/* BenefitsON - Goodwill Protection Checker v1.0 */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #17191c;
  --muted: #69707a;
  --border: #e5e7eb;
  --primary: #1769ff;
  --primary-dark: #0f55d9;
  --success: #16834b;
  --warning: #8f5900;
  --danger: #c53b3b;
  --info: #2468a8;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Noto Sans KR",
    sans-serif;
  line-height: 1.6;
}

button {
  font: inherit;
}

button:focus-visible {
  outline: 3px solid rgba(23, 105, 255, 0.3);
  outline-offset: 3px;
}

.hidden {
  display: none !important;
}

.screen {
  min-height: calc(100vh - 70px);
}

.container {
  width: min(100% - 32px, 640px);
  margin: 0 auto;
}


/* ========================================
   Start Screen
======================================== */

#start-screen {
  display: flex;
  align-items: center;
  padding: 48px 0;
}

#start-screen .container {
  text-align: center;
}

.brand {
  margin-bottom: 18px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tool-badge {
  display: inline-block;
  margin-bottom: 22px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
}

#start-title {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.2rem);
  line-height: 1.25;
  letter-spacing: -0.05em;
}

#start-title strong {
  color: var(--primary);
}

.intro {
  margin: 24px 0 30px;
  color: var(--muted);
  font-size: 1rem;
}

.info-card {
  display: grid;
  gap: 12px;
  margin: 0 auto 28px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: left;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #eaf6ef;
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 800;
}

.notice {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}


/* ========================================
   Buttons
======================================== */

.primary-button,
.secondary-button {
  min-height: 52px;
  border-radius: 12px;
  padding: 0 20px;
  cursor: pointer;
  font-weight: 700;
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    opacity 0.15s ease;
}

.primary-button {
  width: 100%;
  border: 0;
  background: var(--primary);
  color: #fff;
}

.primary-button:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.secondary-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.secondary-button:hover {
  background: #f1f3f5;
}

.full-width {
  width: 100%;
}


/* ========================================
   Question Screen
======================================== */

#question-screen {
  padding: 28px 0 48px;
}

.progress-area {
  margin-bottom: 28px;
}

.progress-text {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.progress-track {
  width: 100%;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7e9ed;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 0.25s ease;
}

.question-card {
  padding: 26px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.question-step {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.question-title {
  margin: 0;
  font-size: clamp(1.35rem, 5vw, 1.8rem);
  line-height: 1.4;
  letter-spacing: -0.03em;
}

.question-help {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.question-options {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.option {
  position: relative;
}

.option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.option label {
  display: block;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}

.option label:hover {
  border-color: #b9c0ca;
  background: #fafbfc;
}

.option input:checked + label {
  border-color: var(--primary);
  background: #f0f5ff;
}

.option input:focus-visible + label {
  outline: 3px solid rgba(23, 105, 255, 0.2);
  outline-offset: 2px;
}

.option-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.option-marker {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid #c9ced6;
  border-radius: 50%;
}

.option input:checked + label .option-marker {
  border: 6px solid var(--primary);
}

.option-text {
  font-size: 0.95rem;
  font-weight: 600;
}

.navigation {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 10px;
  margin-top: 16px;
}


/* ========================================
   Result Screen
======================================== */

#result-screen {
  padding: 28px 0 48px;
}

.result-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.result-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin: 28px auto 14px;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 800;
}

.result-level {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.result-title {
  margin: 8px 20px 0;
  text-align: center;
  font-size: clamp(1.4rem, 5vw, 2rem);
  line-height: 1.4;
  letter-spacing: -0.04em;
}

.result-summary {
  margin: 14px 20px 28px;
  color: var(--muted);
  text-align: center;
}

.result-section {
  padding: 22px 20px;
  border-top: 1px solid var(--border);
}

.result-section h2 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.result-facts {
  display: grid;
  gap: 10px;
}

.fact {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid #f0f1f3;
  font-size: 0.9rem;
}

.fact:last-child {
  border-bottom: 0;
}

.fact-label {
  color: var(--muted);
}

.fact-value {
  text-align: right;
  font-weight: 700;
}

.result-list {
  margin: 0;
  padding-left: 20px;
}

.result-list li {
  margin-bottom: 9px;
}

.law-reference {
  padding: 12px 14px;
  border-radius: 10px;
  background: #f7f8fa;
  font-size: 0.9rem;
}

.law-reference + .law-reference {
  margin-top: 8px;
}

.disclaimer {
  padding: 18px 20px;
  background: #f8f9fb;
  color: var(--muted);
  font-size: 0.75rem;
}

.disclaimer p {
  margin: 0;
}

#restart-button {
  margin-top: 14px;
}


/* ========================================
   Result States
======================================== */

.result-success .result-icon {
  background: #eaf6ef;
  color: var(--success);
}

.result-success .result-level {
  color: var(--success);
}

.result-warning .result-icon {
  background: #fff5df;
  color: var(--warning);
}

.result-warning .result-level {
  color: var(--warning);
}

.result-error .result-icon {
  background: #fdecec;
  color: var(--danger);
}

.result-error .result-level {
  color: var(--danger);
}

.result-info .result-icon {
  background: #eaf3fb;
  color: var(--info);
}

.result-info .result-level {
  color: var(--info);
}


/* ========================================
   Error Screen
======================================== */

#error-screen {
  display: flex;
  align-items: center;
  padding: 48px 0;
}

.error-card {
  padding: 32px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.error-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #fdecec;
  color: var(--danger);
  font-size: 1.5rem;
  font-weight: 800;
}

.error-card h2 {
  margin: 0;
  font-size: 1.3rem;
}

.error-card p {
  margin: 10px 0 22px;
  color: var(--muted);
}


/* ========================================
   Footer
======================================== */

.site-footer {
  min-height: 70px;
  padding: 20px 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  font-size: 0.75rem;
}


/* ========================================
   Desktop
======================================== */

@media (min-width: 768px) {

  .container {
    width: min(100% - 48px, 680px);
  }

  #start-screen {
    min-height: calc(100vh - 70px);
  }

  .question-card {
    padding: 36px;
  }

  .result-section {
    padding: 24px 32px;
  }

  .result-summary {
    margin-left: 32px;
    margin-right: 32px;
  }

  .result-title {
    margin-left: 32px;
    margin-right: 32px;
  }

}