/* calc-ribbon v2.7 */

.calc-ribbon {
  --cr-bg: #ffffff;
  --cr-bg-alt: #f6f7f9;
  --cr-bg-card: #ffffff;
  --cr-bg-result: #f0fdf4;
  --cr-text: #1a1a2e;
  --cr-text-sec: #5a5f72;
  --cr-text-muted: #6b7080;
  --cr-border: #e4e6eb;
  --cr-border-light: #f0f1f4;
  --cr-accent: #2563eb;
  --cr-accent-hover: #1d4ed8;
  --cr-accent-light: #eff4ff;
  --cr-green: #16a34a;
  --cr-green-light: #f0fdf4;
  --cr-red: #dc2626;
  --cr-radius: 12px;
  --cr-radius-s: 8px;
  --cr-font: 'Onest', -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --cr-t-fast: .15s;
  --cr-t-base: .25s;
}

[data-theme="dark"] .calc-ribbon, .dark .calc-ribbon {
  --cr-bg: #111318; --cr-bg-alt: #1a1c24; --cr-bg-card: #1e2028;
  --cr-bg-result: #0f2918; --cr-text: #e8e9ed; --cr-text-sec: #9ea3b5;
  --cr-text-muted: #7b8096; --cr-border: #2a2d38; --cr-border-light: #23252f;
  --cr-accent: #5b8def; --cr-accent-hover: #4a7de6; --cr-accent-light: #1a2744;
  --cr-green: #34d670; --cr-green-light: #0f2918;
}

.calc-ribbon {
  max-width: 1060px; margin: 0 auto; font-family: var(--cr-font);
  color: var(--cr-text); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.calc-ribbon *, .calc-ribbon *::before, .calc-ribbon *::after { box-sizing: border-box; }

.calc-ribbon__header { margin-bottom: 28px; }
.calc-ribbon__title { font-size: 28px; font-weight: 700; margin: 0 0 6px; letter-spacing: -.01em; line-height: 1.3; }
.calc-ribbon__subtitle { font-size: 16px; color: var(--cr-text-sec); margin: 0; }

/* ── Modes ── */
.calc-ribbon__modes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }

/* Order: left col = рулоны (labels, ribbon), right col = себестоимость (cost_no, cost_with) */
.calc-ribbon__mode[data-mode="labels"]           { order: 1; }
.calc-ribbon__mode[data-mode="cost_no_ribbon"]   { order: 2; }
.calc-ribbon__mode[data-mode="ribbon"]           { order: 3; }
.calc-ribbon__mode[data-mode="cost_with_ribbon"] { order: 4; }

.calc-ribbon__mode {
  display: flex; gap: 14px; padding: 18px 20px;
  border: 1.5px solid var(--cr-border); border-radius: var(--cr-radius);
  cursor: pointer; user-select: none; background: var(--cr-bg-card);
  position: relative; align-items: flex-start;
  transition: border-color var(--cr-t-base), background var(--cr-t-base), box-shadow var(--cr-t-base);
}
.calc-ribbon__mode:hover { border-color: color-mix(in srgb, var(--cr-accent) 40%, transparent); background: var(--cr-accent-light); }
.calc-ribbon__mode--active { border-color: var(--cr-accent); background: var(--cr-accent-light); box-shadow: 0 0 0 1px var(--cr-accent); }
.calc-ribbon__mode input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }

.calc-ribbon__mode-icon {
  flex-shrink: 0; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; background: var(--cr-bg-alt); color: var(--cr-text-muted);
  transition: background var(--cr-t-base), color var(--cr-t-base), transform .3s cubic-bezier(.34,1.56,.64,1);
}
.calc-ribbon__mode--active .calc-ribbon__mode-icon { background: var(--cr-accent); color: #fff; }
.calc-ribbon__mode-icon svg { width: 24px; height: 24px; }

/* ── Micro: icon bounce on select ── */
@keyframes cr-icon-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}
.calc-ribbon__mode-icon--pop {
  animation: cr-icon-pop .35s cubic-bezier(.34,1.56,.64,1);
}

.calc-ribbon__mode-body { flex: 1; min-width: 0; }
.calc-ribbon__mode-name { font-size: 15px; font-weight: 600; line-height: 1.3; color: var(--cr-text); display: block; margin-bottom: 4px; }
.calc-ribbon__mode-desc { font-size: 13px; color: var(--cr-text-muted); line-height: 1.45; display: block; }
.calc-ribbon__mode--active .calc-ribbon__mode-desc { color: var(--cr-text-sec); }
.calc-ribbon__mode-badge {
  position: absolute; top: 12px; right: 14px; font-size: 11.5px;
  color: var(--cr-text-muted); background: var(--cr-bg-alt);
  padding: 2px 8px; border-radius: 20px; opacity: .7;
}
.calc-ribbon__mode--active .calc-ribbon__mode-badge {
  opacity: 1; background: color-mix(in srgb, var(--cr-accent) 15%, transparent); color: var(--cr-accent);
}

