/* ============================================================
   May Coupon — components.css
   btn, stat-card, coupon, progress, toast, modal, header, skeleton.
   Дублируется в web/admin/styles/components.css.
   ============================================================ */

/* ---------- Sticky header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: 56px;
  background: var(--c-overlay-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.app-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.app-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-bold);
  font-size: var(--fz-md);
  letter-spacing: -0.005em;
  color: var(--c-text);
}

.app-header__mark {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-active) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  font-weight: var(--fw-extra);
  font-size: var(--fz-sm);
}

.app-header__crumb {
  font-size: var(--fz-sm);
  color: var(--c-text-subtle);
  font-weight: var(--fw-medium);
}

.app-header__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ---------- Balance pill (header) ---------- */
.balance-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 12px;
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  font-family: var(--ff-mono);
  font-size: var(--fz-md);
  font-weight: var(--fw-semibold);
  transition: background-color var(--t-base) var(--ease-out);
}

.balance-pill.is-changed {
  animation: balance-flash 600ms ease-out;
}

.balance-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-success);
  flex-shrink: 0;
  transition: background-color var(--t-base) var(--ease-out);
}

.balance-pill[data-conn="reconnecting"] .balance-pill__dot {
  background: var(--c-warn);
  animation: pulse-soft 1s ease-in-out infinite;
}

.balance-pill[data-conn="disconnected"] .balance-pill__dot {
  background: var(--c-error);
}

.balance-pill__value {
  color: var(--c-text);
  letter-spacing: 0.01em;
}

.balance-pill__value.is-low { color: var(--c-warn); }

.balance-pill__conn-text {
  font-size: var(--fz-sm);
  color: var(--c-warn);
  font-family: var(--ff-base);
  font-weight: var(--fw-medium);
  margin-left: var(--sp-2);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}

.balance-pill[data-conn="disconnected"] .balance-pill__conn-text { opacity: 1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--ff-base);
  font-size: var(--fz-md);
  font-weight: var(--fw-semibold);
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: var(--r-md);
  padding: 12px 20px;
  transition:
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out),
    color var(--t-base) var(--ease-out),
    transform var(--t-fast) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out);
  user-select: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--c-primary-ring);
  outline-offset: 2px;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm { padding: 8px 14px; font-size: var(--fz-sm); }
.btn--lg { padding: 14px 24px; font-size: var(--fz-lg); }

.btn-primary {
  background: var(--c-primary);
  color: #FFFFFF;
  border-color: var(--c-primary);
}
.btn-primary:hover {
  background: var(--c-primary-hover);
  border-color: var(--c-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--sh-md);
}
.btn-primary:active {
  background: var(--c-primary-active);
  border-color: var(--c-primary-active);
  transform: translateY(0);
  box-shadow: none;
}

.btn-secondary {
  background: var(--c-bg-elev-1);
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn-secondary:hover {
  background: var(--c-bg-elev-2);
  border-color: var(--c-border-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--c-text-muted);
  border-color: var(--c-border);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--c-text);
}

.btn-link {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-border);
  padding: 8px 14px;
  font-size: var(--fz-sm);
}
.btn-link:hover {
  background: var(--c-primary-soft);
  border-color: var(--c-primary-ring);
}
.btn-link.super {
  color: var(--c-super);
}
.btn-link.super:hover {
  background: var(--c-super-soft);
  border-color: var(--c-super-ring);
}

.btn-danger {
  background: var(--c-error);
  color: #FFFFFF;
  border-color: var(--c-error);
}
.btn-danger:hover { background: #DC2626; border-color: #DC2626; }

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
}
.btn-icon:hover { background: var(--c-bg-elev-2); color: var(--c-text); }

/* Loading state */
.btn.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
  animation: pulse-processing 0.9s ease-in-out infinite;
}
.btn.is-loading::after {
  content: "";
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  position: absolute;
  inset: 0; margin: auto;
  animation: spin 0.7s linear infinite;
}

/* ---------- Stat cards (regular / super) ---------- */
.stat {
  background: var(--c-bg-elev-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: box-shadow var(--t-base) var(--ease-out);
}

