*, *::before, *::after { box-sizing: border-box; }
 
.tca__root {
  --tca-bg: rgba(255,255,255,0.55);
  --tca-glass: rgba(255,255,255,0.45);
  --tca-glass-border: rgba(255,255,255,0.7);
  --tca-glass-shadow: 0 8px 32px rgba(60,80,120,0.13), 0 1.5px 4px rgba(60,80,120,0.07);
  --tca-blur: blur(18px);
  --tca-radius: 20px;
  --tca-font: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --tca-accent: #3478f6;
  --tca-accent2: #30c48d;
  --tca-text: #1c2333;
  --tca-muted: #6b7a99;
  --tca-danger: #ff3b2f;
  --tca-bg-page: linear-gradient(135deg, #e8f0fe 0%, #f0f4ff 40%, #e3f2fb 70%, #f5f0ff 100%);
  font-family: var(--tca-font);
  color: var(--tca-text);
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 12px 48px;
  background: var(--tca-bg-page);
  border-radius: 28px;
}
 
/* HERO HEADER */
.tca__hero {
  text-align: center;
  padding: 48px 24px 36px;
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.tca__hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(52,120,246,0.13) 0%, transparent 70%);
  pointer-events: none;
}
.tca__hero::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(48,196,141,0.11) 0%, transparent 70%);
  pointer-events: none;
}
.tca__hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(52,120,246,0.10);
  border: 1px solid rgba(52,120,246,0.22);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--tca-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.tca__hero-badge span { font-size: 14px; }
.tca__hero h1 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.18;
  margin: 0 0 14px;
  background: linear-gradient(120deg, #1a2a5e 0%, #3478f6 55%, #30c48d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.tca__hero p {
  font-size: 15.5px;
  color: var(--tca-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
  font-weight: 400;
}
 
/* MAIN CARD */
.tca__card {
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  padding: 28px;
  margin-bottom: 20px;
}
 
/* TABS */
.tca__tabs {
  display: flex;
  gap: 6px;
  background: rgba(0,0,0,0.05);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
}
.tca__tab {
  flex: 1;
  padding: 9px 16px;
  border: none;
  background: transparent;
  border-radius: 9px;
  font-family: var(--tca-font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--tca-muted);
  cursor: pointer;
  transition: all 0.22s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.tca__tab:hover { color: var(--tca-text); background: rgba(255,255,255,0.5); }
.tca__tab.tca--active {
  background: rgba(255,255,255,0.85);
  color: var(--tca-text);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(60,80,120,0.1);
}
.tca__tab-icon { font-size: 15px; }
 
/* TEXTAREA */
.tca__textarea-wrap { position: relative; }
.tca__textarea {
  width: 100%;
  min-height: 200px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(200,210,230,0.7);
  border-radius: 14px;
  font-family: var(--tca-font);
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--tca-text);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}
.tca__textarea:focus {
  border-color: rgba(52,120,246,0.55);
  box-shadow: 0 0 0 3px rgba(52,120,246,0.10);
  background: rgba(255,255,255,0.8);
}
.tca__textarea::placeholder { color: rgba(107,122,153,0.6); }
.tca__char-count {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 11.5px;
  color: var(--tca-muted);
  font-weight: 500;
  pointer-events: none;
  transition: color 0.2s;
}
.tca__char-count.tca--warn { color: #ff9500; }
.tca__char-count.tca--over { color: var(--tca-danger); }
 
/* FILE UPLOAD PANEL */
.tca__upload-panel { display: none; }
.tca__upload-panel.tca--visible { display: block; }
.tca__dropzone {
  border: 2px dashed rgba(52,120,246,0.28);
  border-radius: 14px;
  padding: 44px 24px;
  text-align: center;
  background: rgba(52,120,246,0.03);
  cursor: pointer;
  transition: all 0.22s;
  position: relative;
}
.tca__dropzone:hover, .tca__dropzone.tca--drag {
  border-color: rgba(52,120,246,0.6);
  background: rgba(52,120,246,0.07);
}
.tca__dropzone-icon { font-size: 36px; display: block; margin-bottom: 10px; }
.tca__dropzone p {
  font-size: 14px;
  color: var(--tca-muted);
  margin: 0 0 12px;
  line-height: 1.5;
}
.tca__dropzone strong { color: var(--tca-accent); }
.tca__file-input { display: none; }
.tca__file-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  background: rgba(52,120,246,0.10);
  border: 1.5px solid rgba(52,120,246,0.25);
  border-radius: 10px;
  color: var(--tca-accent);
  font-family: var(--tca-font);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.tca__file-btn:hover {
  background: rgba(52,120,246,0.18);
  border-color: rgba(52,120,246,0.45);
}
.tca__file-chosen {
  margin-top: 14px;
  font-size: 13px;
  color: var(--tca-muted);
  display: none;
}
.tca__file-chosen.tca--visible {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}
 
