/* Web development hub — need finder, directory, six-layer stack, platform table */

/* ---------- need finder ---------- */
.wd-find { display: grid; gap: 26px; padding: clamp(20px, 3vw, 34px); border-radius: var(--r-lg); border: 1px solid var(--line-2); background: radial-gradient(90% 120% at 0% 0%, rgba(var(--accent-rgb), 0.14), transparent 60%), rgba(8, 14, 40, 0.6); }
.wd-find-step { display: grid; gap: 14px; }
.wd-find-step[hidden] { display: none; }
.wd-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.wd-tile { display: grid; justify-items: start; gap: 6px; padding: 20px; text-align: left; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); transition: border-color 0.3s, background 0.3s, transform 0.45s var(--ease), box-shadow 0.45s var(--ease); }
.wd-tile .sv-code { margin-bottom: 10px; }
.wd-tile strong { font-size: 17px; letter-spacing: -0.02em; }
.wd-tile em { font-style: normal; font-size: 13.5px; color: var(--muted); }
.wd-tile:hover { border-color: var(--line-2); transform: translateY(-3px); }
.wd-tile[aria-pressed="true"] { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.12); box-shadow: 0 18px 40px -20px rgba(var(--accent-rgb), 0.9); }
.wd-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.wd-chips .chip { height: 40px; padding: 0 16px; font-size: 14.5px; }
.wd-chips .chip.is-on { color: var(--bg); background: var(--mint); border-color: var(--mint); }
.wd-find-out { min-height: 92px; }
.wd-find-idle { font-size: 13px; color: var(--dim); padding: 16px 0; }
.wd-result { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 20px 22px; border-radius: var(--r); border: 1px solid rgba(87, 242, 176, 0.5); background: rgba(87, 242, 176, 0.06); animation: wd-pop 0.55s var(--ease); }
.wd-result strong { display: block; font-size: 20px; letter-spacing: -0.02em; margin: 4px 0; }
.wd-result p { color: var(--muted); font-size: 15px; }
.wd-result .mono-label { color: var(--mint); font-size: 11.5px; }
.wd-result-go { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--mint); color: var(--bg); font-size: 18px; transition: transform 0.35s var(--ease); }
.wd-result:hover .wd-result-go { transform: translateX(4px); }
.wd-also { margin-top: 12px; font-size: 14px; color: var(--dim); }
.wd-also a { color: var(--cyan); margin-left: 6px; }
.wd-also a:hover { color: var(--text); }
@keyframes wd-pop { from { opacity: 0; transform: translateY(10px) scale(0.98); } to { opacity: 1; transform: none; } }
.wd-find-nojs { display: none; color: var(--muted); }
html:not(.js) .wd-find-step, html:not(.js) .wd-find-out { display: none; }
html:not(.js) .wd-find-nojs { display: block; }
@media (max-width: 960px) { .wd-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) {
  .wd-tiles { grid-template-columns: 1fr; }
  .wd-result { grid-template-columns: 1fr; }
  .wd-result-go { display: none; }
}

/* ---------- directory ---------- */
.wd-dir { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(14px, 2vw, 22px); }
.wd-group { padding: clamp(20px, 2.6vw, 30px); border-radius: var(--r-lg); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(20, 32, 78, 0.45), rgba(10, 18, 48, 0.45)); }
.wd-group-head { margin-bottom: 18px; }
.wd-group-head h3 { font-size: clamp(22px, 2vw, 26px); letter-spacing: -0.03em; margin: 8px 0 6px; }
.wd-group-head p { color: var(--muted); font-size: 15px; }
.wd-list { display: grid; gap: 4px; }
.wd-svc { display: flex; gap: 14px; align-items: center; padding: 10px 12px; border-radius: 12px; transition: background 0.3s, transform 0.4s var(--ease); }
.wd-svc strong { display: block; font-size: 15.5px; letter-spacing: -0.01em; font-weight: 600; }
.wd-svc em { display: block; font-style: normal; font-size: 13.5px; color: var(--muted); }
.wd-svc .sv-code { flex: none; min-width: 46px; }
a.wd-svc:hover { background: rgba(var(--accent-rgb), 0.1); transform: translateX(4px); }
a.wd-svc:hover .sv-code { background: rgba(var(--accent-rgb), 0.34); color: #fff; }
.wd-svc.is-here { border: 1px dashed var(--line-2); }
.wd-svc.is-here em { color: var(--mint); }
@media (max-width: 900px) { .wd-dir { grid-template-columns: 1fr; } }

