:root {
  --bg: #f5f8ff;
  --bg-soft: #ecf2ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --surface-soft: rgba(44, 119, 255, 0.08);
  --surface-line: rgba(152, 176, 224, 0.4);
  --text: #0d1525;
  --muted: #66728c;
  --muted-strong: #33405c;
  --brand: #3b82f6;
  --brand-strong: #2557ff;
  --brand-secondary: #6c63ff;
  --success: #1dbb7f;
  --warning: #ffb347;
  --danger: #ff607d;
  --danger-soft: rgba(255, 96, 125, 0.16);
  --shadow-lg: 0 40px 90px rgba(31, 54, 96, 0.16);
  --shadow-md: 0 24px 64px rgba(31, 54, 96, 0.12);
  --shadow-sm: 0 12px 30px rgba(31, 54, 96, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 16px;
  --space-xs: 10px;
  --space-sm: 14px;
  --space-md: 20px;
  --space-lg: 26px;
  --space-xl: 34px;
}

.panel-page[data-theme="dark"] {
  --bg: #050505;
  --bg-soft: #090d14;
  --surface: rgba(13, 17, 26, 0.82);
  --surface-strong: rgba(14, 19, 30, 0.96);
  --surface-soft: rgba(59, 130, 246, 0.14);
  --surface-line: rgba(255, 255, 255, 0.08);
  --text: #f7f9fe;
  --muted: #99a4bb;
  --muted-strong: #d5deef;
  --brand: #4c84ff;
  --brand-strong: #2f63ff;
  --brand-secondary: #7b6cff;
  --success: #39d79d;
  --warning: #ffc46b;
  --danger: #ff6a8d;
  --danger-soft: rgba(255, 106, 141, 0.16);
  --shadow-lg: 0 40px 90px rgba(0, 0, 0, 0.42);
  --shadow-md: 0 24px 64px rgba(0, 0, 0, 0.32);
  --shadow-sm: 0 16px 34px rgba(0, 0, 0, 0.24);
}

.panel-page[data-accent="cyan"] {
  --brand: #32c8ff;
  --brand-strong: #1ca3ff;
  --brand-secondary: #56d8ff;
}

.panel-page[data-accent="emerald"] {
  --brand: #22d3a6;
  --brand-strong: #10b981;
  --brand-secondary: #3ce2bc;
}

.panel-page[data-atmosphere="vivid"] {
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand) 34%, transparent), transparent 28%),
    radial-gradient(circle at bottom right, color-mix(in srgb, var(--brand-secondary) 28%, transparent), transparent 26%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 86%, #020202) 0%, var(--bg-soft) 100%);
}

.panel-page[data-atmosphere="vivid"] .panel-backdrop__orb::before {
  opacity: 0.32;
  filter: blur(112px);
}

.panel-page[data-atmosphere="vivid"] .panel-backdrop__grid {
  opacity: 0.24;
}

.panel-page[data-atmosphere="night"] {
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand) 14%, transparent), transparent 34%),
    radial-gradient(circle at bottom right, color-mix(in srgb, var(--brand-secondary) 16%, transparent), transparent 34%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 96%, #000000) 0%, color-mix(in srgb, var(--bg-soft) 94%, #010205) 100%);
}

.panel-page[data-atmosphere="night"] .panel-backdrop__orb::before {
  opacity: 0.18;
  filter: blur(136px);
}

.panel-page[data-atmosphere="night"] .panel-backdrop__grid {
  opacity: 0.1;
}

.panel-page[data-corners="round"] {
  --radius-xl: 42px;
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 18px;
}

.panel-page[data-density="compact"] {
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 28px;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

img,
svg,
iframe {
  max-width: 100%;
}

body.panel-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand) 24%, transparent), transparent 32%),
    radial-gradient(circle at bottom right, color-mix(in srgb, var(--brand-secondary) 20%, transparent), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 92%, #020202) 0%, var(--bg-soft) 100%);
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

.panel-page[data-motion="reduced"] *,
.panel-page[data-motion="reduced"] *::before,
.panel-page[data-motion="reduced"] *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}

.panel-backdrop,
.panel-backdrop__noise,
.panel-backdrop__orb,
.panel-backdrop__grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.panel-backdrop {
  z-index: -2;
}

