*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #e2e2e2;
  --text: #1a1a1a;
  --muted: #6b7280;
  --accent: #4a84c4;
  --accent-light: #eaf2fb;
  --radius: 8px;
  --font: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

#app {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 16px 120px;
}

/* ── Progress / App header ── */
#progress-header {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px 10px;
  margin: 0 -16px 28px;
  z-index: 100;
}

.app-brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.app-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.step-label {
  font-size: 12px;
  color: var(--muted);
}

.progress-wrap {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.35s ease;
  width: 0%;
}

/* ── Step card ── */
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 32px 24px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-desc {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  line-height: 1.55;
}

/* ── Section labels ── */
.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 22px 0 14px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--accent-light);
  text-transform: uppercase;
}

/* ── Slider ── */
.slider-wrap { margin-bottom: 28px; }

/* числа над слайдером — кружки */
.slider-ticks {
  position: relative;
  height: 32px;
  margin-bottom: 4px;
}

.slider-ticks span {
  position: absolute;
  bottom: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: #fafafa;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all 0.12s;
}

.slider-ticks span:hover:not(.tick-active) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.slider-ticks span.tick-active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(74,132,196,.35);
}

input[type="range"] {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  cursor: pointer;
}

/* подписи под слайдером */
.slider-labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
}

.slider-label {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
  flex: 1;
  text-align: center;
}
.slider-label:first-child { text-align: left; }
.slider-label:last-child  { text-align: right; }

/* ── Radio groups ── */
.question-group { margin-bottom: 24px; }

.question-text {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 12px;
}

.radio-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-flow: column;
  grid-template-rows: auto auto;
  gap: 8px;
}

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
  background: #fff;
  transition: background 0.12s, border-color 0.12s;
  user-select: none;
}
.radio-option:hover { background: var(--accent-light); border-color: var(--accent); }
.radio-option input[type="radio"] { margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); }
.radio-option.selected { background: var(--accent-light); border-color: var(--accent); }

/* ── Yes/No ── */
.yesno-wrap { margin-bottom: 18px; }

.yesno-question { font-size: 14px; margin-bottom: 8px; }

.yesno-buttons { display: flex; gap: 8px; }

.yesno-btn {
  padding: 6px 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.12s;
  font-family: var(--font);
}
.yesno-btn:hover { background: var(--accent-light); border-color: var(--accent); }
.yesno-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Frequency input ── */
.frequency-wrap { margin-bottom: 18px; }

.frequency-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }

.frequency-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.frequency-inputs input[type="number"] {
  width: 68px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  text-align: center;
  font-family: var(--font);
}

.frequency-inputs select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: #fff;
  cursor: pointer;
  font-family: var(--font);
}

.frequency-inputs span { font-size: 14px; color: var(--muted); }

/* ── Checkboxes ── */
.checkbox-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
  background: #fff;
  transition: background 0.12s;
  user-select: none;
}
.checkbox-option:hover { background: var(--accent-light); }
.checkbox-option input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); }

/* ── Text inputs ── */
.field-label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input.text-input,
input.number-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  margin-bottom: 18px;
  background: #fff;
}

textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  margin-bottom: 18px;
  min-height: 80px;
  resize: vertical;
  background: #fff;
}

input.text-input:focus,
input.number-input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-light);
}

/* ── Navigation footer ── */
#nav-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.btn {
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.12s;
  font-family: var(--font);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3a70ae; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--accent-light); }
.btn:disabled { opacity: 0.38; cursor: not-allowed; }

.btn-import {
  background: none;
  color: var(--muted);
  border: 1px dashed var(--border);
  font-size: 12px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 6px;
  font-family: var(--font);
  font-weight: 500;
  transition: all 0.12s;
}
.btn-import:hover { border-color: var(--accent); color: var(--accent); }

/* ── Step 11 ── */
.summary-intro {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 28px;
}

.ranking-list { list-style: none; }

.ranking-item,
.custom-need-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.ranking-item input[type="number"],
.custom-need-row input[type="number"] {
  width: 54px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  text-align: center;
  font-family: var(--font);
  flex-shrink: 0;
}

.custom-need-row input[type="text"] {
  flex: 1;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
}

/* ── Export buttons ── */
.export-buttons {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn-export {
  padding: 11px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  font-family: var(--font);
  border: 1px solid var(--accent);
}
.btn-pdf { background: #fff; color: var(--accent); }
.btn-pdf:hover { background: var(--accent-light); }
.btn-csv { background: var(--accent); color: #fff; }
.btn-csv:hover { background: #3a70ae; }

/* ── Mobile ── */
@media (max-width: 560px) {
  .step-card { padding: 20px 16px; }
  .radio-options { grid-template-columns: 1fr; }
  #nav-footer { padding: 12px 16px; }
  .btn { padding: 10px 18px; font-size: 14px; }
  .export-buttons { flex-direction: column; }
}

/* ── Print ── */
@media print {
  .print-hide,
  #progress-header,
  #nav-footer { display: none !important; }

  body { background: #fff; }
  #app { max-width: 100%; padding: 0; }

  .step-card {
    border: none;
    box-shadow: none;
    padding: 0;
    margin-bottom: 0;
    page-break-after: always;
  }
  .step-card:last-child { page-break-after: auto; }
}