/* ════════════════════════════════════════════════════════════
   GPXtooth — style.css
   Pure CSS · Glassmorphism · Neumorphism · 2024 Design
   ════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Palette */
  --c-bg:          #07080f;
  --c-bg-2:        #0b0d16;
  --c-surface:     #0e1020;
  --c-surface-2:   #121526;

  --c-green:       #00e578;
  --c-green-dim:   rgba(0, 229, 120, .12);
  --c-green-glow:  rgba(0, 229, 120, .25);

  --c-blue:        #60a5fa;
  --c-orange:      #fb923c;
  --c-purple:      #c084fc;
  --c-red:         #f87171;
  --c-yellow:      #fbbf24;

  --c-text:        #eef0f8;
  --c-text-2:      #8892a8;
  --c-text-3:      #4a5368;

  --c-border:      rgba(255, 255, 255, .07);
  --c-border-2:    rgba(255, 255, 255, .12);

  /* Glass */
  --glass-bg:      rgba(255, 255, 255, .035);
  --glass-hover:   rgba(255, 255, 255, .055);
  --glass-blur:    blur(24px) saturate(160%);

  /* Typography */
  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --gap:           1.5rem;
  --radius:        1rem;
  --radius-lg:     1.5rem;
  --radius-xl:     2rem;

  /* Shadows */
  --shadow-card:   0 1px 1px rgba(0,0,0,.4), 0 4px 24px rgba(0,0,0,.35);
  --shadow-hover:  0 2px 4px rgba(0,0,0,.5), 0 12px 48px rgba(0,0,0,.5);
  --shadow-glow:   0 0 40px var(--c-green-glow);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  background: var(--c-bg);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

code {
  font-family: var(--font-mono);
  font-size: .88em;
  color: var(--c-green);
  background: var(--c-green-dim);
  padding: .15em .45em;
  border-radius: 4px;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -.03em;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font: inherit; }

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.1);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--c-green-glow); }

/* ── Utility: gradient text ─────────────────────────────────── */
.text--gradient {
  background: linear-gradient(135deg, var(--c-green) 0%, #4ade80 55%, #a3f0c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section spacing ────────────────────────────────────────── */
.section-gap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

/* ── Glass card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

.glass-card:hover {
  border-color: var(--c-border-2);
  background: var(--glass-hover);
  box-shadow: var(--shadow-hover);
}

/* ════════════════════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  background: rgba(7, 8, 15, .75);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border-bottom: 1px solid var(--c-border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}

.nav__logo {
  color: var(--c-green);
  animation: spin-slow 24s linear infinite;
  display: flex;
}

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

.nav__wordmark {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--c-text);
}

.nav__wordmark em {
  font-style: normal;
  color: var(--c-green);
}

.nav__links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}

.nav__links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color .15s;
}

.nav__links a:hover { color: var(--c-text); }

@media (max-width: 640px) {
  .nav__links { display: none; }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 600;
  border: none;
  white-space: nowrap;
  transition: all .18s ease;
  letter-spacing: -.015em;
}

.btn--sm  { font-size: .8125rem; padding: .45rem 1rem; border-radius: .6rem; }
.btn--lg  { font-size: .9375rem; padding: .75rem 1.75rem; border-radius: .875rem; }

.btn--primary {
  background: var(--c-green);
  color: #021a0a;
  /* Neumorphic top-light effect */
  box-shadow:
    0 1px 0 rgba(255,255,255,.2) inset,
    0 -1px 0 rgba(0,0,0,.3) inset,
    0 2px 8px rgba(0, 229, 120, .3);
}

.btn--primary:hover {
  background: #14f584;
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255,255,255,.2) inset,
    0 6px 24px rgba(0, 229, 120, .35),
    0 2px 6px rgba(0,0,0,.2);
}

.btn--primary:active {
  transform: translateY(0);
  background: #00c462;
  box-shadow: 0 0 0 3px rgba(0,229,120,.2);
}

