:root {
  --bg: #070d16;
  --bg-soft: #0f1b2b;
  --surface: rgba(13, 24, 39, 0.78);
  --surface-strong: #13243a;
  --text: #ecf3ff;
  --text-soft: #adbed7;
  --accent: #4dd4c6;
  --accent-2: #72b3ff;
  --line: rgba(165, 191, 223, 0.28);
  --ok: #5fe7a8;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
}

:root[data-theme="light"] {
  --bg: #eef3fa;
  --bg-soft: #dce8f5;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #142136;
  --text-soft: #516684;
  --accent: #0e8a85;
  --accent-2: #2e66c9;
  --line: rgba(20, 33, 54, 0.2);
  --ok: #0f985a;
  --shadow: 0 15px 40px rgba(42, 67, 99, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% -10%, #1d3d63, var(--bg) 55%);
  color: var(--text);
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(40rem 24rem at 85% 20%, color-mix(in srgb, var(--accent-2) 24%, transparent), transparent),
    radial-gradient(35rem 24rem at 10% 90%, color-mix(in srgb, var(--accent) 25%, transparent), transparent);
  pointer-events: none;
}

.app-shell {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

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

.eyebrow {
  margin: 0;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.6rem, 2.8vw, 2.5rem);
}

h2 {
  margin: 0;
  font-size: 1.2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(6px);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card-status,
.auth-card {
  margin-bottom: 1rem;
}

.menu-row {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tab {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.tab.active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #051423;
}

.panel {
  margin-bottom: 1rem;
}

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

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.stack {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

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

.auth-grid button {
  grid-column: 1 / -1;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 0.58rem 0.72rem;
}

button {
  border: none;
  border-radius: 10px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #051423;
  font-weight: 700;
  padding: 0.62rem 0.8rem;
  cursor: pointer;
}

.ghost,
.theme-toggle {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.list li {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 75%, transparent);
  border-radius: 10px;
  padding: 0.62rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.suggestions {
  max-height: 260px;
  overflow: auto;
}

.suggestions li {
  padding: 0.5rem;
  align-items: center;
}

.list li small {
  color: var(--text-soft);
}

.suggestion-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 80%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  font-size: 0.62rem;
  text-align: center;
  overflow: hidden;
  flex: 0 0 44px;
}

.suggestion-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
  align-items: center;
}

.ok {
  color: var(--ok);
  font-weight: 700;
}

.danger {
  color: #ff9fa7;
  border-color: rgba(255, 140, 150, 0.45);
}

.error {
  color: #ff7d8a;
}

.muted,
.session-text {
  color: var(--text-soft);
}

.qr-wrap {
  margin-top: 0.8rem;
  display: flex;
  justify-content: center;
}

.qr-wrap img {
  width: 220px;
  height: 220px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

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

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