.stat.is-glow-regular { box-shadow: var(--sh-glow-primary); }
.stat.is-glow-super   { box-shadow: var(--sh-glow-super); }

.stat__label {
  font-size: var(--fz-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--c-text-muted);
}

.stat__value {
  font-size: var(--fz-4xl);
  font-weight: var(--fw-extra);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-top: var(--sp-1);
}

.stat.regular .stat__value { color: var(--c-primary); }
.stat.super {
  background: linear-gradient(135deg, rgba(255, 92, 138, 0.08), rgba(255, 181, 71, 0.05)), var(--c-bg-elev-2);
  border-color: var(--c-super-soft);
}
.stat.super .stat__value {
  background: var(--g-super);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat__value.is-bumped {
  animation: counter-bump var(--t-medium) var(--ease-spring);
}
.stat.super .stat__value.is-bumped {
  animation: super-counter-bump 700ms var(--ease-spring);
}

.stat__hint {
  font-size: var(--fz-sm);
  color: var(--c-text-subtle);
}

.stat__action { margin-top: var(--sp-3); }

/* ---------- Progress block ---------- */
.progress-block {
  background: var(--c-bg-elev-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}
.progress-block + .progress-block { margin-top: var(--sp-4); }

.progress-block.super { border-color: var(--c-super-soft); }

/* Opt-in gate: пока юзер не нажал «Принять участие» — копилка пустая, но НЕ выключена.
   Бары видны в полном цвете при 0% (UX_REVIEW §2.4: is-preview, не is-locked). */
.progress-block.is-locked,
.progress-block.is-preview {
  position: relative;
}
.progress-block.is-locked .progress-block__foot,
.progress-block.is-preview .progress-block__foot {
  color: var(--c-primary);
  font-weight: var(--fw-semibold);
}
.progress-block.is-locked .progress-block__amount strong,
.progress-block.is-preview .progress-block__amount strong {
  color: var(--c-text-muted);
}

/* После клика — небольшая «вспышка», что копилка заработала */
.progress-block.is-just-activated {
  animation: progress-activate 700ms var(--ease-spring);
}
@keyframes progress-activate {
  0%   { box-shadow: 0 0 0 0 var(--c-primary-soft); transform: scale(1); }
  40%  { box-shadow: 0 0 0 6px var(--c-primary-soft); transform: scale(1.01); }
  100% { box-shadow: 0 0 0 0 transparent; transform: scale(1); }
}

.progress-block__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}

.progress-block__title {
  font-size: var(--fz-md);
  font-weight: var(--fw-semibold);
}

.progress-block__amount {
  font-family: var(--ff-mono);
  font-size: var(--fz-sm);
  color: var(--c-text-muted);
}
.progress-block__amount strong {
  color: var(--c-text);
  font-size: var(--fz-md);
  font-weight: var(--fw-semibold);
}

.bar {
  height: 14px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--r-pill);
  overflow: hidden;
  box-shadow: var(--sh-inset);
  position: relative;
}

.bar__fill {
  height: 100%;
  width: 0%;
  border-radius: var(--r-pill);
  background: var(--g-progress-reg);
  transition: width var(--t-medium) var(--ease-out);
}

.progress-block.super .bar__fill {
  background: var(--g-progress-sup);
}

.progress-block__foot {
  margin-top: var(--sp-3);
  color: var(--c-text-subtle);
  font-size: var(--fz-sm);
}

/* ---------- Eyebrow / pill badges ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: var(--c-primary-soft);
  border: 1px solid var(--c-primary-ring);
  color: var(--c-primary);
  font-size: var(--fz-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

/* ---------- Toast ---------- */
.toast-stack {
  position: fixed;
  top: 80px;
  right: var(--sp-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  pointer-events: none;
  max-width: 360px;
  width: calc(100vw - 32px);
}

.toast {
  background: var(--c-bg-elev-2);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-info);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: var(--sh-md);
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  min-width: 280px;
  animation: toast-in var(--t-base) var(--ease-spring) forwards;
}

.toast.is-leaving {
  animation: toast-out var(--t-base) var(--ease-out) forwards;
}

