/* 访问验证页：与工作台同一套米白配色，移动端优先。 */

:root {
  color-scheme: light;
  --paper: #f3f1ea;
  --paper-deep: #e9e5da;
  --card: #fffdf8;
  --ink: #1d2321;
  --ink-soft: #43514c;
  --muted: #6b7280;
  --line: #e2ded2;
  --line-soft: #efeade;
  --accent: #1f6f5c;
  --accent-strong: #175748;
  --accent-tint: rgba(31, 111, 92, .12);
  --danger: #b3392f;
  --danger-tint: rgba(179, 57, 47, .1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;

  /* 双层柔和光晕 + 细网格，避免整页死板 */
  background-color: var(--paper);
  background-image:
    radial-gradient(760px 420px at 12% -8%, rgba(31, 111, 92, .10), transparent 62%),
    radial-gradient(620px 380px at 92% 108%, rgba(138, 109, 59, .10), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, .5), transparent 42%);
  background-attachment: fixed;
}

.login-shell {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 28px 18px calc(28px + env(safe-area-inset-bottom, 0px));
}

/* ---------------------------------------------------------------- 卡片 */

.login-card {
  width: min(408px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 28px 24px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 22px 48px -18px rgba(29, 35, 33, .22),
    0 6px 14px -8px rgba(29, 35, 33, .08);
  animation: card-in .34s cubic-bezier(.22, .68, .32, 1) both;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px) scale(.99); }
  to   { opacity: 1; transform: none; }
}

/* 尊重系统"减少动态效果"设置 */
@media (prefers-reduced-motion: reduce) {
  .login-card, .login-shake { animation: none !important; }
}

/* ---------------------------------------------------------------- 品牌 */

.login-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 22px;
}

.login-mark {
  width: 40px;
  height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 5px 12px -4px rgba(31, 111, 92, .5);
}

.login-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1.2;
}

.login-brand-copy strong {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .13em;
}

.login-brand-copy small {
  font-size: 9px;
  letter-spacing: .17em;
  color: #9aa19d;
}

/* 安全标识：让"这是私人页面"一眼可见 */
.login-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #f4f8f5;
  border: 1px solid #dfeae3;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--accent);
  white-space: nowrap;
}

.login-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2.5px rgba(31, 111, 92, .16);
}

/* ---------------------------------------------------------------- 文案 */

.login-card h1 {
  margin: 0 0 8px;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.login-hint {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

.login-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

/* ---------------------------------------------------------------- 输入 */

.login-input-row {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input {
  width: 100%;
  height: 50px;
  padding: 0 64px 0 15px;
  font-size: 16px; /* 16px 以下 iOS 会自动放大页面 */
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

.login-input::placeholder { color: #aeb4b1; }

.login-input:hover { border-color: #d3cec0; }

.login-input:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3.5px var(--accent-tint);
}

.login-input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3.5px var(--danger-tint);
}

/* 浏览器自动填充时不要把黄色背景带进来 */
.login-input:-webkit-autofill,
.login-input:-webkit-autofill:hover,
.login-input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--ink);
  -webkit-box-shadow: 0 0 0 1000px #fff inset;
  transition: background-color 9999s ease-in-out 0s;
}

.login-toggle {
  position: absolute;
  right: 7px;
  height: 34px;
  padding: 0 11px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  transition: color .14s ease, background .14s ease;
}

.login-toggle:hover { color: var(--ink); background: #f2efe6; }
.login-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------------------------------------------------------------- 提示 */

.login-error {
  min-height: 20px;
  margin: 10px 0 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--danger);
}

/* 有内容时才占位，避免空行把布局撑开 */
.login-error:empty { min-height: 0; margin: 0; }

/* 错误时轻微抖动，给一个不依赖文字反馈的提示 */
.login-shake { animation: shake .32s cubic-bezier(.36, .07, .19, .97); }

@keyframes shake {
  10%, 90% { transform: translateX(-1.5px); }
  20%, 80% { transform: translateX(2.5px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

/* ---------------------------------------------------------------- 按钮 */

.login-submit {
  width: 100%;
  height: 50px;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: .04em;
  color: #fff;
  background: linear-gradient(180deg, #237a66 0%, var(--accent) 52%, var(--accent-strong) 100%);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 8px 18px -8px rgba(31, 111, 92, .62);
  transition: filter .16s ease, transform .06s ease, box-shadow .16s ease;
}

.login-submit:hover { filter: brightness(1.06); }
.login-submit:active { transform: translateY(1px); box-shadow: 0 4px 10px -6px rgba(31, 111, 92, .6); }
.login-submit:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }

.login-submit:disabled {
  opacity: .72;
  cursor: progress;
  filter: grayscale(.12);
  box-shadow: none;
}

/* 成功态：把按钮变成"已通过"，让用户知道真的进去了 */
.login-submit.is-success {
  background: linear-gradient(180deg, #2c8a72 0%, #1f6f5c 100%);
  cursor: default;
}

/* ---------------------------------------------------------------- 页脚 */

.login-foot {
  margin: 18px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px;
  line-height: 1.8;
  color: #8a918e;
  text-align: center;
}

.login-foot code {
  padding: 1px 5px;
  background: #f4f1e9;
  border-radius: 4px;
  font-size: 11px;
}

/* ---------------------------------------------------------------- 窄屏 */

@media (max-width: 380px) {
  .login-shell { padding: 16px 14px calc(16px + env(safe-area-inset-bottom, 0px)); }
  .login-card { padding: 24px 19px 20px; border-radius: 18px; }
  .login-card h1 { font-size: 20px; }
  .login-hint { margin-bottom: 18px; }
}

/* 横屏矮屏：避免卡片被裁掉 */
@media (max-height: 520px) {
  .login-shell { place-items: start center; padding-top: 16px; }
  .login-brand { margin-bottom: 14px; }
}