/* ---------- six layers ---------- */
.wd-layers { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.wd-stack3d { position: relative; height: 440px; perspective: 1500px; }
.wd-plates { position: absolute; left: 50%; top: 64%; width: 250px; height: 250px; margin: -125px 0 0 -125px; transform-style: preserve-3d; transform: rotateX(58deg) rotateZ(-40deg); }
.wd-plate { position: absolute; inset: 0; border-radius: 22px; border: 1px solid rgba(150, 172, 255, 0.34); background: linear-gradient(135deg, rgba(30, 48, 112, 0.82), rgba(8, 14, 40, 0.86)); transform: translateZ(calc(var(--i) * 38px)); transition: transform 0.7s var(--ease), border-color 0.4s, box-shadow 0.6s var(--ease), background 0.5s; }
.wd-plate::before { content: ""; position: absolute; inset: 18px; border-radius: 14px; border: 1px dashed rgba(150, 172, 255, 0.18); }
.wd-plate b { position: absolute; left: 22px; bottom: 18px; font-family: var(--f-mono); font-size: 18px; font-weight: 500; letter-spacing: 0.12em; color: rgba(190, 205, 255, 0.55); transition: color 0.4s; }
.wd-plate.is-on { transform: translateZ(calc(var(--i) * 38px + 46px)); border-color: var(--cyan); background: linear-gradient(135deg, rgba(40, 90, 200, 0.85), rgba(10, 30, 80, 0.9)); box-shadow: 0 0 60px rgba(70, 225, 255, 0.35); }
.wd-plate.is-on b { color: #fff; }
.wd-layer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.wd-layer { border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); transition: border-color 0.35s, background 0.35s; }
.wd-layer.is-on { border-color: rgba(70, 225, 255, 0.55); background: rgba(70, 225, 255, 0.05); }
.wd-layer-btn { width: 100%; display: flex; align-items: center; gap: 14px; padding: 16px 18px; text-align: left; font-size: 17px; letter-spacing: -0.015em; }
.wd-layer-btn strong { font-weight: 600; }
.wd-layer-detail { display: grid; gap: 8px; padding: 0 18px 18px 78px; }
.wd-layer-detail p { color: var(--muted); font-size: 15px; }
.wd-layer-detail .mono { font-size: 12px; color: var(--cyan); letter-spacing: 0.02em; }
html.js .wd-layer:not(.is-on) .wd-layer-detail { display: none; }
@media (max-width: 960px) {
  .wd-layers { grid-template-columns: 1fr; }
  .wd-stack3d { height: 330px; }
  .wd-plates { width: 190px; height: 190px; margin: -95px 0 0 -95px; }
  .wd-plate { transform: translateZ(calc(var(--i) * 22px)); }
  .wd-plate.is-on { transform: translateZ(calc(var(--i) * 22px + 34px)); }
}
@media (max-width: 480px) { .wd-layer-detail { padding-left: 18px; } }

/* ---------- platform table ---------- */
.wd-plat { position: relative; overflow-x: auto; border: 1px solid var(--line-2); border-radius: var(--r-lg); background: linear-gradient(180deg, rgba(14, 24, 64, 0.55), rgba(7, 13, 36, 0.55)); }
.wd-plat:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.wd-plat table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 15px; }
.wd-plat th, .wd-plat td { padding: 18px 20px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.5; }
.wd-plat tbody tr:last-child th, .wd-plat tbody tr:last-child td { border-bottom: 0; }
.wd-plat thead th { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.wd-plat tbody th { white-space: nowrap; font-weight: 600; }
.wd-plat tbody th .sv-code { margin-right: 12px; }
.wd-plat td { color: var(--muted); }
.wd-plat td:nth-child(3) { color: #ffd9a0; }
.wd-plat td a { white-space: nowrap; font-weight: 600; color: var(--cyan); }
.wd-plat td a:hover { color: var(--text); }
.wd-plat tbody tr { transition: background 0.3s; }
.wd-plat tbody tr:hover { background: rgba(var(--accent-rgb), 0.06); }

/* ---------- day theme ---------- */
html[data-theme="light"] .wd-find { background: radial-gradient(90% 120% at 0% 0%, rgba(var(--accent-rgb), 0.08), transparent 60%), #fff; box-shadow: 0 18px 44px -28px rgba(20, 40, 110, 0.35); }
html[data-theme="light"] .wd-tile { background: var(--bg); }
html[data-theme="light"] .wd-tile:hover { background: #fff; box-shadow: 0 14px 30px -22px rgba(20, 40, 110, 0.4); }
html[data-theme="light"] .wd-tile[aria-pressed="true"] { background: rgba(var(--accent-rgb), 0.07); box-shadow: 0 16px 34px -20px rgba(var(--accent-rgb), 0.55); }
html[data-theme="light"] .wd-chips .chip { background: #fff; }
html[data-theme="light"] .wd-chips .chip:hover { background: rgba(var(--accent-rgb), 0.08); }
html[data-theme="light"] .wd-chips .chip.is-on { color: #fff; background: var(--mint); }
html[data-theme="light"] .wd-result { border-color: rgba(11, 149, 102, 0.45); background: rgba(11, 149, 102, 0.06); }
html[data-theme="light"] .wd-result-go { color: #fff; }
html[data-theme="light"] .wd-group { background: #fff; box-shadow: 0 18px 44px -30px rgba(20, 40, 110, 0.35); }
html[data-theme="light"] a.wd-svc:hover .sv-code { background: var(--accent); color: #fff; }
html[data-theme="light"] .wd-layer { background: #fff; }
html[data-theme="light"] .wd-layer.is-on { border-color: rgba(10, 143, 179, 0.5); background: rgba(10, 143, 179, 0.05); box-shadow: 0 14px 30px -22px rgba(10, 143, 179, 0.5); }
html[data-theme="light"] .wd-plate.is-on { box-shadow: 0 0 50px rgba(52, 97, 240, 0.35); }
html[data-theme="light"] .wd-plat { background: #fff; box-shadow: 0 18px 44px -30px rgba(20, 40, 110, 0.35); }
html[data-theme="light"] .wd-plat td:nth-child(3) { color: #9a5a06; }