grid-template-columns: 1fr; max-height: 92vh; }
  .modal-media { aspect-ratio: 4 / 3; min-height: 0; }
  .featured-strip { grid-auto-columns: 160px; }
}
@media (max-width: 600px) {
  .hero { padding: 40px 0 30px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .case-body { padding: 9px 10px 11px; }
  .toolbar-right { width: 100%; }
  .toolbar-right select { flex: 1; max-width: none; }
  .nav-link { padding: 7px 9px; }
  .footer-cols { grid-template-columns: 1fr; gap: 22px; }
}