:root {
  --bg: #08111e;
  --panel: #111d2d;
  --panel-border: #223a56;
  --text: #e9f2ff;
  --muted: #9eb6d4;
  --accent: #4dd0e1;
  --accent-2: #f6bd60;
  --danger: #ff5d73;
  --ok: #66d99b;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 10% 20%, #10243f 0%, var(--bg) 55%);
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  min-height: 100vh;
}

.bg-glow {
  position: fixed;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.18;
  z-index: 0;
}

.bg-glow-a {
  width: 300px;
  height: 300px;
  top: -40px;
  right: 0;
  background: #4dd0e1;
}

.bg-glow-b {
  width: 280px;
  height: 280px;
  bottom: -70px;
  left: 15%;
  background: #f6bd60;
}

.page {
  position: relative;
  z-index: 1;
  width: min(1280px, 94vw);
  margin: 24px auto 36px;
  display: grid;
  gap: 16px;
}

.hero h1 {
  margin: 0 0 8px;
  letter-spacing: 0.04em;
  font-size: clamp(24px, 3.2vw, 36px);
}

.hero-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: linear-gradient(140deg, rgba(17, 29, 45, 0.95), rgba(10, 19, 31, 0.95));
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.auth-panel {
  border-color: #3f5f85;
  background: linear-gradient(145deg, rgba(17, 33, 52, 0.95), rgba(11, 21, 33, 0.95));
}

.grid {
  display: grid;
  gap: 12px;
}

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

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stack {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  background: #0a1523;
  color: var(--text);
  border: 1px solid #2d4867;
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
  transition: border-color .2s ease, transform .2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  border: 1px solid #3a5675;
  background: #16304d;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(120deg, #0f6f7c, #22818d);
  border-color: #36a8b3;
}

.btn-danger {
  background: #4e1721;
  border-color: #8a3243;
}

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

.status-line {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.session-list {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.session-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid #2b425f;
  border-radius: 10px;
  background: rgba(9, 20, 34, 0.72);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.session-item:hover {
  transform: translateY(-1px);
  border-color: #3e628a;
  background: rgba(12, 24, 39, 0.86);
}

.session-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(77, 208, 225, 0.35) inset;
}

.session-meta {
  display: grid;
  gap: 3px;
}

.session-id {
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-desc {
  color: var(--muted);
  font-size: 12px;
}

.session-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}

.dot-running {
  background: #66d99b;
  box-shadow: 0 0 0 4px rgba(102, 217, 155, 0.16);
}

.dot-stopped {
  background: #ff5d73;
  box-shadow: 0 0 0 4px rgba(255, 93, 115, 0.14);
}

.session-dot-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.session-actions {
  display: flex;
  gap: 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.card {
  background: rgba(8, 17, 30, 0.75);
  border: 1px solid #2b425f;
  border-radius: 12px;
  padding: 12px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 14px;
}

.card p {
  margin: 6px 0;
  color: var(--text);
  font-size: 13px;
}

.mini-title {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.qr-image {
  width: 180px;
  height: 180px;
  border-radius: 10px;
  border: 1px solid #2b425f;
  background: #fff;
  margin: 6px 0;
}

#qrLink {
  color: var(--accent);
  text-decoration: none;
  font-size: 12px;
}

.qr-alt-links {
  margin-top: 6px;
  display: grid;
  gap: 4px;
}

#refreshQrBtn.hidden {
  display: none !important;
}

.qr-alt-links a {
  color: #9fdfff;
  font-size: 12px;
  text-decoration: none;
}

#logs {
  margin: 0;
  max-height: 360px;
  overflow: auto;
  white-space: pre-wrap;
  background: #070d17;
  border: 1px solid #233a56;
  border-radius: 10px;
  padding: 12px;
  color: #d6f0ff;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.5;
}

.friend-list {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.friend-item {
  border: 1px solid #2b425f;
  border-radius: 12px;
  background: rgba(8, 17, 30, 0.75);
  padding: 10px;
  display: grid;
  gap: 10px;
}

.friend-head {
  display: grid;
  gap: 4px;
}

.friend-name {
  font-weight: 700;
  color: var(--accent-2);
}

.friend-meta,
.friend-preview,
.friend-empty {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.friend-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.friend-actions .btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .grid.two,
  .cards {
    grid-template-columns: 1fr;
  }

  .grid.three,
  .grid.four {
    grid-template-columns: 1fr;
  }
}