.btn--ghost {
  background: rgba(255,255,255,.06);
  color: var(--c-text);
  border: 1px solid var(--c-border-2);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 7rem 2rem 4rem;
  overflow: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}

.hero.hidden {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  height: 0;
  pointer-events: none;
}

/* Background layers */
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 10%, transparent 100%);
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0;
  animation: blob-appear 1.5s ease forwards;
}

.hero__blob--1 {
  width: 800px; height: 800px;
  background: radial-gradient(circle, #00e578, transparent 65%);
  top: -400px; left: 50%;
  transform: translateX(-52%);
  opacity: .07;
  animation: float-a 12s ease-in-out infinite;
}

.hero__blob--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #818cf8, transparent 65%);
  bottom: -150px; right: -80px;
  opacity: .06;
  animation: float-b 15s ease-in-out infinite;
}

.hero__blob--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #38bdf8, transparent 65%);
  top: 30%; left: -80px;
  opacity: .05;
  animation: float-b 10s ease-in-out infinite reverse;
}

@keyframes float-a {
  0%, 100% { transform: translateX(-52%) translateY(0); }
  50%       { transform: translateX(-52%) translateY(-50px); }
}

@keyframes float-b {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(35px); }
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
  max-width: min(92vw, 1200px);
  padding: 0 1rem;
}

.hero__title {
  /* Mobile: floor à 2.25rem · Tablet: ~4rem · Desktop: ~7rem · Large: jusqu'à 11rem */
  font-size: clamp(2.25rem, 8.5vw, 11rem);
  font-weight: 900;
  letter-spacing: -.05em;
  margin-bottom: 1.5rem;
  line-height: .95;
}

@media (max-width: 480px) {
  .hero__title {
    letter-spacing: -.03em;
    line-height: 1.05;
  }
}

.hero__desc {
  font-size: clamp(.9rem, 1.1vw + .5rem, 1.2rem);
  color: var(--c-text-2);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--c-green);
  background: var(--c-green-dim);
  border: 1px solid rgba(0,229,120,.25);
  border-radius: 100px;
  padding: .35rem .9rem;
  margin-bottom: 2rem;
}

.badge__dot {
  width: 6px; height: 6px;
  background: var(--c-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.7); }
}

/* Hero stats row */
.hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: min(90vw, 860px);
  margin-top: 4rem;
}

@media (max-width: 600px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}

.stat-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  padding: 1.25rem .75rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.032);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--c-border);
  transition: border-color .2s, background .2s, transform .2s;
}

.stat-mini:hover {
  border-color: rgba(0,229,120,.2);
  background: rgba(0,229,120,.04);
  transform: translateY(-2px);
}

.stat-mini__label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--c-text-3);
}

.stat-mini__value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stat-mini__unit {
  font-family: var(--font-mono);
  font-size: .6rem;
  color: var(--c-text-3);
  letter-spacing: .05em;
}

/* ════════════════════════════════════════════════════════════
   DASHBOARD
   ════════════════════════════════════════════════════════════ */
.dashboard {
  padding: 0 2rem 6rem;
}

.dashboard__container {
  width: 75%;
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 1280px) {
  .dashboard__container { width: 85%; }
}

@media (max-width: 1024px) {
  .dashboard__container { width: 92%; }
}

@media (max-width: 768px) {
  .dashboard { padding: 0 .75rem 4rem; }
  .dashboard__container { width: 100%; }
}

/* Panels */
.panel {
  padding: 1.5rem;
}

.panel__header {
  display: flex;
  align-items: center;
  gap: .875rem;
  margin-bottom: 1.25rem;
}

.panel__title-group {
  display: flex;
  align-items: center;
  gap: .875rem;
  flex: 1;
  min-width: 0;
}

.panel__name {
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel__sub {
  font-size: .75rem;
  color: var(--c-text-3);
  margin-top: 1px;
}

