:root {
  color-scheme: light;
  --bg: #e9f1ff;
  --bg-strong: #d8e7ff;
  --card: rgba(255, 255, 255, 0.9);
  --card-border: rgba(0, 119, 255, 0.14);
  --text: #1f2633;
  --muted: #64748b;
  --accent: #0077ff;
  --accent-strong: #005fe0;
  --accent-soft: rgba(0, 119, 255, 0.1);
  --blue-soft: rgba(78, 141, 255, 0.14);
  --shadow: 0 24px 60px rgba(32, 84, 160, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(0, 119, 255, 0.18), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(39, 135, 245, 0.14), transparent 22%),
    linear-gradient(180deg, #f6faff 0%, var(--bg) 52%, #edf4ff 100%);
}

.app-shell {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.ambient {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(24px);
  opacity: 0.45;
  pointer-events: none;
}

.ambient-left {
  top: -120px;
  left: -140px;
  background: rgba(0, 119, 255, 0.18);
}

.ambient-right {
  right: -120px;
  bottom: -140px;
  background: rgba(39, 135, 245, 0.18);
}

.app {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.card {
  background: var(--card);
  backdrop-filter: blur(22px);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero,
.notice,
.tabs,
.profile {
  padding: 28px;
}

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.8fr);
  align-items: center;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(28px, 3.6vw, 36px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.hero-text,
.tab-caption,
.meta,
.section-note,
.empty-state {
  color: var(--muted);
}

.hero-status {
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 119, 255, 0.12), rgba(78, 141, 255, 0.18));
  font-size: 15px;
  line-height: 1.6;
}

.notice,
.profile,
.tabs {
  margin-top: 20px;
}

.info-item,
.metric,
.panel,
.notice {
  border: 1px solid rgba(0, 119, 255, 0.08);
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.primary-button {
  color: #fffdf7;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 16px 28px rgba(0, 119, 255, 0.24);
}

.ghost-button,
.tab-button {
  color: var(--text);
  background: rgba(244, 248, 255, 0.92);
  border: 1px solid rgba(0, 119, 255, 0.12);
}

.profile {
  display: grid;
  gap: 18px;
}

.profile-head {
  display: flex;
  gap: 16px;
  align-items: center;
}

.profile-head img {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 12px 30px rgba(0, 92, 191, 0.18);
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 247, 255, 0.88));
}

.metric-value {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.metric-label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.tabs-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.tabs-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.tab-button.active {
  color: #fffdf7;
  background: linear-gradient(135deg, var(--accent), #2787f5);
  box-shadow: 0 16px 30px rgba(0, 119, 255, 0.24);
}

.tab-content {
  margin-top: 24px;
}

.tab-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(242, 247, 255, 0.92));
}

.panel h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
}

.section-note {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.people-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.person {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-radius: 20px;
  background: rgba(241, 247, 255, 0.96);
  border: 1px solid rgba(0, 119, 255, 0.08);
  text-decoration: none;
  color: inherit;
}

.person img {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  object-fit: cover;
}

.person-name {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.meta {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.45;
}

.source-friend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 6px 10px 6px 6px;
  border-radius: 999px;
  background: rgba(0, 119, 255, 0.08);
}

.source-friend-photo {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
}

.source-friend-name {
  font-size: 13px;
  color: var(--text);
  line-height: 1;
}

.hidden {
  display: none;
}

.empty-state {
  padding: 18px;
  border-radius: 20px;
  background: rgba(244, 248, 255, 0.88);
  margin-top: 18px;
  line-height: 1.55;
}

.notice {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 247, 255, 0.92));
}

.notice-text {
  line-height: 1.5;
}

.notice-actions {
  margin-top: 16px;
}

@media (max-width: 900px) {
  .hero,
  .tab-panels,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .tabs-header {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .app {
    width: min(100vw - 20px, 1100px);
    padding-top: 12px;
  }

  .hero,
  .notice,
  .tabs,
  .profile {
    padding: 20px;
    border-radius: 24px;
  }

  .profile-head {
    align-items: start;
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}