/* ── Workspace ── */
.calc-ribbon__workspace {
  background: var(--cr-bg-alt); border-radius: var(--cr-radius);
  padding: 28px; border: 1px solid var(--cr-border-light);
  display: flex; gap: 32px; align-items: stretch;
}

/* ── SVG diagram ── */
.calc-ribbon__diagram {
  flex: 0 0 380px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cr-bg-card); border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius); padding: 16px; min-height: 460px;
}
.calc-ribbon__diagram svg { width: 100%; height: 100%; display: block; }

/* ═══ SVG styles ═══ */
.cr-svg-paper { fill: #d0d4dc; }
[data-theme="dark"] .calc-ribbon .cr-svg-paper, .dark .calc-ribbon .cr-svg-paper { fill: #2a2d38; }

.cr-svg-label { fill: var(--cr-bg); stroke: #949aab; stroke-width: 1.2; }
.cr-svg-label-clipped { fill: var(--cr-bg); stroke: #b8bcc8; stroke-width: .8; opacity: .55; }
[data-theme="dark"] .calc-ribbon .cr-svg-label { fill: #d8dae0; stroke: #555b6e; }
[data-theme="dark"] .calc-ribbon .cr-svg-label-clipped { fill: #d8dae0; stroke: #555b6e; opacity: .4; }
.dark .calc-ribbon .cr-svg-label { fill: #d8dae0; stroke: #555b6e; }
.dark .calc-ribbon .cr-svg-label-clipped { fill: #d8dae0; stroke: #555b6e; opacity: .4; }

.cr-svg-barcode { fill: #1a1a2e; opacity: .7; }
.cr-svg-textln { fill: #1a1a2e; opacity: .2; }

.cr-svg-dim-line  { stroke: #8b91a0; stroke-width: 1.2; opacity: .5; }
.cr-svg-dim-arrow { stroke: #8b91a0; stroke-width: 1.2; fill: none; opacity: .5; }
.cr-svg-dim-tick  { stroke: #8b91a0; stroke-width: .8; opacity: .45; }
.cr-svg-dim-label { font-family: var(--cr-font); font-size: 14px; font-weight: 600; fill: #5a5f72; opacity: .7; dominant-baseline: middle; }

[data-theme="dark"] .calc-ribbon .cr-svg-dim-line, [data-theme="dark"] .calc-ribbon .cr-svg-dim-arrow { stroke: #6b7080; }
[data-theme="dark"] .calc-ribbon .cr-svg-dim-tick { stroke: #6b7080; }
[data-theme="dark"] .calc-ribbon .cr-svg-dim-label { fill: #9ea3b5; }

.cr-svg-ribbon-edge { stroke: #8b91a0; stroke-width: 1.2; stroke-dasharray: 6 3; opacity: .25; }
.cr-svg-ribbon-label { font-family: var(--cr-font); font-size: 13px; font-weight: 600; fill: #5a5f72; opacity: .4; dominant-baseline: middle; }

.cr-svg-badge { font-family: var(--cr-font); font-size: 13px; font-weight: 500; fill: var(--cr-text-sec); dominant-baseline: middle; text-anchor: middle; opacity: .7; }

/* States */
.cr-dim-relevant .cr-svg-dim-line, .cr-dim-relevant .cr-svg-dim-arrow { stroke: var(--cr-accent); opacity: .6; stroke-width: 1.4; }
.cr-dim-relevant .cr-svg-dim-tick { stroke: var(--cr-accent); opacity: .5; }
.cr-dim-relevant .cr-svg-dim-label { fill: var(--cr-accent); opacity: .85; }

.cr-dim-active .cr-svg-dim-line, .cr-dim-active .cr-svg-dim-arrow { stroke: var(--cr-accent); opacity: 1; stroke-width: 1.6; }
.cr-dim-active .cr-svg-dim-tick { stroke: var(--cr-accent); opacity: .9; }
.cr-dim-active .cr-svg-dim-label { fill: var(--cr-accent); opacity: 1; font-weight: 700; }

.cr-ribbon-relevant .cr-svg-ribbon-edge { stroke: var(--cr-accent); opacity: .4; stroke-width: 1.4; }
.cr-ribbon-relevant .cr-svg-ribbon-label { fill: var(--cr-accent); opacity: .65; }
.cr-ribbon-active .cr-svg-ribbon-edge { stroke: var(--cr-accent); opacity: .75; stroke-width: 1.6; }
.cr-ribbon-active .cr-svg-ribbon-label { fill: var(--cr-accent); opacity: 1; font-weight: 700; }