/* Icon pills */
.icon-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: .6rem;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,.06);
}

.icon-pill--green  { background: rgba(0,229,120,.12); color: var(--c-green); }
.icon-pill--blue   { background: rgba(96,165,250,.12); color: var(--c-blue); }
.icon-pill--orange { background: rgba(251,146,60,.12); color: var(--c-orange); }
.icon-pill--red    { background: rgba(248,113,113,.12); color: var(--c-red); }
.icon-pill--purple { background: rgba(192,132,252,.12); color: var(--c-purple); }

/* Map container */
.map-container {
  width: 100%;
  height: 520px;
  border-radius: .875rem;
  overflow: hidden;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  position: relative;
}

/* Map toolbar */
.map-toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: .875rem;
}

.map-toolbar__label {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-3);
  white-space: nowrap;
}

/* Layer buttons — neumorphic feel */
.layer-group {
  display: flex;
  gap: .25rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: .6rem;
  padding: .2rem;
  box-shadow:
    inset 0 1px 3px rgba(0,0,0,.5),
    inset 0 0 0 1px rgba(255,255,255,.03);
}

.layer-btn {
  padding: .3rem .75rem;
  border-radius: .4rem;
  font-size: .7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  border: none;
  background: transparent;
  color: var(--c-text-3);
  transition: all .15s;
}

.layer-btn:hover {
  color: var(--c-text);
  background: rgba(255,255,255,.06);
}

.layer-btn.active {
  background: var(--c-green-dim);
  color: var(--c-green);
  box-shadow:
    0 1px 4px rgba(0,0,0,.4),
    0 0 0 1px rgba(0,229,120,.2);
}

/* Metric buttons */
.metric-group {
  display: flex;
  gap: .3rem;
}

.metric-btn {
  padding: .3rem .75rem;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 500;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-text-3);
  transition: all .15s;
}

.metric-btn:hover {
  color: var(--c-text);
  border-color: rgba(255,255,255,.15);
  background: rgba(255,255,255,.04);
}

.metric-btn.active {
  color: var(--c-green);
  border-color: rgba(0,229,120,.3);
  background: var(--c-green-dim);
}

/* Legend */
.legend {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
}

.legend__bar {
  width: 72px; height: 6px;
  border-radius: 3px;
}

.legend__label {
  font-size: .65rem;
  font-family: var(--font-mono);
  color: var(--c-text-3);
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.stats-grid--wide {
  grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 1024px) {
  .stats-grid--wide { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 540px) {
  .stats-grid--wide { grid-template-columns: repeat(2, 1fr); }
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: 1rem;
  border-radius: .75rem;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--c-border);
  /* Neumorphic inset */
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.04),
    inset 0 -1px 0 rgba(0,0,0,.3);
  transition: border-color .2s, transform .2s;
}

.stat-item:hover {
  border-color: rgba(255,255,255,.1);
  transform: translateY(-1px);
}

.stat-item__icon { margin-bottom: .25rem; }

.stat-item__val {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stat-item__label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-3);
}

/* Charts row — 3 charts side by side */
.charts-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .charts-row { grid-template-columns: 1fr; }
}

/* Chart panels */
.panel--chart { flex: 1; }

.chart-canvas {
  display: block;
  width: 100%;
  border-radius: .5rem;
}

/* Chart wrapper (for crosshair positioning) */
.chart-wrapper {
  position: relative;
  cursor: crosshair;
}

/* Stats panel */
.panel--stats .hr-badges {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
}

/* Crosshair vertical line */
.chart-crosshair {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: rgba(255, 255, 255, .45);
  pointer-events: none;
  opacity: 0;
  transition: opacity .12s ease;
  z-index: 5;
  box-shadow: 0 0 6px rgba(255,255,255,.15);
}

