/* ==========================================================================
   VisionPro 前台认证系统 —— 会员登录/注册
   ========================================================================== */

:root {
  --au-bg: #08090c;
  --au-surface: #0d0e12;
  --au-surface-2: #12141a;
  --au-border: #1d1f28;
  --au-text: #eceef2;
  --au-text-2: #94a3b8;
  --au-text-3: #64748b;
  --au-primary: #5b8cff;
  --au-primary-2: #4a7ef5;
  --au-primary-glow: rgba(91,140,255,.3);
  --au-accent: #06b6d4;
  --au-danger: #ef4444;
  --au-success: #10b981;
}

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

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  background: var(--au-bg);
  color: var(--au-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }
input, button { font-family: inherit; }

.au-body {
  min-height: 100vh;
  overflow-x: hidden;
}

.au-wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 100vh;
  width: 100%;
}

/* ===== 左侧品牌区 ===== */
.au-brand {
  position: relative;
  background: linear-gradient(135deg, #0f1729 0%, #1a2744 50%, #0f1729 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  overflow: hidden;
}

.au-brand::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,.25), transparent 60%);
  pointer-events: none;
}

.au-brand::after {
  content: "";
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,.15), transparent 60%);
  pointer-events: none;
}

.au-brand-inner {
  position: relative;
  z-index: 1;
  max-width: 480px;
}

.au-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--au-text);
  margin-bottom: 48px;
  letter-spacing: -.3px;
}

.au-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--au-primary), var(--au-accent));
  position: relative;
  box-shadow: 0 0 20px var(--au-primary-glow);
}

.au-logo-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid #fff;
  border-radius: 4px;
  opacity: .8;
}

.au-brand-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #7dd3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1.2px;
}

.au-brand-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--au-text-2);
  margin-bottom: 40px;
}

.au-stats {
  display: flex;
  gap: 32px;
}

.au-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.au-stat-v {
  font-size: 28px;
  font-weight: 800;
  color: var(--au-accent);
  font-family: "SF Mono", "Consolas", monospace;
  letter-spacing: -1px;
  line-height: 1;
}

.au-stat-l {
  font-size: 12px;
  color: var(--au-text-3);
  letter-spacing: .5px;
}

/* ===== 右侧表单区 ===== */
.au-form {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  background: var(--au-bg);
}

.au-form-inner {
  width: 100%;
  max-width: 400px;
}

.au-form-header {
  margin-bottom: 32px;
}

.au-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(59,130,246,.15);
  color: var(--au-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.au-form-header h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--au-text);
  letter-spacing: -.5px;
}

.au-form-header p {
  color: var(--au-text-2);
  font-size: 14px;
}

.au-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
}

.au-alert-error {
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  color: #fca5a5;
}

.au-alert-success {
  background: rgba(16,185,129,.1);
  border: 1px solid rgba(16,185,129,.3);
  color: #6ee7b7;
}

.au-field {
  margin-bottom: 18px;
}

.au-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--au-text-2);
  margin-bottom: 8px;
}

.au-input-wrap {
  position: relative;
}

.au-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  opacity: .5;
  pointer-events: none;
}

.au-input-wrap input {
  width: 100%;
  padding: 13px 14px 13px 42px;
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: 10px;
  color: var(--au-text);
  font-size: 14px;
  transition: all .2s;
  outline: none;
}

.au-input-wrap input::placeholder {
  color: var(--au-text-3);
}

.au-input-wrap input:focus {
  border-color: var(--au-primary);
  background: var(--au-surface-2);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.au-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--au-primary), var(--au-primary-2));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 4px 16px var(--au-primary-glow);
  margin-top: 8px;
}

