@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

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

:root {
  --bg:           #080d18;
  --nav:          #0c1220;
  --surface:      #111827;
  --surface-hi:   #1a2435;
  --surface-hhi:  #213049;
  --border:       rgba(255,255,255,0.07);
  --border-hi:    rgba(255,255,255,0.13);
  --text:         #d8e4f5;
  --text-dim:     #6b7f9e;
  --text-bright:  #f0f6ff;

  --cyan:         #22d3ee;
  --cyan-dim:     rgba(34,211,238,0.10);
  --cyan-mid:     rgba(34,211,238,0.20);
  --cyan-border:  rgba(34,211,238,0.30);
  --cyan-text:    #a5f3fc;

  --violet:       #a78bfa;
  --violet-dim:   rgba(167,139,250,0.10);
  --violet-mid:   rgba(167,139,250,0.22);
  --violet-border:rgba(167,139,250,0.35);
  --violet-text:  #ddd6fe;

  --indigo:       #818cf8;
  --indigo-dim:   rgba(129,140,248,0.12);
  --indigo-mid:   rgba(129,140,248,0.25);
  --indigo-border:rgba(129,140,248,0.40);

  --error:        rgba(239,68,68,0.15);
  --error-border: rgba(239,68,68,0.40);
  --error-text:   #fca5a5;

  --radius:   6px;
  --radius-sm:4px;
  --trans:    140ms ease;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 12px;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Navbar ─────────────────────────────────────────── */
#navbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 14px;
  height: 52px;
  background: var(--nav);
  border-bottom: 1px solid var(--border-hi);
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
  z-index: 1000;
}
#navbar::-webkit-scrollbar { display: none; }

.home-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  color: var(--text-dim);
  flex-shrink: 0;
  transition: background var(--trans), color var(--trans);
}

.home-link:hover {
  color: var(--cyan);
  background: var(--surface-hi);
}

.app-title {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.4px;
  white-space: nowrap;
  color: var(--cyan);
  margin-right: 6px;
  flex-shrink: 0;
}

.nav-sep {
  width: 1px;
  height: 22px;
  background: var(--border-hi);
  margin: 0 5px;
  flex-shrink: 0;
}

.nav-spacer { flex: 1; min-width: 0; }

/* ── Selects ─────────────────────────────────────────── */
select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 0 24px 0 9px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  height: 30px;
  transition: background var(--trans), border-color var(--trans);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b7f9e'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  flex-shrink: 0;
}
select:hover  { background-color: var(--surface-hi); border-color: var(--border-hi); }
select:focus  { outline: none; border-color: var(--border-hi); }

select.ctrl-cyan {
  background-color: var(--cyan-dim);
  border-color: var(--cyan-border);
  color: var(--cyan-text);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2322d3ee'/%3E%3C/svg%3E");
}
select.ctrl-cyan:hover { background-color: var(--cyan-mid); }

/* ── Buttons ─────────────────────────────────────────── */
button {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 0 10px;
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  height: 30px;
  white-space: nowrap;
  transition: background var(--trans), border-color var(--trans), color var(--trans);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}
button:hover { background: var(--surface-hi); }

.btn-group { display: flex; gap: 1px; }
.btn-group button { border-radius: var(--radius-sm); }
.btn-group button:first-child { border-radius: var(--radius) var(--radius-sm) var(--radius-sm) var(--radius); }
.btn-group button:last-child  { border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius-sm); }

/* Cyan group */
.ctrl-cyan button {
  background: var(--cyan-dim);
  border-color: var(--cyan-border);
  color: var(--cyan-text);
}
.ctrl-cyan button:hover  { background: var(--cyan-mid); }
.ctrl-cyan button.active {
  background: var(--cyan-mid);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(34,211,238,0.15);
}

/* Violet group (markers, track) */
.ctrl-violet {
  background: var(--violet-dim);
  border-color: var(--violet-border);
  color: var(--violet-text);
}
.ctrl-violet:hover { background: var(--violet-mid) !important; }
.ctrl-violet.active {
  background: var(--violet-mid) !important;
  border-color: var(--violet) !important;
  color: var(--violet) !important;
  box-shadow: 0 0 10px rgba(167,139,250,0.18) !important;
}

