/* ============ Cody小神童生成器 · 简约白高级感 ============ */

:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --card: #ffffff;
  --ink: #1a1a1a;
  --muted: #8a8a8a;
  --line: #ececec;
  --line-strong: #e0e0e0;
  --accent: #111111;
  --accent-soft: #f5f5f5;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.06), 0 12px 32px rgba(0, 0, 0, 0.08);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #111; color: #fff; }

/* ---------- 顶栏 ---------- */
.topbar {
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 20px; }
.brand-wrap { display: flex; flex-direction: column; }
.brand { font-size: 19px; font-weight: 700; letter-spacing: 0.2px; color: var(--ink); }
.brand-accent { font-weight: 300; color: var(--ink); }
.sub { font-size: 12px; color: var(--muted); margin-top: 1px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
  letter-spacing: 0.4px;
}
.lang-toggle:hover { background: #eee; }

.topbar-badge {
  font-size: 11.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 0.3px;
}

.top-back {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  white-space: nowrap;
}
.top-back:hover { background: var(--accent-soft); }

/* ---------- 登录门 ---------- */
.login-gate {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  text-align: center;
  padding: 40px 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-hover);
}
.login-logo { font-size: 40px; margin-bottom: 12px; }
.login-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.login-sub { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.login-input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  text-align: center;
  letter-spacing: 2px;
  transition: border-color 0.15s;
  margin-bottom: 14px;
}
.login-input:focus { border-color: #111; }
.login-btn { width: 100%; }
.login-error {
  margin-top: 12px;
  font-size: 12.5px;
  color: #d33;
}

/* ---------- 主容器 ---------- */
main { max-width: 780px; margin: 0 auto 40px; padding: 32px 20px 0; width: 100%; flex: 1; }

/* ---------- Hero 区 ---------- */
.hero {
  text-align: center;
  padding: 56px 20px 44px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}
.hero-kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--ink);
  margin-bottom: 14px;
}
.hero-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
  max-width: 480px;
  margin: 0 auto 28px;
}
.hero-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hs {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 7px 18px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
}
.hero-steps i { color: var(--muted); font-style: normal; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 22px;
  color: var(--ink);
  letter-spacing: 0.2px;
}

.hidden { display: none !important; }
.loading { color: var(--muted); padding: 12px 0; font-size: 13px; }

/* ---------- 平台卡片 ---------- */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.platform-card {
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}
.platform-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.platform-emoji { font-size: 30px; line-height: 1; }
.platform-name { font-size: 16px; font-weight: 600; margin: 12px 0 6px; }
.platform-desc { font-size: 12px; color: var(--muted); margin-bottom: 14px; line-height: 1.6; }
.platform-count {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 3px 12px;
}

/* ---------- 赛道卡片 ---------- */
.track-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.track-card {
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}
.track-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.track-emoji { font-size: 26px; line-height: 1; }
.track-name { font-size: 15.5px; font-weight: 600; margin: 10px 0 4px; }
.track-desc { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.track-formats span {
  display: inline-block;
  font-size: 11px;
  background: var(--bg-soft);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2px 10px;
  margin: 2px 4px 2px 0;
}

/* ---------- 玩法徽标 ---------- */
.format-badge { font-size: 15px; font-weight: 600; margin-bottom: 18px; color: var(--ink); }
.format-badge .meta {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 400;
  margin-top: 6px;
}

/* ---------- 表单 ---------- */
.param-form { display: grid; gap: 16px; }
.style-field { margin-bottom: 16px; display: grid; gap: 6px; }
.style-field select {
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: #fff;
  transition: border-color 0.15s;
  width: 100%;
  max-width: 360px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.style-field select:focus { border-color: #111; }
.style-hint { font-size: 12px; color: var(--muted); font-weight: 400; }

.field { display: grid; gap: 7px; }
.field span { font-size: 13px; font-weight: 500; color: var(--ink); }
.field input {
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: #fff;
  transition: border-color 0.15s;
}
.field input:focus { border-color: #111; }
.field input::placeholder { color: #b9b9b9; }

/* ---------- 按钮 ---------- */
.actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.btn {
  padding: 11px 22px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  transition: background 0.15s, border-color 0.15s, opacity 0.15s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: wait; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #333; border-color: #333; }
.btn.ghost:hover { background: var(--accent-soft); border-color: var(--line-strong); }

/* ---------- 结果 ---------- */
.result-meta {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.block { margin-bottom: 22px; }
.block h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.title-list { padding-left: 20px; }
.title-list li { margin-bottom: 5px; font-size: 13.5px; }

.shots { display: grid; gap: 12px; }
.shot {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--bg-soft);
}
.shot-head { font-weight: 600; font-size: 13px; margin-bottom: 8px; }
.shot-head .sec { color: var(--muted); font-weight: 400; margin-left: 8px; }
.shot-row { display: grid; grid-template-columns: 60px 1fr; gap: 10px; font-size: 13px; margin-bottom: 5px; }
.shot-row b { color: var(--muted); font-weight: 500; }
.shot-row.sub b { color: #b0b0b0; }
.shot-row.sub span { color: #999; font-size: 12px; }
.shot-row.implant b { color: #a05a2c; }
.shot-row.implant span { color: #8a5a24; font-size: 12.5px; }
.shot-head .mood {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: #f0f0f0;
  border-radius: 12px;
  padding: 1px 8px;
}

.speech {
  white-space: pre-wrap;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  font-size: 13.5px;
  line-height: 1.8;
}

/* 封面预览 */
.cover-block { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--bg-soft); }
.cover-preview {
  background: var(--ink);
  border-radius: 10px;
  padding: 22px 16px;
  text-align: center;
  color: #fff;
  margin-bottom: 10px;
}
.cover-main { font-size: 21px; font-weight: 600; line-height: 1.3; letter-spacing: 0.5px; }
.cover-sub { font-size: 12.5px; opacity: 0.75; margin-top: 8px; }
.cover-style { font-size: 12px; color: var(--muted); }

/* 氛围需求 */
.ambience-block { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--bg-soft); }
.amb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.amb-item { font-size: 13px; }
.amb-item b { display: block; color: var(--muted); font-weight: 500; margin-bottom: 2px; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.4px; }

/* 产品植入 */
.implant-block { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: #fcfaf8; }
.implant-block .speech { background: #fff; }

/* 字幕文案 */
.captions-block { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--bg-soft); }
.captions-text {
  white-space: pre-wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  font-size: 13px;
  line-height: 2;
}

/* toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 13px;
  z-index: 99;
  box-shadow: var(--shadow-hover);
}

/* footer */
.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 24px 16px 32px;
  border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .track-grid, .platform-grid { grid-template-columns: 1fr; }
  .brand { font-size: 16px; }
  .hero h1 { font-size: 28px; }
  .topbar { padding: 16px 18px; }
  .card { padding: 22px 18px; }
}