:root {
  --bg: #0f0f16;
  --sidebar: #0c0c12;
  --card: #0c0c12;
  --input: #0a0a10;
  --accent: #baaeff;
  --accent-dim: #8a7fd4;
  --bright: #dcdceb;
  --mid: #8c8ca5;
  --dim: #5a5a73;
  --faint: #46465f;
  --border: #242434;
  --divider: #1c1c28;
  --green: #7dffa8;
  --red: #ff7d9a;
  --radius: 8px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  background: var(--bg);
  color: var(--bright);
  font-family: var(--font);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 0;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo h1 .tld {
  color: var(--mid);
  font-weight: 400;
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo p {
  font-size: 0.75rem;
  color: var(--dim);
}

nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

nav a,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--bright);
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

nav a:hover,
.btn:hover {
  border-color: var(--accent-dim);
  text-decoration: none;
}

nav a.active {
  background: #161624;
  border-color: var(--accent-dim);
  color: var(--accent);
}

.btn-primary {
  background: linear-gradient(135deg, #baaeff 0%, #8a7fd4 100%);
  border-color: transparent;
  color: #0f0f16;
  font-weight: 600;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-danger {
  background: #1e1018;
  border-color: #4a2030;
  color: var(--red);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 600;
}

.card p {
  color: var(--mid);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.hero {
  text-align: center;
  padding: 40px 16px;
}

.hero h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, #baaeff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--mid);
  max-width: 520px;
  margin: 0 auto 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--mid);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--bright);
  font-family: var(--mono);
  font-size: 0.875rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
}

textarea {
  min-height: 280px;
  resize: vertical;
  line-height: 1.4;
}

.field {
  margin-bottom: 16px;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.row .field {
  flex: 1;
  min-width: 200px;
}

.code-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--input);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  margin: 16px 0;
}

.code-display span {
  font-family: var(--mono);
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  flex: 1;
}

.status {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-top: 12px;
}

.status.ok {
  background: #102018;
  color: var(--green);
  border: 1px solid #204030;
}

.status.err {
  background: #201018;
  color: var(--red);
  border: 1px solid #402030;
}

.config-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.config-item .name {
  flex: 1;
  min-width: 140px;
  font-weight: 500;
}

.config-item .code {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
}

.config-item .date {
  font-size: 0.75rem;
  color: var(--dim);
}

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

.empty {
  text-align: center;
  padding: 32px;
  color: var(--dim);
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--dim);
}

.live-wrap {
  max-width: 1100px;
}

.live-subtitle {
  text-align: center;
  margin-bottom: 20px;
}

.live-subtitle h2 {
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
}

.live-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.live-status-bar .config-label {
  font-size: 0.85rem;
  color: var(--mid);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.live-status-bar .config-name {
  color: var(--bright);
  font-weight: 600;
  margin-left: 8px;
}

.online-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.online-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dim);
}

.online-dot.is-online::before {
  background: var(--green);
  box-shadow: 0 0 8px rgba(125, 255, 168, 0.5);
}

.live-editor {
  min-height: 420px;
  font-size: 0.8rem;
  tab-size: 2;
}

.live-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.btn-reset {
  background: transparent;
  border-color: var(--red);
  color: var(--red);
}

.btn-reset:hover {
  background: #201018;
}

.session-picker {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}

.session-picker .field {
  flex: 1;
  min-width: 220px;
  margin-bottom: 0;
}

.live-subtitle-note {
  font-size: 0.85rem;
  color: var(--dim);
  margin-top: 6px;
}

.saved-configs-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.saved-configs-hint {
  font-size: 0.8rem;
  color: var(--dim);
}

.import-config-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.import-code-field {
  flex: 1;
  min-width: 200px;
  margin-bottom: 0;
}

.config-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  min-height: 36px;
}

.config-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--input);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--bright);
  transition: border-color 0.15s, background 0.15s;
}

.config-chip:hover,
.config-chip.active {
  border-color: var(--accent-dim);
  color: var(--accent);
  background: #161624;
}

.config-chip .chip-name {
  font-weight: 600;
}

.config-chip .chip-code {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--dim);
}

.config-chip .chip-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  font-size: 1rem;
  line-height: 1;
  color: var(--dim);
  margin-left: 2px;
}

.config-chip .chip-del:hover {
  color: var(--red);
  background: #201018;
}

.config-chip .chip-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  font-size: 0.85rem;
  line-height: 1;
  color: var(--dim);
}

.config-chip .chip-share:hover {
  color: var(--accent);
  background: #161624;
}

.empty-inline {
  font-size: 0.85rem;
  color: var(--dim);
  padding: 8px 0;
}

.session-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--input);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s;
}

.session-chip:hover,
.session-chip.active {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.session-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dim);
}

.session-chip.online .dot {
  background: var(--green);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  max-width: 560px;
  width: calc(100% - 32px);
  padding: 14px 18px;
  background: #161624;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 0.85rem;
  text-align: center;
  letter-spacing: 0.03em;
  z-index: 1000;
  transition: transform 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .config-item .actions {
    width: 100%;
  }

  .config-item .actions .btn {
    flex: 1;
  }
}