:root {
  --member-navy: #06152f;
  --member-blue: #123f7b;
  --member-primary: #2f6cf3;
  --member-primary-light: #55a8ff;
  --member-text: #10284d;
  --member-sub: #536d91;
  --member-card: rgba(255, 255, 255, 0.97);
  --member-border: rgba(255, 255, 255, 0.82);
  --member-shadow: 0 24px 64px rgba(3, 15, 43, 0.27);
}

.member-page {
  min-height: 100vh;
  color: var(--member-text);
  background:
    radial-gradient(circle at 12% 7%, rgba(91, 190, 255, 0.22), transparent 28%),
    radial-gradient(circle at 88% 5%, rgba(71, 114, 255, 0.28), transparent 25%),
    linear-gradient(180deg, #153f73 0%, var(--member-navy) 57%, #eef5ff 57%, #f7faff 100%);
}

.member-shell {
  width: min(100% - 28px, 1160px);
  margin: 0 auto;
  padding: 24px 0 38px;
}

.member-top-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  margin-bottom: 18px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #eef7ff;
  background: rgba(5, 25, 58, 0.38);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 800;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.member-top-link:hover {
  background: rgba(5, 25, 58, 0.54);
}

/* Login */
.member-login-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: 30px;
  align-items: stretch;
  min-height: 650px;
}

.member-brand-panel,
.member-form-card,
.dashboard-intro,
.study-card,
.dashboard-note {
  border: 1px solid var(--member-border);
  box-shadow: var(--member-shadow);
}

.member-brand-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.72fr);
  gap: 24px;
  align-items: center;
  overflow: hidden;
  padding: 42px;
  border-color: rgba(255, 255, 255, 0.14);
  border-radius: 34px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(28, 79, 143, 0.54), rgba(5, 20, 48, 0.2)),
    #071a3b;
  box-shadow: 0 28px 76px rgba(1, 10, 31, 0.46);
}

.member-brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.12;
  pointer-events: none;
}

.member-brand-copy,
.member-brand-visual {
  position: relative;
  z-index: 1;
}

.member-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin: 0 0 18px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  color: #d9efff;
  background: rgba(70, 149, 255, 0.14);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.member-brand-title {
  margin: 0;
  font-size: clamp(3.2rem, 6.8vw, 6.3rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-shadow: 0 5px 24px rgba(0, 6, 22, 0.45);
}

.member-brand-title span {
  display: block;
  margin-bottom: 16px;
  color: #7ac7ff;
  font-size: 0.28em;
  letter-spacing: 0.08em;
}

.member-brand-lead {
  max-width: 31em;
  margin: 24px 0 0;
  color: #e8f4ff;
  font-size: 1rem;
  line-height: 1.9;
}

.member-brand-visual {
  align-self: end;
}

.member-brand-image-wrap {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: #071a3b;
  box-shadow: 0 24px 55px rgba(0, 7, 24, 0.38);
  transform: rotate(1.5deg);
}

.member-brand-image {
  display: block;
  width: 100%;
  height: auto;
}

.member-form-card {
  align-self: center;
  padding: 34px;
  border-radius: 30px;
  background: var(--member-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.member-form-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 0 0 14px;
  padding: 0 12px;
  border-radius: 999px;
  color: #1758aa;
  background: #eaf3ff;
  font-size: 0.82rem;
  font-weight: 800;
}

.member-form-card h2 {
  margin: 0;
  color: var(--member-text);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

.member-form-intro {
  margin: 12px 0 24px;
  color: var(--member-sub);
  font-size: 0.93rem;
  line-height: 1.75;
}

.member-form-card .form-label {
  margin-top: 14px;
  color: var(--member-text);
}

.member-form-card .form-input {
  min-height: 58px;
  background: #f5f8ff;
}

.member-form-card .login-submit {
  min-height: 58px;
  margin-top: 20px;
}

.member-login-help {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(31, 79, 145, 0.11);
  color: #6b809f;
  font-size: 0.82rem;
  line-height: 1.7;
}

.member-footer {
  padding-top: 24px;
  color: #6b809f;
  font-size: 0.8rem;
  text-align: center;
}

/* Dashboard */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.dashboard-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.dashboard-brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: linear-gradient(180deg, #55a8ff, #2f6cf3);
  box-shadow: 0 12px 26px rgba(16, 75, 176, 0.34);
}

