:root {
  --ink: #18212b;
  --ink-soft: #46515e;
  --muted: #707b88;
  --line: #dde2e7;
  --line-strong: #cdd4dc;
  --canvas: #f3f4f5;
  --surface: #ffffff;
  --surface-soft: #f8f9fa;
  --sidebar: #18212b;
  --sidebar-raised: #222d38;
  --sidebar-line: #34404c;
  --accent: #d72631;
  --accent-dark: #b91f29;
  --accent-soft: #fff0f1;
  --success: #168454;
  --success-soft: #eaf7f0;
  --warning: #a96508;
  --warning-soft: #fff6e5;
  --danger: #c52932;
  --danger-soft: #fff0f1;
  --info: #245f9c;
  --info-soft: #edf5fc;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(18, 28, 38, 0.05), 0 8px 24px rgba(18, 28, 38, 0.04);
}

html {
  background: var(--canvas);
}

body {
  min-width: 320px;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI Variable", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(215, 38, 49, 0.2);
  outline-offset: 2px;
}

.container {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: 72px;
  align-items: center;
  width: min(1120px, calc(100% - 48px));
  min-height: 100vh;
  max-width: none;
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-brand,
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-badge {
  margin-top: 76px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.hero h1 {
  max-width: 640px;
  margin: 18px 0;
  color: var(--ink);
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 650;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero-copy {
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.65;
}

.auth-trust-row {
  display: flex;
  gap: 24px;
  margin-top: 46px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-trust-row span {
  position: relative;
  padding-left: 16px;
}

.auth-trust-row span::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
  transform: translateY(-50%);
}

#authScreen .card {
  margin: 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: none;
}

#authScreen .card h2 {
  margin-bottom: 7px;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.step-indicator {
  justify-content: flex-start;
  gap: 6px;
  margin-bottom: 28px;
}

.step-dot {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: #e5e8eb;
}

.step-dot.active {
  background: var(--accent);
}

.step-dot.done {
  background: var(--success);
}

label {
  margin: 18px 0 7px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

input,
select {
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input:hover,
select:hover {
  border-color: #aeb7c1;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(215, 38, 49, 0.1);
  transform: none;
}

.phone-prefix span {
  color: var(--ink);
  font-size: 15px;
}

.otp-input {
  letter-spacing: 10px;
  font-size: 22px;
}

.btn {
  min-height: 44px;
  margin-top: 12px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  box-shadow: none;
  font-size: 14px;
  font-weight: 700;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.btn:hover {
  transform: none;
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.btn-primary:disabled {
  border-color: #d6d9dd;
  background: #d6d9dd;
  color: #7f8790;
}

.btn-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: #aeb7c1;
  background: var(--surface-soft);
}

.btn-danger {
  border-color: var(--danger);
  background: var(--danger);
  color: #fff;
  box-shadow: none;
}

.btn-danger:hover {
  border-color: #a51f27;
  background: #a51f27;
}

.hidden {
  display: none !important;
}

body.is-authenticated {
  overflow-x: hidden;
}

body.is-authenticated > .container {
  display: block;
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

body.is-authenticated .hero,
body.is-authenticated #authScreen {
  display: none;
}

#mainScreen {
  width: 100%;
  min-height: 100vh;
}

.app-shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  min-height: 100vh;
}

.app-sidebar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 24px 16px 18px;
  overflow-y: auto;
  border-right: 1px solid #101820;
  background: var(--sidebar);
  color: #fff;
}

.sidebar-brand {
  min-height: 48px;
  padding: 0 10px 20px;
  border-bottom: 1px solid var(--sidebar-line);
}

.sidebar-brand strong,
.sidebar-brand small {
  display: block;
}

.sidebar-brand strong {
  font-size: 13px;
  letter-spacing: 0.1em;
}

.sidebar-brand small {
  margin-top: 2px;
  color: #8e9aa7;
  font-size: 9px;
  letter-spacing: 0.19em;
}

.sidebar-user {
  margin: 16px 0 14px;
  padding: 13px 10px 15px;
  border-bottom: 1px solid var(--sidebar-line);
}

