@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&family=Source+Han+Sans+SC:wght@400;500;600&display=swap');

:root {
  --ink: #1a2a28;
  --ink-soft: #3d524e;
  --mist: #e8f0ee;
  --fog: #f3f7f6;
  --teal: #2f6f66;
  --teal-deep: #1f4f48;
  --teal-glow: rgba(47, 111, 102, 0.14);
  --line: rgba(26, 42, 40, 0.12);
  --danger: #a33b2d;
  --ok: #2a6b4a;
  --radius: 14px;
  --font-sans: 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --shadow: 0 18px 50px rgba(26, 42, 40, 0.08);
}

* {
  box-sizing: border-box;
}

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

html {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(47, 111, 102, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(31, 79, 72, 0.12), transparent 50%),
    linear-gradient(165deg, #f7fbfa 0%, #eef4f2 45%, #e7efed 100%);
  line-height: 1.55;
}

/* 认证页：登录/注册等卡片在视口内垂直+水平居中 */
body.page-auth {
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}

body.page-auth .shell {
  position: relative;
  width: min(1080px, calc(100% - 1.5rem));
  height: 100%;
  margin: 0 auto;
  padding: 0;
}

body.page-auth .topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  margin: 0;
  padding: 0.9rem 0 0;
}

body.page-auth .auth-layout {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.25rem 0 2.75rem;
  overflow: hidden;
}

body.page-auth .auth-panel {
  width: min(380px, 100%);
  max-height: 100%;
  margin: 0;
  padding: 1.25rem 1.2rem 1.1rem;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex-shrink: 0;
}

body.page-auth .auth-panel > .lead {
  display: none;
}

/* 授权页需要说明文案 */
body.page-auth .auth-panel.consent-card > .lead {
  display: block;
  margin-bottom: 0.85rem;
}

body.page-auth .footer-note {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 0 0 0.75rem;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 2.35rem;
  height: 2.35rem;
  flex: 0 0 auto;
  display: block;
  object-fit: contain;
  border-radius: 50%;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-mark {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
  line-height: 1.15;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--ink-soft);
}

.auth-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 8rem);
  min-height: calc(100dvh - 8rem);
}

.auth-panel {
  width: min(420px, 100%);
  padding: 2rem 1.75rem 1.75rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  animation: rise 0.55s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.auth-panel h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.auth-panel .lead {
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.field {
  position: relative;
  margin-bottom: 0.7rem;
}

/* 仅在真正显示错误时预留一行，平时不加空白 */
.field.has-error {
  margin-bottom: 0.45rem;
  padding-bottom: 1.05em;
}

.field label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.field input {
  width: 100%;
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input::placeholder {
  color: rgba(61, 82, 78, 0.45);
}

.field input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-glow);
}

.field input.is-invalid,
.field input.is-invalid:focus {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(163, 59, 45, 0.16);
}

.field-error {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  height: 1.05em;
  font-size: 0.78rem;
  line-height: 1.05;
  color: var(--danger);
  visibility: hidden;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.field.has-error .field-error,
.field-error.is-visible {
  visibility: visible;
}

@keyframes field-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-7px);
  }
  40%,
  80% {
    transform: translateX(7px);
  }
}

.field input.shake {
  animation: field-shake 0.42s ease;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.72rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s, opacity 0.2s;
}

.btn:hover {
  background: var(--teal-deep);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-block {
  width: 100%;
  margin-top: 0.35rem;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
}

.btn-ghost:hover {
  background: var(--mist);
  color: var(--ink);
}

.btn-danger {
  background: transparent;
  border-color: rgba(163, 59, 45, 0.35);
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(163, 59, 45, 0.08);
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
}

.auth-links-end {
  justify-content: flex-end;
}

.auth-links-end span {
  display: none;
}

.toast {
  position: fixed;
  left: 50%;
  top: 22%;
  bottom: auto;
  transform: translate(-50%, -12px);
  max-width: min(420px, calc(100% - 2rem));
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.92rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast.error {
  background: var(--danger);
}

.toast.ok {
  background: var(--ok);
}

.page-head {
  margin-bottom: 1.5rem;
  animation: rise 0.5s ease both;
}

.page-head h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  color: var(--teal-deep);
}

.page-head p {
  margin: 0;
  color: var(--ink-soft);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
}

@media (max-width: 820px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.panel {
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  animation: rise 0.55s ease both;
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--teal-deep);
}

.meta-list {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.meta-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.meta-list span {
  color: var(--ink-soft);
}

.relation-list {
  display: grid;
  gap: 0.75rem;
}

.relation-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
}

.relation-item strong {
  display: block;
  font-size: 1rem;
}

.relation-item small {
  color: var(--ink-soft);
}

.empty {
  padding: 1.2rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--ink-soft);
  text-align: center;
}

.consent-card {
  width: min(480px, 100%);
}

.consent-app {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 1rem 0 1.25rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: var(--mist);
}

.consent-app .glyph {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
}

.consent-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1rem;
}

.footer-note {
  margin-top: 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.85rem;
}