/* 1С Калькулятор обновлений — Modern Design */
@import url('https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;500;600;700&display=swap');

.ons1c-wrap {
  --blue:      #1a56a0;
  --blue-dark: #0f3d7a;
  --blue-light:#e8f0fb;
  --blue-mid:  #2563b0;
  --yellow:    #f5c800;
  --yellow2:   #e0b800;
  --bg:        #f0f3f8;
  --card:      #ffffff;
  --brd:       #dde3ed;
  --txt:       #1a1f2e;
  --muted:     #6b7280;
  --err:       #dc2626;
  --ok:        #059669;
  --visited:   #7c3aed;
  --shadow-sm: 0 1px 3px rgba(26,86,160,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(26,86,160,.10), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 32px rgba(26,86,160,.13), 0 2px 8px rgba(0,0,0,.06);
  --radius:    14px;
  --radius-sm: 8px;

  font-family: 'Golos Text', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--txt);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4px;
}

/* ─── Layout ─────────────────────────────────────────────────────────────────── */

.ons1c-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 780px) {
  .ons1c-layout { grid-template-columns: 1fr; }
  .ons1c-result-col { max-height: none !important; }
}

.ons1c-form-col { position: sticky; top: 20px; }

.ons1c-result-col {
  max-height: 82vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--brd) transparent;
}

.ons1c-result-col::-webkit-scrollbar { width: 4px; }
.ons1c-result-col::-webkit-scrollbar-track { background: transparent; }
.ons1c-result-col::-webkit-scrollbar-thumb { background: var(--brd); border-radius: 4px; }

/* ─── Card ─────────────────────────────────────────────────────────────────── */

.ons1c-card {
  background: var(--card);
  border: 1px solid var(--brd);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-md);
  transition: box-shadow .2s;
}

/* ─── Card header ─────────────────────────────────────────────────────────── */

.ons1c-card-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--brd);
}

.ons1c-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--yellow);
  color: var(--txt);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.ons1c-badge::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--txt);
  border-radius: 50%;
  opacity: .35;
}

.ons1c-title {
  font-size: 22px !important;
  font-weight: 400 !important;
  margin: 0 0 4px !important;
  line-height: 1.25 !important;
  border: none !important;
  padding: 0 !important;
  color: var(--txt) !important;
  letter-spacing: -.02em;
}

.ons1c-title strong {
  font-weight: 700;
  color: var(--blue);
}

.ons1c-sub {
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 !important;
  line-height: 1.5;
}

/* ─── Form fields ──────────────────────────────────────────────────────────── */

.ons1c-field { margin-bottom: 16px; }

.ons1c-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .07em;
}

/* Select */

.ons1c-select-wrap { position: relative; }

.ons1c-select-wrap select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: #f6f8fc;
  border: 1.5px solid var(--brd);
  border-radius: var(--radius-sm);
  color: var(--txt);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 36px 10px 13px;
  outline: none;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, background .15s;
  height: auto;
  box-shadow: var(--shadow-sm);
}

.ons1c-select-wrap select:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,86,160,.1);
}

.ons1c-select-wrap select:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.ons1c-select-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 10px;
  pointer-events: none;
  transition: transform .15s;
}

/* Text input */

.ons1c-field input[type="text"] {
  width: 100%;
  background: #f6f8fc;
  border: 1.5px solid var(--brd);
  border-radius: var(--radius-sm);
  color: var(--txt);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 13px;
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.ons1c-field input[type="text"]:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,86,160,.1);
}

.ons1c-field input[type="text"]::placeholder {
  color: var(--muted);
  opacity: .6;
}

/* ─── Mode toggle ──────────────────────────────────────────────────────────── */

.ons1c-mode-toggle {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
  background: #f0f3f8;
  padding: 3px;
  border-radius: 10px;
  width: fit-content;
}

.ons1c-mode {
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 5px 14px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 7px;
  transition: all .15s;
  box-shadow: none;
  line-height: 1;
}

.ons1c-mode.active {
  background: #fff;
  color: var(--blue);
  box-shadow: 0 1px 4px rgba(26,86,160,.12);
}

.ons1c-mode:hover:not(.active) {
  color: var(--blue-mid);
}

/* ─── Hint ─────────────────────────────────────────────────────────────────── */

.ons1c-hint {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 5px;
  min-height: 16px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.ons1c-hint.ok { color: var(--ok); font-weight: 600; }
.ons1c-hint.ok::before {
  content: '✓';
  font-weight: 700;
}

/* ─── Primary button ───────────────────────────────────────────────────────── */

.ons1c-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-mid) 0%, var(--blue) 100%);
  color: #fff !important;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 2px 8px rgba(26,86,160,.28), 0 1px 2px rgba(26,86,160,.15);
  text-decoration: none;
  width: 100%;
  margin-top: 6px;
  letter-spacing: .01em;
  position: relative;
  overflow: hidden;
}

.ons1c-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.12) 0%, transparent 60%);
  pointer-events: none;
}

.ons1c-btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  box-shadow: 0 4px 16px rgba(26,86,160,.36), 0 1px 4px rgba(26,86,160,.2);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.ons1c-btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(26,86,160,.2);
}

.ons1c-btn-primary:disabled {
  background: linear-gradient(135deg, #b0c4de, #c5d5e8);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
  opacity: .7;
}

/* ─── Ghost button ─────────────────────────────────────────────────────────── */