.sidebar-user .user-info {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.sidebar-user .user-avatar {
  width: 36px;
  height: 36px;
  border: 1px solid #485665;
  border-radius: 8px;
  background: var(--sidebar-raised);
  box-shadow: none;
  color: #fff;
  font-size: 14px;
}

.sidebar-user .user-details {
  min-width: 0;
}

.sidebar-user .user-name,
.sidebar-user .user-org {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-user .user-name {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.sidebar-user .user-org {
  margin-top: 2px;
  color: #9ca8b4;
  font-size: 11px;
}

.sidebar-user .user-meta {
  display: flex;
  gap: 5px;
  margin-top: 10px;
}

.sidebar-user .chip {
  padding: 4px 7px;
  border-color: #42505d;
  border-radius: 4px;
  background: #222d38;
  color: #b8c2cc;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.app-sidebar .tabs,
.app-sidebar .tab-row-two {
  display: flex;
  flex: 1;
  flex-direction: column;
  grid-template-columns: none;
  gap: 4px;
  margin: 0;
}

.app-sidebar .tab {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  box-shadow: none;
  color: #aeb9c4;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  transition: background-color 140ms ease, color 140ms ease;
}

.app-sidebar .tab svg,
.sidebar-logout svg {
  width: 18px;
  height: 18px;
  margin-right: 11px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.app-sidebar .tab:hover {
  background: #202b36;
  color: #fff;
  transform: none;
}

.app-sidebar .tab.active {
  border-color: #3a4652;
  background: #2a3541;
  box-shadow: inset 3px 0 0 var(--accent);
  color: #fff;
}

.sidebar-footer {
  padding: 16px 10px 0;
  border-top: 1px solid var(--sidebar-line);
}

.sidebar-status,
.sidebar-logout {
  display: flex;
  align-items: center;
  width: 100%;
  color: #aeb9c4;
  font-size: 11px;
  font-weight: 650;
}

.sidebar-status i,
.connection-chip i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(22, 132, 84, 0.13);
}

.sidebar-logout {
  margin-top: 12px;
  padding: 9px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.sidebar-logout:hover {
  color: #fff;
}

.sidebar-backdrop {
  display: none;
}

.app-workspace {
  min-width: 0;
  background: var(--canvas);
}

.workspace-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  min-height: 94px;
  padding: 18px 34px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.workspace-heading {
  min-width: 0;
}

.workspace-eyebrow {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.workspace-heading h1 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.workspace-heading p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.workspace-statuses {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}

.environment-chip,
.connection-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.03em;
}

.connection-chip {
  border-color: #cfe8dc;
  background: var(--success-soft);
  color: #176943;
}

.mobile-nav-toggle {
  display: none;
}

.workspace-content {
  width: min(1480px, 100%);
  padding: 28px 34px 52px;
}

.card {
  margin-bottom: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: none;
}

.card h2 {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card h3 {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

#invoiceTab,
#qrTab,
#historyTab,
#salesTab,
#catalogTab {
  max-width: 880px;
}

#adminTab:not(.hidden) {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 16px;
  align-items: start;
}

#adminTab > .card,
#adminTab > .admin-layout {
  margin: 0;
}

#adminTab > #superAdminPanel,
#adminTab > #delegatedAnalyticsPanel,
#adminTab > .admin-layout {
  grid-column: 1 / -1;
}

.admin-layout {
  gap: 16px;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.metric {
  min-width: 0;
  padding: 13px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface-soft);
}

.metric:nth-child(3n) {
  border-right: 0;
}

.metric-label {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-value {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.status-bar {
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 650;
  text-align: left;
}

.status-ok {
  border-color: #cfe8dc;
  background: var(--success-soft);
  color: #176943;
}

.status-err {
  border-color: #f0c8cb;
  background: var(--danger-soft);
  color: var(--danger);
}

.status-info {
  border-color: #d3e3f1;
  background: var(--info-soft);
  color: var(--info);
}

.status-warn {
  border-color: #efdcae;
  background: var(--warning-soft);
  color: var(--warning);
}

.badge {
  padding: 4px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-pending {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-paid {
  background: var(--success-soft);
  color: var(--success);
}

