:root {
  --bg: #071822;
  --bg-soft: #0d2330;
  --panel: #0d202d;
  --panel-strong: #102736;
  --panel-ink: #08141d;
  --line: rgba(121, 218, 222, 0.2);
  --line-strong: rgba(121, 218, 222, 0.38);
  --text: #edf7f7;
  --muted: #95acb7;
  --accent: #74ebe7;
  --accent-strong: #52d7d2;
  --accent-deep: #1c8b97;
  --danger: #e0a7a1;
  --danger-line: rgba(224, 167, 161, 0.38);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Bahnschrift", "Trebuchet MS", "Segoe UI Variable", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(18, 121, 126, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(19, 57, 87, 0.35), transparent 30%),
    linear-gradient(180deg, #061821 0%, #05131c 100%);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.5;
}

.glow-left {
  top: 9rem;
  left: -8rem;
  width: 26rem;
  height: 26rem;
  background: radial-gradient(circle, rgba(36, 203, 191, 0.28) 0%, rgba(36, 203, 191, 0) 72%);
}

.glow-right {
  top: 3rem;
  right: -10rem;
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(58, 128, 201, 0.24) 0%, rgba(58, 128, 201, 0) 72%);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(117, 180, 189, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 180, 189, 0.06) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 85%);
}

.app-shell {
  position: relative;
  width: min(1480px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 10px 0 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(12, 31, 43, 0.96), rgba(10, 24, 34, 0.94));
  box-shadow: var(--shadow);
}

.brand-home {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.logo {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.35));
}

.title-block h1 {
  margin: 0;
  font-family: "Segoe UI Variable Display", "Bahnschrift", sans-serif;
  font-size: clamp(1.35rem, 1.1rem + 0.9vw, 2rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.title-block .sub {
  display: block;
  margin-top: 0.22rem;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 39, 53, 0.72);
  color: #d5e8ec;
  font-size: 0.95rem;
  font-weight: 700;
}

.meta-pill-accent {
  background: linear-gradient(135deg, rgba(116, 235, 231, 0.95), rgba(82, 215, 210, 0.86));
  color: #082028;
  border-color: transparent;
}

.container {
  display: block;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.card,
.footer-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(13, 32, 45, 0.98), rgba(8, 22, 31, 0.96)),
    linear-gradient(180deg, rgba(116, 235, 231, 0.06), transparent 35%);
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.control-panel {
  position: sticky;
  top: 14px;
}

.panel-shell,
.content-stack {
  display: grid;
  gap: 20px;
}

.card-title {
  margin: 0;
  font-family: "Segoe UI Variable Display", "Bahnschrift", sans-serif;
  font-size: clamp(1.35rem, 1.15rem + 0.5vw, 1.8rem);
  line-height: 1.08;
}

.input-form,
.field-stack {
  display: grid;
  gap: 14px;
}

.field {
  position: relative;
  padding: 15px 16px 18px;
  border: 1px solid rgba(114, 170, 180, 0.14);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(8, 24, 34, 0.98), rgba(7, 18, 26, 0.98));
  box-shadow: inset 0 1px 0 rgba(121, 218, 222, 0.05);
}

.field label {
  display: block;
  margin-bottom: 8px;
  color: #bad4db;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  padding-right: 54px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
  outline: none;
}

.field input::placeholder {
  color: rgba(149, 172, 183, 0.8);
}

.field .unit {
  position: absolute;
  right: 16px;
  bottom: 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.actions {
  display: grid;
  gap: 12px;
}

.panel-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 6px;
}

.btn {
  min-height: 64px;
  padding: 12px 18px;
  border-radius: 20px;
  border: 1px solid rgba(116, 235, 231, 0.14);
  background: linear-gradient(180deg, rgba(20, 48, 64, 0.96), rgba(14, 35, 47, 0.96));
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 28px rgba(0, 0, 0, 0.25);
}

.btn.primary {
  background: linear-gradient(135deg, rgba(116, 235, 231, 0.96), rgba(82, 215, 210, 0.88));
  color: #092127;
  border-color: transparent;
}

.btn.ghost {
  background: linear-gradient(180deg, rgba(18, 44, 59, 0.92), rgba(11, 27, 38, 0.92));
}

.warning-panel {
  padding: 20px 24px;
}

.alert {
  display: grid;
  gap: 12px;
}

.alert-item {
  padding: 14px 16px;
  border: 1px solid var(--danger-line);
  border-radius: 18px;
  background: rgba(72, 40, 42, 0.28);
  color: #f2d5d0;
  line-height: 1.5;
}