.dashboard-logout {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  color: #eef7ff;
  background: rgba(5, 25, 58, 0.42);
  font-size: 0.86rem;
  font-weight: 800;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.dashboard-logout:hover {
  background: rgba(5, 25, 58, 0.58);
}

.dashboard-intro {
  position: relative;
  overflow: hidden;
  padding: 36px;
  border-color: rgba(255, 255, 255, 0.14);
  border-radius: 32px;
  color: #ffffff;
  background:
    radial-gradient(circle at 88% 4%, rgba(82, 170, 255, 0.34), transparent 31%),
    linear-gradient(135deg, #103f79, #07172f 72%);
  box-shadow: 0 26px 68px rgba(1, 10, 31, 0.4);
}

.dashboard-intro::after {
  content: "";
  position: absolute;
  top: -76px;
  right: -20px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(255, 255, 255, 0.025),
    0 0 0 86px rgba(255, 255, 255, 0.018);
}

.dashboard-intro > * {
  position: relative;
  z-index: 1;
}

.dashboard-intro h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.dashboard-intro p:last-child {
  max-width: 42em;
  margin: 18px 0 0;
  color: #e2f1ff;
  line-height: 1.85;
}

.study-section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 30px 2px 16px;
}

.study-section-title h2 {
  margin: 0;
  color: #102b55;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

.study-section-title p {
  margin: 0;
  color: #6a7f9e;
  font-size: 0.9rem;
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.study-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 226px;
  padding: 24px;
  overflow: hidden;
  border-radius: 24px;
  color: var(--member-text);
  background: var(--member-card);
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.study-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 62px rgba(3, 22, 59, 0.22);
}

.study-tag {
  align-self: flex-start;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  color: #1a579e;
  background: #eaf3ff;
  font-size: 0.76rem;
  font-weight: 900;
}

.study-card h3 {
  margin: 18px 0 0;
  color: #102b55;
  font-size: 1.2rem;
  line-height: 1.45;
}

.study-card p {
  margin: 10px 0 22px;
  color: var(--member-sub);
  font-size: 0.9rem;
  line-height: 1.72;
}

.study-open {
  margin-top: auto;
  color: var(--member-primary);
  font-size: 0.88rem;
  font-weight: 900;
}

.study-card-accent .study-tag {
  color: #08717b;
  background: #ddfbfd;
}

.study-card-accent .study-open {
  color: #078d99;
}

.study-card-purple .study-tag {
  color: #5a3ba0;
  background: #eee8ff;
}

.study-card-purple .study-open {
  color: #7153c8;
}

.dashboard-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 22px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.97);
}

.dashboard-note-mark {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(180deg, var(--member-primary-light), var(--member-primary));
  font-size: 1.2rem;
  font-weight: 900;
}

.dashboard-note h2 {
  margin: 0;
  color: #102b55;
  font-size: 1.05rem;
}

.dashboard-note p {
  margin: 5px 0 0;
  color: var(--member-sub);
  font-size: 0.9rem;
  line-height: 1.7;
}

@media (max-width: 940px) {
  .member-login-grid {
    grid-template-columns: 1fr;
    gap: 0;
    min-height: auto;
  }

  .member-brand-panel {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 0.55fr);
    padding: 32px;
  }

  .member-form-card {
    position: relative;
    z-index: 2;
    width: calc(100% - 28px);
    max-width: 600px;
    margin: -34px auto 0;
  }

  .study-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .member-shell {
    width: min(100% - 20px, 560px);
    padding-top: 14px;
  }

  .member-top-link {
    margin-bottom: 12px;
  }

  .member-brand-panel {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 26px 22px 46px;
    border-radius: 28px;
  }

  .member-brand-title {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .member-brand-visual {
    width: min(78%, 330px);
    margin: 0 auto;
  }

  .member-form-card {
    width: calc(100% - 18px);
    margin-top: -28px;
    padding: 25px 20px;
    border-radius: 25px;
  }

  .dashboard-header {
    margin-bottom: 16px;
  }

  .dashboard-brand-mark {
    width: 40px;
    height: 40px;
  }

  .dashboard-logout {
    padding: 0 14px;
  }

  .dashboard-intro {
    padding: 28px 22px;
    border-radius: 28px;
  }

  .study-section-title {
    display: block;
  }

  .study-section-title p {
    margin-top: 7px;
  }

  .study-grid {
    grid-template-columns: 1fr;
  }

  .study-card {
    min-height: 195px;
  }

  .dashboard-note {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .member-page *,
  .member-page *::before,
  .member-page *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}