.panel-backdrop__noise {
  opacity: 0.03;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.panel-backdrop__orb::before {
  content: "";
  position: absolute;
  width: 54vw;
  height: 54vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.24;
}

.panel-backdrop__orb--one::before {
  top: -18vw;
  left: -10vw;
  background: color-mix(in srgb, var(--brand) 70%, transparent);
  animation: floatOrb 20s ease-in-out infinite alternate;
}

.panel-backdrop__orb--two::before {
  right: -14vw;
  bottom: -18vw;
  background: color-mix(in srgb, var(--brand-secondary) 58%, transparent);
  animation: floatOrb 24s ease-in-out infinite alternate-reverse;
}

.panel-backdrop__grid {
  background:
    linear-gradient(transparent 96%, rgba(255, 255, 255, 0.04) 100%),
    linear-gradient(90deg, transparent 96%, rgba(255, 255, 255, 0.03) 100%);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.36), transparent 70%);
  opacity: 0.18;
}

.panel-glass,
.panel-card,
.auth-block,
.plan-card,
.device-card,
.modal__dialog,
.payment-overlay__card,
.toast,
.mobile-nav {
  background: var(--surface);
  border: 1px solid var(--surface-line);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.panel-page[data-surface="solid"] .panel-glass,
.panel-page[data-surface="solid"] .panel-card,
.panel-page[data-surface="solid"] .auth-block,
.panel-page[data-surface="solid"] .plan-card,
.panel-page[data-surface="solid"] .device-card,
.panel-page[data-surface="solid"] .modal__dialog,
.panel-page[data-surface="solid"] .payment-overlay__card,
.panel-page[data-surface="solid"] .toast,
.panel-page[data-surface="solid"] .mobile-nav {
  background: color-mix(in srgb, var(--surface-strong) 95%, transparent);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand-box,
.nav-btn,
.sidebar-card,
.app-topbar,
.panel-card,
.auth-screen,
.auth-block,
.device-card,
.plan-card,
.settings-card,
.mobile-nav,
.modal__dialog,
.toast {
  border-radius: var(--radius-lg);
}

.eyebrow,
.mono-label {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.mono-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.app-frame {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 108px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
}

.sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  display: grid;
  gap: var(--space-lg);
  padding: 18px;
}

.brand-box {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  overflow: hidden;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.08);
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong,
.sidebar__intro h1,
.app-topbar__copy strong,
.auth-screen__head h2,
.auth-block__head h3,
.hero-panel h2,
.section-head h2,
.settings-card__head h3,
.plan-card h3,
.modal__head h3,
.payment-overlay__title {
  font-family: "Space Grotesk", sans-serif;
}

.brand-copy strong {
  font-size: 18px;
  letter-spacing: -0.03em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}

.sidebar__intro {
  display: grid;
  gap: 10px;
}

.sidebar__intro h1,
.auth-screen__head h2,
.hero-panel h2,
.section-head h2 {
  margin: 0;
  letter-spacing: -0.05em;
}

.sidebar__intro h1 {
  font-size: 34px;
}

.sidebar__intro p:last-child,
.app-topbar__copy strong + *,
.auth-screen__head p,
.auth-block__head p,
.field > span,
.section-head > p:last-child,
.settings-card__head p,
.inline-note,
.panel-note,
.modal__head p,
.payment-overlay__text {
  color: var(--muted);
}

.sidebar-nav,
.settings-grid,
.device-list,
.plans-grid,
.auth-screen,
.app-screen {
  display: grid;
  gap: var(--space-md);
}

.nav-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: transform 0.24s ease, color 0.24s ease, border-color 0.24s ease, background-color 0.24s ease;
}

.nav-btn:hover,
.nav-btn.is-active {
  transform: translateY(-1px);
  color: var(--text);
  border-color: color-mix(in srgb, var(--brand) 30%, transparent);
  background: color-mix(in srgb, var(--brand) 12%, rgba(255, 255, 255, 0.02));
}

.nav-btn__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--brand);
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.nav-btn__copy {
  display: grid;
  gap: 4px;
}

.nav-btn__copy strong {
  font-size: 15px;
}

.nav-btn__copy small {
  color: var(--muted);
}

.sidebar-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand) 24%, transparent), transparent 36%),
    rgba(255, 255, 255, 0.03);
}

