/* ───────────── Design Tokens ───────────── */
:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.06);
  --text: #b0b0c0;
  --text-bright: #f0f0ff;
  --text-dim: #6a6a80;
  --purple: #b47aff;
  --purple-dim: rgba(180,122,255,0.1);
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.08);
  --mint: #00ffb3;
  --mint-dim: rgba(0,255,179,0.08);
  --amber: #ffb700;
  --amber-dim: rgba(255,183,0,0.08);
  --red: #ff4d6d;
  --red-dim: rgba(255,77,109,0.08);
  --green: #22c55e;
  --green-dim: rgba(34,197,94,0.1);
  --grad: linear-gradient(135deg, #b47aff 0%, #00e5ff 50%, #00ffb3 100%);
  --radius: 18px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'DM Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
  --bg: #f5f5fa;
  --bg2: #eeeef4;
  --card-bg: rgba(255,255,255,0.7);
  --card-border: rgba(0,0,0,0.08);
  --text: #444466;
  --text-bright: #1a1a2e;
  --text-dim: #8888a0;
}

/* ───────────── Reset & Base ───────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ───────────── Background ───────────── */
.bg-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.orb1 { width: 600px; height: 600px; background: var(--purple); top: -200px; left: -100px; }
.orb2 { width: 500px; height: 500px; background: var(--cyan); bottom: -150px; right: -100px; animation-delay: -7s; }
.orb3 { width: 400px; height: 400px; background: var(--amber); top: 50%; left: 60%; animation-delay: -14s; }

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.1); }
}

.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
}
[data-theme="light"] .grid-overlay {
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

/* ───────────── Layout ───────────── */
.main {
  position: relative; z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

/* ───────────── Topbar ───────────── */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem; padding: 0.75rem 0; margin-bottom: 2rem;
}
.ctrl-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.78rem;
  font-family: var(--font);
  text-decoration: none;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all 0.25s;
}
.ctrl-btn:hover { border-color: var(--purple); color: var(--text-bright); }
.ctrl-btn svg { width: 14px; height: 14px; }

/* ───────────── Hero ───────────── */
.hero {
  padding: 3rem 0 2rem;
  text-align: center;
}
.hero-org {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.hero-unit {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}
.hero .g {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.hero-desc {
  max-width: 640px;
  margin: 0 auto 1.5rem;
  font-size: 0.92rem;
  color: var(--text);
}
.hero-badges {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem;
}
.hero-badge-pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  font-size: 0.72rem;
  font-family: var(--mono);
  color: var(--text-dim);
  backdrop-filter: blur(10px);
}

/* ───────────── Section Labels ───────────── */
.section-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple);
  margin: 3rem 0 1rem;
  padding-left: 0.25rem;
}

/* ───────────── Content Cards ───────────── */
.content-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.8rem;
  backdrop-filter: blur(18px);
  margin-bottom: 1.5rem;
}
.content-card p { margin-bottom: 1rem; font-size: 0.9rem; }
.content-card p:last-child { margin-bottom: 0; }

/* ───────────── Highlight Boxes ───────────── */
.highlight-box {
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  font-size: 0.85rem;
  margin: 1rem 0;
  line-height: 1.6;
}
.highlight-box.warn {
  background: var(--amber-dim);
  border-color: rgba(255,183,0,0.15);
}
.highlight-box strong { color: var(--text-bright); }

/* ───────────── Scope Grid ───────────── */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}
.scope-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--purple-dim);
  border: 1px solid rgba(180,122,255,0.12);
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-bright);
}
.scope-icon { font-size: 1.3rem; }

/* ───────────── Responsibilities Grid ───────────── */
.resp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.resp-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.2rem;
}
.resp-header {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 0.75rem;
}
.resp-icon { font-size: 1.5rem; }
.resp-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-bright);
}
.resp-card ul {
  list-style: none;
  padding: 0;
}
.resp-card li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.82rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.resp-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--purple);
  font-size: 0.7rem;
}

