:root {
  --pwa-blue: #0ea5e9;
  --pwa-blue-dark: #0369a1;
  --pwa-ink: #123044;
  --pwa-muted: #60758a;
  --pwa-line: #cdeafd;
  --pwa-soft: #eef8ff;
}

.pwa-mobile-entry .login-screen {
  place-items: stretch;
  overflow: auto;
  padding: 18px 14px calc(24px + env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 18% 0%, rgba(91, 197, 255, 0.34), transparent 32%),
    linear-gradient(180deg, #e8f7ff 0%, #f7fbff 48%, #ffffff 100%);
}

.pwa-mobile-entry .login-card {
  align-self: center;
  justify-self: center;
  width: min(430px, 100%);
  border: 1px solid var(--pwa-line);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(14, 116, 144, 0.18);
}

.pwa-mobile-entry .login-card .brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--pwa-blue), #06b6d4);
  color: #fff;
}

.pwa-mobile-entry .login-card h2 {
  font-size: 25px;
}

.pwa-mobile-entry .login-card input {
  min-height: 52px;
  border-radius: 16px;
  font-size: 16px;
}

.pwa-mobile-entry .login-card .btn {
  min-height: 54px;
  border-radius: 18px;
  font-size: 17px;
}

.remember-account {
  display: flex !important;
  align-items: center;
  gap: 9px;
  color: #466178;
}

.remember-account input {
  width: 18px !important;
  min-height: 18px !important;
  accent-color: var(--pwa-blue);
}

.login-link-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0 10px;
}

.forgot-password-link {
  background: none;
  color: #0b7fbd;
  font-weight: 700;
}

.mobile-login-version {
  display: block;
  margin-top: 12px;
  color: #7b8fa3;
  font-size: 12px;
  font-style: normal;
  text-align: center;
}

.pwa-install-box {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--pwa-line);
  border-radius: 20px;
  background: #f1fbff;
}

.pwa-install-box strong,
.pwa-install-box span {
  display: block;
}

.pwa-install-box strong {
  color: #16415f;
}

.pwa-install-status {
  margin: 7px 0 0;
  color: var(--pwa-muted);
  font-size: 13px;
}

.pwa-install-button,
.pwa-admin-install-button {
  width: 100%;
  min-height: 46px;
  margin-top: 12px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--pwa-blue), #0284c7);
  color: #fff;
  font-weight: 800;
}

.pwa-admin-install-button {
  width: auto;
  margin-top: 0;
  padding: 0 15px;
}

.pwa-install-help {
  display: inline-block;
  margin-top: 10px;
  color: #0b7fbd;
  font-weight: 700;
}

.pwa-install-guide {
  margin: 12px 0 0;
  padding-left: 18px;
}

.pwa-install-guide li {
  margin: 7px 0;
  color: var(--pwa-muted);
}

.pwa-install-modal .qr-wrap {
  display: grid;
  place-items: center;
  margin: 15px 0;
  padding: 14px;
  border-radius: 18px;
  background: #f4fbff;
}

.pwa-install-modal .qr-wrap img {
  width: min(260px, 72vw);
  height: auto;
  image-rendering: pixelated;
}

.pwa-install-url {
  word-break: break-all;
  padding: 10px 12px;
  border-radius: 12px;
  background: #edf7fd;
  color: #0a699f;
  font-weight: 700;
}

.pwa-install-modal .module-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.pwa-toast {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 9999;
  transform: translateX(-50%);
  max-width: min(92vw, 420px);
  padding: 12px 15px;
  border-radius: 999px;
  background: #0f2d42;
  color: #fff;
  box-shadow: 0 14px 32px rgba(11, 34, 52, 0.22);
}

.pwa-install-page {
  min-height: 100vh;
  margin: 0;
  color: var(--pwa-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(14, 165, 233, 0.26), transparent 34%),
    radial-gradient(circle at 86% 18%, rgba(6, 182, 212, 0.2), transparent 30%),
    linear-gradient(180deg, #edf9ff 0%, #ffffff 58%, #f6fbff 100%);
}

.install-shell {
  width: min(920px, calc(100% - 28px));
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 0 max(30px, env(safe-area-inset-bottom));
}

.install-hero,
.install-guide-card,
.install-note-card {
  border: 1px solid var(--pwa-line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 60px rgba(14, 116, 144, 0.16);
}

.install-hero {
  display: grid;
  justify-items: center;
  padding: 28px 20px;
  text-align: center;
}

.install-logo {
  width: 82px;
  height: 82px;
  border-radius: 24px;
  box-shadow: 0 14px 28px rgba(14, 116, 144, 0.18);
}

.install-kicker {
  margin: 15px 0 0;
  color: var(--pwa-blue-dark);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.install-hero h1 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 7vw, 48px);
}

.install-subtitle {
  max-width: 660px;
  margin: 0;
  color: var(--pwa-muted);
  font-size: 17px;
  line-height: 1.7;
}

.install-feature-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 20px 0 0;
}

.install-feature-row span {
  padding: 9px 13px;
  border: 1px solid #bce6fb;
  border-radius: 999px;
  background: #effaff;
  color: #096d9f;
  font-weight: 800;
}

.install-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(720px, 100%);
  margin-top: 24px;
}

.install-primary,
.install-secondary,
.install-ghost,
.install-url-card button,
.install-guide-card a,
.install-guide-card button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 16px;
  border: 0;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
}

.install-primary,
.install-secondary,
.install-guide-card a {
  background: linear-gradient(135deg, var(--pwa-blue), #0284c7);
  color: #fff;
}

.install-ghost,
.install-url-card button,
.install-guide-card button {
  background: #e9f7ff;
  color: #0a699f;
}

.install-url-card {
  display: grid;
  gap: 7px;
  width: min(650px, 100%);
  margin-top: 18px;
  padding: 12px;
  border: 1px dashed #a7dff8;
  border-radius: 18px;
  background: #f5fcff;
  text-align: left;
}

.install-url-card span {
  color: var(--pwa-muted);
  font-size: 13px;
}

.install-url-card strong {
  word-break: break-all;
  color: var(--pwa-blue-dark);
}

.install-guide-card,
.install-note-card {
  margin-top: 16px;
  padding: 22px;
}

.install-guide-card h2,
.install-note-card h2 {
  margin: 0 0 10px;
}

.install-guide-card p,
.install-note-card li {
  color: var(--pwa-muted);
  line-height: 1.7;
}

.install-guide-card ol,
.install-note-card ol {
  margin: 10px 0 0;
  padding-left: 22px;
}

.install-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

@media (max-width: 680px) {
  .install-actions {
    grid-template-columns: 1fr;
  }

  .install-hero {
    padding: 24px 16px;
  }
}

@media print {
  .pwa-install-button,
  .pwa-admin-install-button,
  .form-actions button {
    display: none !important;
  }
}