:root {
  --bg: #07050c;
  --surface: rgba(22, 18, 34, 0.45);
  --surface-raised: rgba(30, 26, 48, 0.55);
  --sidebar-bg: rgba(12, 10, 22, 0.55);
  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.2);
  --glass-edge: rgba(255, 255, 255, 0.14);
  --text: #f4f2f8;
  --text-muted: #a09bb8;
  --accent: #c4b5fd;
  --accent-bright: #ede9fe;
  --accent-hot: #f0abfc;
  --violet: #8b5cf6;
  --violet-deep: #6d28d9;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.18);
  --blur-glass: 40px;
  --radius: 22px;
  --radius-sm: 14px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "Space Grotesk", var(--font);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  overflow-y: auto;
}

.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 70% at 50% -25%, rgba(109, 40, 217, 0.45), transparent 52%),
    radial-gradient(ellipse 70% 55% at 100% 35%, rgba(139, 92, 246, 0.22), transparent 48%),
    radial-gradient(ellipse 65% 50% at 0% 75%, rgba(240, 171, 252, 0.14), transparent 48%),
    linear-gradient(165deg, #0a0712 0%, #07050c 45%, #06040a 100%);
}

.bg-blobs {
  position: fixed;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.75;
  filter: blur(72px);
  background:
    radial-gradient(circle 420px at 18% 28%, rgba(139, 92, 246, 0.5), transparent 72%),
    radial-gradient(circle 360px at 85% 65%, rgba(192, 132, 252, 0.35), transparent 68%),
    radial-gradient(circle 280px at 55% 12%, rgba(244, 114, 182, 0.2), transparent 65%);
  animation: blob-drift 22s ease-in-out infinite alternate;
}

@keyframes blob-drift {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(2%, -2%) scale(1.05);
  }
}

.app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  min-height: 100vh;
}

.sidebar {
  width: min(306px, 92vw);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.35rem 1.15rem 1.25rem;
  position: sticky;
  top: 0;
  align-self: flex-start;
  min-height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.03) 35%,
    rgba(139, 92, 246, 0.06) 100%
  );
  background-color: var(--sidebar-bg);
  backdrop-filter: blur(var(--blur-glass)) saturate(1.65);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(1.65);
  border-right: 1px solid var(--glass-edge);
  box-shadow:
    4px 0 32px rgba(0, 0, 0, 0.12),
    inset 1px 0 0 rgba(255, 255, 255, 0.08),
    inset -1px 0 0 rgba(0, 0, 0, 0.06);
}

.header {
  padding: 0;
}

.header-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}

.header-mark {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: 0.15rem;
  border-radius: 12px;
  border: 1px solid var(--glass-edge);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(139, 92, 246, 0.25));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.15);
  position: relative;
}

.header-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 6px;
  background: linear-gradient(145deg, var(--violet), var(--violet-deep));
  opacity: 0.92;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.header-titles {
  min-width: 0;
}

.workspace-switch {
  display: flex;
  gap: 0.35rem;
  padding: 0.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.workspace-btn {
  flex: 1;
  padding: 0.55rem 0.65rem;
  border: none;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: var(--text-muted);
  background: transparent;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}

.workspace-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.workspace-btn--active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 4px 14px rgba(0, 0, 0, 0.12);
}

.eyebrow {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.logo {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
  animation: fade-down 0.55s ease both;
}

.logo span {
  color: var(--accent-bright);
  font-weight: 600;
}

.rate-disclosure {
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-edge);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.rate-disclosure__summary {
  list-style: none;
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--text-muted);
  user-select: none;
  transition: background 0.2s, color 0.2s;
}

.rate-disclosure__summary::-webkit-details-marker {
  display: none;
}

.rate-disclosure__summary::before {
  content: "+";
  display: inline-block;
  width: 1rem;
  margin-right: 0.4rem;
  font-weight: 700;
  color: var(--violet);
  transition: transform 0.2s;
}

.rate-disclosure[open] .rate-disclosure__summary::before {
  transform: rotate(45deg);
}