/* HR badges */
.hr-badges {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.hr-badge {
  font-size: .75rem;
  color: var(--c-text-3);
}

.hr-badge strong {
  font-family: var(--font-mono);
  color: var(--c-red);
  font-weight: 700;
}

/* ════════════════════════════════════════════════════════════
   SECTION HEADER (shared)
   ════════════════════════════════════════════════════════════ */
.section-header {
  text-align: center;
  max-width: 540px;
  margin: 0 auto 4rem;
}

.section-header__eyebrow {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--c-green);
  margin-bottom: .75rem;
}

.section-header__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: .75rem;
}

.section-header__sub {
  font-size: .9375rem;
  color: var(--c-text-2);
}

/* ════════════════════════════════════════════════════════════
   FEATURES
   ════════════════════════════════════════════════════════════ */
.features { border-top: 1px solid var(--c-border); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--c-border);
  /* Subtle neumorphic shadow */
  box-shadow:
    0 1px 0 rgba(255,255,255,.04) inset,
    var(--shadow-card);
  transition: border-color .25s, transform .25s, box-shadow .25s;
}

.feature-card:hover {
  border-color: var(--c-border-2);
  transform: translateY(-4px);
  box-shadow:
    0 1px 0 rgba(255,255,255,.05) inset,
    var(--shadow-hover);
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: .875rem;
  background: var(--ib, rgba(255,255,255,.08));
  color: var(--ic, var(--c-text));
  border: 1px solid rgba(255,255,255,.07);
  margin-bottom: 1.25rem;
  /* Inner glow matching icon color */
  box-shadow: 0 0 20px var(--ib, transparent);
}

.feature-card h3 {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: .5rem;
  letter-spacing: -.025em;
}

.feature-card p {
  font-size: .84375rem;
  color: var(--c-text-2);
  line-height: 1.7;
}

/* ════════════════════════════════════════════════════════════
   IMPORT / DROP ZONE
   ════════════════════════════════════════════════════════════ */
.import-section { border-top: 1px solid var(--c-border); }

.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .875rem;
  max-width: 600px;
  margin: 0 auto;
  padding: 5rem 3rem;
  border-radius: var(--radius-xl);
  border: 1.5px dashed rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  cursor: pointer;
  text-align: center;
  transition: all .25s ease;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: rgba(0,229,120,.4);
  background: rgba(0,229,120,.03);
  box-shadow:
    0 0 80px rgba(0,229,120,.06) inset,
    0 0 0 1px rgba(0,229,120,.15);
  transform: scale(1.005);
}

.drop-zone__icon {
  color: var(--c-green);
  opacity: .7;
  transition: opacity .2s, transform .2s;
}

.drop-zone:hover .drop-zone__icon {
  opacity: 1;
  transform: translateY(-4px);
}

.drop-zone__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -.02em;
}

.drop-zone__sub {
  font-size: .84375rem;
  color: var(--c-text-3);
}

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--c-border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer__brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--c-text);
  margin-bottom: .375rem;
}

.footer__brand em {
  font-style: normal;
  color: var(--c-green);
}

.footer__sub {
  font-size: .8125rem;
  color: var(--c-text-3);
}

/* ════════════════════════════════════════════════════════════
   MAP OVERRIDES (Leaflet)
   ════════════════════════════════════════════════════════════ */
.leaflet-container {
  background: var(--c-bg) !important;
  font-family: var(--font) !important;
}

.leaflet-popup-content-wrapper {
  background: #161929 !important;
  border: 1px solid var(--c-border-2) !important;
  border-radius: 12px !important;
  color: var(--c-text) !important;
  box-shadow: 0 24px 60px rgba(0,0,0,.7), 0 4px 16px rgba(0,0,0,.5) !important;
  backdrop-filter: blur(20px) !important;
}

.leaflet-popup-content-wrapper p { margin: 0; }
.leaflet-popup-tip { background: #161929 !important; }
.leaflet-popup-close-button { color: var(--c-text-3) !important; top: 10px !important; right: 12px !important; }