/* LANGUAGE SELECT + ANALYZE BTN ROW */
.tca__controls-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.tca__select-wrap { position: relative; flex: 1; min-width: 140px; }
.tca__select {
  width: 100%;
  padding: 10px 36px 10px 14px;
  background: rgba(255,255,255,0.65);
  border: 1.5px solid rgba(200,210,230,0.7);
  border-radius: 11px;
  font-family: var(--tca-font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--tca-text);
  appearance: none;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}
.tca__select:focus { border-color: rgba(52,120,246,0.5); }
.tca__select optgroup {
  font-size: 11px;
  font-weight: 700;
  color: rgba(107,122,153,0.8);
  background: #f0f4ff;
  letter-spacing: 0.03em;
}
.tca__select option {
  font-size: 13.5px;
  font-weight: 500;
  color: #1c2333;
  background: #fff;
  padding: 4px 0;
}
.tca__select-arrow {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 11px;
  color: var(--tca-muted);
}
.tca__analyze-btn {
  flex: 2;
  min-width: 180px;
  padding: 11px 28px;
  background: linear-gradient(135deg, #3478f6 0%, #5e9bff 100%);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-family: var(--tca-font);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(52,120,246,0.3);
  letter-spacing: 0.01em;
}
.tca__analyze-btn:hover:not(:disabled) {
  transform: translateY(-1.5px);
  box-shadow: 0 7px 20px rgba(52,120,246,0.38);
}
.tca__analyze-btn:active:not(:disabled) { transform: translateY(0); }
.tca__analyze-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}
.tca__btn-spinner {
  width: 16px; height: 16px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: tca-spin 0.7s linear infinite;
  display: none;
}
@keyframes tca-spin { to { transform: rotate(360deg); } }
 
/* RESULT PANEL */
.tca__result {
  display: none;
  animation: tca-fadein 0.45s ease forwards;
}
.tca__result.tca--visible { display: block; }
@keyframes tca-fadein {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
 
.tca__result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 12px;
  flex-wrap: wrap;
}
.tca__result-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--tca-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tca__score-badge {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(120deg, #1a2a5e, #3478f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
 
/* SLIDER */
.tca__slider-track {
  position: relative;
  height: 14px;
  background: linear-gradient(to right,
    #30c48d 0%,
    #a8e063 25%,
    #ffe04b 50%,
    #ff9500 72%,
    #ff3b2f 100%
  );
  border-radius: 100px;
  margin-bottom: 8px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.08);
  overflow: visible;
}
.tca__slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 26px;
  height: 26px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.20), 0 0 0 3px rgba(255,255,255,0.9);
  transition: left 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}
.tca__slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--tca-muted);
  font-weight: 500;
  margin-bottom: 20px;
  padding: 0 2px;
}
 
/* METRICS CHIPS */
.tca__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 22px;
}
.tca__metric-chip {
  background: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(200,210,230,0.6);
  border-radius: 10px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tca__metric-chip span:first-child { font-size: 14px; }
.tca__metric-label { color: var(--tca-muted); font-weight: 400; }
 
/* VERDICT */
.tca__verdict {
  background: rgba(255,255,255,0.5);
  border: 1.5px solid rgba(200,210,230,0.55);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--tca-text);
  border-left: 4px solid var(--tca-accent);
}
.tca__verdict-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--tca-accent);
  margin-bottom: 8px;
}
 
/* PRICE ESTIMATE */
.tca__price-block {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.tca__price-card {
  flex: 1;
  min-width: 130px;
  background: rgba(255,255,255,0.55);
  border: 1.5px solid rgba(200,210,230,0.55);
  border-radius: 14px;
  padding: 16px 18px;
  text-align: center;
}
.tca__price-card-label {
  font-size: 11.5px;
  color: var(--tca-muted);
  font-weight: 500;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tca__price-card-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--tca-text);
  letter-spacing: -0.02em;
}
.tca__price-card-sub { font-size: 11px; color: var(--tca-muted); margin-top: 3px; }
 
/* ERROR */
.tca__error {
  display: none;
  background: rgba(255,59,47,0.07);
  border: 1.5px solid rgba(255,59,47,0.2);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 13.5px;
  color: #c0392b;
  margin-top: 14px;
}
.tca__error.tca--visible { display: block; }
 
/* ORDER BUTTON */
.tca__order-btn {
  width: 100%;
  padding: 14px 28px;
  background: linear-gradient(135deg, #30c48d 0%, #1ead7a 100%);
  border: none;
  border-radius: 14px;
  color: #fff;
  font-family: var(--tca-font);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.01em;
  box-shadow: 0 5px 18px rgba(48,196,141,0.32);
  transition: all 0.22s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.tca__order-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(48,196,141,0.4);
}
 
