:root {
  color-scheme: dark;
  --bg: #101318;
  --panel: #181d24;
  --panel-2: #202732;
  --line: #303946;
  --text: #f4f7fb;
  --muted: #9aa8b7;
  --accent: #41d19b;
  --accent-2: #77a7ff;
  --danger: #ff6b6b;
  --warn: #f6c35f;
  --radius: 8px;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(65, 209, 155, 0.08), transparent 260px),
    var(--bg);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #07120e;
  font-weight: 700;
}

button.danger {
  border-color: rgba(255, 107, 107, 0.4);
  color: var(--danger);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0d1015;
  color: var(--text);
  padding: 12px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-2);
}

.app-shell {
  width: min(100%, 760px);
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 18px 16px 88px;
}

.view {
  display: none;
}

.view-active {
  display: block;
}

.topbar,
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.kicker,
.muted,
.subline {
  margin: 0;
  color: var(--muted);
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

.status-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
}

.status-pill.ok {
  border-color: rgba(65, 209, 155, 0.45);
  color: var(--accent);
}

.status-pill.bad {
  border-color: rgba(255, 107, 107, 0.45);
  color: var(--danger);
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(119, 167, 255, 0.12), rgba(65, 209, 155, 0.1)), var(--panel);
  padding: 22px;
}

.countdown {
  margin: 8px 0;
  font-size: clamp(42px, 15vw, 76px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.summary-item {
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px;
}

.summary-item span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.summary-item strong {
  display: block;
  margin-top: 8px;
  overflow-wrap: anywhere;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.actions.compact {
  grid-template-columns: 1fr 1fr;
}

.form {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

label span {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.label-title {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.login-panel {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(119, 167, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(119, 167, 255, 0.08);
  padding: 14px;
}

.advanced-field {
  opacity: 0.86;
}

small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.45;
}

.log-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.log-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 11px 12px;
  line-height: 1.45;
}

.log-time {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.log-success {
  border-color: rgba(65, 209, 155, 0.4);
}

.log-success .log-message {
  color: var(--accent);
}

.log-error {
  border-color: rgba(255, 107, 107, 0.38);
}

.log-error .log-message {
  color: var(--danger);
}

.log-warn .log-message {
  color: var(--warn);
}

.tabbar {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 10;
  display: grid;
  width: min(100%, 760px);
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px 12px max(10px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  border-top: 1px solid var(--line);
  background: rgba(16, 19, 24, 0.96);
  backdrop-filter: blur(12px);
}

.tabbar button {
  min-height: 46px;
}

.tabbar .tab-active {
  border-color: rgba(65, 209, 155, 0.5);
  color: var(--accent);
}

.success-dialog {
  width: min(calc(100% - 36px), 440px);
  border: 1px solid rgba(65, 209, 155, 0.55);
  border-radius: var(--radius);
  background: #111811;
  color: var(--text);
  padding: 24px;
}

.success-dialog::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.success-dialog h2 {
  font-size: 30px;
  margin-bottom: 10px;
}

@media (max-width: 520px) {
  .app-shell {
    padding-inline: 12px;
  }

  .form-row,
  .actions {
    grid-template-columns: 1fr;
  }

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