/* Beats AI Lab 社区功能共享样式（弹窗/认证区/评论/后台） */
:root {
  --bg-deep: #05070d;
  --bg-deep-rgb: 5,7,13;
  --bg-panel: #0b0f1a;
  --bg-panel-rgb: 11,15,26;
  --ink-primary: #eef2ff;
  --ink-primary-rgb: 238,242,255;
  --ink-secondary: #8b93b0;
  --ink-secondary-rgb: 139,147,176;
  --arc-violet: #7c5cff;
  --arc-violet-rgb: 124,92,255;
  --arc-cyan: #22d3ee;
  --arc-cyan-rgb: 34,211,238;
  --arc-magenta: #e879f9;
  --arc-magenta-rgb: 232,121,249;
  --line-dim: rgba(139,147,176,0.16);
  --grad-arc: linear-gradient(120deg, var(--arc-violet), var(--arc-cyan));
  --font-main: "Space Grotesk","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

/* ---------- 导航认证区 ---------- */
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-btn {
  min-height: 38px; padding: 0 18px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 500; font-family: var(--font-main);
  color: var(--ink-primary); cursor: pointer;
  background: rgba(var(--arc-violet-rgb),0.12);
  border: 1px solid rgba(var(--arc-violet-rgb),0.4);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav-btn:hover { background: rgba(var(--arc-violet-rgb),0.24); box-shadow: 0 0 20px rgba(var(--arc-violet-rgb),0.3); }
.nav-btn.plain { background: transparent; border-color: var(--line-dim); color: var(--ink-secondary); }
.nav-btn.plain:hover { color: var(--ink-primary); border-color: rgba(var(--arc-cyan-rgb),0.5); box-shadow: none; }
.nav-user {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; color: var(--ink-secondary);
}
.nav-user .nick { color: var(--ink-primary); font-weight: 500; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.66);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-mask.open { display: flex; }
.modal {
  width: 100%; max-width: 440px;
  background: var(--bg-panel);
  border: 1px solid rgba(var(--arc-violet-rgb),0.35);
  border-radius: 20px; padding: 32px;
  position: relative;
  box-shadow: 0 0 60px rgba(var(--arc-violet-rgb),0.25);
  animation: modalIn 0.3s cubic-bezier(0.22,1,0.36,1);
  max-height: 88vh; overflow-y: auto;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(24px) scale(0.97); } }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line-dim); background: transparent;
  color: var(--ink-secondary); font-size: 16px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.modal-close:hover { color: var(--ink-primary); border-color: rgba(var(--arc-cyan-rgb),0.5); }
.modal h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.modal .modal-sub { font-size: 0.85rem; color: var(--ink-secondary); margin-bottom: 22px; }

.auth-tabs { display: flex; gap: 8px; margin-bottom: 22px; }
.auth-tab {
  flex: 1; padding: 10px 0; text-align: center;
  border-radius: 12px; cursor: pointer; font-size: 0.9rem;
  color: var(--ink-secondary); border: 1px solid var(--line-dim);
  background: transparent; font-family: var(--font-main);
  transition: all 0.25s;
}
.auth-tab.active {
  color: var(--ink-primary);
  border-color: rgba(var(--arc-violet-rgb),0.55);
  background: rgba(var(--arc-violet-rgb),0.14);
}

.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 0.8rem; color: var(--ink-secondary);
  margin-bottom: 6px; letter-spacing: 0.06em;
}
.field input[type="text"], .field input[type="password"], .field input[type="url"], .field textarea {
  width: 100%; padding: 12px 14px;
  background: rgba(var(--bg-deep-rgb),0.7);
  border: 1px solid var(--line-dim); border-radius: 12px;
  color: var(--ink-primary); font-size: 0.95rem; font-family: var(--font-main);
  outline: none; transition: border-color 0.25s, box-shadow 0.25s;
}
.field textarea { resize: vertical; min-height: 90px; line-height: 1.7; }
.field input:focus, .field textarea:focus {
  border-color: rgba(var(--arc-cyan-rgb),0.6);
  box-shadow: 0 0 0 3px rgba(var(--arc-cyan-rgb),0.12);
}
.form-btn {
  width: 100%; min-height: 46px; margin-top: 6px;
  border-radius: 999px; border: none; cursor: pointer;
  font-size: 0.95rem; font-weight: 700; font-family: var(--font-main);
  color: var(--bg-deep); background: var(--grad-arc);
  transition: opacity 0.25s, box-shadow 0.25s;
}
.form-btn:hover { box-shadow: 0 0 26px rgba(var(--arc-violet-rgb),0.45); }
.form-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.form-err { color: #ff7b92; font-size: 0.82rem; margin-top: 10px; min-height: 1.2em; }

/* ---------- Toast ---------- */
#toast {
  position: fixed; bottom: 36px; left: 50%; transform: translateX(-50%) translateY(20px);
  z-index: 200; padding: 12px 26px; border-radius: 999px;
  background: var(--bg-panel); border: 1px solid rgba(var(--arc-cyan-rgb),0.45);
  color: var(--ink-primary); font-size: 0.9rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  max-width: 86vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.error { border-color: rgba(255,123,146,0.5); }