.rate-disclosure__summary:hover {
  color: var(--text);
  background: rgba(139, 92, 246, 0.08);
}

.rate-disclosure__muted {
  font-family: var(--font);
  font-weight: 400;
  opacity: 0.7;
}

.rate-disclosure__body {
  padding: 0 0.85rem 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.64rem;
  font-weight: 600;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.field-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar .suffix {
  color: var(--text-muted);
  font-weight: 600;
  font-family: var(--font-display);
}

.input-row {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
}

.input-row .input {
  flex: 1;
  min-width: 0;
}

.input {
  width: 100%;
  padding: 0.58rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(8, 6, 16, 0.35);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.sidebar .input {
  background: rgba(6, 4, 14, 0.45);
}

.input:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(12, 10, 24, 0.42);
}

.input:focus {
  outline: none;
  border-color: rgba(196, 181, 253, 0.45);
  box-shadow:
    0 0 0 3px rgba(139, 92, 246, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  background: rgba(14, 12, 28, 0.5);
}

.input--rate {
  max-width: 120px;
}

.toolbar {
  margin-top: auto;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn--primary {
  width: 100%;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #a78bfa 0%, var(--violet) 45%, var(--violet-deep) 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow:
    0 4px 16px rgba(109, 40, 217, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn--primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow:
    0 8px 28px rgba(139, 92, 246, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.btn--go {
  flex-shrink: 0;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-bright);
  white-space: nowrap;
  font-size: 0.72rem;
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn--go:hover:not(:disabled) {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn--go:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 1.15rem;
  line-height: 1;
  font-weight: 700;
}

.stage {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0 0 2.5rem;
}

.stage-header {
  padding: 1.75rem 1rem 0.25rem;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  text-align: left;
  padding-left: clamp(1rem, 3vw, 2rem);
}

.stage-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: -0.04em;
  text-transform: lowercase;
  color: var(--text);
}

.stage-sub {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
}

.stage-sub::after {
  display: none;
}

.items-list {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.15rem;
  padding: 1.25rem clamp(0.85rem, 2.5vw, 2rem);
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}

.items-list::-webkit-scrollbar {
  width: 6px;
}

.items-list::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

.item {
  position: relative;
  flex: none;
  isolation: isolate;
  padding: 1.35rem 1.35rem 1.4rem;
  padding-right: 2.65rem;
  border-radius: var(--radius);
  border: 1px solid var(--glass-edge);
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.11) 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(139, 92, 246, 0.08) 100%
  );
  backdrop-filter: blur(var(--blur-glass)) saturate(1.7);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(1.7);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.08),
    0 20px 48px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s, border-color 0.25s;
}

.item:hover {
  transform: translateY(-4px) scale(1.005);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow:
    0 12px 40px rgba(139, 92, 246, 0.12),
    0 32px 64px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.item-remove {
  position: absolute;
  z-index: 2;
  top: 0.65rem;
  right: 0.6rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(8, 6, 14, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--danger);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  font-family: var(--font-display);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}

.item-remove:hover {
  background: var(--danger-soft);
  border-color: rgba(248, 113, 113, 0.35);
  transform: scale(1.08);
}

.item-grid {
  display: grid;
  gap: 1.05rem;
  grid-template-columns: 148px 1fr;
  align-items: start;
}

@media (max-width: 520px) {
  .item-grid {
    grid-template-columns: 1fr;
  }
}

.item-visual {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.image-tabs {
  display: flex;
  gap: 0.25rem;
}

.tab {
  flex: 1;
  padding: 0.42rem 0.45rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(6, 4, 14, 0.32);
  color: var(--text-muted);
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.tab:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
}

.tab--active {
  background: rgba(139, 92, 246, 0.32);
  border-color: rgba(196, 181, 253, 0.45);
  color: var(--accent-bright);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.tab-panel.hidden {
  display: none;
}

.file-drop {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.48rem;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.2s, background 0.2s;
}

