* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f7fb;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --surface-muted: #eef2f7;
  --text: #0f1728;
  --muted: #5b667a;
  --line: #d7dee8;
  --line-soft: #e7edf4;
  --blue: #2f6bff;
  --blue-strong: #245bf0;
  --blue-soft: #4b7dff;
  --danger: #d70015;
  --ok: #1e8e3e;
  --focus: #3b82f6;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-2: 0 6px 18px rgba(16, 24, 40, 0.08);
  --shadow-3: 0 12px 30px rgba(16, 24, 40, 0.12);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, #ffffff 0%, #eceff3 32%, transparent 60%),
    radial-gradient(circle at 85% 5%, #ffffff 0%, #edf0f5 28%, transparent 58%),
    var(--bg);
}

.container {
  max-width: 980px;
  margin: 28px auto;
  padding: 0 16px 32px;
  display: grid;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-3);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
}

.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, rgba(88, 126, 255, 0.16) 0%, rgba(88, 126, 255, 0) 68%),
    var(--surface-strong);
}

.hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.22), rgba(0, 113, 227, 0));
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: #4b4b52;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(30px, 4.2vw, 42px);
  line-height: 1.08;
}

h2 {
  font-size: 22px;
  font-weight: 640;
}

h3 {
  font-size: 18px;
  font-weight: 620;
}

.muted {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.45;
}

.compact {
  margin-bottom: 0;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
  background: var(--surface-muted);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 5px;
}

.tab,
.menu-btn,
button,
input,
select {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.tab,
.menu-btn,
button {
  padding: 10px 13px;
  cursor: pointer;
  background: var(--surface-strong);
  transition: all 0.18s cubic-bezier(.2, .8, .2, 1);
}

.tab.active,
.menu-btn.active {
  border-color: #d0d7e2;
  background: #fff;
  color: #0f1728;
  box-shadow: var(--shadow-1), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.tab:not(.active) {
  background: transparent;
  border-color: transparent;
  color: #667085;
  font-weight: 500;
}

label {
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  color: #44444a;
}

.form {
  display: none;
  gap: 8px;
}

.form.active {
  display: grid;
}

.form.hidden {
  display: none;
}

input,
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  background: #fff;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(47, 107, 255, 0.45);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

button {
  background: linear-gradient(180deg, var(--blue-soft) 0%, var(--blue) 100%);
  color: #fff;
  border-color: #3c6ff6;
  box-shadow: var(--shadow-1), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  font-weight: 600;
}

button:hover {
  background: linear-gradient(180deg, #678fff 0%, var(--blue-strong) 100%);
  border-color: var(--blue-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

button.ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
  box-shadow: var(--shadow-1);
}

button.ghost:hover {
  background: #f8fbff;
}

button:focus-visible,
.tab:focus-visible,
.menu-btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

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

.hidden {
  display: none;
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(88, 126, 255, 0.14) 0%, rgba(88, 126, 255, 0) 70%),
    #ffffff;
}

.menu {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.menu-btn {
  color: #2e2e33;
  background: #fff;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.onboarding-progress {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 8px 0 14px;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: #fbfbfd;
}

.progress-dot {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #555;
  background: #fff;
}

.progress-text {
  font-size: 12px;
  font-weight: 600;
  color: #4a4a51;
  line-height: 1.2;
}

.progress-step.is-current {
  border-color: rgba(0, 113, 227, 0.32);
  background: rgba(0, 113, 227, 0.08);
}

.progress-step.is-current .progress-dot {
  border-color: var(--blue);
  color: var(--blue);
}

.progress-step.is-done {
  border-color: #c8ecd7;
  background: #ecf9f1;
}

.progress-step.is-done .progress-dot {
  border-color: var(--ok);
  background: var(--ok);
  color: #fff;
}

.step-card {
  margin-top: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 12px;
  background: #fff;
  box-shadow: var(--shadow-1);
}

.step-card h4 {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.connect-tabs {
  max-width: 320px;
}

.scan-hint {
  margin: 10px 0 8px;
  font-size: 13px;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scan-hint-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid #9cb5ff;
  color: #1f56ea;
  background: #eef3ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.scan-guide {
  margin: 0 0 8px 18px;
  padding: 0;
  color: #475569;
  font-size: 13px;
  line-height: 1.45;
}

.scan-guide li {
  margin: 2px 0;
}

.pairing-hint {
  margin: 2px 0 8px;
  font-size: 13px;
  color: #334155;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}

.pairing-guide {
  margin: 0 0 8px 18px;
  padding: 0;
  color: #475569;
  font-size: 13px;
  line-height: 1.45;
}