/* ── Micro: dim flash on input keystroke ── */
@keyframes cr-dim-flash {
  0%   { opacity: 1; }
  30%  { opacity: .3; }
  100% { opacity: 1; }
}
.cr-dim-flash .cr-svg-dim-label { animation: cr-dim-flash .4s ease; }

/* ── Fields ── */
.calc-ribbon__fields-col { flex: 1; min-width: 0; }
.calc-ribbon__fields { display: flex; flex-direction: column; gap: 18px; }
.calc-ribbon__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.calc-ribbon__field {
  display: none; flex-direction: column; gap: 6px;
  opacity: 0; transform: translateY(10px);
}
.calc-ribbon__field--visible {
  display: flex;
  animation: cr-field-in .35s cubic-bezier(.22,1,.36,1) forwards;
  animation-delay: var(--cr-stagger, 0ms);
}

.calc-ribbon__label { font-size: 14px; font-weight: 500; color: var(--cr-text-sec); display: flex; align-items: center; gap: 6px; line-height: 1.3; }

.calc-ribbon__hint-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--cr-text-muted); color: var(--cr-bg);
  font-size: 10px; font-weight: 700; cursor: pointer; flex-shrink: 0;
  border: none; padding: 0; opacity: .5;
  transition: opacity var(--cr-t-fast), background var(--cr-t-fast);
}
.calc-ribbon__hint-btn:hover { opacity: 1; background: var(--cr-accent); }

.calc-ribbon__hint {
  display: none; font-size: 13px; color: var(--cr-text-muted);
  background: var(--cr-bg); border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-s); padding: 8px 12px; line-height: 1.5;
  transform: translateY(-4px); opacity: 0;
}
.calc-ribbon__hint--open {
  display: block;
  animation: cr-hint-in .25s cubic-bezier(.22,1,.36,1) forwards;
}

@keyframes cr-hint-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.calc-ribbon__input-wrap { position: relative; }

.calc-ribbon__input {
  padding: 11px 16px; border: 1.5px solid var(--cr-border);
  border-radius: var(--cr-radius-s); font-size: 16px;
  font-family: var(--cr-font); width: 100%;
  background: var(--cr-bg); color: var(--cr-text);
  transition: border-color var(--cr-t-fast), box-shadow var(--cr-t-fast);
  outline: none;
  -moz-appearance: textfield;
}
.calc-ribbon__input::-webkit-inner-spin-button,
.calc-ribbon__input::-webkit-outer-spin-button {
  -webkit-appearance: none; margin: 0;
}
.calc-ribbon__input::placeholder { color: var(--cr-text-muted); opacity: .45; }
.calc-ribbon__input:focus {
  border-color: var(--cr-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-accent) 12%, transparent);
}

/* Field-level error: red border + shake */
.calc-ribbon__input--error {
  border-color: var(--cr-red) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-red) 12%, transparent) !important;
  animation: cr-shake .4s ease;
}
@keyframes cr-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

/* ── Micro: valid glow — green flash on valid number ── */
@keyframes cr-input-ok {
  0%   { box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-accent) 12%, transparent); }
  50%  { box-shadow: 0 0 0 4px color-mix(in srgb, var(--cr-green) 18%, transparent); }
  100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-accent) 12%, transparent); }
}
.calc-ribbon__input--ok { animation: cr-input-ok .4s ease; }

.calc-ribbon__unit {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-size: 14px; color: var(--cr-text-muted); pointer-events: none; opacity: .7;
}
.calc-ribbon__input--has-unit { padding-right: 52px; }

/* ── Submit + ripple ── */
.calc-ribbon__submit {
  margin-top: 6px; padding: 13px 40px;
  background: var(--cr-accent); color: #fff; border: none;
  border-radius: var(--cr-radius-s); font-size: 16px; font-weight: 600;
  font-family: var(--cr-font); cursor: pointer;
  transition: background var(--cr-t-base), transform .06s, box-shadow var(--cr-t-base);
  align-self: flex-start; position: relative; overflow: hidden;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--cr-accent) 25%, transparent);
}
.calc-ribbon__submit:hover { background: var(--cr-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 14px color-mix(in srgb, var(--cr-accent) 30%, transparent); }
.calc-ribbon__submit:active { transform: scale(.97); transition-duration: .06s; }
.calc-ribbon__submit:focus-visible { outline: 2px solid var(--cr-accent); outline-offset: 2px; }

