:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --ink: #172033;
  --muted: #5d687a;
  --line: #d9e0ea;
  --panel: #ffffff;
  --accent: #0b6bcb;
  --accent-dark: #074f96;
  --ok: #15a36d;
  --warn-bg: #fff6db;
  --warn-line: #ead18b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Microsoft YaHei",
    sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, var(--bg) 360px),
    var(--bg);
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.summary {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.device-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 14px 30px rgba(23, 32, 51, 0.06);
}

.device-card {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: 250px;
  padding: 16px;
}

.device-card strong,
.device-card span {
  display: block;
}

.device-card span {
  color: var(--muted);
  font-size: 14px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(21, 163, 109, 0.12);
}

.panel {
  padding: 24px;
}

.action-panel {
  margin-bottom: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.panel-head p,
.compact p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.confirm {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 24px 0 18px;
  padding: 14px 16px;
  border: 1px solid var(--warn-line);
  border-radius: 8px;
  background: var(--warn-bg);
  font-weight: 650;
  line-height: 1.5;
}

.confirm input {
  width: 20px;
  height: 20px;
  margin-top: 1px;
  accent-color: var(--accent);
}

.install-wrap {
  display: flex;
  align-items: center;
  min-height: 54px;
}

.install-wrap.disabled {
  opacity: 0.55;
}

.primary-button,
esp-web-install-button::part(button) {
  min-width: 180px;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--accent);
  font-size: 16px;
  font-weight: 750;
  cursor: pointer;
}

.primary-button:hover,
esp-web-install-button::part(button):hover {
  background: var(--accent-dark);
}

.primary-button:disabled {
  cursor: not-allowed;
}

.unsupported {
  color: #9b2c2c;
  font-weight: 700;
}

.note {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.config-panel {
  margin-top: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.form-grid label {
  display: grid;
  gap: 8px;
}

.form-grid label.wide {
  grid-column: 1 / -1;
}

body:not(.custom-provider) .custom-url-row {
  display: none;
}

.form-grid span {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.form-grid input,
.form-grid select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.secondary-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  color: #ffffff;
  background: var(--ink);
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
}

.secondary-button.subtle {
  color: var(--ink);
  background: #e8edf5;
}

.config-log {
  min-height: 92px;
  margin: 18px 0 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: #d7e2f2;
  background: #101827;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

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

.checklist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: #eef2f7;
  color: #10223b;
}

.message-dialog {
  width: min(440px, calc(100% - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  box-shadow: 0 22px 70px rgba(23, 32, 51, 0.22);
}

.message-dialog::backdrop {
  background: rgba(23, 32, 51, 0.18);
}

.message-dialog form {
  display: grid;
  gap: 14px;
  margin: 0;
}

.message-dialog h2,
.message-dialog p {
  margin: 0;
}

.message-dialog p {
  color: var(--muted);
  line-height: 1.7;
}

.message-dialog button {
  justify-self: end;
  min-width: 84px;
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 24px, 1080px);
    padding: 28px 0;
  }

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

  .device-card {
    min-width: 0;
  }

  .panel {
    padding: 18px;
  }

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