/* =========================================================
   TOKENS — Signal / dark futuristic
   ========================================================= */
:root {
  --void:       #05070A;
  --void-deep:  #000103;
  --panel:      rgba(16, 20, 26, 0.72);
  --panel-soft: rgba(20, 25, 32, 0.55);
  --line:       rgba(255, 255, 255, 0.09);
  --line-bright: rgba(94, 234, 212, 0.35);

  --ink:        #E9EEF2;
  --ink-soft:   #8C99A6;
  --ink-faint:  #59636D;

  --cyan:       #5EEAD4;
  --cyan-deep:  #14B8A6;
  --cyan-tint:  rgba(94, 234, 212, 0.10);
  --violet:     #8B7CF6;

  --amber:      #F5B942;
  --coral:      #FF6B62;
  --sage:       #5EEAD4;

  --font-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'SFMono-Regular', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 20px 44px -16px rgba(0,0,0,0.65);
  --shadow-lift: 0 2px 4px rgba(0,0,0,0.5), 0 24px 60px -14px rgba(20,184,166,0.28);
  --glow-cyan: 0 0 0 1px rgba(94,234,212,0.15), 0 0 24px rgba(94,234,212,0.10);
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 82% -8%, rgba(94,234,212,0.07) 0%, transparent 60%),
    radial-gradient(700px 420px at 10% 15%, rgba(139,124,246,0.05) 0%, transparent 55%),
    var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  position: relative;
  min-height: 100vh;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   STARFIELD — tiny glowing dots, ambient depth
   ========================================================= */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.stars {
  position: absolute;
  inset: -10% -10%;
  background-repeat: repeat;
}

.stars-small {
  background-image:
    radial-gradient(0.51px 0.51px at 163px 28px, rgba(255,255,255,0.61), transparent),
    radial-gradient(0.87px 0.87px at 57px 35px, rgba(255,255,255,0.77), transparent),
    radial-gradient(0.8px 0.8px at 139px 22px, rgba(255,255,255,0.51), transparent),
    radial-gradient(0.62px 0.62px at 23px 55px, rgba(255,255,255,0.74), transparent),
    radial-gradient(0.86px 0.86px at 143px 50px, rgba(255,255,255,0.78), transparent),
    radial-gradient(0.72px 0.72px at 107px 56px, rgba(255,255,255,0.61), transparent),
    radial-gradient(0.9px 0.9px at 1px 194px, rgba(255,255,255,0.78), transparent),
    radial-gradient(0.58px 0.58px at 87px 71px, rgba(255,255,255,0.88), transparent),
    radial-gradient(0.55px 0.55px at 86px 26px, rgba(255,255,255,0.54), transparent),
    radial-gradient(0.8px 0.8px at 216px 88px, rgba(255,255,255,0.82), transparent),
    radial-gradient(0.77px 0.77px at 186px 117px, rgba(255,255,255,0.89), transparent),
    radial-gradient(0.78px 0.78px at 96px 20px, rgba(255,255,255,0.83), transparent),
    radial-gradient(0.68px 0.68px at 158px 220px, rgba(255,255,255,0.58), transparent),
    radial-gradient(0.83px 0.83px at 17px 11px, rgba(255,255,255,0.81), transparent),
    radial-gradient(0.62px 0.62px at 20px 218px, rgba(255,255,255,0.54), transparent),
    radial-gradient(0.82px 0.82px at 71px 116px, rgba(255,255,255,0.65), transparent),
    radial-gradient(0.6px 0.6px at 94px 90px, rgba(255,255,255,0.61), transparent),
    radial-gradient(0.54px 0.54px at 174px 165px, rgba(255,255,255,0.75), transparent),
    radial-gradient(0.62px 0.62px at 136px 186px, rgba(255,255,255,0.68), transparent),
    radial-gradient(0.84px 0.84px at 69px 163px, rgba(255,255,255,0.59), transparent),
    radial-gradient(0.88px 0.88px at 83px 215px, rgba(255,255,255,0.52), transparent),
    radial-gradient(0.9px 0.9px at 210px 8px, rgba(255,255,255,0.66), transparent),
    radial-gradient(0.96px 0.96px at 16px 54px, rgba(255,255,255,0.73), transparent),
    radial-gradient(0.61px 0.61px at 183px 80px, rgba(255,255,255,0.7), transparent),
    radial-gradient(0.57px 0.57px at 164px 117px, rgba(255,255,255,0.56), transparent),
    radial-gradient(0.77px 0.77px at 190px 143px, rgba(255,255,255,0.8), transparent),
    radial-gradient(0.7px 0.7px at 109px 149px, rgba(255,255,255,0.59), transparent),
    radial-gradient(0.75px 0.75px at 35px 130px, rgba(255,255,255,0.8), transparent),
    radial-gradient(0.58px 0.58px at 220px 28px, rgba(255,255,255,0.56), transparent),
    radial-gradient(0.8px 0.8px at 174px 108px, rgba(255,255,255,0.65), transparent),
    radial-gradient(0.76px 0.76px at 152px 119px, rgba(255,255,255,0.89), transparent),
    radial-gradient(0.84px 0.84px at 220px 2px, rgba(255,255,255,0.55), transparent),
    radial-gradient(0.63px 0.63px at 137px 192px, rgba(255,255,255,0.76), transparent),
    radial-gradient(0.72px 0.72px at 28px 75px, rgba(255,255,255,0.68), transparent),
    radial-gradient(0.63px 0.63px at 184px 184px, rgba(255,255,255,0.7), transparent),
    radial-gradient(0.96px 0.96px at 45px 129px, rgba(255,255,255,0.85), transparent),
    radial-gradient(0.82px 0.82px at 76px 215px, rgba(255,255,255,0.74), transparent),
    radial-gradient(0.88px 0.88px at 39px 95px, rgba(255,255,255,0.72), transparent),
    radial-gradient(0.96px 0.96px at 199px 135px, rgba(255,255,255,0.74), transparent),
    radial-gradient(0.56px 0.56px at 125px 4px, rgba(255,255,255,0.65), transparent),
    radial-gradient(0.65px 0.65px at 212px 206px, rgba(255,255,255,0.52), transparent),
    radial-gradient(0.54px 0.54px at 145px 20px, rgba(255,255,255,0.69), transparent),
    radial-gradient(0.77px 0.77px at 17px 194px, rgba(255,255,255,0.55), transparent),
    radial-gradient(0.97px 0.97px at 168px 121px, rgba(255,255,255,0.57), transparent),
    radial-gradient(0.71px 0.71px at 135px 155px, rgba(255,255,255,0.58), transparent);
  background-size: 230px 230px;
  animation: twinkle-a 7s ease-in-out infinite;
}

