/* Well — one shaft: depth, water line, today's draw. */
:root {
  --ink: #1a3a48; --water: #2a6a88; --stone: #6a7a80; --paper: #e7eef2;
  --disp: "Yrsa", Georgia, serif;
  --ui: "Lato", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--ui); font-size: 17px; line-height: 1.55; }
a { color: var(--water); }
.gv-skip { position: absolute; left: -999px; }
.gv-skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 3; }
.gv-hold { max-width: 900px; margin: 0 auto; padding: 0 18px; }
.gv-lip { background: var(--ink); color: #d5e4ea; }
.gv-brand { font-family: var(--disp); font-size: 1.7rem; color: #d5e4ea; text-decoration: none; display: block; padding-top: 16px; }
.gv-where { margin: 0; font-size: 0.85rem; }
.gv-nav { display: flex; gap: 16px; padding: 10px 0 14px; }
.gv-nav a { color: #d5e4ea; }
.gv-log { display: none; float: right; margin-top: 16px; font: inherit; background: var(--water); color: #fff; border: 0; padding: 8px 12px; }
.gv-shaft { display: none; background: #122830; padding: 8px 18px 14px; }
.gv-shaft[hidden] { display: none; }
.gv-shaft a { display: block; padding: 8px 0; color: #d5e4ea; }
h1, h2, h3 { font-family: var(--disp); line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.gv-block { padding: 36px 0; }
.gv-well { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: stretch; margin: 18px 0; }
.gv-shaftbox { position: relative; border: 3px solid var(--ink); background: #c5d0d4; min-height: 220px; }
.gv-water { position: absolute; left: 0; right: 0; bottom: 0; height: 57%; background: var(--water); }
.gv-wmark { position: absolute; left: 100%; top: 43%; margin-left: 8px; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.gv-read { margin: 0; }
.gv-read > div { padding: 10px 0; border-bottom: 1px solid var(--stone); }
.gv-read dt { font-family: var(--disp); font-size: 1.15rem; }
.gv-read dd { margin: 4px 0 0; }
.gv-aside { background: #fff; border-left: 6px solid var(--water); padding: 14px 16px; }
.gv-prices { width: 100%; border-collapse: collapse; }
.gv-prices th, .gv-prices td { text-align: left; padding: 8px 10px; border-bottom: 1px dashed var(--stone); }
.gv-form { background: #fff; padding: 18px; border: 1px solid var(--ink); }
.gv-f { margin-bottom: 12px; }
.gv-l { display: block; font-weight: 700; }
.gv-in { width: 100%; font: inherit; padding: 8px; border: 1px solid var(--ink); }
.gv-tick { display: grid; grid-template-columns: 22px 1fr; gap: 8px; font-size: 0.88rem; margin: 10px 0; }
.gv-btn { background: var(--water); color: #fff; border: 0; font: inherit; font-weight: 700; padding: 12px 16px; cursor: pointer; width: 100%; }
.gv-form .gv-read { font-weight: 700; border: 0; padding: 0; }
.gv-form .gv-read.is-bad { color: #8e2418; }
.gv-logged { background: #d5e4ea; padding: 16px; }
.gv-foot { background: #1a3a48; color: #d5e4ea; padding: 28px 0; font-size: 0.9rem; }
.gv-foot a { color: #fff; }
.gv-pair { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; }
@media (max-width: 800px) {
  .gv-nav { display: none; }
  .gv-log { display: inline-block; }
  .gv-shaft { display: block; }
  .gv-pair, .gv-well { grid-template-columns: 1fr; }
  .gv-wmark { position: static; margin: 8px; display: block; }
}