.leaflet-control-zoom a {
  background: #161929 !important;
  color: var(--c-text-2) !important;
  border-color: var(--c-border) !important;
  transition: all .15s !important;
}

.leaflet-control-zoom a:hover {
  background: var(--c-green-dim) !important;
  color: var(--c-green) !important;
}

.leaflet-bar {
  border: 1px solid var(--c-border) !important;
  border-radius: 10px !important;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.5) !important;
}

.leaflet-bar a:first-child { border-radius: 9px 9px 0 0 !important; }
.leaflet-bar a:last-child  { border-radius: 0 0 9px 9px !important; border-bottom: none !important; }

.leaflet-attribution-flag { display: none !important; }
.leaflet-control-attribution {
  background: rgba(7,8,15,.85) !important;
  color: var(--c-text-3) !important;
  border-radius: 6px !important;
  font-size: 10px !important;
  backdrop-filter: blur(8px) !important;
}

/* ════════════════════════════════════════════════════════════
   TOAST
   ════════════════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .75rem 1.25rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-text);
  background: rgba(20, 23, 40, .9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--c-border-2);
  border-radius: .875rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 4px 12px rgba(0,0,0,.4);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  /* Spring-like bounce */
  transition:
    transform .45s cubic-bezier(.34, 1.56, .64, 1),
    opacity   .25s ease;
}

.toast svg { color: var(--c-green); flex-shrink: 0; }

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ════════════════════════════════════════════════════════════
   MAP EMPTY STATE
   ════════════════════════════════════════════════════════════ */
.map-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .875rem;
  color: var(--c-text-3);
  pointer-events: none;
}

.map-empty svg { opacity: .3; }
.map-empty p   { font-size: .875rem; }

/* ════════════════════════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════════════════════════ */

/* Entrance animations on load */
.anim-fade {
  animation: fade-in .7s ease both;
}

.anim-up {
  animation: slide-up .75s cubic-bezier(.16, 1, .3, 1) both;
  animation-delay: var(--d, 0s);
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal: elements get .revealed class via JS */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  .65s cubic-bezier(.16, 1, .3, 1),
    transform .65s cubic-bezier(.16, 1, .3, 1);
  transition-delay: calc(var(--ri, 0) * .07s);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Legend hidden helper */
[hidden] { display: none !important; }

/* ════════════════════════════════════════════════════════════
   TRACK HOVER TOOLTIP
   ════════════════════════════════════════════════════════════ */
.track-tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  background: rgba(14, 16, 32, 0.94);
  border: 1px solid var(--c-border-2);
  border-radius: 12px;
  padding: 10px 14px;
  min-width: 156px;
  box-shadow:
    0 8px 32px rgba(0,0,0,.55),
    inset 0 1px 0 rgba(255,255,255,.06);
  font-family: var(--font);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.tt-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
}

.tt-row + .tt-row {
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px solid var(--c-border);
}

.tt-label {
  font-size: 9px;
  color: var(--c-text-3);
  text-transform: uppercase;
  letter-spacing: .09em;
  font-weight: 700;
  white-space: nowrap;
}

.tt-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}

.tt-val--red { color: var(--c-red); }
.tt-val--dim { font-size: 11px; color: var(--c-text-2); font-weight: 500; }

/* ════════════════════════════════════════════════════════════
   AUTHENTICATION MODAL
   ════════════════════════════════════════════════════════════ */
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.auth-modal.show { opacity: 1; pointer-events: auto; }
.auth-modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.7); }

.auth-modal__box {
  position: relative;
  z-index: 1;
  background: var(--c-surface);
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter: blur(20px);
}

.auth-modal h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--c-text);
}

.auth-modal p {
  font-size: .875rem;
  color: var(--c-text-2);
  margin-bottom: 1.5rem;
}