.sidebar-card strong {
  font-size: 20px;
  letter-spacing: -0.04em;
}

.app-main {
  display: grid;
  gap: 20px;
}

.app-topbar {
  position: sticky;
  top: 18px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 14px;
  border-radius: 18px;
}

.app-topbar__menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--surface-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.24s ease, border-color 0.24s ease, background-color 0.24s ease;
}

.app-topbar__menu-toggle:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand) 28%, transparent);
}

.app-topbar__menu-toggle span {
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}

.app-topbar__copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.app-topbar__copy strong {
  font-size: 20px;
  letter-spacing: -0.04em;
}

.app-topbar__copy .mono-label {
  font-size: 10px;
}

.app-topbar .btn {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 14px;
  font-size: 11px;
}

.app-topbar__actions,
.hero-panel__actions,
.settings-actions,
.settings-toggle-row,
.payment-overlay__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-page .btn,
.panel-page button,
.panel-page input,
.panel-page select {
  font: inherit;
}

.panel-page .btn,
.toggle-chip,
.detach-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 16px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.24s ease, border-color 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease, color 0.24s ease;
}

.app-topbar__actions .btn,
.hero-panel__actions .btn,
.settings-actions .btn,
.payment-overlay__actions .btn,
.mobile-nav__item {
  min-width: 0;
}

.panel-page .btn:hover,
.toggle-chip:hover,
.detach-btn:hover {
  transform: translateY(-2px);
}

.panel-page .btn:disabled,
.panel-page .btn.is-disabled,
.toggle-chip:disabled,
.detach-btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn--primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-secondary));
  box-shadow: 0 18px 40px color-mix(in srgb, var(--brand) 30%, transparent);
}

.btn--ghost,
.toggle-chip,
.detach-btn {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--surface-line);
}

.btn--danger {
  color: #ffffff;
  background: linear-gradient(135deg, #ff6e8e, #d44f6d);
  box-shadow: 0 18px 40px rgba(212, 79, 109, 0.24);
}

.auth-screen {
  padding: clamp(22px, 3vw, 34px);
  animation: panelRise 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.panel-page[data-auth-state="guest"] .sidebar__intro,
.panel-page[data-auth-state="guest"] .sidebar-nav,
.panel-page[data-auth-state="guest"] .sidebar-card,
.panel-page[data-auth-state="guest"] .app-topbar,
.panel-page[data-auth-state="guest"] .mobile-nav {
  display: none !important;
}

.panel-page[data-auth-state="guest"] .sidebar {
  padding: 0;
  gap: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.panel-page[data-auth-state="guest"] .brand-box {
  width: min(320px, 100%);
  margin: 0;
}

.panel-page[data-auth-state="guest"] .app-frame {
  grid-template-columns: 300px minmax(0, 720px);
  justify-content: center;
}

.panel-page[data-auth-state="guest"] .app-main {
  padding-top: 4px;
}

.auth-screen__head {
  display: grid;
  gap: 10px;
}

.auth-screen__head h2 {
  font-size: clamp(34px, 5vw, 56px);
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.85fr);
  gap: var(--space-md);
}

.auth-code-view {
  display: grid;
  place-items: center;
  min-height: 320px;
}

.auth-block {
  display: grid;
  gap: var(--space-md);
  padding: 22px;
}

.auth-block--telegram {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand) 18%, transparent), transparent 42%),
    var(--surface);
}

.auth-block--code {
  width: min(540px, 100%);
  margin: 0 auto;
}

.auth-block__head {
  display: grid;
  gap: 8px;
}

.auth-block__head h3,
.settings-card__head h3,
.modal__head h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.auth-entry,
.field {
  display: grid;
  gap: 10px;
}

.field > span {
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.topup-range {
  width: 100%;
}

.field input,
.field select {
  min-height: 52px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-line);
  padding: 0 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.field input:focus,
.field select:focus {
  border-color: color-mix(in srgb, var(--brand) 44%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 16%, transparent);
  transform: translateY(-1px);
}

.auth-form--hidden {
  display: none;
}

.telegram-widget-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  text-align: center;
  overflow: hidden;
}

.telegram-widget-wrap:empty::before {
  content: "Кнопка входа Telegram появится здесь";
}

.telegram-widget-wrap iframe {
  border-radius: 999px !important;
  max-width: 100% !important;
}