.toast__icon {
  font-size: var(--fz-lg);
  line-height: 1;
  margin-top: 2px;
  flex-shrink: 0;
}

.toast__body { flex: 1; min-width: 0; }
.toast__title {
  font-size: var(--fz-md);
  font-weight: var(--fw-semibold);
  margin-bottom: 2px;
}
.toast__text {
  font-size: var(--fz-sm);
  color: var(--c-text-muted);
}

.toast.toast-regular { border-left-color: var(--c-primary); }
.toast.toast-super {
  border-left: 4px solid transparent;
  background-image:
    linear-gradient(var(--c-bg-elev-2), var(--c-bg-elev-2)),
    var(--g-super);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--sh-glow-super);
}
.toast.toast-reset { border-left-color: var(--c-info); }
.toast.toast-error { border-left-color: var(--c-error); }
.toast.toast-offline { border-left-color: var(--c-warn); }
.toast.toast-success { border-left-color: var(--c-success); }

/* ---------- Coupon card ---------- */
.coupons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--sp-4);
}

.coupon {
  background: var(--c-bg-elev-1);
  border: 1px dashed rgba(249, 115, 22, 0.4);
  border-radius: var(--r-lg);
  padding: 22px 16px;
  text-align: center;
  position: relative;
}

.coupon::before,
.coupon::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-bg);
  top: 50%;
  transform: translateY(-50%);
}
.coupon::before { left: -7px; }
.coupon::after  { right: -7px; }

.coupon__type {
  font-size: 11px;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: var(--sp-2);
}

.coupon__code {
  font-family: var(--ff-mono);
  font-size: var(--fz-xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-code);
  color: var(--c-text);
}

.coupon.super {
  border: 1px dashed rgba(255, 92, 138, 0.5);
  background: linear-gradient(135deg, rgba(255, 92, 138, 0.08), rgba(255, 181, 71, 0.08)), var(--c-bg-elev-1);
}
.coupon.super .coupon__type { color: var(--c-super); }
.coupon.super .coupon__code {
  background: var(--g-super);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.coupon.is-new {
  animation: coupon-prepend var(--t-slow) var(--ease-spring) forwards;
}
.coupon.super.is-new {
  animation: coupon-prepend-super var(--t-slow) var(--ease-spring) forwards;
}

/* ---------- Empty state ---------- */
.empty-state {
  background: var(--c-bg-elev-1);
  border: 1px dashed var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-12) var(--sp-5);
  text-align: center;
  color: var(--c-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
}

.empty-state__icon {
  font-size: 40px;
  opacity: 0.5;
  line-height: 1;
}
.empty-state__title {
  font-size: var(--fz-lg);
  font-weight: var(--fw-semibold);
  color: var(--c-text);
}
.empty-state__text {
  font-size: var(--fz-md);
  color: var(--c-text-muted);
  max-width: 420px;
}

/* ---------- Skeleton ---------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--c-bg-elev-1) 0%,
    var(--c-bg-elev-2) 50%,
    var(--c-bg-elev-1) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--r-md);
  color: transparent !important;
  user-select: none;
}

.skeleton-line {
  display: inline-block;
  height: 1em;
  border-radius: var(--r-sm);
}

.skeleton--counter {
  display: inline-block;
  width: 96px;
  height: 56px;
  border-radius: var(--r-md);
}

.skeleton--bar {
  display: block;
  width: 100%;
  height: 14px;
  border-radius: var(--r-pill);
}

.skeleton--balance {
  display: inline-block;
  width: 96px;
  height: 18px;
  vertical-align: middle;
}

/* ---------- Error banner ---------- */
.error-banner {
  background: var(--c-error-soft);
  border: 1px solid var(--c-error);
  color: var(--c-text);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-4) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.error-banner__msg {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-medium);
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(19, 18, 18, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  animation: fade-in var(--t-base) var(--ease-out) forwards;
}

.modal-backdrop.is-open { display: flex; }

.modal {
  background: var(--c-bg-elev-1);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  max-width: 440px;
  width: 100%;
  box-shadow: var(--sh-lg);
  animation: modal-in var(--t-base) var(--ease-spring) forwards;
}