.au-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--au-primary-glow);
}

.au-btn-arrow {
  font-size: 18px;
  transition: transform .2s;
}

.au-btn:hover .au-btn-arrow { transform: translateX(3px); }

.au-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 13px;
}

.au-link {
  color: var(--au-primary);
  font-weight: 500;
}

.au-link:hover { text-decoration: underline; }

.au-divider-row {
  margin: 20px 0;
  text-align: center;
}

.au-divider {
  font-size: 12px;
  color: var(--au-text-3);
  letter-spacing: 1px;
}

.au-link-subtle {
  color: var(--au-text-3);
  font-size: 12px;
}

.au-link-subtle:hover { color: var(--au-primary); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .au-wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 100vh;
  width: 100%;
}
  .au-brand { display: none; }
  .au-form { padding: 40px 24px; }
}

/* ===== 个人中心（兼容原有） ===== */
.auth-wrap { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { background: var(--au-surface); border: 1px solid var(--au-border); border-radius: 16px; padding: 40px; width: 100%; max-width: 720px; box-shadow: 0 20px 60px rgba(0,0,0,.5); position: relative; overflow: hidden; }
.auth-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--au-primary), var(--au-accent)); }
.auth-card h1 { font-size: 24px; margin-bottom: 8px; text-align: center; }
.auth-sub { color: var(--au-text-2); font-size: 13px; text-align: center; margin-bottom: 24px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--au-text-2); margin-bottom: 6px; }
.form-group input { width: 100%; padding: 10px 14px; background: var(--au-surface-2); border: 1px solid var(--au-border); border-radius: 8px; color: var(--au-text); font-size: 14px; transition: border-color .15s; outline: none; }
.form-group input:focus { border-color: var(--au-primary); box-shadow: 0 0 0 3px rgba(59,130,246,.1); }
.form-group input:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--au-primary); color: #fff; border: none; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s; }
.btn-primary:hover { background: var(--au-primary-2); }
.btn-block { display: block; width: 100%; padding: 12px; margin-top: 8px; }

.alert { padding: 12px 16px; border-radius: 10px; font-size: 13px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.alert-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #6ee7b7; }

.profile-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--au-border); margin: 20px 0 24px; }
.profile-tab { padding: 10px 18px; color: var(--au-text-2); font-size: 14px; text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .15s; }
.profile-tab:hover { color: var(--au-text); }
.profile-tab.active { color: var(--au-primary); border-bottom-color: var(--au-primary); font-weight: 600; }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--au-border); font-size: 13px; }
.admin-table th { color: var(--au-text-2); font-weight: 600; background: rgba(17,24,39,.5); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat-card { background: var(--au-surface-2); border: 1px solid var(--au-border); border-radius: 10px; padding: 20px; text-align: center; }
.stat-card .v { font-size: 28px; font-weight: 700; color: var(--au-primary); font-family: "SF Mono", monospace; }
.stat-card .l { font-size: 12px; color: var(--au-text-2); margin-top: 4px; }

/* 用户菜单（前台导航用） */
.user-menu { display: flex; align-items: center; gap: 10px; }
.user-greet { color: var(--au-text-2); font-size: 13px; text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 13px; background: var(--au-surface-2); border: 1px solid var(--au-border); border-radius: 6px; color: var(--au-text); text-decoration: none; transition: all .15s; display: inline-block; }
.btn-sm:hover { border-color: var(--au-primary); color: var(--au-primary); }
.btn-sm.btn-primary { background: var(--au-primary); color: #fff; border-color: var(--au-primary); }
.btn-sm.btn-primary:hover { background: var(--au-primary-2); color: #fff; }

/* ===== 新增 au- 类：照搬后台登录页 6 层结构 ===== */

/* 覆盖旧的 au-brand（蓝色渐变改为深黑 + 网格 + 光晕） */
.au-brand {
  position: relative;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  padding: 80px clamp(48px, 6vw, 96px) !important;
  background: #05070a !important;
  overflow: hidden !important;
  min-width: 0;
  min-height: 100vh;
}

.au-brand::before {
  display: none !important;
}

/* 网格背景 */
.au-brand-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 90%);
  pointer-events: none;
  z-index: 0;
}

