:root {
  --bg-app: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --primary: #0f172a;
  --accent: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --orange: #f97316;
  --owner-header-bg: linear-gradient(140deg, #2b1d3c 0%, #302646 45%, #2d3b59 100%);
  --owner-header-glow: radial-gradient(120% 140% at 85% 0%, rgba(255, 143, 92, 0.35) 0%, rgba(255, 143, 92, 0) 60%);
  --owner-header-text: #f8fafc;
  --owner-header-muted: rgba(255, 255, 255, 0.7);
  --owner-header-search: rgba(15, 23, 42, 0.35);
  --owner-header-search-border: rgba(255, 255, 255, 0.12);
  --owner-header-filter-bg: var(--surface);
  --owner-header-filter-color: var(--text-main);
  --owner-header-shadow: 0 20px 40px -26px rgba(15, 23, 42, 0.7);
  --event-glass-bg: rgba(255, 255, 255, 0.72);
  --event-glass-border: rgba(148, 163, 184, 0.35);
  --event-glass-shadow: 0 18px 28px -22px rgba(15, 23, 42, 0.45);
  --event-accent-blue: linear-gradient(90deg, rgba(59, 130, 246, 0.9), rgba(96, 165, 250, 0.35));
  --event-accent-violet: linear-gradient(90deg, rgba(139, 92, 246, 0.9), rgba(167, 139, 250, 0.35));
  --event-accent-teal: linear-gradient(90deg, rgba(20, 184, 166, 0.9), rgba(94, 234, 212, 0.35));
  --event-accent-amber: linear-gradient(90deg, rgba(249, 115, 22, 0.9), rgba(253, 186, 116, 0.35));
  --event-pill-bg: rgba(255, 255, 255, 0.7);
  --event-pill-border: rgba(148, 163, 184, 0.35);
  --share-hint-ring: rgba(37, 99, 235, 0.35);
  --event-glow-blue: radial-gradient(120% 140% at 85% 0%, rgba(255, 143, 92, 0.35) 0%, rgba(255, 143, 92, 0) 60%);
  --event-glow-violet: radial-gradient(120% 140% at 85% 0%, rgba(139, 92, 246, 0.35) 0%, rgba(139, 92, 246, 0) 60%);
  --event-glow-teal: radial-gradient(120% 140% at 85% 0%, rgba(96, 165, 250, 0.35) 0%, rgba(96, 165, 250, 0) 60%);
  --event-glow-orange: radial-gradient(120% 140% at 85% 0%, rgba(196, 181, 253, 0.35) 0%, rgba(196, 181, 253, 0) 60%);
  --grad-blue: var(--event-glow-blue), linear-gradient(140deg, #241336 0%, #2f2163 45%, #3b82f6 100%);
  --grad-violet: var(--event-glow-violet), linear-gradient(140deg, #22112f 0%, #3b1f6b 45%, #7c3aed 100%);
  --grad-teal: var(--event-glow-teal), linear-gradient(140deg, #1a1f3f 0%, #2c3c77 45%, #60a5fa 100%);
  --grad-orange: var(--event-glow-orange), linear-gradient(140deg, #2a1438 0%, #45215f 45%, #8b5cf6 100%);
  --sp-xs: 4px;
  --sp-s: 8px;
  --sp-m: 16px;
  --sp-l: 24px;
  --rad-s: 8px;
  --rad-m: 12px;
  --rad-l: 16px;
  --rad-xl: 24px;
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --font-main: "Satoshi", sans-serif;
  --font-display: "Cabinet Grotesk", sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0 0 40px;
  font-family: var(--font-main);
  background: var(--bg-app);
  color: var(--text-main);
}

body.is-loading {
  overflow: hidden;
}

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

[hidden] {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 550px;
  margin: 0 auto;
  padding: 0 var(--sp-m);
}

.view {
  min-height: 100vh;
  padding-top: var(--sp-m);
  position: relative;
}

.view-loading {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}

.view.is-loading .view-loading {
  opacity: 1;
  pointer-events: all;
}

.view.is-loading > :not(.view-loading) {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(15, 23, 42, 0.15);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--rad-m);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--owner-header-bg);
  color: #ffffff;
}

.btn--ghost {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn--dark {
  background: var(--owner-header-bg);
  color: #ffffff;
}

.btn--xl {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  border-radius: var(--rad-l);
}

.btn--block {
  width: 100%;
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #f1f5f9;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #f1f5f9;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-icon-sm {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px;
}

.input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  -webkit-appearance: none;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rad-m);
  font-size: 16px;
  transition: 0.2s;
}

select.input {
  -webkit-appearance: auto;
  appearance: auto;
}

.input-wrap {
  position: relative;
  display: grid;
  width: 100%;
}

.input-wrap::after {
  content: attr(data-placeholder);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.input-wrap.has-value::after,
.input-wrap:focus-within::after {
  opacity: 0;
}