.modal__title {
  font-size: var(--fz-xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-3);
}

.modal__text {
  color: var(--c-text-muted);
  font-size: var(--fz-md);
  margin-bottom: var(--sp-6);
}

.modal__actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
}

/* ---------- Backdrop flash (wow) ---------- */
.backdrop-flash {
  position: fixed;
  inset: 0;
  background: var(--g-super-soft);
  z-index: var(--z-confetti);
  pointer-events: none;
  opacity: 0;
  animation: backdrop-flash 220ms ease-out;
}

/* ---------- User switcher (multi-user) ---------- */
.user-switcher {
  font: inherit;
  font-size: var(--fz-sm, 14px);
  background: var(--c-surface-2, #232121);
  color: var(--c-text, #fff);
  border: 1px solid var(--c-border, rgba(255,255,255,0.1));
  border-radius: var(--r-md, 8px);
  padding: 6px 10px;
  margin-right: var(--sp-3, 12px);
  cursor: pointer;
  max-width: 220px;
}
.user-switcher:hover {
  border-color: var(--c-brand, #F97316);
}
.user-switcher:focus {
  outline: 2px solid var(--c-brand, #F97316);
  outline-offset: 2px;
}

/* ---------- Join campaign CTA ---------- */
.hero__cta {
  margin-top: var(--sp-3, 12px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-2, 8px);
}
@media (max-width: 1023px) {
  .hero__cta { align-items: center; }
}
.hero__cta-hint {
  font-size: var(--fz-sm, 14px);
  color: var(--c-text-muted, rgba(255,255,255,0.5));
  font-weight: var(--fw-semibold);
  margin: 0;
}

/* Стрелочка-cue + текст в кнопке */
.join-btn__arrow {
  display: inline-block;
  font-weight: var(--fw-bold);
  margin-right: 2px;
  transition: transform var(--t-base) var(--ease-out);
}
#joinBtn:hover .join-btn__arrow { transform: translateY(2px); }

#joinBtn {
  min-width: 280px;
  padding: 18px 28px;
  font-size: var(--fz-lg);
  position: relative;
  transition: background 200ms ease, transform 120ms ease, box-shadow 200ms ease;
}
#joinBtn[data-state="loading"] {
  opacity: 0.6;
  cursor: wait;
}
#joinBtn[data-state="ready"] {
  background: var(--c-primary, #F97316);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.32);
}
#joinBtn[data-state="ready"]:hover {
  transform: translateY(-1px);
  background: var(--c-primary-hover, #FB8533);
  box-shadow: 0 10px 28px rgba(249, 115, 22, 0.42);
}
#joinBtn[data-state="ready"]:active {
  transform: translateY(0);
}

/* Pulse-кольцо вокруг кнопки в состоянии ready (только для не-участника) */
#joinBtn[data-state="ready"]::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--r-md) + 4px);
  border: 2px solid var(--c-primary);
  opacity: 0;
  pointer-events: none;
  animation: cta-pulse 1.6s ease-out infinite;
}
@keyframes cta-pulse {
  0%   { opacity: 0.5; transform: scale(0.98); }
  100% { opacity: 0;   transform: scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  #joinBtn[data-state="ready"]::after { animation: none; }
}

#joinBtn[data-state="joined"] {
  /* В состоянии joined кнопка превращается в позитивный бэйдж — не disabled-серый */
  background: transparent;
  color: var(--c-primary);
  border: 1px solid var(--c-primary);
  cursor: default;
  opacity: 1;
  padding: 14px 22px;
  font-size: var(--fz-md);
  min-width: 240px;
  box-shadow: none;
  pointer-events: auto; /* чтобы можно было читать tooltip */
}
#joinBtn[data-state="joined"] .join-btn__arrow { display: none; }
#joinBtn[data-state="joined"] .join-btn__label::before {
  content: "✓ ";
  color: var(--c-primary);
  font-weight: var(--fw-bold, 700);
  margin-right: 4px;
}
#joinBtn[data-state="pending"] {
  opacity: 0.6;
  cursor: wait;
}