/* Ripple element */
.calc-ribbon__ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transform: scale(0); pointer-events: none;
  animation: cr-ripple .5s ease-out forwards;
}
@keyframes cr-ripple {
  to { transform: scale(4); opacity: 0; }
}

/* ── Result ── */
.calc-ribbon__result {
  margin-top: 0; border-radius: var(--cr-radius);
  overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height .4s cubic-bezier(.22,1,.36,1), opacity .3s, margin .3s;
}
.calc-ribbon__result--visible { max-height: 300px; opacity: 1; margin-top: 24px; }
.calc-ribbon__result-inner {
  padding: 22px 28px; background: var(--cr-bg-result);
  border: 1px solid color-mix(in srgb, var(--cr-green) 20%, transparent);
  border-radius: var(--cr-radius);
}
.calc-ribbon__result-main { display: flex; align-items: center; gap: 18px; }
.calc-ribbon__result-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: var(--cr-green); display: flex; align-items: center; justify-content: center;
  color: #fff; animation: cr-result-pop .4s cubic-bezier(.34,1.56,.64,1);
}
.calc-ribbon__result-icon svg { width: 22px; height: 22px; }

/* ── Micro: checkmark stroke-draw ── */
.calc-ribbon__result-icon svg path { stroke-dasharray: 24; stroke-dashoffset: 24; animation: cr-check-draw .4s .2s ease forwards; }
@keyframes cr-check-draw { to { stroke-dashoffset: 0; } }

.calc-ribbon__result-body { flex: 1; min-width: 0; }
.calc-ribbon__result-label { font-size: 14px; color: var(--cr-text-sec); margin-bottom: 3px; }
.calc-ribbon__result-value { font-size: 26px; font-weight: 700; color: var(--cr-text); line-height: 1.2; }
.calc-ribbon__result-value small { font-size: 16px; font-weight: 500; color: var(--cr-text-sec); }
.calc-ribbon__result-detail {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--cr-green) 12%, transparent);
  font-size: 14px; color: var(--cr-text-sec); line-height: 1.6;
}
.calc-ribbon__result-detail span { color: var(--cr-text); font-weight: 500; }
.calc-ribbon__result-inner--error { background: color-mix(in srgb, var(--cr-red) 6%, var(--cr-bg)); border-color: color-mix(in srgb, var(--cr-red) 20%, transparent); }
.calc-ribbon__result-inner--error .calc-ribbon__result-icon { background: var(--cr-red); }
.calc-ribbon__result-inner--error .calc-ribbon__result-icon svg path { animation: none; stroke-dashoffset: 0; }
.calc-ribbon__result-inner--error .calc-ribbon__result-value { font-size: 15px; font-weight: 500; color: var(--cr-red); }

/* ── Links ── */
.calc-ribbon__links { margin-top: 28px; padding-bottom: 48px; font-size: 15px; color: var(--cr-text-muted); text-align: center; }
.calc-ribbon__links a { color: var(--cr-accent); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--cr-accent) 30%, transparent); transition: border-color var(--cr-t-fast); }
.calc-ribbon__links a:hover { border-color: var(--cr-accent); }

/* ── Keyframes ── */
@keyframes cr-field-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cr-result-pop { 0% { transform: scale(0); } 70% { transform: scale(1.15); } 100% { transform: scale(1); } }

@media (prefers-reduced-motion: reduce) {
  .calc-ribbon *, .calc-ribbon *::before, .calc-ribbon *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important;
  }
}

@media (max-width: 900px) {
  .calc-ribbon__workspace { flex-direction: column; padding: 20px; gap: 20px; }
  .calc-ribbon__diagram { flex: none; min-height: 0; height: 340px; max-height: 340px; padding: 14px; overflow: hidden; }
}
@media (max-width: 680px) {
  .calc-ribbon__modes { grid-template-columns: 1fr; gap: 8px; }
  .calc-ribbon__mode { padding: 14px 16px; }
  .calc-ribbon__row { grid-template-columns: 1fr; gap: 14px; }
  .calc-ribbon__title { font-size: 22px; }
  .calc-ribbon__diagram { height: 300px; max-height: 300px; }
}
@media (max-width: 420px) {
  .calc-ribbon__mode-icon { width: 38px; height: 38px; }
  .calc-ribbon__mode-icon svg { width: 20px; height: 20px; }
  .calc-ribbon__mode-badge { display: none; }
  .calc-ribbon__workspace { padding: 14px; border-radius: var(--cr-radius-s); }
  .calc-ribbon__diagram { height: 260px; max-height: 260px; min-height: 0; padding: 10px; }
  .calc-ribbon__submit { width: 100%; text-align: center; }
  .calc-ribbon__result-main { flex-direction: column; text-align: center; }
}