/* Decision Maker - Universal Design (Redesigned) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+Tamil:wght@400;500;600;700&display=swap');

:root {
  /* Modern Slate Theme */
  --bg: #020617;        /* Slate 950 */
  --surface: #0f172a;   /* Slate 900 */
  --surface-highlight: #1e293b; /* Slate 800 */
  --border: #334155;    /* Slate 700 */
  
  --primary: #10b981;   /* Emerald 500 */
  --primary-glow: rgba(16, 185, 129, 0.15);
  --warn: #f59e0b;      /* Amber 500 */
  --danger: #ef4444;    /* Red 500 */
  
  --text-main: #f1f5f9; /* Slate 100 */
  --text-muted: #94a3b8; /* Slate 400 */
  --text-dim: #64748b;   /* Slate 500 */
  
  --radius-lg: 1rem;
  --radius-md: 0.75rem;
  --radius-sm: 0.5rem;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-tamil: 'Noto Sans Tamil', sans-serif;
  
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  min-height: 100dvh;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* Tamil font support */
html[lang="ta"] body {
  font-family: var(--font-tamil);
}

/* App Shell */
.app {
  width: 100%;
  max-width: 800px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Header Redesign */
header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.logo {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--primary), #059669);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 0 15px var(--primary-glow);
}

.header-text {
  min-width: 0;
}

.header-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  /* Removed truncation for better wrapping */
}

.header-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  line-height: 1.4;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-highlight);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: grid;
  place-items: center;
}

.lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.help-btn {
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.help-btn:hover {
  background: var(--surface-highlight);
  color: var(--text-main);
}

/* Info Panel */
.info-panel {
  background: var(--surface-highlight);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.info-panel.show { display: block; }
.info-panel strong { color: var(--text-main); font-weight: 600; }

/* Main Content */
main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Factors Grid */
.factors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

/* Factor Card */
.factor {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.factor:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.factor-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.factor-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

.factor-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-glow);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.factor-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.factor-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: auto; /* Push to bottom of flex container if needed */
  padding-bottom: 0.25rem;
}

/* Choice Buttons - Segmented Control Style */
.choices {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.25rem;
  background: var(--surface-highlight);
  padding: 0.25rem;
  border-radius: var(--radius-md);
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.choice label:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.choice input:checked + label {
  background: var(--primary);
  color: #020617;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.choice input:focus-visible + label {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Result Card */
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--warn), var(--danger));
  opacity: 0.5;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.score-circle {
  width: 72px;
  height: 72px;
  position: relative;
  flex-shrink: 0;
}

.score-circle svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.score-circle circle {
  fill: none;
  stroke-width: 6;
}

.score-circle .bg { stroke: var(--surface-highlight); }

.score-circle .fill {
  stroke: var(--primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s ease;
}

.score-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.score-value span {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.score-value small {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 2px;
}

.result-main {
  flex: 1;
}

.result-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.result-badge.small {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.result-badge.medium {
  color: var(--warn);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.result-badge.important {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.result-advice {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.result-action {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-main);
  display: flex;
  gap: 0.5rem;
}

.result-action strong {
  color: var(--primary);
}

/* Legend */
.legend {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.s { background: var(--primary); box-shadow: 0 0 8px var(--primary); }
.legend-dot.m { background: var(--warn); }
.legend-dot.i { background: var(--danger); }

/* Footer */
footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 1rem 0;
  opacity: 0.7;
}

/* Responsive Breakpoints */

/* Mobile Layout Adjustments */
@media (max-width: 550px) {
  header {
    grid-template-columns: 1fr auto;
    grid-template-areas: 
      "logo actions"
      "text text";
    gap: 0.75rem;
  }
  
  .logo { grid-area: logo; }
  .header-actions { grid-area: actions; justify-self: end; }
  .header-text { grid-area: text; }
  
  .factors {
    grid-template-columns: 1fr; /* Stack cards on mobile */
  }
  
  .result-header {
    flex-direction: column;
    text-align: center;
  }
  
  .result-action {
    flex-direction: column;
    text-align: center;
  }
  
  .legend {
    justify-content: center;
  }
}

/* Tiny Screens */
@media (max-width: 350px) {
  body { padding: 0.5rem; }
  .app { gap: 1rem; }
  
  .header-text h1 { font-size: 1.1rem; }
  .choice label { font-size: 0.8rem; padding: 0.4rem 0; }
}

/* Large Screens */
@media (min-width: 1200px) {
  .app { max-width: 1000px; }
  .factors { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1600px) {
  html { font-size: 18px; }
  .app { max-width: 1200px; }
}