/* SHARE BLOCK */
.tca__share {
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  padding: 24px 28px;
  margin-bottom: 20px;
  text-align: center;
}
.tca__share-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--tca-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 16px;
}
.tca__share-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.tca__share-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: 1.5px solid rgba(200,210,230,0.6);
  border-radius: 11px;
  background: rgba(255,255,255,0.5);
  font-family: var(--tca-font);
  font-size: 13px;
  font-weight: 600;
  color: var(--tca-text);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.tca__share-btn:hover {
  background: rgba(255,255,255,0.85);
  border-color: rgba(52,120,246,0.3);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(60,80,120,0.1);
}
.tca__share-btn--copy.tca--copied { color: #30c48d; border-color: rgba(48,196,141,0.4); }
 
/* INFO BLOCKS */
.tca__info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.tca__info-card {
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  padding: 26px 24px;
  transition: transform 0.22s, box-shadow 0.22s;
}
.tca__info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(60,80,120,0.14);
}
.tca__info-icon {
  font-size: 32px;
  margin-bottom: 14px;
  display: block;
}
.tca__info-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px;
  line-height: 1.3;
  color: var(--tca-text);
}
.tca__info-card p {
  font-size: 13.5px;
  color: var(--tca-muted);
  line-height: 1.65;
  margin: 0;
}
 
/* HOW IT WORKS */
.tca__howto {
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  padding: 32px 28px;
  margin-bottom: 20px;
}
.tca__howto h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--tca-text);
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.tca__steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tca__step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.tca__step-num {
  width: 34px;
  height: 34px;
  min-width: 34px;
  background: linear-gradient(135deg, #3478f6, #5e9bff);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(52,120,246,0.28);
}
.tca__step-content h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--tca-text);
}
.tca__step-content p {
  font-size: 13.5px;
  color: var(--tca-muted);
  margin: 0;
  line-height: 1.6;
}
 
/* FACTORS TABLE */
.tca__factors {
  background: var(--tca-glass);
  backdrop-filter: var(--tca-blur);
  -webkit-backdrop-filter: var(--tca-blur);
  border: 1.5px solid var(--tca-glass-border);
  border-radius: var(--tca-radius);
  box-shadow: var(--tca-glass-shadow);
  padding: 28px;
  margin-bottom: 20px;
  overflow: hidden;
}
.tca__factors h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--tca-text);
  letter-spacing: -0.02em;
}
.tca__factor-row {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(200,210,230,0.4);
  gap: 12px;
}
.tca__factor-row:last-child { border-bottom: none; }
.tca__factor-icon { font-size: 20px; width: 28px; text-align: center; flex-shrink: 0; }
.tca__factor-name { font-size: 13.5px; font-weight: 600; color: var(--tca-text); flex: 1; }
.tca__factor-desc { font-size: 12.5px; color: var(--tca-muted); flex: 2; }
.tca__factor-impact {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  flex-shrink: 0;
}
.tca__factor-impact--high { background: rgba(255,59,47,0.1); color: #d0341e; }
.tca__factor-impact--mid  { background: rgba(255,149,0,0.1); color: #c47800; }
.tca__factor-impact--low  { background: rgba(48,196,141,0.1); color: #1a9166; }
 
/* RESPONSIVE */
@media (max-width: 620px) {
  .tca__root { padding: 12px 6px 36px; border-radius: 20px; }
  .tca__hero  { padding: 32px 18px 26px; }
  .tca__card, .tca__howto, .tca__factors, .tca__share { padding: 20px 16px; }
  .tca__controls-row { flex-direction: column; }
  .tca__analyze-btn, .tca__select-wrap { width: 100%; min-width: 0; flex: none; }
  .tca__factor-desc { display: none; }
  .tca__price-block { gap: 8px; }
}
.tca__anim-card {
  position: relative;
  overflow: hidden;
}

.tca__anim-header {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

/* строки текста */
.tca__anim-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.tca__line {
  height: 6px;
  border-radius: 6px;
  background: linear-gradient(90deg, #dbe6ff, #f0f4ff);
  position: relative;
  overflow: hidden;
}

.tca__line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(52,120,246,0.4), transparent);
  animation: tcaScan 2.4s infinite;
}

@keyframes tcaScan {
  0% { left: -40%; }
  100% { left: 120%; }
}

/* прогресс */
.tca__anim-progress {
  height: 6px;
  background: rgba(200,210,230,0.5);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 10px;
}

.tca__anim-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3478f6, #30c48d);
  animation: tcaProgress 3s ease-in-out infinite;
}

@keyframes tcaProgress {
  0% { width: 10%; }
  50% { width: 80%; }
  100% { width: 30%; }
}

.tca__anim-score {
  font-size: 12px;
  color: var(--tca-muted);
}
.tca__price-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 16px 0;
}

.tca__circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3478f6, #5e9bff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  animation: tcaPulse 2.5s infinite;
}

@keyframes tcaPulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.tca__arrow {
  font-size: 18px;
  color: var(--tca-muted);
  animation: tcaMove 1.8s infinite;
}

@keyframes tcaMove {
  0% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(6px); opacity: 1; }
  100% { transform: translateX(0); opacity: 0.5; }
}

.tca__price {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(120deg, #30c48d, #1ead7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tca__price-caption {
  font-size: 12px;
  color: var(--tca-muted);
}