.app-page {
  display: none;
}

.app-page.is-active {
  display: grid;
  gap: var(--space-lg);
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-md);
}

.panel-card {
  padding: 24px;
  min-width: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.panel-page[data-motion="full"] .panel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--brand) 26%, var(--surface-line));
}

.panel-page[data-motion="full"] .app-page.is-active .panel-card {
  animation: cardReveal 0.52s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.panel-page[data-motion="full"] .app-page.is-active .panel-card:nth-child(2) {
  animation-delay: 70ms;
}

.panel-page[data-motion="full"] .app-page.is-active .panel-card:nth-child(3) {
  animation-delay: 120ms;
}

.panel-page[data-motion="full"] .hero-panel::after {
  content: "";
  position: absolute;
  inset: -55% auto auto -28%;
  width: 48%;
  height: 210%;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.12) 52%, transparent 100%);
  transform: translateX(-140%) rotate(8deg);
  animation: heroSheen 8s ease-in-out infinite;
  opacity: 0.5;
}

.hero-panel {
  min-height: 100%;
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 16px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand) 24%, transparent), transparent 38%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.02), transparent 54%),
    var(--surface);
}

.hero-panel .eyebrow {
  margin-bottom: 8px;
}

.hero-panel .panel-card__head {
  margin: 0;
}

.panel-card__head,
.panel-card__head--compact,
.section-head,
.device-card__head,
.device-card__row,
.plan-card__head,
.plan-card__footer,
.payment-overlay__progress,
.toast__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.panel-card__head {
  align-items: flex-start;
}

.panel-card__head > div,
.panel-card__head--compact > div,
.device-card__titles,
.plan-card__price {
  min-width: 0;
}

.panel-card__head--compact,
.device-card__row,
.plan-card__footer,
.payment-overlay__progress,
.toast__head {
  align-items: center;
}

.hero-panel h2 {
  font-size: clamp(42px, 6vw, 70px);
  line-height: 0.96;
}

.hero-panel__badge,
.stat-pill,
.plan-card__badge,
.plan-chip,
.device-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-panel__badge,
.stat-pill,
.plan-card__badge,
.plan-chip {
  border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent);
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  color: var(--muted-strong);
}

.hero-panel__badge.is-inactive {
  border-color: rgba(255, 106, 141, 0.22);
  background: rgba(255, 106, 141, 0.12);
  color: #ffd6df;
}

.hero-panel__subline,
.usage-panel__summary {
  color: var(--muted);
  font-size: 16px;
}

.hero-panel__subline {
  margin: 2px 0 4px;
  line-height: 1.46;
}

.usage-panel__summary {
  margin: 0;
}

.hero-panel__actions {
  margin-top: 2px;
  gap: 10px;
}

.hero-panel__actions .btn {
  min-height: 50px;
}

.usage-panel {
  display: grid;
  gap: 20px;
}

.usage-panel strong {
  font-size: 24px;
  letter-spacing: -0.04em;
}

.usage-track {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.usage-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--brand-secondary));
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.section-head > p:last-child {
  margin: 0;
}

.slab {
  padding: 22px;
}

.panel-note {
  margin: 0;
}

.section-head h2 {
  margin: 0;
}

.section-head {
  align-items: flex-end;
}

.section-head--row {
  align-items: center;
}

.section-head h2 {
  font-size: clamp(32px, 5vw, 52px);
}

.plans-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.plan-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 18px;
  padding: 24px;
  align-content: start;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand) 18%, transparent), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    var(--surface);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    background 0.28s ease;
}

.plan-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 74px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-secondary));
  opacity: 0.9;
}

.plan-card::after {
  content: "";
  position: absolute;
  top: -28px;
  right: -22px;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--brand-secondary) 26%, transparent);
  filter: blur(22px);
  opacity: 0.3;
  pointer-events: none;
}

.plan-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--brand) 34%, transparent);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.22);
}

.plan-card:nth-child(2) {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand-secondary) 22%, transparent), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
    var(--surface);
}

.plan-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--brand-secondary), color-mix(in srgb, var(--brand) 72%, #ffffff));
}

.plan-card:nth-child(3) {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, #ffb45e 18%, transparent), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
    var(--surface);
}

.plan-card:nth-child(3)::before {
  background: linear-gradient(90deg, #ffb45e, var(--brand-secondary));
}