/* ---------- 评论区 ---------- */
.comment-form-card, .comment-card {
  background: var(--bg-panel);
  border: 1px solid var(--line-dim);
  border-radius: 16px; padding: 22px;
}
.comment-form-card { margin-bottom: 28px; }
.comment-kind { display: flex; gap: 8px; margin-bottom: 14px; }
.comment-kind .auth-tab { padding: 8px 0; font-size: 0.82rem; }
.img-picker { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.img-picker label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--arc-cyan); cursor: pointer;
  border: 1px dashed rgba(var(--arc-cyan-rgb),0.45); border-radius: 10px;
  padding: 8px 16px; transition: background 0.25s;
}
.img-picker label:hover { background: rgba(var(--arc-cyan-rgb),0.08); }
.img-picker input { display: none; }
.img-preview { max-height: 90px; border-radius: 10px; border: 1px solid var(--line-dim); }

.comment-card { margin-bottom: 16px; }
.comment-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.comment-nick { font-weight: 700; font-size: 0.95rem; }
.badge {
  font-size: 0.66rem; letter-spacing: 0.1em;
  border-radius: 999px; padding: 3px 10px;
}
.badge.author { color: var(--arc-magenta); border: 1px solid rgba(var(--arc-magenta-rgb),0.5); }
.badge.suggestion { color: var(--arc-cyan); border: 1px solid rgba(var(--arc-cyan-rgb),0.5); }
.comment-time { font-size: 0.75rem; color: var(--ink-secondary); margin-left: auto; }
.comment-body { font-size: 0.95rem; color: var(--ink-primary); line-height: 1.8; white-space: pre-wrap; word-break: break-word; }
.comment-img { margin-top: 12px; max-width: 100%; max-height: 320px; border-radius: 12px; border: 1px solid var(--line-dim); cursor: zoom-in; display: block; }
.comment-actions { margin-top: 12px; }
.reply-btn {
  background: none; border: none; cursor: pointer;
  color: var(--arc-cyan); font-size: 0.82rem; font-family: var(--font-main);
  padding: 4px 0;
}
.reply-btn:hover { text-decoration: underline; }
.comment-children { margin-left: 22px; margin-top: 14px; padding-left: 18px; border-left: 2px solid rgba(var(--arc-violet-rgb),0.25); }
.comment-children .comment-card { background: rgba(var(--bg-deep-rgb),0.55); }
.empty-hint { text-align: center; color: var(--ink-secondary); padding: 48px 0; font-size: 0.9rem; }

/* ---------- 产品/后台通用 ---------- */
.page-wrap { max-width: 880px; margin: 0 auto; padding: 110px 24px 80px; min-height: 100vh; }
.mini-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: rgba(var(--bg-deep-rgb),0.85);
  border-bottom: 1px solid var(--line-dim);
}
.mini-nav img { height: 32px; }
.mini-nav .back { color: var(--ink-secondary); text-decoration: none; font-size: 0.88rem; transition: color 0.2s; }
.mini-nav .back:hover { color: var(--ink-primary); }

.product-panel {
  background: var(--bg-panel); border: 1px solid var(--line-dim);
  border-radius: 20px; padding: 34px; margin-bottom: 40px;
  position: relative; overflow: hidden;
}
.product-panel::after {
  content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: var(--grad-arc);
}
.product-panel h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }
.product-panel .p-desc { color: var(--ink-secondary); line-height: 1.8; margin-bottom: 18px; }
.product-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--arc-cyan); text-decoration: none; font-weight: 500; font-size: 0.92rem;
  border: 1px solid rgba(var(--arc-cyan-rgb),0.4); border-radius: 999px; padding: 8px 20px;
  transition: background 0.25s;
}
.product-link:hover { background: rgba(var(--arc-cyan-rgb),0.1); }
.section-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 22px; }

.admin-tabs { display: flex; gap: 8px; margin-bottom: 26px; }
.admin-tabs .auth-tab { flex: 0 0 auto; padding: 8px 22px; }
.admin-card {
  background: var(--bg-panel); border: 1px solid var(--line-dim);
  border-radius: 16px; padding: 24px; margin-bottom: 16px;
}
.admin-card h4 { font-size: 1.1rem; margin-bottom: 6px; }
.admin-card .meta { font-size: 0.8rem; color: var(--ink-secondary); margin-bottom: 12px; }
.admin-card .desc { font-size: 0.92rem; color: var(--ink-secondary); margin-bottom: 14px; line-height: 1.7; }
.admin-card .url { font-size: 0.85rem; color: var(--arc-cyan); word-break: break-all; margin-bottom: 16px; display: block; }
.admin-actions { display: flex; gap: 10px; }
.btn-approve, .btn-reject {
  min-height: 38px; padding: 0 22px; border-radius: 999px; cursor: pointer;
  font-size: 0.85rem; font-weight: 500; font-family: var(--font-main);
  transition: all 0.25s;
}
.btn-approve { background: rgba(var(--arc-cyan-rgb),0.12); color: var(--arc-cyan); border: 1px solid rgba(var(--arc-cyan-rgb),0.45); }
.btn-approve:hover { background: rgba(var(--arc-cyan-rgb),0.24); }
.btn-reject { background: transparent; color: #ff7b92; border: 1px solid rgba(255,123,146,0.4); }
.btn-reject:hover { background: rgba(255,123,146,0.1); }
.status-pill { font-size: 0.72rem; border-radius: 999px; padding: 3px 12px; }
.status-pill.pending { color: #ffd479; border: 1px solid rgba(255,212,121,0.4); }
.status-pill.approved { color: var(--arc-cyan); border: 1px solid rgba(var(--arc-cyan-rgb),0.4); }
.status-pill.rejected { color: #ff7b92; border: 1px solid rgba(255,123,146,0.4); }

@media (max-width: 600px) {
  .modal { padding: 24px 20px; }
  .page-wrap { padding: 90px 16px 60px; }
  .comment-children { margin-left: 10px; padding-left: 12px; }
  .nav-user .nick { display: none; }
}