/* ─── RESET ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── DESIGN TOKENS ──────────────────────────────────── */
:root {
  --bg:           #0a0a0f;
  --bg2:          #0d0d1a;
  --glass:        rgba(255, 255, 255, 0.025);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-hover:  rgba(255, 255, 255, 0.045);
  --accent:       #00d4ff;
  --accent2:      #6c63ff;
  --glow:         rgba(0, 212, 255, 0.14);
  --text:         #eef0ff;
  --text2:        rgba(238, 240, 255, 0.55);
  --text3:        rgba(238, 240, 255, 0.28);
  --low:          #00e676;
  --medium:       #ffb300;
  --high:         #ff3d71;
  --low-glow:     rgba(0, 230, 118, 0.18);
  --medium-glow:  rgba(255, 179, 0, 0.18);
  --high-glow:    rgba(255, 61, 113, 0.18);
  --font-mono:    'Space Mono', monospace;
  --font-sans:    'DM Sans', sans-serif;
  --radius:       20px;
  --radius-sm:    12px;
}

/* ─── BASE ───────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.022) 1px, transparent 1px);
  background-size: 60px 60px;
  min-height: 100vh;
  position: relative;
}

/* ambient glow blobs */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 12% 45%, rgba(0, 212, 255, 0.055) 0%, transparent 65%),
    radial-gradient(ellipse 55% 65% at 88% 55%, rgba(108, 99, 255, 0.055) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ─── HEADER ─────────────────────────────────────────── */
.site-header {
  padding: 28px 44px 0;
  position: relative;
  z-index: 1;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-hex {
  width: 34px;
  height: 40px;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent));
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1.5px;
}

.header-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

/* ─── LAYOUT ─────────────────────────────────────────── */
.container {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 26px;
  padding: 30px 44px 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ─── CARD ───────────────────────────────────────────── */
.card {
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

/* top edge highlight */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
  pointer-events: none;
}

/* ─── CARD HEADER ────────────────────────────────────── */
.card-header {
  margin-bottom: 26px;
}

.card-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}

.card-desc {
  font-size: 13px;
  color: var(--text2);
  padding-left: 18px;
  font-weight: 300;
}

/* ─── FORM INPUTS ────────────────────────────────────── */
.input-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.unit {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  opacity: 0.55;
  text-transform: none;
  letter-spacing: 0;
}

.input-field {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  padding: 11px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.input-field::placeholder {
  color: var(--text3);
}

.input-field:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.input-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
  background: rgba(0, 212, 255, 0.04);
}

/* select arrow */
select.input-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(238,240,255,0.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

select.input-field option {
  background: #12121f;
  color: var(--text);
}

/* hide number spinners */
.input-field[type="number"]::-webkit-inner-spin-button,
.input-field[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  opacity: 0;
}

/* ─── SUBMIT BUTTON ──────────────────────────────────── */
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  color: #05050f;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.22), inset 0 1px 0 rgba(255,255,255,0.15);
}

.submit-btn:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.32), inset 0 1px 0 rgba(255,255,255,0.15);
}

.submit-btn:active {
  transform: translateY(0);
  opacity: 1;
}

.submit-btn.loading {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-icon {
  width: 16px;
  height: 16px;
  stroke: #05050f;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.submit-btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ─── RESULT CARD ────────────────────────────────────── */
.result-card {
  display: flex;
  flex-direction: column;
}

/* ─── ANIMATE IN ─────────────────────────────────────── */
@keyframes animIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: animIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ─── RADIAL RING ────────────────────────────────────── */
.ring-wrap {
  position: relative;
  width: 168px;
  height: 168px;
  margin: 4px auto 22px;
}

.risk-ring {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.ring-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 282.74;
  stroke-dashoffset: 282.74;
  transform-origin: 60px 60px;
  transform: rotate(-90deg);
  animation: ringFill 1.7s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