/* Chart button */
#btn-chart {
  background: var(--indigo-dim);
  border-color: var(--indigo-border);
  color: #c7d2fe;
  font-weight: 600;
  padding: 0 14px;
  letter-spacing: 0.2px;
}
#btn-chart:hover {
  background: var(--indigo-mid);
  border-color: var(--indigo);
  box-shadow: 0 0 12px rgba(129,140,248,0.2);
}

.date-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

/* ── Error banner ───────────────────────────────────── */
#error-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  background: var(--error);
  border-bottom: 1px solid var(--error-border);
  color: var(--error-text);
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
  z-index: 1100;
}
#error-close {
  background: none;
  border: none;
  color: var(--error-text);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  height: auto;
  line-height: 1;
  opacity: 0.7;
}
#error-close:hover { opacity: 1; }

/* ── Map container ──────────────────────────────────── */
#map-container {
  flex: 1;
  position: relative;
  min-height: 0;
}

#map {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* ── Tooltip panel ──────────────────────────────────── */
#map-tooltip {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 500;
  background: rgba(8,13,24,0.94);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  padding: 0;
  color: var(--text);
  width: 240px;
  pointer-events: none;
  max-height: calc(100% - 24px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
#map-tooltip.pinned {
  border-color: var(--violet-border);
  pointer-events: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px var(--violet-border);
}
#map-tooltip.hidden { display: none; }

/* ── Loading overlay ─────────────────────────────────── */
#map-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8,13,24,0.5);
  backdrop-filter: blur(2px);
  z-index: 600;
}
#map-loading.hidden { display: none; }

.spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(34,211,238,0.15);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  box-shadow: 0 0 20px rgba(34,211,238,0.2);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Map colorbar ───────────────────────────────────── */
#map-colorbar {
  position: absolute;
  bottom: 24px;
  left: 12px;
  z-index: 500;
  background: rgba(8,13,24,0.88);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 8px;
  padding: 8px 10px 6px;
  width: 140px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#map-colorbar.hidden { display: none; }
.cb-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan-text);
  margin-bottom: 5px;
  text-align: center;
  letter-spacing: 0.2px;
}
.cb-bar {
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(to right,
    rgb(68,1,84), rgb(72,40,120), rgb(62,74,137), rgb(49,104,142),
    rgb(38,130,142), rgb(31,158,137), rgb(53,183,121), rgb(110,206,88),
    rgb(181,222,43), rgb(253,231,37));
  margin-bottom: 4px;
}
.cb-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--text-bright);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  letter-spacing: -0.2px;
}

/* ── Chart modal ────────────────────────────────────── */
#chart-modal {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  height: 50vh;
  background: var(--surface);
  border-top: 1px solid var(--border-hi);
  box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
  z-index: 2001;
  transition: bottom 0.3s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
}
#chart-modal.open { bottom: 0; }

#chart-modal-handle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 40px;
  background: var(--nav);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  user-select: none;
}

#chart-modal-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--indigo);
  letter-spacing: 0.3px;
}

.modal-handle-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

#select-chart-type {
  height: 26px;
  font-size: 11px;
  background-color: var(--surface-hi);
  border-color: var(--border-hi);
  color: var(--indigo);
}
#select-chart-type:hover { background-color: var(--surface-hhi); }

#chart-modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  height: auto;
  line-height: 1;
  transition: color var(--trans);
}
#chart-modal-close:hover { color: var(--text); }

#chart-container {
  flex: 1;
  min-height: 0;
  padding: 10px 16px 14px;
  position: relative;
}

#chart-canvas { width: 100% !important; height: 100% !important; }

/* ── Tooltip table ──────────────────────────────────── */
.tt-head {
  padding: 9px 11px 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tt-body {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hi) transparent;
}

.tt { font-size: 11px; border-collapse: collapse; width: 100%; }
.tt tr { border-bottom: 1px solid var(--border); }
.tt tr:last-child { border-bottom: none; }
.tt td { padding: 3px 11px; }
.tt .tt-section td {
  padding: 5px 11px 3px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: rgba(220,230,245,0.82);
  background: rgba(255,255,255,0.03);
  border-top: 1px solid var(--border-hi);
}
.tt tr.tt-section:first-child td { border-top: none; }
.tt .tt-label { color: var(--text-dim); font-weight: 500; }
.tt .tt-value { text-align: right; font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace; font-size: 10.5px; color: var(--text-bright); letter-spacing: -0.2px; }
.tt .tt-coord { color: var(--cyan-text); }