/* 光晕 */
.au-brand-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.au-glow-1 {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -120px;
  background: radial-gradient(circle, rgba(91, 140, 255, 0.4), transparent 70%);
}

.au-glow-2 {
  width: 360px;
  height: 360px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.35), transparent 70%);
}

/* 环形 SVG */
.au-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
}

/* 内容区 */
.au-brand-inner {
  position: relative !important;
  z-index: 1;
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* Logo */
.au-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  text-decoration: none;
}

.au-logo-mark {
  width: 32px !important;
  height: 32px !important;
  border-radius: 8px !important;
  background: linear-gradient(135deg, #5b8cff 0%, #a78bfa 100%) !important;
  position: relative;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 8px 24px rgba(91, 140, 255, 0.4);
  flex-shrink: 0;
}

.au-logo-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid #fff;
  border-radius: 3px;
  opacity: 0.9;
}

.au-logo-text {
  font-size: 16px;
  font-weight: 600;
}

.au-logo-tag {
  display: inline-flex;
  padding: 3px 8px;
  background: rgba(91, 140, 255, 0.12);
  border: 1px solid rgba(91, 140, 255, 0.25);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #93c5fd;
  text-transform: uppercase;
  margin-left: 4px;
}

/* Hero */
.au-brand-hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.au-brand-eyebrow {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: rgba(91, 140, 255, 0.08);
  border: 1px solid rgba(91, 140, 255, 0.2);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #93c5fd;
  text-transform: uppercase;
}

.au-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: au-pulse-dot 2s ease-in-out infinite;
}

@keyframes au-pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* 标题 */
.au-brand-title {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px;
  font-size: clamp(36px, 3.5vw, 52px) !important;
  font-weight: 800 !important;
  line-height: 1.1 !important;
  letter-spacing: -0.035em !important;
  color: #fff !important;
}

.au-brand-title-accent {
  background: linear-gradient(135deg, #93c5fd 0%, #a78bfa 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.au-brand-desc {
  font-size: 15px !important;
  line-height: 1.7 !important;
  color: #8a94a6 !important;
  max-width: 440px !important;
}

/* 功能列表 */
.au-brand-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.au-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  transition: all 0.2s ease;
}

.au-feature:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(91, 140, 255, 0.3);
  color: #fff;
}

.au-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px !important;
  height: 36px !important;
  border-radius: 9px !important;
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.15), rgba(167, 139, 250, 0.15)) !important;
  border: 1px solid rgba(91, 140, 255, 0.2) !important;
  color: #60a5fa !important;
  flex-shrink: 0;
}

.au-feature-body {
  flex: 1;
  min-width: 0;
}

.au-feature-title {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #fff !important;
  margin-bottom: 2px !important;
}

.au-feature-desc {
  font-size: 12.5px !important;
  color: #6e7480 !important;
  line-height: 1.4 !important;
}

/* 页脚 */
.au-brand-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px !important;
  color: #4a4f5a !important;
  padding-top: 16px !important;
  border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
  margin-top: auto !important;
}

.au-brand-footer-sep {
  color: #333645;
}

/* 右侧表单区 */
.au-form {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 80px clamp(40px, 5vw, 96px) !important;
  background: #0a0d13 !important;
  min-height: 100vh;
}

.au-form-inner {
  width: 100% !important;
  max-width: 420px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 28px !important;
}

.au-form-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 0 !important;
}

.au-form-badge {
  display: inline-flex !important;
  align-self: flex-start;
  padding: 4px 10px !important;
  background: rgba(91, 140, 255, 0.1) !important;
  border-radius: 6px !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  letter-spacing: 0.14em !important;
  color: #5b8cff !important;
  text-transform: uppercase !important;
  margin-bottom: 6px !important;
}