.pairing-guide li {
  margin: 2px 0;
}

.pairing-code-wrap {
  margin-top: 6px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid #dbe7ff;
  background: #f6f9ff;
}

#pairing-code-value {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.success-note {
  margin: 0 0 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #c8ecd7;
  background: #ecf9f1;
  color: #0f5b2b;
  font-size: 12px;
  font-weight: 600;
}

button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.status-box {
  background: #fbfbfd;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 10px;
}

.grow {
  flex: 1;
}

.broadcast-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 10px;
}

.step-chip {
  font-size: 12px;
  font-weight: 600;
  color: #31507f;
  background: #eef3ff;
  border: 1px solid #dbe7ff;
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
}

.step-chip.active {
  background: #dfeaff;
  border-color: #bcd3ff;
  color: #123f9b;
}

.step-chip.done {
  background: #ecf9f1;
  border-color: #c8ecd7;
  color: #0f5b2b;
}

.broadcast-step-card {
  display: none;
}

.broadcast-step-card.is-active {
  display: block;
}

.wizard-actions {
  margin-top: 10px;
  justify-content: space-between;
}

.broadcast-progress {
  margin-top: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 10px;
  background: #fbfcff;
}

.broadcast-progress__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.broadcast-progress__title {
  font-size: 13px;
  color: #1e293b;
}

.broadcast-progress__status-pill {
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border: 1px solid #dbe4f0;
  background: #f3f6fb;
  color: #334155;
}

.broadcast-progress__main {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.broadcast-progress__percent {
  font-size: 30px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #1e3a8a;
}

.broadcast-progress__count {
  font-size: 13px;
  color: #334155;
  font-weight: 600;
}

.broadcast-progress__bar {
  margin-top: 8px;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #dbe7ff;
  background: #edf2ff;
}

.broadcast-progress__bar-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
  transition: width 320ms ease;
}

.broadcast-progress__meta {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  font-size: 12px;
  color: #475569;
}

.broadcast-progress__helper {
  margin: 8px 0 0;
  font-size: 12px;
  color: #475569;
}

.broadcast-count-box {
  margin-top: 8px;
  margin-bottom: 8px;
  background: #f8fbff;
  border-color: #dbe7ff;
}

.broadcast-count-value {
  display: block;
  font-size: 22px;
  line-height: 1.1;
  font-weight: 760;
  color: #1e3a8a;
}

.broadcast-progress.is-sending .broadcast-progress__status-pill {
  background: #e8f1ff;
  border-color: #cfe0ff;
  color: #1e40af;
}

.broadcast-progress.is-success .broadcast-progress__status-pill {
  background: #ecf9f1;
  border-color: #c8ecd7;
  color: #0f5b2b;
}

.broadcast-progress.is-error .broadcast-progress__status-pill {
  background: #ffe8ec;
  border-color: #ffd0d8;
  color: #7a0015;
}

@media (max-width: 680px) {
  .broadcast-progress__main {
    align-items: flex-start;
    flex-direction: column;
  }

  .broadcast-progress__meta {
    grid-template-columns: 1fr;
  }
}

.advanced-box {
  margin-top: 8px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 8px 10px;
  background: #fafcff;
}

.advanced-box > summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 8px;
}

.status-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.badge {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.badge.off {
  color: #7a0015;
  background: #ffe8ec;
  border-color: #ffd0d8;
}

.badge.on {
  color: #0f5b2b;
  background: #e8f7ee;
  border-color: #c8ecd7;
}

.badge.neutral {
  color: #313136;
  background: #efeff3;
  border-color: #ddddE4;
}

.qr-wrap {
  margin-top: 10px;
}

#qr-image {
  display: none;
  width: 240px;
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.result {
  margin-top: 10px;
  min-height: 52px;
  padding: 10px;
  border-radius: 12px;
  background: #fbfbfd;
  border: 1px solid #e2e2e7;
  color: #111;
  font-size: 12px;
  overflow: auto;
}

.table-wrap {
  margin-top: 10px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: middle;
}

th {
  color: #57575e;
  background: #f7f7fa;
}

tr:last-child td {
  border-bottom: none;
}

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

.btn-small {
  padding: 7px 10px;
  font-size: 12px;
  border-radius: 9px;
}

.btn-on {
  background: var(--ok);
  border-color: var(--ok);
}

.btn-off {
  background: var(--danger);
  border-color: var(--danger);
}

@media (max-width: 720px) {
  .container {
    margin-top: 14px;
    padding: 0 12px 24px;
  }

  .card {
    border-radius: 16px;
    padding: 14px;
  }

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

  .onboarding-progress {
    grid-template-columns: 1fr;
  }

  .app-header {
    flex-direction: column;
  }
}