/* 大鱼短剧挂载 · 多巴胺设计（Dopamine Design）
   规范见 docs/网页UI设计规范.md：深色基底 + 六色霓虹、零灰色、胶囊按钮、彩色阴影。
   本文件只负责视觉；倾斜按压与星星火花在 assets/dopa.js。 */

:root {
  --dopa-bg: #1a0a2e;
  --dopa-surface: #2a1545;
  --dopa-input: #1a0a2e;
  --dopa-pink: #ff006e;
  --dopa-purple: #8338ec;
  --dopa-yellow: #ffbe0b;
  --dopa-blue: #3a86ff;
  --dopa-mint: #06d6a0;
  --dopa-orange: #fb5607;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, .66);
  --faint: rgba(255, 255, 255, .3);
  --ink: #1a0a2e;
  --ease: cubic-bezier(.34, 1.56, .64, 1);
  --radius: 24px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(560px 360px at 108% -6%, rgba(131, 56, 236, .38), transparent 62%),
    radial-gradient(520px 420px at -12% 104%, rgba(255, 0, 110, .24), transparent 62%),
    var(--dopa-bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--dopa-blue); text-decoration: none; transition: color .3s var(--ease); }
a:hover { color: var(--dopa-yellow); }

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 190, 11, .6);
}

/* ---------- 导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 10, 46, .88);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid rgba(255, 0, 110, .3);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--text);
}
.brand:hover { color: var(--text); }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--dopa-pink), var(--dopa-purple));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(255, 0, 110, .45), 0 2px 0 #b3004d;
}

.nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 700; }
.nav a { color: var(--muted); }
.nav a.active { color: var(--dopa-pink); }
.nav a:hover { color: var(--dopa-yellow); text-decoration: none; }

.wrap {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
}

main { padding: 44px 0 72px; }

/* ---------- 卡片 ---------- */

.card {
  --a: var(--dopa-pink);
  --a-soft: rgba(255, 0, 110, .32);
  --a-dark: #b3004d;
  background: var(--dopa-surface);
  border: 2px solid var(--a-soft);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 8px 24px var(--a-soft), 0 3px 0 var(--a-dark);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.card:nth-of-type(2n) { --a: var(--dopa-purple); --a-soft: rgba(131, 56, 236, .34); --a-dark: #5c24a8; }
.card:nth-of-type(3n) { --a: var(--dopa-mint); --a-soft: rgba(6, 214, 160, .3); --a-dark: #039e76; }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px var(--a-soft), 0 3px 0 var(--a-dark);
}

.card + .card { margin-top: 22px; }

h1 {
  font-size: 38px;
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.02em;
  margin: 0 0 10px;
  text-shadow: 0 0 26px rgba(255, 0, 110, .4);
}

h2 {
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--dopa-mint);
  margin: 0 0 12px;
}

.lead { color: rgba(255, 255, 255, .72); margin: 0 0 24px; }

label { display: block; font-size: 13px; font-weight: 800; letter-spacing: .04em; margin: 18px 0 8px; color: rgba(255, 255, 255, .82); }

/* ---------- 输入框 ---------- */

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
input:not([type]) {
  width: 100%;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: var(--dopa-input);
  border: 2px solid rgba(58, 134, 255, .32);
  border-radius: 16px;
  outline: none;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

input::placeholder { color: var(--faint); }

input:focus {
  border-color: var(--dopa-blue);
  box-shadow: 0 0 0 4px rgba(58, 134, 255, .25);
}

.hint { color: var(--muted); font-size: 13px; margin-top: 8px; }

/* ---------- 按钮 ---------- */

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 900;
  color: #fff;
  cursor: pointer;
  background: var(--dopa-pink);
  box-shadow: 0 6px 20px rgba(255, 0, 110, .45), 0 2px 0 #b3004d;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
  will-change: rotate;
}

button:hover, .btn:hover {
  transform: scale(1.05);
  text-decoration: none;
  color: #fff;
  box-shadow: 0 10px 28px rgba(255, 0, 110, .6), 0 2px 0 #b3004d;
}

button:active, .btn:active { transform: scale(.95); }

.btn-ghost {
  background: transparent;
  color: var(--dopa-blue);
  border: 2px solid var(--dopa-blue);
  box-shadow: 0 6px 18px rgba(58, 134, 255, .28), 0 2px 0 #2660b3;
}
.btn-ghost:hover {
  background: rgba(58, 134, 255, .14);
  color: #fff;
  box-shadow: 0 10px 26px rgba(58, 134, 255, .45), 0 2px 0 #2660b3;
}

button:disabled {
  cursor: not-allowed;
  transform: none;
  opacity: .5;
  box-shadow: none;
  filter: saturate(.7);
}

.actions { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 提示条 ---------- */

.msg {
  margin-top: 18px;
  padding: 13px 18px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 700;
  display: none;
}
.msg.show { display: block; }
.msg.ok {
  background: var(--dopa-mint);
  color: var(--ink);
  border: 2px solid #039e76;
  box-shadow: 0 6px 18px rgba(6, 214, 160, .35), 0 2px 0 #039e76;
}
.msg.err {
  background: var(--dopa-orange);
  color: #fff;
  border: 2px solid #b33d05;
  box-shadow: 0 6px 18px rgba(251, 86, 7, .38), 0 2px 0 #b33d05;
}

/* ---------- 步骤 / 版本信息 ---------- */

.steps { margin: 24px 0 0; padding-left: 22px; color: var(--muted); font-size: 14px; }
.steps li { margin: 10px 0; padding-left: 4px; }
.steps li::marker { color: var(--dopa-yellow); font-weight: 900; }

.version-box {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px 18px;
  font-size: 14px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 2px solid rgba(255, 255, 255, .1);
}
.version-box dt { color: var(--dopa-blue); font-weight: 800; }
.version-box dd { margin: 0; word-break: break-all; font-family: Consolas, monospace; color: rgba(255, 255, 255, .86); }

code {
  background: rgba(58, 134, 255, .16);
  color: #cfe0ff;
  border-radius: 8px;
  padding: 2px 7px;
  font-family: Consolas, monospace;
  font-size: 13px;
}

pre {
  background: var(--dopa-input);
  border: 2px solid rgba(58, 134, 255, .28);
  border-radius: 16px;
  padding: 16px;
  color: rgba(255, 255, 255, .86);
  font-family: Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0 0 16px;
}

footer {
  border-top: 2px solid rgba(255, 0, 110, .22);
  color: rgba(255, 255, 255, .42);
  font-size: 13px;
  padding: 22px 0 36px;
}

.hidden { display: none !important; }

/* ---------- 星星火花 ---------- */

.dopa-spark {
  position: fixed;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  pointer-events: none;
  z-index: 9999;
  will-change: transform, opacity;
}

/* ---------- 响应式 ---------- */

@media (max-width: 560px) {
  h1 { font-size: 30px; }
  h2 { font-size: 20px; }
  .card { padding: 22px; }
  main { padding: 26px 0 52px; }
  .nav { gap: 14px; font-size: 13px; }
  .version-box { grid-template-columns: 1fr; gap: 4px 0; }
  .actions { gap: 12px; }
  button, .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .dopa-spark { display: none; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}