.au-form-title {
  font-size: 28px !important;
  font-weight: 700 !important;
  letter-spacing: -0.028em !important;
  color: #eceef2 !important;
  line-height: 1.2 !important;
}

.au-form-subtitle {
  font-size: 14px !important;
  color: #8a94a6 !important;
  line-height: 1.5 !important;
}

/* 表单 */
.au-form-body {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
}

.au-field {
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
}

.au-label {
  font-size: 13px !important;
  font-weight: 500 !important;
  color: #9ca3af !important;
}

.au-input-wrap {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
}

.au-input-icon {
  position: absolute !important;
  left: 14px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  color: #6b7280 !important;
  pointer-events: none !important;
  transition: color 0.2s !important;
  flex-shrink: 0 !important;
}

.au-input-wrap input {
  width: 100% !important;
  height: 46px !important;
  padding: 0 14px 0 42px !important;
  background: #11151d !important;
  border: 1px solid #1f242f !important;
  border-radius: 10px !important;
  font-size: 14px !important;
  color: #eceef2 !important;
  outline: none !important;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s !important;
}

.au-input-wrap input::placeholder {
  color: #4b5563 !important;
}

.au-input-wrap input:hover {
  border-color: #2a3140 !important;
}

.au-input-wrap input:focus {
  border-color: #5b8cff !important;
  background: #151a24 !important;
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.15) !important;
}

.au-input-wrap:focus-within .au-input-icon {
  color: #60a5fa !important;
}

/* 按钮 */
.au-btn {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  width: 100% !important;
  height: 46px !important;
  margin-top: 6px !important;
  padding: 0 20px !important;
  background: linear-gradient(180deg, #4a8cf7 0%, #3070e8 100%) !important;
  color: #fff !important;
  border: 1px solid #2563eb !important;
  border-radius: 10px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 4px 14px rgba(37, 99, 235, 0.3) !important;
  letter-spacing: -0.01em !important;
}

.au-btn:hover {
  background: linear-gradient(180deg, #5a98f8 0%, #4080f0 100%) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 6px 24px rgba(37, 99, 235, 0.45) !important;
  transform: translateY(-1px) !important;
}

.au-btn:active {
  transform: translateY(0) !important;
}

.au-btn svg {
  transition: transform 0.2s !important;
}

.au-btn:hover svg {
  transform: translateX(2px) !important;
}

/* 底部链接 */
.au-form-footer {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  font-size: 13px !important;
  color: #6b7280 !important;
  padding-top: 8px !important;
}

.au-link {
  color: #9ca3af !important;
  transition: color 0.15s !important;
}

.au-link:hover {
  color: #60a5fa !important;
}

.au-link-subtle {
  color: #5a6472 !important;
  font-size: 12.5px !important;
  transition: color 0.15s !important;
}

.au-link-subtle:hover {
  color: #60a5fa !important;
}

.au-divider {
  color: #374151 !important;
}

/* 错误/成功提示 */
.au-alert {
  display: flex !important;
  align-items: flex-start !important;
  gap: 10px !important;
  padding: 12px 14px !important;
  background: rgba(239, 68, 68, 0.06) !important;
  border: 1px solid rgba(239, 68, 68, 0.25) !important;
  border-radius: 10px !important;
  font-size: 13px !important;
  color: #fca5a5 !important;
  line-height: 1.5 !important;
}

.au-alert svg {
  flex-shrink: 0 !important;
  margin-top: 1px !important;
}

.au-alert-success {
  background: rgba(16, 185, 129, 0.06) !important;
  border-color: rgba(16, 185, 129, 0.25) !important;
  color: #6ee7b7 !important;
}

/* 响应式 */
@media (max-width: 960px) {
  .au-wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 100vh;
  width: 100%;
}
  .au-brand {
    display: none !important;
  }
  .au-form {
    min-height: 100vh;
    padding: 40px 24px !important;
    background: #08090c !important;
  }
  .au-form-inner {
    max-width: 380px !important;
  }
}