.badge-canceled {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-expired {
  background: #edf0f2;
  color: #5e6873;
}

.op-item {
  padding: 13px 0;
  border-bottom-color: var(--line);
}

.op-item:hover .op-name {
  color: var(--accent);
}

.op-name,
.op-amount {
  color: var(--ink);
  font-size: 13px;
}

.op-date,
.detail-label {
  color: var(--muted);
}

.detail-row {
  padding: 10px 0;
  border-bottom-color: var(--line);
}

.detail-value {
  color: var(--ink);
}

.mono-box {
  padding: 12px;
  border-color: var(--line);
  border-radius: var(--radius-sm);
  background: #f5f6f7;
  color: #27313c;
  font-size: 12px;
}

.admin-list,
.terminal-list {
  gap: 8px;
}

.admin-item,
.terminal-card,
.marketplace-vendor-card,
.empty-state {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: none;
}

.admin-item:hover {
  border-color: #b7c0c9;
  box-shadow: none;
  transform: none;
}

.admin-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.admin-item-title {
  color: var(--ink);
  font-size: 13px;
}

.admin-item-meta,
.inline-note,
.empty-state {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

details {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

summary {
  color: var(--ink) !important;
  font-size: 13px !important;
}

#delegatedRefundPanel {
  border-radius: var(--radius) !important;
  background: var(--danger-soft) !important;
}

#docsContent .card {
  max-width: 1120px;
}

#editCatalogModal {
  background: rgba(16, 24, 32, 0.68) !important;
}

#editCatalogModal > div {
  border: 1px solid var(--line);
  border-radius: var(--radius) !important;
  box-shadow: 0 24px 70px rgba(13, 21, 29, 0.22) !important;
}

.loader {
  animation-duration: 0.8s;
}

@media (max-width: 1020px) {
  .container {
    gap: 44px;
    width: min(920px, calc(100% - 40px));
  }

  .hero h1 {
    font-size: clamp(42px, 6.4vw, 62px);
  }

  .app-shell {
    grid-template-columns: 218px minmax(0, 1fr);
  }

  #adminTab:not(.hidden) {
    grid-template-columns: 1fr;
  }

  #adminTab > * {
    grid-column: 1;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .metric:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 780px) {
  .container {
    display: block;
    width: min(520px, calc(100% - 32px));
    padding: 32px 0;
  }

  .hero {
    margin-bottom: 30px;
  }

  .hero-badge {
    margin-top: 52px;
  }

  .hero h1 {
    max-width: 520px;
    font-size: clamp(40px, 12vw, 62px);
  }

  .auth-trust-row {
    margin-top: 28px;
  }

  .app-shell {
    display: block;
  }

  .app-sidebar {
    position: fixed;
    left: 0;
    transform: translateX(-102%);
    width: min(286px, calc(100vw - 44px));
    transition: transform 180ms ease;
  }

  body.sidebar-open {
    overflow: hidden;
  }

  body.sidebar-open .app-sidebar {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 25;
    display: block;
    visibility: hidden;
    border: 0;
    background: rgba(10, 16, 22, 0.52);
    opacity: 0;
    transition: opacity 180ms ease, visibility 180ms ease;
  }

  body.sidebar-open .sidebar-backdrop {
    visibility: visible;
    opacity: 1;
  }

  .workspace-header {
    min-height: 82px;
    padding: 14px 18px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-right: 12px;
    padding: 9px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
  }

  .mobile-nav-toggle span {
    display: block;
    width: 17px;
    height: 1.5px;
    background: var(--ink);
  }

  .workspace-heading h1 {
    font-size: 19px;
  }

  .workspace-heading p,
  .workspace-eyebrow,
  .workspace-statuses {
    display: none;
  }

  .workspace-content {
    padding: 18px 16px 38px;
  }

  .card {
    padding: 17px;
  }

  .admin-layout,
  .two-col-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  #authScreen .card {
    padding: 24px 20px;
  }

  .auth-trust-row {
    gap: 14px;
    font-size: 10px;
  }

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

  .metric,
  .metric:nth-child(2n),
  .metric:nth-child(3n) {
    border-right: 0;
  }

  .card-actions[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}