@keyframes ringFill {
  to { stroke-dashoffset: var(--target, 0); }
}

/* ring colors */
.risk-stroke-low    { stroke: var(--low);    filter: drop-shadow(0 0 7px var(--low)); }
.risk-stroke-medium { stroke: var(--medium); filter: drop-shadow(0 0 7px var(--medium)); }
.risk-stroke-high   { stroke: var(--high);   filter: drop-shadow(0 0 7px var(--high)); }

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.ring-pct {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.ring-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3.5px;
  color: var(--text3);
  margin-top: 2px;
}

/* ─── RISK COLORS ────────────────────────────────────── */
.risk-color-low    { color: var(--low); }
.risk-color-medium { color: var(--medium); }
.risk-color-high   { color: var(--high); }

/* ─── STATUS BADGE ───────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 18px 6px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.status-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.badge-low    { background: rgba(0, 230, 118, 0.1); color: var(--low);    border: 1px solid rgba(0, 230, 118, 0.28); }
.badge-medium { background: rgba(255, 179, 0, 0.1); color: var(--medium); border: 1px solid rgba(255, 179, 0, 0.28); }
.badge-high   { background: rgba(255, 61, 113, 0.1); color: var(--high);  border: 1px solid rgba(255, 61, 113, 0.28); }

/* ─── DIAGNOSIS LABEL ────────────────────────────────── */
.diagnosis {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 22px;
}

/* ─── FACTORS ────────────────────────────────────────── */
.factors-section {
  width: 100%;
  margin-bottom: 16px;
}

.factors-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}

.factors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.factor {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid transparent;
  gap: 8px;
}

.factor-ok      { background: rgba(0, 230, 118, 0.055); border-color: rgba(0, 230, 118, 0.18); }
.factor-caution { background: rgba(255, 179, 0, 0.055);  border-color: rgba(255, 179, 0, 0.18); }
.factor-warn    { background: rgba(255, 61, 113, 0.055); border-color: rgba(255, 61, 113, 0.18); }

.factor-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text2);
  white-space: nowrap;
}

.factor-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.factor-unit {
  font-size: 10px;
  opacity: 0.7;
  font-weight: 400;
}

.factor-ok      .factor-val { color: var(--low); }
.factor-caution .factor-val { color: var(--medium); }
.factor-warn    .factor-val { color: var(--high); }

/* ─── DISCLAIMER ─────────────────────────────────────── */
.disclaimer {
  font-size: 11px;
  color: var(--text3);
  text-align: center;
  font-style: italic;
  margin-top: auto;
  padding-top: 8px;
}

/* ─── RESULT BODY ────────────────────────────────────── */
.result-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

/* ─── EMPTY STATE ────────────────────────────────────── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  text-align: center;
}

.empty-icon {
  width: 52px;
  height: 52px;
  color: var(--text3);
  margin-bottom: 18px;
}

.empty-icon svg {
  width: 100%;
  height: 100%;
}

.error-icon {
  color: var(--high);
  opacity: 0.7;
}

.empty-title {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--text2);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.empty-desc {
  font-size: 13.5px;
  color: var(--text3);
  line-height: 1.8;
  max-width: 240px;
}

.empty-desc em {
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
}

/* ─── FOOTER ─────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 16px 44px 28px;
  position: relative;
  z-index: 1;
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 960px) {
  .container {
    grid-template-columns: 1fr;
    padding: 20px 24px;
  }

  .site-header {
    padding: 22px 24px 0;
  }

  .header-inner {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .site-footer {
    padding: 12px 24px 24px;
  }
}

@media (max-width: 520px) {
  .input-grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 22px 20px;
  }

  .ring-wrap {
    width: 148px;
    height: 148px;
  }

  .ring-pct {
    font-size: 26px;
  }

  .factors-grid {
    grid-template-columns: 1fr 1fr;
  }

  .header-inner {
    align-items: center;
    text-align: center;
  }
}