:root {
  --bg: #f4f8fc;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --text: #1f3c71;
  --muted: #6d88aa;
  --line: rgba(31, 60, 113, 0.1);
  --primary: #196cec;
  --primary-strong: #34399e;
  --primary-soft: #eef5ff;
  --primary-soft-strong: #9cc0ef;
  --shadow: 0 28px 60px rgba(25, 108, 236, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Outfit", sans-serif;
  background:
    radial-gradient(circle at top, rgba(25, 108, 236, 0.14), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.app-background {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(25, 108, 236, 0.12), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(156, 192, 239, 0.22), transparent 22%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(240, 248, 255, 0.86));
  pointer-events: none;
}

.app-card {
  width: min(100%, 560px);
  min-height: calc(100vh - 36px);
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.brand-lockup {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-logo {
  width: clamp(84px, 22vw, 120px);
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-kicker {
  margin: 0 0 4px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-strong);
  font-weight: 600;
}

.brand-lockup h1 {
  margin: 0;
  font-size: clamp(1.45rem, 5vw, 2rem);
  line-height: 1.05;
}

.progress-panel {
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  border: 1px solid var(--line);
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: var(--muted);
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(156, 192, 239, 0.28);
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary-strong), var(--primary));
  transition: width var(--transition);
}

.screen {
  flex: 1;
  display: flex;
}

.panel {
  width: 100%;
  background: var(--surface-strong);
  border: 1px solid rgba(19, 48, 77, 0.08);
  border-radius: var(--radius-xl);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: panel-in var(--transition);
}

.panel-title {
  margin: 0;
  font-size: clamp(1.35rem, 4.5vw, 1.85rem);
  line-height: 1.12;
}

.panel-subtitle,
.question-scale,
.helper-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.stage-chip {
  align-self: flex-start;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.field-stack,
.question-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.assessment-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 0.95rem;
  font-weight: 600;
}

.text-input,
.text-area {
  width: 100%;
  border: 1px solid rgba(25, 108, 236, 0.16);
  border-radius: 16px;
  padding: 15px 16px;
  background: #fbfdff;
  color: var(--text);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.text-input:focus,
.text-area:focus {
  outline: none;
  border-color: rgba(25, 108, 236, 0.52);
  box-shadow: 0 0 0 4px rgba(25, 108, 236, 0.12);
  background: #ffffff;
}

.text-area {
  min-height: 180px;
  resize: vertical;
}

.meta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-card {
  flex: 1 1 160px;
  min-width: 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f5fbff);
  border: 1px solid rgba(156, 192, 239, 0.36);
}

.meta-label,
.question-context {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.88rem;
}

.meta-value {
  margin: 0;
  font-weight: 600;
}

.question-title {
  margin: 0;
  font-size: clamp(1.35rem, 5vw, 1.95rem);
  line-height: 1.18;
}

.question-card {
  padding: 18px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(156, 192, 239, 0.24), rgba(25, 108, 236, 0.02)),
    #ffffff;
  border: 1px solid rgba(156, 192, 239, 0.34);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assessment-card {
  padding: 18px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(156, 192, 239, 0.18), rgba(25, 108, 236, 0.02)),
    #ffffff;
  border: 1px solid rgba(156, 192, 239, 0.34);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assessment-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.assessment-title {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.35;
}

.bilateral-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.side-card {
  width: 100%;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-label {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-strong);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.scale-extremes {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.scale-button {
  border: 1px solid rgba(156, 192, 239, 0.55);
  background: #ffffff;
  color: var(--text);
  border-radius: 18px;
  min-height: 60px;
  font-weight: 700;
  font-size: 1.1rem;
  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
  padding: 0;
}

.scale-button:hover,
.scale-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(25, 108, 236, 0.4);
}

.scale-button.is-selected {
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 14px 26px rgba(25, 108, 236, 0.24);
}

.selection-badge {
  align-self: flex-start;
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 600;
}

.selection-badge.is-empty {
  color: var(--muted);
}

.nav-bar {
  display: flex;
  gap: 12px;
}

.nav-button {
  border: none;
  border-radius: 18px;
  min-height: 56px;
  flex: 1;
  font-weight: 600;
  transition:
    transform var(--transition),
    opacity var(--transition),
    background-color var(--transition);
}

.nav-button:hover,
.nav-button:focus-visible {
  transform: translateY(-1px);
}

.nav-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.nav-button-primary {
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(25, 108, 236, 0.22);
}

.nav-button-secondary {
  background: #edf3fd;
  color: var(--primary-strong);
}

.completion-card {
  text-align: center;
  justify-content: center;
}

.completion-icon {
  width: 74px;
  height: 74px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
  color: #ffffff;
  font-size: 2rem;
  margin: 0 auto;
  box-shadow: 0 18px 32px rgba(25, 108, 236, 0.2);
}

.completion-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  background: rgba(31, 60, 113, 0.94);
  color: #ffffff;
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition),
    transform var(--transition);
  z-index: 5;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 720px) {
  .app-shell {
    padding: 32px;
  }

  .app-card {
    min-height: min(900px, calc(100vh - 64px));
    padding: 26px 24px 24px;
    gap: 22px;
  }

  .brand-lockup {
    gap: 18px;
  }

  .panel {
    padding: 28px 24px;
  }

  .assessment-list {
    gap: 16px;
  }

  .scale-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 390px) {
  .panel {
    padding: 18px 14px;
  }

  .assessment-card {
    padding: 16px 14px;
  }

  .scale-button {
    min-height: 54px;
    font-size: 1rem;
  }
}

@media (max-width: 360px) {
  .brand-lockup {
    gap: 12px;
  }

  .scale-button {
    min-height: 50px;
    font-size: 0.92rem;
  }
}

@media (max-width: 320px) {
  .app-shell {
    padding: 14px;
  }

  .app-card {
    padding: 18px 14px 14px;
  }

  .panel {
    padding: 16px 12px;
  }

  .assessment-card {
    padding: 14px 12px;
  }

  .bilateral-grid {
    gap: 18px;
  }

  .side-label {
    font-size: 0.82rem;
  }

  .scale-button {
    min-height: 46px;
    font-size: 0.86rem;
  }
}