.file-drop:hover {
  border-color: rgba(196, 181, 253, 0.45);
  background: rgba(139, 92, 246, 0.1);
}

.file-drop input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}

.file-drop-text {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

.preview-wrap {
  position: relative;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(4, 3, 10, 0.45);
  border: 1px solid var(--glass-edge);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}

.preview-wrap.preview-wrap--zoomable {
  cursor: zoom-in;
}

.preview-wrap.preview-wrap--zoomable:hover {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 12px 32px rgba(139, 92, 246, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  transform: scale(1.02);
}

.preview-wrap.preview-wrap--zoomable:focus {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(139, 92, 246, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  animation: preview-in 0.4s ease both;
}

@keyframes preview-in {
  from {
    opacity: 0;
    transform: scale(1.04);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.55rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.35;
  pointer-events: none;
}

.preview:not([hidden]) + .preview-placeholder {
  opacity: 0;
}

.item-fields {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.field-row--gap {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.field--grow {
  flex: 1;
  min-width: 90px;
}

.field--price {
  flex: 0 0 108px;
}

.item-rub-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.62rem 0.95rem;
  border-radius: 16px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px) saturate(1.45);
  -webkit-backdrop-filter: blur(16px) saturate(1.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.item-rub-label {
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.item-rub-value {
  font-weight: 700;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--accent-hot);
}

.item-rub-value.pop {
  animation: pop-num 0.35s ease;
}

@keyframes pop-num {
  50% {
    transform: scale(1.05);
  }
}

.totals {
  margin-top: 0.35rem;
  padding: 1.1rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--glass-edge);
  background: linear-gradient(
    165deg,
    rgba(255, 255, 255, 0.09) 0%,
    rgba(255, 255, 255, 0.03) 50%,
    rgba(139, 92, 246, 0.06) 100%
  );
  backdrop-filter: blur(28px) saturate(1.55);
  -webkit-backdrop-filter: blur(28px) saturate(1.55);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.totals::before {
  display: none;
}

.totals-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.totals-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.total-block {
  text-align: center;
  min-width: 76px;
}

.total-label {
  display: block;
  font-size: 0.62rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
  font-weight: 600;
}

.total-value {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--text);
}

.total-value--rub {
  color: var(--accent-hot);
}

.total-unit {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.06rem;
}

.total-divider {
  width: 1px;
  height: 38px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.totals-note {
  margin: 0.65rem 0 0;
  text-align: center;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  opacity: 0.8;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(4, 2, 10, 0.52);
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  cursor: zoom-out;
  animation: lightbox-in 0.25s ease both;
}

.lightbox[hidden] {
  display: none !important;
}

@keyframes lightbox-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 20px;
  border: 1px solid var(--glass-edge);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  cursor: default;
  pointer-events: auto;
  animation: lightbox-img 0.38s ease both;
}

@keyframes lightbox-img {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 2.85rem;
  height: 2.85rem;
  border: 1px solid var(--glass-edge);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  color: var(--accent-bright);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  font-family: var(--font-display);
  transition: background 0.2s, transform 0.15s;
  z-index: 201;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.card-enter {
  animation: card-enter 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.total-value.ticked {
  animation: tick-total 0.45s ease;
}

@keyframes tick-total {
  0% {
    transform: scale(1);
  }
  35% {
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
  }
}

::selection {
  background: rgba(139, 92, 246, 0.35);
  color: var(--text);
}

/* —— второй пользователь: аквамарин / бирюза (тот же glass, другие цвета) —— */
body.theme-aqua {
  --bg: #040e10;
  --sidebar-bg: rgba(6, 18, 22, 0.55);
  --text-muted: #7eb8bc;
  --accent: #5eead4;
  --accent-bright: #ccfbf1;
  --accent-hot: #2dd4bf;
  --violet: #14b8a6;
  --violet-deep: #0f766e;
}

