:root {
  --bg-1: #061018;
  --bg-2: #0c1d2c;
  --bg-3: #12324a;
  --surface: #112a3d;
  --surface-2: #15344a;
  --line: #2d6280;
  --text: #eaf6ff;
  --muted: #9fc4da;
  --accent: #f59e0b;
  --accent-soft: #ffd89a;
  --ok: #22c55e;
  --warn: #f97316;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  background:
    radial-gradient(circle at 8% 12%, #1f4966 0, transparent 28%),
    radial-gradient(circle at 88% 10%, #2a5f4d 0, transparent 24%),
    linear-gradient(140deg, var(--bg-1) 0%, var(--bg-2) 48%, var(--bg-3) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgb(159 196 218 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(159 196 218 / 4%) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
  z-index: 0;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: #22c55e;
  top: 64%;
  left: -80px;
}

.orb-2 {
  width: 260px;
  height: 260px;
  background: #f59e0b;
  right: -70px;
  top: 18%;
}

.layout {
  width: min(1160px, 94vw);
  margin: 1.4rem auto 2.8rem;
  display: grid;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.card {
  background: linear-gradient(150deg, rgb(17 42 61 / 90%), rgb(18 50 70 / 70%));
  border: 1px solid rgb(170 223 250 / 19%);
  border-radius: 18px;
  padding: 1rem 1.15rem;
  backdrop-filter: blur(8px);
  box-shadow:
    inset 0 1px 0 rgb(210 239 255 / 12%),
    0 14px 38px rgb(3 12 18 / 42%);
  animation: rise 380ms ease;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  margin: 0;
  letter-spacing: 0.01em;
}

h2 {
  font-size: 1.14rem;
}

.hero h1 {
  margin-top: 0.2rem;
  font-size: clamp(1.85rem, 3.9vw, 3rem);
  line-height: 1.03;
}

.hero p {
  color: var(--muted);
  margin: 0.5rem 0 0;
  max-width: 75ch;
}

.hero-chips {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid rgb(255 232 193 / 30%);
  background: rgb(249 186 63 / 14%);
  color: #ffe7bd;
  border-radius: 999px;
  font-size: 0.73rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 0.85rem;
  margin-top: 0.85rem;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.34rem;
  color: var(--muted);
  font-size: 0.84rem;
}

input,
select,
button {
  border: 1px solid var(--line);
  background: #102b3d;
  color: var(--text);
  border-radius: 10px;
  padding: 0.62rem 0.7rem;
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid rgb(245 158 11 / 42%);
  border-color: var(--accent);
}

button {
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: #f8bd54;
  background: #173e56;
}

.primary {
  background: linear-gradient(150deg, #d79e3f, #f59e0b);
  color: #1f190b;
  border: none;
  font-weight: 700;
}

.primary:hover {
  background: linear-gradient(150deg, #e6b768, #f8b53a);
}

.row-actions {
  display: flex;
  gap: 0.52rem;
}

.table-wrap {
  margin-top: 0.8rem;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

th,
td {
  padding: 0.58rem 0.45rem;
  border-bottom: 1px solid rgb(170 223 250 / 15%);
  font-size: 0.9rem;
  text-align: left;
}

th {
  color: #f6cf8f;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
}

tbody tr {
  transition: background 140ms ease;
}

tbody tr:hover {
  background: rgb(122 184 216 / 7%);
}

td input[type="number"] {
  width: 86px;
}

td input[type="text"] {
  width: 80px;
}

.swatch {
  width: 32px;
  height: 24px;
  border-radius: 7px;
  border: 1px solid rgb(8 21 31 / 48%);
}

.remove-btn {
  border-color: #95563a;
  background: #3f281e;
}

.gantt {
  margin-top: 0.85rem;
  border: 1px dashed rgb(170 223 250 / 30%);
  border-radius: 12px;
  padding: 0.8rem;
  min-height: 115px;
}

.gantt.empty {
  color: var(--muted);
  display: grid;
  place-items: center;
}

.gantt-track {
  display: flex;
  min-height: 54px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgb(170 223 250 / 17%);
}

.gantt-block {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 35px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
  color: #0a1c29;
  border-right: 1px solid rgb(7 21 31 / 45%);
  animation: slideUp 260ms ease;
}

.gantt-scale {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.78rem;
  display: flex;
}

.scale-mark {
  text-align: right;
}

.badge {
  font-size: 0.76rem;
  color: #081b2a;
  background: linear-gradient(140deg, #8fd8f9, #7fb8d6);
  border-radius: 999px;
  padding: 0.22rem 0.56rem;
  font-weight: 700;
  transition: transform 160ms ease;
}

.badge.flash {
  animation: pulse 550ms ease;
}

.live-controls {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: end;
}

.live-controls label {
  min-width: 95px;
}

.live-panel {
  margin-top: 0.8rem;
  border: 1px solid rgb(170 223 250 / 24%);
  border-radius: 12px;
  background: linear-gradient(160deg, #122f43, #0e2535);
  padding: 0.72rem;
}

.live-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  font-size: 0.84rem;
  color: #d7ecf8;
}

.live-track {
  margin-top: 0.68rem;
  min-height: 48px;
  display: flex;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgb(170 223 250 / 20%);
}

.live-cell {
  min-width: 18px;
  border-right: 1px solid rgb(8 21 31 / 35%);
  animation: pop 220ms ease;
}

.remaining-grid {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.45rem;
}

.remaining-chip {
  border: 1px solid rgb(170 223 250 / 22%);
  border-radius: 10px;
  padding: 0.45rem 0.56rem;
  font-size: 0.8rem;
  background: rgb(10 29 42 / 76%);
}

.summary-grid {
  margin: 0.88rem 0 0.45rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 0.66rem;
}

.metric-card {
  border: 1px solid rgb(170 223 250 / 24%);
  border-radius: 12px;
  padding: 0.66rem 0.72rem;
  background: linear-gradient(155deg, #173b54, #123246);
}

.metric-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.79rem;
}

.metric-card strong {
  margin-top: 0.2rem;
  display: block;
  color: #fff3dc;
  font-size: 1rem;
}

.formula-grid {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
}

.formula-card {
  border: 1px solid rgb(170 223 250 / 22%);
  border-radius: 12px;
  padding: 0.68rem 0.72rem;
  background: linear-gradient(155deg, #173a53, #113145);
}

.formula-card h3 {
  font-size: 0.95rem;
  margin: 0;
}

.formula-card p {
  margin: 0.3rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.34;
}

.trace-wrap {
  margin-top: 0.82rem;
  max-height: 320px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgb(170 223 250 / 20%);
}

.trace-wrap table {
  min-width: 780px;
}

.trace-wrap thead th {
  position: sticky;
  top: 0;
  background: #14354b;
  z-index: 2;
}

.concept-grid {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
}

.concept-grid article {
  border: 1px solid rgb(170 223 250 / 18%);
  border-radius: 12px;
  padding: 0.72rem;
  background: linear-gradient(155deg, #14374d, #102d40);
}

.concept-grid h3 {
  font-size: 0.95rem;
}

.concept-grid p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.36;
}

.hidden {
  display: none;
}

@keyframes rise {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pop {
  from {
    transform: scaleY(0.6);
    opacity: 0.42;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(12px);
    opacity: 0.6;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}

@media (max-width: 720px) {
  .layout {
    margin-top: 1rem;
  }

  .card {
    padding: 0.85rem 0.85rem;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .row-actions {
    width: 100%;
  }
}