/* ───────────── Procedure Sections ───────────── */
.proc-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  margin-bottom: 1rem;
  overflow: hidden;
}
.proc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font);
  color: var(--text-bright);
  transition: background 0.25s;
}
.proc-header:hover { background: rgba(255,255,255,0.02); }
.proc-header > div { display: flex; flex-direction: column; gap: 0.2rem; }
.proc-icon { font-size: 1.3rem; }
.proc-name {
  font-weight: 800;
  font-size: 0.95rem;
}
.proc-sub {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.proc-chevron {
  font-size: 1.2rem;
  color: var(--text-dim);
  transition: transform 0.3s;
}
.proc-section.collapsed .proc-chevron { transform: rotate(-90deg); }
.proc-body {
  padding: 0 1.5rem 1.5rem;
  max-height: 5000px;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.proc-section.collapsed .proc-body {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.proc-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-bright);
  margin-bottom: 1rem;
}

/* ───────────── Step List ───────────── */
.step-list { margin: 0.5rem 0; }
.step-item {
  display: flex;
  gap: 0.8rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 0.85rem;
  align-items: baseline;
}
.step-item:last-child { border-bottom: none; }
.step-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--purple);
  white-space: nowrap;
  min-width: 2.5rem;
}
[data-theme="light"] .step-item { border-bottom-color: rgba(0,0,0,0.05); }

/* ───────────── Stage Labels ───────────── */
.stage-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 1.5rem 0 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--cyan-dim);
  border-radius: 8px;
  display: inline-block;
}
.stage-label.warn-label {
  color: var(--amber);
  background: var(--amber-dim);
}

/* ───────────── Tables ───────────── */
.table-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-bright);
  margin: 1.5rem 0 0.75rem;
}
.table-wrapper {
  overflow-x: auto;
  margin: 0.5rem 0 1rem;
}
.limits-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.limits-table th {
  background: var(--purple-dim);
  color: var(--purple);
  padding: 0.7rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.limits-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--card-border);
  color: var(--text);
}
.limits-table tr:last-child td { border-bottom: none; }
.limits-table strong { color: var(--text-bright); }

/* ───────────── Formula Box ───────────── */
.formula-box {
  background: rgba(180,122,255,0.05);
  border: 1px solid rgba(180,122,255,0.15);
  border-radius: 14px;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}
.formula-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}
.formula {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
}
.formula-line { margin-bottom: 0.3rem; }
.formula-label {
  color: var(--text-dim);
  font-weight: 500;
}
.formula-example {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(180,122,255,0.12);
  font-size: 0.78rem;
  font-family: var(--mono);
  color: var(--text-dim);
}
.formula-example strong { color: var(--amber); }

/* ───────────── Decision Flow ───────────── */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.flow-card {
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
}
.flow-card.pass {
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.15);
}
.flow-card.fail {
  background: var(--red-dim);
  border: 1px solid rgba(255,77,109,0.15);
}
.flow-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.flow-title {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-bright);
  margin-bottom: 0.6rem;
}
.flow-card ul {
  list-style: none;
  padding: 0;
}
.flow-card li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
}
.flow-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-dim);
}
.flow-card strong { color: var(--text-bright); }

/* ───────────── Reference List ───────────── */
.ref-list { display: flex; flex-direction: column; gap: 0.75rem; }
.ref-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}
.ref-icon { font-size: 1.3rem; }
.ref-title { font-weight: 700; font-size: 0.85rem; color: var(--text-bright); }
.ref-desc { font-size: 0.78rem; color: var(--text-dim); }

/* ───────────── Approved Badge ───────────── */
.approved-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.5rem 1.2rem;
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--green);
}

/* ───────────── Footer ───────────── */
.footer {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  padding: 3rem 0 2rem;
}

/* ───────────── Reveal Animations ───────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ───────────── Responsive ───────────── */
@media (max-width: 600px) {
  .main { padding: 1rem 1rem 3rem; }
  .hero h1 { font-size: 1.8rem; }
  .content-card { padding: 1.2rem; }
  .proc-header { padding: 1rem; }
  .proc-body { padding: 0 1rem 1rem; }
  .resp-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .hero-badges { justify-content: center; }
  .step-item { flex-direction: column; gap: 0.3rem; }
  .step-num { min-width: unset; }
}