.input-wrap input {
  color: var(--text-main);
}

.input-wrap input:invalid:not(:focus) {
  color: transparent;
}

.input:focus {
  border-color: var(--text-main);
  outline: none;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

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

.field-row > div {
  flex: 1;
  min-width: 0;
}

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

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

.segment {
  display: flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: var(--rad-m);
}

.segment label {
  flex: 1;
  text-align: center;
  cursor: pointer;
}

.segment input {
  display: none;
}

.segment span {
  display: block;
  padding: 10px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  transition: 0.2s;
}

.segment input:checked + span {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.sheet-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.bottom-sheet {
  background: var(--surface);
  width: 100%;
  max-width: 550px;
  margin: 0 auto;
  border-radius: var(--rad-xl) var(--rad-xl) 0 0;
  padding: 24px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sheet-overlay.active .bottom-sheet {
  transform: translateY(0);
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.sheet-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0;
}

.onboarding {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  z-index: 1000;
}

.onboarding__panel {
  width: 100%;
  max-width: 520px;
  background: var(--surface);
  border-radius: var(--rad-xl);
  padding: var(--sp-m);
  box-shadow: var(--shadow-float);
  display: grid;
  gap: 16px;
}

.onboarding__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.onboarding__header--owner {
  background: var(--owner-header-glow), var(--owner-header-bg);
  color: var(--owner-header-text);
  border-radius: var(--rad-l);
  padding: var(--sp-m);
  position: relative;
  box-shadow: var(--owner-header-shadow);
  overflow: hidden;
}

.onboarding__header--owner .onboarding__title {
  color: var(--owner-header-text);
  text-align: center;
  width: 100%;
  margin: 0;
}

.onboarding__header--owner.onboarding__header--has-close .onboarding__title {
  padding: 0 calc(var(--sp-l) + var(--sp-s));
}

.onboarding__header--owner .icon-btn {
  position: absolute;
  right: var(--sp-m);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.18);
  color: var(--owner-header-text);
}

.onboarding__header--solo {
  justify-content: flex-end;
}

.onboarding__title {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0;
  white-space: pre-line;
}

.onboarding__progress {
  height: 6px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.onboarding__progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--primary);
  transition: width 0.3s ease;
}

.onboarding__actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.onboarding__actions.is-single {
  justify-content: stretch;
}

.onboarding__actions.is-single .btn {
  width: 100%;
}

.onboarding__actions:empty {
  display: none;
}

.onboarding .btn {
  padding: 12px 18px;
  min-height: 44px;
  font-size: 15px;
}

.onboarding .btn.is-loading {
  position: relative;
  padding-right: 44px;
}

.onboarding .btn.is-loading::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  opacity: 0.75;
  animation: spin 0.6s linear infinite;
}

.onboarding .btn.is-done {
  background: var(--success);
  color: #ffffff;
}

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

.onboarding__qr-step {
  display: grid;
  gap: 12px;
  text-align: center;
}

.onboarding__qr-wrap {
  display: flex;
  justify-content: center;
}

.onboarding__qr {
  width: 168px;
  aspect-ratio: 1 / 1;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 32px -24px rgba(15, 23, 42, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(120px 120px at 80% 0%, rgba(59, 130, 246, 0.12), transparent 60%),
    linear-gradient(145deg, #ffffff 0%, #eef2f9 100%);
}

.onboarding__qr-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 16px;
}

.onboarding__qr::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 12px;
  background:
    linear-gradient(rgba(15, 23, 42, 0.28) 0 0) 0 0 / 28px 28px no-repeat,
    linear-gradient(rgba(15, 23, 42, 0.28) 0 0) 100% 0 / 28px 28px no-repeat,
    linear-gradient(rgba(15, 23, 42, 0.28) 0 0) 0 100% / 28px 28px no-repeat,
    radial-gradient(circle, rgba(15, 23, 42, 0.18) 1.6px, transparent 1.8px) 0 0 / 9px 9px;
  opacity: 0.82;
}

.onboarding__qr::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  height: 2px;
  top: 16%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.45), transparent);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
  animation: qrScan 2.4s ease-in-out infinite;
}

.onboarding__qr-label {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.onboarding h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
}

.onboarding p {
  margin: 0 0 8px;
  color: var(--text-muted);
}

.onboarding p strong {
  color: var(--text-main);
  font-weight: 700;
}

@media (max-width: 520px) {
  .field-row {
    flex-direction: column;
  }

  .onboarding .btn {
    font-size: 16px;
  }
}

.toast-stack {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #1e293b;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-float);
  text-align: center;
}

.toast--success {
  background: #0f766e;
}

.toast--error {
  background: #991b1b;
}

.toast--info {
  background: #1d4ed8;
}

.card-error {
  background: var(--surface);
  border-radius: var(--rad-xl);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.view--error .container {
  padding-top: 40px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes qrScan {
  0% {
    transform: translateY(0);
    opacity: 0.35;
  }
  50% {
    transform: translateY(88px);
    opacity: 0.8;
  }
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }
}