.analysis-panel {
  min-height: 420px;
}

.plots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.plot-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid rgba(121, 218, 222, 0.14);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(9, 25, 36, 0.98), rgba(6, 18, 27, 0.98));
}

.plot-card h3 {
  margin: 0;
  color: #e8f5f6;
  font-size: 1.08rem;
  line-height: 1.2;
}

.plot-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  padding: 14px;
  border: 1px solid rgba(121, 218, 222, 0.1);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(11, 29, 40, 0.98), rgba(8, 20, 29, 0.98)),
    radial-gradient(circle at top left, rgba(116, 235, 231, 0.08), transparent 42%);
  overflow: hidden;
}

.plot-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: 28px;
  border: 1px dashed rgba(121, 218, 222, 0.24);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(9, 25, 36, 0.9), rgba(6, 18, 27, 0.92));
  text-align: center;
  color: var(--muted);
}

.empty-state p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.info-panel {
  display: grid;
  gap: 18px;
}

.kv {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.kv li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  border: 1px solid rgba(121, 218, 222, 0.12);
  border-radius: 18px;
  background: rgba(8, 24, 34, 0.86);
}

.kv span {
  color: var(--muted);
}

.kv b {
  color: var(--text);
  text-align: right;
}

.source-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.source-note a,
.cite a {
  color: var(--accent);
  text-decoration: none;
}

.source-note a:hover,
.cite a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 22px;
}

.footer-card {
  padding: 18px 24px;
}

.cite {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(2, 11, 17, 0.78);
  backdrop-filter: blur(8px);
}

.modal-card {
  position: relative;
  width: min(100%, 460px);
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(13, 32, 45, 0.98), rgba(8, 22, 31, 0.98)),
    radial-gradient(circle at top left, rgba(116, 235, 231, 0.12), transparent 42%);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.5);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(121, 218, 222, 0.18);
  border-radius: 999px;
  background: rgba(12, 28, 39, 0.92);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.modal-title {
  margin: 0 42px 10px 0;
  font-family: "Segoe UI Variable Display", "Bahnschrift", sans-serif;
  font-size: 1.55rem;
  line-height: 1.1;
}

.modal-copy {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.6;
}

.modal-form {
  display: grid;
  gap: 14px;
}

.modal-label {
  color: #bad4db;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.modal-form input {
  width: 100%;
  min-height: 60px;
  padding: 0 18px;
  border: 1px solid rgba(114, 170, 180, 0.18);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(8, 24, 34, 0.98), rgba(7, 18, 26, 0.98));
  color: var(--text);
  font-size: 1.05rem;
  outline: none;
}

.modal-form input::placeholder {
  color: rgba(149, 172, 183, 0.8);
}

.modal-form input:focus-visible,
.modal-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.modal-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 2px;
}

.brand-home:focus-visible,
.btn:focus-visible,
.field input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.field:focus-within {
  border-color: rgba(116, 235, 231, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(121, 218, 222, 0.08),
    0 0 0 1px rgba(116, 235, 231, 0.1);
}

.fade-in {
  animation: fade-in 0.55s ease both;
}

.pop-in {
  animation: pop-in 0.55s ease both;
}

.slide-down {
  animation: slide-down 0.35s ease both;
}

.tilt-in {
  animation: tilt-in 0.55s ease both;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.985) translateY(12px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tilt-in {
  from {
    opacity: 0;
    transform: perspective(900px) rotateX(8deg) translateY(14px);
  }

  to {
    opacity: 1;
    transform: perspective(900px) rotateX(0deg) translateY(0);
  }
}

@media (max-width: 1180px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .app-shell {
    width: min(100vw - 18px, 1480px);
    padding-top: 8px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-meta {
    justify-content: flex-start;
  }

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

@media (max-width: 640px) {
  .card,
  .footer-card {
    border-radius: 22px;
  }

  .card {
    padding: 18px;
  }

  .topbar {
    padding: 12px;
  }

  .brand-home {
    align-items: flex-start;
  }

  .logo {
    width: 48px;
    height: 48px;
  }

  .panel-actions {
    grid-template-columns: 1fr;
  }

  .plot-frame {
    min-height: 220px;
    padding: 10px;
  }

  .modal-card {
    padding: 22px;
  }

  .modal-actions {
    grid-template-columns: 1fr;
  }

  .kv li {
    flex-direction: column;
    align-items: flex-start;
  }

  .kv b {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .app-shell {
    width: calc(100vw - 12px);
  }

  .topbar-meta,
  .meta-pill,
  .btn {
    width: 100%;
  }

  .meta-pill {
    justify-content: center;
    padding-inline: 12px;
    text-align: center;
  }

  .field,
  .plot-card {
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}