.ons1c-btn-ghost {
  background: transparent;
  color: var(--blue) !important;
  border: 1.5px solid var(--brd);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  cursor: pointer;
  transition: all .15s;
  box-shadow: none;
  text-decoration: none;
}

.ons1c-btn-ghost:hover {
  background: var(--blue-light);
  border-color: var(--blue);
  text-decoration: none;
}

/* ─── Alert ────────────────────────────────────────────────────────────────── */

.ons1c-alert {
  margin-top: 12px;
  padding: 10px 14px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
  border-left: 3px solid;
  line-height: 1.5;
}

.ons1c-alert.error {
  border-color: var(--err);
  background: rgba(220,38,38,.06);
  color: var(--err);
}

.ons1c-alert.info {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue-dark);
}

/* ─── Loader ───────────────────────────────────────────────────────────────── */

.ons1c-loader {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ons1c-spin .6s linear infinite;
  vertical-align: middle;
  flex-shrink: 0;
}

@keyframes ons1c-spin { to { transform: rotate(360deg); } }

/* ─── Result card header ───────────────────────────────────────────────────── */

.ons1c-result-card { margin-bottom: 0; }

.ons1c-result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.ons1c-result-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.ons1c-result-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--txt);
  letter-spacing: -.01em;
}

/* ─── Meta grid ────────────────────────────────────────────────────────────── */

.ons1c-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  margin-bottom: 20px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--brd);
  box-shadow: var(--shadow-sm);
}

.ons1c-meta-item {
  padding: 12px 14px;
  border-right: 1px solid var(--brd);
  background: #f7f9fc;
  transition: background .15s;
}

.ons1c-meta-item:last-child { border-right: none; }

.ons1c-meta-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 4px;
  white-space: nowrap;
}

.ons1c-meta-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--txt);
  letter-spacing: -.01em;
}

.ons1c-meta-val.acc { color: var(--blue); }
.ons1c-meta-val.ok  { color: var(--ok); }

/* ─── Chain title ──────────────────────────────────────────────────────────── */

.ons1c-chain-title {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ─── Chain steps ──────────────────────────────────────────────────────────── */

.ons1c-chain { display: flex; flex-direction: column; }

.ons1c-step {
  display: flex;
  align-items: stretch;
  position: relative;
}

.ons1c-step-num {
  width: 30px;
  height: 30px;
  background: var(--blue-light);
  border: 2px solid #c5d8f5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: transform .15s;
}

.ons1c-step:hover .ons1c-step-num {
  transform: scale(1.08);
}

.ons1c-step.final .ons1c-step-num {
  background: var(--yellow);
  border-color: var(--yellow2);
  color: #5a4200;
  box-shadow: 0 2px 8px rgba(245,200,0,.3);
}

.ons1c-step-connector {
  position: absolute;
  left: 14px;
  top: 30px;
  bottom: -1px;
  width: 2px;
  background: linear-gradient(to bottom, #c5d8f5, var(--brd));
}

.ons1c-step:last-child .ons1c-step-connector { display: none; }

.ons1c-step-body {
  flex: 1;
  padding: 3px 0 16px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.ons1c-step-ver {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--txt);
  line-height: 1.2;
  margin-bottom: 2px;
  letter-spacing: -.01em;
}

.ons1c-step.final .ons1c-step-ver { color: var(--blue); }

.ons1c-step-date {
  font-size: 11px;
  color: var(--muted);
}

.ons1c-step-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding-top: 1px;
}

/* ─── Final badge ──────────────────────────────────────────────────────────── */

.ons1c-final-badge {
  font-size: 10px;
  font-weight: 700;
  color: #5a4200;
  background: var(--yellow);
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: .03em;
}

/* ─── Download button ──────────────────────────────────────────────────────── */

.ons1c-dl {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 11px;
  border: 1.5px solid var(--blue);
  color: var(--blue) !important;
  background: transparent;
  border-radius: 7px;
  text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
  letter-spacing: .01em;
}

.ons1c-dl:hover {
  background: var(--blue);
  color: #fff !important;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(26,86,160,.2);
  transform: translateY(-1px);
}

.ons1c-dl:active {
  transform: none;
  box-shadow: none;
}

.ons1c-dl.visited {
  border-color: var(--visited);
  color: var(--visited) !important;
  background: rgba(124,58,237,.06);
}

.ons1c-dl.visited:hover {
  background: var(--visited);
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(124,58,237,.2);
}

/* ─── Already latest ───────────────────────────────────────────────────────── */

.ons1c-latest {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(5,150,105,.05);
  border: 1.5px solid rgba(5,150,105,.18);
  border-radius: 10px;
}

.ons1c-latest .icon { font-size: 20px; line-height: 1; }

.ons1c-latest .msg {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ok);
}

/* ─── Empty state ──────────────────────────────────────────────────────────── */

.ons1c-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  color: var(--muted);
  text-align: center;
  gap: 10px;
}

.ons1c-empty .icon {
  font-size: 36px;
  opacity: .2;
  filter: grayscale(1);
}

.ons1c-empty .txt {
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 220px;
}

/* ─── Error state ──────────────────────────────────────────────────────────── */

.ons1c-error {
  padding: 12px 16px;
  background: rgba(220,38,38,.05);
  border-left: 3px solid var(--err);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--err);
  font-size: 13.5px;
}