.plan-card__head {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.plan-card__head p,
.plan-card__price span,
.device-card__submeta,
.device-card__meta,
.device-stat span,
.toast__text {
  color: var(--muted);
}

.plan-card h3 {
  font-size: 32px;
  letter-spacing: -0.04em;
}

.plan-card__meta,
.plan-card__list,
.settings-facts,
.settings-controls-grid {
  display: grid;
  gap: 12px;
}

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

.plan-chip {
  min-height: 38px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 14%, transparent), rgba(255, 255, 255, 0.04));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.plan-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-card__list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted-strong);
}

.plan-card__list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-secondary));
}

.plan-card__price {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand) 10%, transparent), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  border: 1px solid color-mix(in srgb, var(--surface-line) 96%, transparent);
}

.plan-card__price strong {
  font-size: 34px;
  letter-spacing: -0.05em;
}

.plan-card__footer {
  margin-top: auto;
}

.device-card {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.device-card__head {
  align-items: flex-start;
}

.device-card__identity {
  display: flex;
  gap: 14px;
  align-items: center;
}

.device-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand) 14%, transparent), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.04);
  border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.16);
  color: var(--brand);
}

.device-card__icon::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--brand-secondary) 26%, transparent);
  filter: blur(16px);
}

.device-card__icon svg {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
}

.device-card__titles {
  display: grid;
  gap: 4px;
}

.device-card__titles strong {
  font-size: 21px;
  letter-spacing: -0.03em;
}

.device-badge--online {
  background: rgba(57, 215, 157, 0.14);
  border: 1px solid rgba(57, 215, 157, 0.26);
  color: var(--success);
}

.device-badge--recent {
  background: rgba(255, 196, 107, 0.12);
  border: 1px solid rgba(255, 196, 107, 0.2);
  color: var(--warning);
}

.device-card__stats {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.device-stat {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

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

.settings-card {
  display: grid;
  gap: 20px;
  align-content: start;
}

.settings-card--wide {
  grid-column: span 2;
  gap: 24px;
}

.settings-card__head {
  display: grid;
  gap: 8px;
}

.settings-group {
  display: grid;
  gap: 14px;
}

.settings-group + .settings-group {
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-group__title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
}

.settings-list {
  display: grid;
  gap: 12px;
}

.settings-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--surface-line) 92%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand) 8%, transparent), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
}

.settings-item__copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.settings-item__copy strong {
  font-size: 16px;
  letter-spacing: -0.02em;
}

.settings-item__copy small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.settings-item select {
  min-width: 198px;
  max-width: 240px;
}

.settings-item__control {
  min-width: 156px;
  justify-self: end;
}

.settings-facts p {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.settings-facts strong {
  color: var(--muted);
}

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

.toggle-chip[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--brand) 30%, transparent);
  background: color-mix(in srgb, var(--brand) 14%, transparent);
}

.inline-note {
  margin: 0;
}

.settings-card--wide .inline-note {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
}

.mobile-nav {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
}

.sidebar,
.app-topbar,
.panel-card,
.auth-block {
  animation: panelRise 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-nav__item {
  min-height: 54px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 8px 6px;
  font: inherit;
}

.mobile-nav__item.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--brand) 14%, transparent);
}

.mobile-nav__icon {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  line-height: 1;
  color: var(--brand);
}

.mobile-nav__label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.1;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal,
.payment-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.modal__backdrop,
.payment-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 4, 10, 0.76);
  backdrop-filter: blur(16px);
}

.modal {
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal__dialog {
  position: relative;
  width: min(520px, 100%);
  padding: 28px;
  display: grid;
  gap: 22px;
}

.modal__close,
.toast__close {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  font-size: 22px;
}

.modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
}

.modal__head {
  display: grid;
  gap: 8px;
  padding-right: 44px;
}

.topup-picker,
.topup-picker__summary {
  display: grid;
  gap: 14px;
}

.topup-picker__summary {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.topup-picker__summary strong {
  font-size: 38px;
  letter-spacing: -0.05em;
}

.topup-range {
  appearance: none;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.topup-range::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-secondary));
  border: 0;
}