.stars-medium {
  background-image:
    radial-gradient(1.24px 1.24px at 102px 159px, rgba(255,255,255,0.87), transparent),
    radial-gradient(1.54px 1.54px at 191px 224px, rgba(255,255,255,0.78), transparent),
    radial-gradient(1.04px 1.04px at 126px 115px, rgba(255,255,255,0.61), transparent),
    radial-gradient(1.0px 1.0px at 117px 112px, rgba(255,255,255,0.88), transparent),
    radial-gradient(1.04px 1.04px at 30px 117px, rgba(255,255,255,0.61), transparent),
    radial-gradient(1.31px 1.31px at 169px 36px, rgba(255,255,255,0.71), transparent),
    radial-gradient(1.32px 1.32px at 248px 109px, rgba(255,255,255,0.89), transparent),
    radial-gradient(1.47px 1.47px at 242px 124px, rgba(255,255,255,0.92), transparent),
    radial-gradient(1.06px 1.06px at 97px 48px, rgba(255,255,255,0.77), transparent),
    radial-gradient(1.28px 1.28px at 216px 210px, rgba(255,255,255,0.89), transparent),
    radial-gradient(1.24px 1.24px at 50px 31px, rgba(255,255,255,0.74), transparent),
    radial-gradient(1.11px 1.11px at 55px 127px, rgba(255,255,255,0.81), transparent),
    radial-gradient(1.11px 1.11px at 71px 216px, rgba(255,255,255,0.79), transparent),
    radial-gradient(1.48px 1.48px at 38px 226px, rgba(255,255,255,0.94), transparent),
    radial-gradient(1.39px 1.39px at 50px 25px, rgba(255,255,255,0.82), transparent),
    radial-gradient(1.56px 1.56px at 7px 47px, rgba(255,255,255,0.94), transparent),
    radial-gradient(1.29px 1.29px at 85px 208px, rgba(255,255,255,0.69), transparent),
    radial-gradient(1.1px 1.1px at 205px 30px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.56px 1.56px at 199px 135px, rgba(255,255,255,0.91), transparent),
    radial-gradient(1.42px 1.42px at 146px 216px, rgba(255,255,255,0.89), transparent),
    radial-gradient(1.11px 1.11px at 249px 79px, rgba(255,255,255,0.69), transparent),
    radial-gradient(1.45px 1.45px at 29px 31px, rgba(255,255,255,0.62), transparent);
  background-size: 270px 270px;
  animation: twinkle-b 9s ease-in-out infinite;
  animation-delay: -3s;
}