body.theme-aqua .bg-atmosphere {
  background:
    radial-gradient(ellipse 115% 65% at 50% -30%, rgba(13, 148, 136, 0.42), transparent 52%),
    radial-gradient(ellipse 68% 52% at 96% 38%, rgba(45, 212, 191, 0.22), transparent 48%),
    radial-gradient(ellipse 62% 48% at 4% 72%, rgba(94, 234, 212, 0.16), transparent 48%),
    linear-gradient(165deg, #061216 0%, #040e10 45%, #030a0c 100%);
}

body.theme-aqua .bg-blobs {
  background:
    radial-gradient(circle 400px at 20% 26%, rgba(45, 212, 191, 0.48), transparent 72%),
    radial-gradient(circle 340px at 82% 68%, rgba(6, 182, 212, 0.32), transparent 68%),
    radial-gradient(circle 260px at 52% 14%, rgba(153, 246, 228, 0.22), transparent 65%);
}

body.theme-aqua .sidebar {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.09) 0%,
    rgba(255, 255, 255, 0.03) 38%,
    rgba(45, 212, 191, 0.07) 100%
  );
  background-color: var(--sidebar-bg);
}

body.theme-aqua .header-mark {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(45, 212, 191, 0.28));
}

body.theme-aqua .logo span {
  color: var(--accent-bright);
  text-shadow: 0 0 28px rgba(45, 212, 191, 0.35);
}

body.theme-aqua .item {
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.11) 0%,
    rgba(255, 255, 255, 0.04) 42%,
    rgba(45, 212, 191, 0.09) 100%
  );
}

body.theme-aqua .item:hover {
  box-shadow:
    0 12px 40px rgba(45, 212, 191, 0.14),
    0 32px 64px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

body.theme-aqua .btn--primary {
  background: linear-gradient(180deg, #5eead4 0%, #14b8a6 45%, #0d9488 100%);
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow:
    0 4px 18px rgba(13, 148, 136, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

body.theme-aqua .btn--primary:hover {
  box-shadow:
    0 8px 26px rgba(20, 184, 166, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.36);
}

body.theme-aqua .tab--active {
  background: rgba(45, 212, 191, 0.28);
  border-color: rgba(204, 251, 241, 0.45);
}

body.theme-aqua .file-drop:hover {
  border-color: rgba(94, 234, 212, 0.55);
  background: rgba(45, 212, 191, 0.1);
}

body.theme-aqua .preview-wrap.preview-wrap--zoomable:hover {
  box-shadow:
    0 12px 32px rgba(45, 212, 191, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

body.theme-aqua .preview-wrap.preview-wrap--zoomable:focus {
  box-shadow:
    0 0 0 3px rgba(45, 212, 191, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

body.theme-aqua .totals {
  background: linear-gradient(
    168deg,
    rgba(255, 255, 255, 0.09) 0%,
    rgba(255, 255, 255, 0.03) 52%,
    rgba(45, 212, 191, 0.07) 100%
  );
}

body.theme-aqua .btn--go:hover:not(:disabled) {
  background: rgba(45, 212, 191, 0.32);
}

body.theme-aqua .workspace-btn--active {
  background: rgba(45, 212, 191, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 4px 14px rgba(13, 148, 136, 0.18);
}

body.theme-aqua ::selection {
  background: rgba(45, 212, 191, 0.35);
}

@media (max-width: 900px) {
  .app {
    flex-direction: column;
  }

  .sidebar {
    position: relative;
    top: auto;
    width: 100%;
    max-height: none;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    box-shadow: none;
  }

  .toolbar {
    margin-top: 0;
  }

  .stage-header {
    padding-top: 1.25rem;
  }
}

.auth-status {
  margin: 0.4rem 0 0;
  font-size: 0.76rem;
  color: var(--text-muted);
}
.invite-box {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-edge);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
}
.invite-box__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.invite-box__text,
.invite-box__hint,
.sync-banner,
.item-meta {
  color: var(--text-muted);
  font-size: 0.76rem;
}
.auth-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.btn--ghost {
  padding: 0.78rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.14);
}
.sync-banner {
  max-width: 760px;
  width: calc(100% - 2rem);
  margin: 0 auto;
  padding: 0.8rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
}
.item-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}