.payment-overlay {
  display: grid;
  place-items: center;
  padding: 24px;
}

.payment-overlay__card {
  position: relative;
  width: min(560px, 100%);
  padding: 30px;
  display: grid;
  gap: 16px;
  overflow: hidden;
}

.payment-overlay__pulse {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, transparent);
  background: color-mix(in srgb, var(--brand) 16%, transparent);
  position: relative;
}

.payment-overlay__pulse.is-loading::after,
.payment-overlay__pulse.is-success::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
}

.payment-overlay__pulse.is-loading::after {
  border: 3px solid transparent;
  border-top-color: var(--brand);
  animation: spin 1s linear infinite;
}

.payment-overlay__pulse.is-success::after {
  background: linear-gradient(135deg, var(--brand), var(--brand-secondary));
}

.payment-overlay__eyebrow {
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
}

.payment-overlay__title {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.05em;
}

.payment-overlay__text {
  margin: 0;
}

.payment-overlay__progress {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.payment-overlay__progress span {
  display: block;
  width: 8%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--brand-secondary));
  transition: width 0.3s ease;
}

.payment-confetti {
  position: absolute;
  inset: -12px 0 auto;
  pointer-events: none;
}

.payment-confetti__piece {
  position: absolute;
  top: -10px;
  border-radius: 999px;
  opacity: 0;
}

.payment-confetti.is-active .payment-confetti__piece {
  animation: confetti 1.2s ease forwards;
}

.toast-stack {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 100;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100% - 32px));
}

.toast {
  padding: 16px;
}

.toast--error {
  border-color: rgba(255, 106, 141, 0.28);
}

.toast__head {
  margin-bottom: 8px;
}

.toast__title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 16px;
  letter-spacing: -0.03em;
}

.toast__close {
  font-size: 18px;
}

@keyframes floatOrb {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(3vw, 2vw, 0) scale(1.08);
  }
}

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

@keyframes panelRise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes heroSheen {
  0%,
  24% {
    transform: translateX(-140%) rotate(8deg);
    opacity: 0;
  }
  36% {
    opacity: 0.5;
  }
  52% {
    transform: translateX(340%) rotate(8deg);
    opacity: 0;
  }
  100% {
    transform: translateX(340%) rotate(8deg);
    opacity: 0;
  }
}

@keyframes confetti {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate3d(var(--drift, 0), 180px, 0) rotate(var(--spin, 180deg));
    opacity: 0;
  }
}

@media (max-width: 1240px) {
  .app-frame {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    top: 0;
  }

  .sidebar-card {
    max-width: 460px;
  }

  .panel-page[data-auth-state="guest"] .app-frame {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .auth-grid,
  .home-layout,
  .settings-grid,
  .settings-controls-grid,
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .settings-card--wide {
    grid-column: auto;
  }

  .app-topbar {
    align-items: flex-start;
    flex-direction: column;
    position: static;
  }

  .hero-panel {
    gap: 14px;
  }

  .hero-panel h2 {
    font-size: clamp(38px, 11vw, 58px);
  }

  .app-topbar__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }

  .app-topbar__actions .btn {
    width: 100%;
  }

  .hero-panel__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .hero-panel__actions .btn {
    width: 100%;
  }

  .hero-panel__badge,
  .stat-pill {
    align-self: flex-start;
  }
}

@media (max-width: 760px) {
  .app-frame {
    width: calc(100% - 16px);
    gap: 14px;
    padding: 10px 0 calc(96px + env(safe-area-inset-bottom, 0px));
  }

  .sidebar {
    position: static;
    padding: 12px;
    gap: 12px;
  }

  .sidebar-nav {
    display: none;
  }

  .sidebar__intro {
    display: none;
  }

  .app-topbar,
  .panel-card,
  .auth-screen,
  .auth-block,
  .device-card,
  .plan-card,
  .modal__dialog,
  .payment-overlay__card {
    padding: 18px;
  }

  .brand-box {
    width: 100%;
    padding: 10px 12px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .app-topbar {
    position: sticky;
    top: calc(8px + env(safe-area-inset-top, 0px));
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    overflow: visible;
    z-index: 60;
  }

  .app-topbar__menu-toggle {
    display: inline-flex;
  }

  .app-topbar__actions,
  .hero-panel__actions,
  .settings-actions,
  .settings-toggle-row,
  .payment-overlay__actions {
    width: 100%;
  }

