/* ============================================================
   GeoatlasDV - Base / reset / typography
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }
::selection { background: var(--accent-wash); }
input::placeholder, textarea::placeholder { color: var(--ink-3); }

/* Focus ring - editorial, not boxy */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Scrollbars */
.rail::-webkit-scrollbar, .datapeek__scroll::-webkit-scrollbar { width: 10px; height: 10px; }
.rail::-webkit-scrollbar-thumb, .datapeek__scroll::-webkit-scrollbar-thumb {
  background: var(--hair-2); border-radius: 999px; border: 3px solid var(--paper);
}

/* Hairline rules */
.rule { height: 1px; background: var(--hair); border: 0; margin: var(--sp-5) 0; }
.rule--double {
  height: 4px; margin: 0;
  background:
    linear-gradient(var(--ink), var(--ink)) top/100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom/100% 1px no-repeat;
  background-color: transparent;
  opacity: .9;
}

/* --- Buttons --- */
.btn {
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform var(--dur-1) var(--ease), background var(--dur-1), color var(--dur-1), box-shadow var(--dur-1);
}
.btn:active { transform: translateY(1px); }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--accent-ink); }
.btn--ghost { background: transparent; color: var(--ink-2); }
.btn--ghost:hover { color: var(--ink); background: var(--panel-2); }
.btn--outline { background: var(--panel); color: var(--ink); border-color: var(--hair-2); }
.btn--outline:hover { border-color: var(--ink); }
.btn--block { width: 100%; margin-top: var(--sp-3); }

/* --- Form fields --- */
.field {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color var(--dur-1);
}
.field:hover { border-color: var(--ink-3); }
.field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
select.field { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%235B554A' stroke-width='1.5'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 30px;
}
.field--area { min-height: 132px; resize: vertical; font-family: var(--mono); font-size: 12.5px; line-height: 1.55; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(12px);
  background: var(--ink); color: #fff;
  padding: 12px 22px; border-radius: var(--r-pill); max-width: min(520px, 92vw); text-align: center;
  font-size: 13px; font-weight: 600; box-shadow: var(--sh-2);
  opacity: 0; pointer-events: none; transition: opacity var(--dur-2), transform var(--dur-2) var(--ease);
  z-index: 60;
}
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}