/* 念念 PWA — 全屏应用壳（非原型演示框） */

html, body {
  height: 100%;
  overflow: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

body.nn-atmosphere {
  margin: 0;
}

#app-root {
  width: 100%;
  max-width: 480px;
  height: 100dvh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  background: var(--nn-surface);
  box-shadow: 0 0 0 1px rgba(44, 42, 40, 0.06);
}

@media (min-width: 481px) {
  #app-root {
    max-height: 100dvh;
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  #app-root {
    max-width: none;
    box-shadow: none;
  }
}

#app-root .phone__notch,
#app-root .phone__status {
  display: none;
}

#app-root .phone__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.demo-stage { padding: 0 !important; min-height: 100dvh !important; }
.demo-nav, .demo-hint { display: none !important; }

.phone {
  width: 100% !important;
  height: 100% !important;
  max-height: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.nn-global-loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 252, 249, 0.72);
  backdrop-filter: blur(4px);
}

.nn-global-loading.is-show { display: flex; }

.nn-global-loading__spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--nn-line);
  border-top-color: var(--nn-teal-500);
  border-radius: 50%;
  animation: nnSpin 0.8s linear infinite;
}

@keyframes nnSpin { to { transform: rotate(360deg); } }

.nn-header__spacer {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.legal-doc {
  padding: var(--sp-4) var(--sp-5) calc(var(--sp-8) + env(safe-area-inset-bottom, 0px));
}

.legal-doc__meta {
  font-size: var(--fs-sm);
  color: var(--nn-muted);
  margin: 0 0 var(--sp-5);
  line-height: var(--lh-snug);
}

.legal-doc h2 {
  font-family: var(--font-ui);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--nn-ink);
  margin: var(--sp-6) 0 var(--sp-3);
}

.legal-doc h2:first-of-type {
  margin-top: 0;
}

.legal-doc h3 {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--nn-ink-soft);
  margin: var(--sp-4) 0 var(--sp-2);
}

.legal-doc p,
.legal-doc li {
  font-size: var(--fs-sm);
  color: var(--nn-ink-soft);
  line-height: var(--lh-relaxed, 1.65);
}

.legal-doc ul {
  margin: 0 0 var(--sp-3);
  padding-left: 1.2rem;
}

.legal-doc li + li {
  margin-top: 6px;
}

.legal-doc a {
  color: var(--nn-teal-600);
}

.legal-doc__footnote {
  margin-top: var(--sp-8);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--nn-line);
  font-size: var(--fs-xs, 12px);
  color: var(--nn-muted);
}

/* 协议链接在勾选行内：点击不误触 checkbox（由 JS stopPropagation） */
.nn-check a {
  color: var(--nn-teal-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.nn-inline-error {
  padding: var(--sp-3) var(--sp-4);
  margin: var(--sp-3) var(--sp-4);
  background: var(--nn-danger-soft);
  color: var(--nn-danger);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
}

.nn-retry-bar {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  justify-content: space-between;
}