  .app-topbar__actions .btn,
  .hero-panel__actions .btn,
  .settings-actions .btn,
  .settings-toggle-row .toggle-chip,
  .payment-overlay__actions .btn {
    width: 100%;
  }

  .app-topbar__actions {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: min(260px, calc(100vw - 32px));
    padding: 8px;
    border-radius: 18px;
    border: 1px solid var(--surface-line);
    background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    display: none;
    grid-template-columns: 1fr;
    gap: 8px;
    z-index: 45;
  }

  .app-topbar.is-menu-open .app-topbar__actions {
    display: grid;
  }

  .panel-card__head,
  .panel-card__head--compact,
  .section-head,
  .device-card__head,
  .device-card__row,
  .plan-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-nav {
    display: grid;
  }

  .toast-stack {
    left: 16px;
    right: 16px;
    width: auto;
  }

  .app-main {
    gap: 14px;
  }

  .hero-panel {
    gap: 12px;
  }

  .hero-panel h2 {
    font-size: clamp(34px, 12vw, 50px);
    line-height: 0.98;
  }

  .hero-panel__subline {
    font-size: 15px;
  }

  .auth-screen__head {
    gap: 8px;
  }

  .auth-grid {
    gap: 14px;
  }

  .auth-code-view {
    min-height: auto;
  }

  .auth-block__head h3 {
    font-size: 22px;
  }

  .hero-panel__actions,
  .settings-controls-grid,
  .plan-card__meta {
    grid-template-columns: 1fr;
  }

  .settings-item {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .settings-item select,
  .settings-item__control {
    width: 100%;
    max-width: none;
    min-width: 0;
    justify-self: stretch;
  }

  .plans-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(84%, 84%);
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .plans-grid::-webkit-scrollbar {
    display: none;
  }

  .plan-card {
    min-height: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .usage-panel strong {
    font-size: 22px;
  }

  .section-head h2 {
    font-size: clamp(28px, 10vw, 40px);
  }

  .settings-facts p {
    flex-direction: column;
    align-items: flex-start;
  }

  .settings-card--wide .inline-note {
    padding: 14px 16px;
  }

  .device-card__identity {
    align-items: flex-start;
  }

  .mobile-nav {
    left: 8px;
    right: 8px;
    bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    gap: 4px;
    padding: 6px;
  }
}

@media (max-width: 560px) {
  .app-frame {
    width: calc(100% - 12px);
    padding: 8px 0 calc(92px + env(safe-area-inset-bottom, 0px));
  }

  .sidebar {
    padding: 14px;
  }

  .app-topbar,
  .panel-card,
  .auth-screen,
  .auth-block,
  .device-card,
  .plan-card,
  .modal__dialog,
  .payment-overlay__card {
    padding: 16px;
    border-radius: 18px;
  }

  .auth-screen__head h2 {
    font-size: clamp(30px, 11vw, 40px);
  }

  .app-topbar__copy strong {
    font-size: 17px;
  }

  .panel-card__head,
  .panel-card__head--compact {
    gap: 10px;
  }

  .hero-panel__actions {
    gap: 8px;
  }

  .app-topbar__actions {
    width: min(240px, calc(100vw - 24px));
  }

  .plan-card::before {
    left: 18px;
    width: 64px;
  }

  .plan-card__price {
    width: 100%;
  }

  .hero-panel h2 {
    font-size: clamp(30px, 13vw, 42px);
  }

  .hero-panel__subline,
  .usage-panel__summary {
    font-size: 14px;
  }

  .usage-panel strong {
    font-size: 20px;
  }

  .plan-card h3 {
    font-size: 28px;
  }

  .topup-picker__summary strong {
    font-size: 32px;
  }

  .plans-grid {
    grid-auto-columns: minmax(88%, 88%);
  }

  .device-card__identity {
    flex-direction: column;
  }

  .device-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .settings-facts p {
    padding: 12px 14px;
  }

  .settings-item {
    padding: 14px 16px;
  }

  .settings-item__copy strong {
    font-size: 15px;
  }

  .settings-item__copy small {
    font-size: 13px;
  }

  .mobile-nav__item {
    min-height: 48px;
    gap: 3px;
    padding: 7px 2px;
  }

  .mobile-nav__label {
    font-size: 8px;
    letter-spacing: 0.02em;
  }
}