.stars-large {
  background-image:
    radial-gradient(2.0px 2.0px at 299px 244px, rgba(140,240,225,0.96), transparent),
    radial-gradient(2.37px 2.37px at 80px 29px, rgba(140,240,225,0.72), transparent),
    radial-gradient(2.08px 2.08px at 95px 35px, rgba(140,240,225,0.9), transparent),
    radial-gradient(1.7px 1.7px at 120px 206px, rgba(140,240,225,0.97), transparent),
    radial-gradient(2.08px 2.08px at 126px 296px, rgba(140,240,225,0.89), transparent),
    radial-gradient(2.05px 2.05px at 214px 298px, rgba(140,240,225,0.79), transparent),
    radial-gradient(2.14px 2.14px at 133px 104px, rgba(140,240,225,0.79), transparent),
    radial-gradient(1.7px 1.7px at 135px 202px, rgba(140,240,225,0.89), transparent),
    radial-gradient(2.34px 2.34px at 234px 161px, rgba(140,240,225,0.98), transparent),
    radial-gradient(2.1px 2.1px at 4px 234px, rgba(140,240,225,0.87), transparent);
  background-size: 310px 310px;
  animation: twinkle-c 6s ease-in-out infinite;
  animation-delay: -1.4s;
  filter: drop-shadow(0 0 3px rgba(94,234,212,0.9));
}

@keyframes twinkle-a {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.95; }
}
@keyframes twinkle-b {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.85; }
}
@keyframes twinkle-c {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  padding: 64px 24px 32px;
  position: relative;
  z-index: 1;
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-tint);
  border: 1px solid rgba(94,234,212,0.2);
  padding: 5px 12px 5px 10px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px 2px rgba(94,234,212,0.8);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.6; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.title em {
  font-style: normal;
  font-weight: 500;
  color: var(--cyan);
  text-shadow: 0 0 28px rgba(94,234,212,0.45);
}

.subtitle {
  max-width: 560px;
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0;
}

/* =========================================================
   LAYOUT
   ========================================================= */
.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.form-panel { padding: 8px 32px 32px; }

.result-panel {
  position: sticky;
  top: 24px;
  min-height: 520px;
  background:
    radial-gradient(420px 260px at 50% -10%, rgba(94,234,212,0.14) 0%, transparent 60%),
    linear-gradient(165deg, #0B1016 0%, #060A0D 100%);
  border: 1px solid rgba(94,234,212,0.16);
  box-shadow: var(--shadow-lift);
  display: flex;
  color: var(--ink);
}

/* =========================================================
   FORM
   ========================================================= */
fieldset.group {
  border: none;
  margin: 0;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
fieldset.group:last-of-type { border-bottom: none; padding-bottom: 8px; }

legend {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin-bottom: 18px;
}

.legend-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  background: var(--cyan-tint);
  border: 1px solid rgba(94,234,212,0.2);
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.grid {
  display: grid;
  gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.field { display: flex; flex-direction: column; gap: 6px; position: relative; }
.field-span { grid-column: 1 / -1; }

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

input[type="text"],
input[type="number"],
select {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%238C99A6' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"),
    linear-gradient(rgba(255,255,255,0.03), rgba(255,255,255,0.03));
  background-repeat: no-repeat;
  background-position: right 12px center, 0 0;
  padding-right: 34px;
  cursor: pointer;
}
select option { background: #0B1016; color: var(--ink); }

input::placeholder { color: var(--ink-faint); }

input:hover, select:hover { border-color: rgba(255,255,255,0.22); }

input:focus, select:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(94,234,212,0.05);
  box-shadow: 0 0 0 3px var(--cyan-tint), 0 0 16px rgba(94,234,212,0.15);
}

input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--coral);
}

.field.field-error input,
.field.field-error select {
  border-color: var(--coral);
  background: rgba(255,107,98,0.07);
}

.unit-input { position: relative; }
.unit-input input { padding-right: 44px; }
.unit-input .unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  pointer-events: none;
}

.hint {
  font-size: 11.5px;
  color: var(--ink-faint);
}

.error-msg {
  font-size: 12px;
  color: var(--coral);
  min-height: 0;
  display: none;
}
.field.field-error .error-msg { display: block; }