.auth-modal__input {
  width: 100%;
  padding: .75rem 1rem;
  font-size: .9375rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--c-border);
  border-radius: .6rem;
  color: var(--c-text);
  font-family: var(--font);
  margin-bottom: 1rem;
  transition: border-color .15s, background .15s;
}

.auth-modal__input:focus {
  outline: none;
  border-color: var(--c-green);
  background: rgba(255,255,255,.06);
}

.auth-modal__error {
  font-size: .75rem;
  color: var(--c-red);
  margin-bottom: 1rem;
  display: none;
}

.auth-modal__error.show { display: block; }

.auth-modal__actions {
  display: flex;
  gap: .75rem;
}

.auth-modal__actions button {
  flex: 1;
}

/* ════════════════════════════════════════════════════════════
   ACTIVITIES SECTION
   ════════════════════════════════════════════════════════════ */
.activities-section {
  border-top: 1px solid var(--c-border);
  padding-top: 3rem;
}

.activity-filters {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  justify-content: center;
}

.filter-pill {
  padding: .5rem 1rem;
  border-radius: 100px;
  font-size: .8125rem;
  font-weight: 500;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-text-2);
  cursor: pointer;
  transition: all .15s;
}

.filter-pill:hover {
  border-color: var(--c-border-2);
  background: rgba(255,255,255,.04);
  color: var(--c-text);
}

.filter-pill.active {
  background: var(--c-green-dim);
  border-color: rgba(0,229,120,.3);
  color: var(--c-green);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .activities-grid { grid-template-columns: 1fr; }
}

.activity-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.activity-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}

.activity-type-badge {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .35rem .65rem;
  border-radius: .5rem;
  background: var(--c-green-dim);
  color: var(--c-green);
  display: inline-block;
}

.activity-type-badge.running { background: rgba(96,165,250,.12); color: var(--c-blue); }
.activity-type-badge.hiking { background: rgba(251,146,60,.12); color: var(--c-orange); }
.activity-type-badge.cycling { background: rgba(192,132,252,.12); color: var(--c-purple); }
.activity-type-badge.other { background: rgba(255,255,255,.08); color: var(--c-text-2); }

.activity-card__date {
  font-size: .75rem;
  color: var(--c-text-3);
  white-space: nowrap;
}

.activity-card__name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: .875rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card__stats {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  font-size: .8125rem;
  color: var(--c-text-2);
  margin-bottom: 1.25rem;
  flex: 1;
}

.activity-card__stats span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-text);
}

.activity-card__stats span::before {
  content: '→ ';
  color: var(--c-text-3);
  font-weight: 400;
}

.activity-card__actions {
  display: flex;
  gap: .5rem;
}

.activity-card__actions button {
  flex: 1;
}

/* ════════════════════════════════════════════════════════════
   MAP OVERLAY STATS
   ════════════════════════════════════════════════════════════ */
.map-overlay-stats {
  position: absolute;
  bottom: 2rem;
  left: 1rem;
  z-index: 500;
  background: rgba(7, 8, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--c-border-2);
  border-radius: 0.875rem;
  padding: 0.875rem 1rem;
  min-width: 160px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}

.mos-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
}

.mos-row + .mos-row {
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--c-border);
}

.mos-label {
  color: var(--c-text-3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.65rem;
  white-space: nowrap;
}

.mos-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

/* ════════════════════════════════════════════════════════════
   CHART VALUES DISPLAY
   ════════════════════════════════════════════════════════════ */
.chart-values {
  display: flex;
  gap: 1.5rem;
  padding: 0.75rem 0.5rem 0;
  font-size: 0.75rem;
  flex-wrap: wrap;
}

.cv-item {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.cv-label {
  color: var(--c-text-3);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  white-space: nowrap;
}

.cv-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

.cv-unit {
  color: var(--c-text-3);
  font-size: 0.65rem;
  font-weight: 400;
}