/* ───────────── Form Page Specific Styles ───────────── */
.form-page .container { max-width: 900px; }

.form-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.5rem;
  margin-top: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.form-header-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
}

.sop-reference {
  margin-bottom: 2.5rem;
  padding: 1rem 1.2rem;
  background: var(--purple-dim);
  border: 1px solid rgba(180, 122, 255, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.85rem;
}

.sop-reference span {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--purple);
  font-size: 0.75rem;
}

.sop-link {
  color: var(--text-bright);
  text-decoration: none;
  font-weight: 500;
  transition: 0.2s;
  border-bottom: 1px dashed var(--text-dim);
}

.sop-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.input-group label {
  display: block;
  font-size: 0.65rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-bright);
  font-size: 0.9rem;
  transition: all 0.3s;
}

.input-group input:focus {
  border-color: var(--purple);
  background: rgba(180, 122, 255, 0.05);
  outline: none;
}

/* Dosage Selection Radio Cards */
.dosage-selection { margin-bottom: 2.5rem; }
.dosage-selection h3 { font-size: 1rem; margin-bottom: 1.2rem; color: var(--text-bright); }

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.radio-card { cursor: pointer; position: relative; }
.radio-card input { position: absolute; opacity: 0; }

.radio-content {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.radio-card input:checked + .radio-content {
  border-color: var(--purple);
  background: var(--purple-dim);
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.radio-content .icon { font-size: 1.8rem; }
.radio-content span:last-child { font-weight: 700; font-size: 0.85rem; }

/* Weights Grid */
.weights-section h3 { font-size: 1rem; margin-bottom: 1.2rem; color: var(--text-bright); }
.weights-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.weight-input-box { position: relative; }
.weight-input-box span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.weight-input-box input {
  width: 100%;
  padding: 0.7rem 0.8rem 0.7rem 2.8rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-bright);
  font-family: var(--mono);
  font-size: 0.9rem;
  text-align: right;
}

/* Results Display */
.results-section {
  background: rgba(180, 122, 255, 0.03);
  border: 1px solid rgba(180, 122, 255, 0.1);
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.result-card.main { text-align: center; }
.result-card.main .label { font-family: var(--mono); font-size: 0.65rem; color: var(--text-dim); }
.result-card.main .value { font-size: 2.2rem; font-weight: 800; color: var(--cyan); line-height: 1.2; }

.limits-group { display: grid; gap: 0.75rem; }
.limit-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0.8rem 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.limit-label { font-size: 0.8rem; font-weight: 600; color: var(--text-bright); }
.limit-range { font-family: var(--mono); font-size: 0.75rem; color: var(--text-dim); }
.count-val {
  background: var(--purple);
  color: white;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
}

.count-val.fail { background: var(--red); }

.verdict-card {
  text-align: center;
  padding: 1.2rem;
  border-radius: 16px;
  border: 2px dashed var(--card-border);
  transition: 0.3s;
}

.verdict-card.pass { border-color: var(--green); background: var(--green-dim); }
.verdict-card.fail { border-color: var(--red); background: var(--red-dim); }

.verdict-label { font-family: var(--mono); font-size: 0.6rem; color: var(--text-dim); }
.verdict-value { font-size: 1.4rem; font-weight: 900; color: var(--text-bright); margin: 0.2rem 0; }
.verdict-desc { font-size: 0.75rem; color: var(--text-dim); }

.form-actions { display: flex; gap: 1rem; justify-content: flex-end; margin-bottom: 2rem; }

@media (max-width: 850px) {
  .results-grid { grid-template-columns: 1fr; }
  .weights-grid { grid-template-columns: repeat(2, 1fr); }
  .radio-group { grid-template-columns: 1fr; }
}

@media print {
  .bg-canvas, .navbar, .form-actions, .theme-toggle { display: none !important; }
  .form-container { box-shadow: none !important; border: 1px solid #ddd !important; padding: 1rem !important; }
  body { background: white !important; color: black !important; }
}