/* segmented control for stress level */
.segmented {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.seg-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.seg-btn:hover { border-color: rgba(255,255,255,0.25); color: var(--ink); }
.seg-btn.active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04211C;
  box-shadow: 0 0 16px rgba(94,234,212,0.35);
}
.seg-btn[data-value="Very High"].active { background: var(--coral); border-color: var(--coral); color: #2B0503; box-shadow: 0 0 16px rgba(255,107,98,0.35); }
.seg-btn[data-value="High"].active { background: var(--amber); border-color: var(--amber); color: #2B1D00; box-shadow: 0 0 16px rgba(245,185,66,0.35); }

/* footer / submit */
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
}

.api-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  margin: 0;
}
.api-note code {
  background: rgba(255,255,255,0.05);
  color: var(--ink-soft);
  padding: 2px 5px;
  border-radius: 4px;
}

.submit-btn {
  position: relative;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  color: #04211C;
  background: var(--cyan);
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 26px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  white-space: nowrap;
  box-shadow: 0 0 22px rgba(94,234,212,0.3);
}
.submit-btn:hover { background: #7FF3E0; box-shadow: 0 0 30px rgba(94,234,212,0.45); }
.submit-btn:active { transform: scale(0.98); }
.submit-btn:disabled { opacity: 0.75; cursor: progress; }

.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(4,33,28,0.35);
  border-top-color: #04211C;
  animation: spin 0.7s linear infinite;
}
.submit-btn.loading .btn-label { opacity: 0.85; }
.submit-btn.loading .btn-spinner { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   RESULT PANEL
   ========================================================= */
.result-inner {
  width: 100%;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.state { width: 100%; display: flex; flex-direction: column; align-items: center; }
.state[hidden] {
  display: none !important;
}

/* gauge */
.gauge { width: 100%; max-width: 260px; overflow: visible; margin-bottom: 8px; }
.gauge-track {
  fill: none;
  stroke: rgba(255,255,255,0.08);
  stroke-width: 14;
  stroke-linecap: round;
}
.gauge-fill {
  fill: none;
  stroke: url(#gaugeGradient);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  filter: drop-shadow(0 0 8px rgba(94,234,212,0.55));
  transition: stroke-dashoffset 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.gauge-needle-hub { fill: var(--ink); opacity: 0.9; }
.gauge-ticks line { stroke: rgba(255,255,255,0.18); stroke-width: 1.5; }

.idle-label {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
  margin: 8px 0 4px;
}
.idle-copy {
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 230px;
  margin: 0;
}

/* loading */
.state-loading { padding: 40px 0; }
.pulse-ring {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 2px solid rgba(94,234,212,0.25);
  position: relative;
  margin-bottom: 22px;
}
.pulse-ring::before, .pulse-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(94,234,212,0.55);
  animation: pulse-out 1.8s ease-out infinite;
}
.pulse-ring::after { animation-delay: 0.6s; }
@keyframes pulse-out {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.9); opacity: 0; }
}
.loading-label {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 4px;
  color: var(--ink);
}
.loading-copy { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* result */
.score-readout {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: -6px;
}
.score-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 52px;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-shadow: 0 0 24px rgba(94,234,212,0.35);
}
.score-max { font-family: var(--font-mono); font-size: 16px; color: var(--ink-faint); }

.score-band {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 2px 0 10px;
  color: var(--cyan);
}
.score-context {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 250px;
  margin: 0 0 22px;
}

.reset-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  color: #04211C;
  background: var(--cyan);
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 22px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 0 18px rgba(94,234,212,0.28);
}
.reset-btn:hover { box-shadow: 0 0 26px rgba(94,234,212,0.42); }
.reset-btn:active { transform: scale(0.98); }

/* error state */
.state-error { padding: 28px 0; }
.error-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,107,98,0.14);
  color: #FF9B95;
  border: 1.5px solid rgba(255,155,149,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 16px;
  box-shadow: 0 0 16px rgba(255,107,98,0.2);
}
.error-label {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 6px;
  color: var(--ink);
}
.error-copy {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 250px;
  margin: 0 0 22px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 48px;
  position: relative;
  z-index: 1;
}
.site-footer p {
  font-size: 12.5px;
  color: var(--ink-faint);
  text-align: center;
  margin: 0;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .result-panel { position: static; min-height: 420px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .site-header { padding: 44px 16px 24px; }
  .layout { padding: 0 16px 32px; gap: 16px; }
  .form-panel { padding: 4px 20px 24px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .segmented { grid-template-columns: repeat(2, 1fr); }
  .form-footer { flex-direction: column; align-items: stretch; gap: 14px; }
  .submit-btn { justify-content: center; }
  .api-note { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}