V2

style.css

@@ -1,488 +1,270 @@
+/* Color-blind–safe palette */
+:root {
+  --bg: #0b1020;
+  --ink: #eaf0ff;
+  --muted: #a6b0d4;
+  --card: #121933;
+  --accent: #0072b2; /* blue */
+  --accent2: #56b4e9; /* sky blue */
 
+  /* Status colors */
+  --ok: #009e73; /* bluish green */
+  --warn: #f0e442; /* yellow */
+  --no: #d55e00; /* vermillion */
 
-      /* Color-blind–safe palette */
-      :root {
-        --bg: #0b1020;
-        --ink: #eaf0ff;
-        --muted: #a6b0d4;
-        --card: #121933;
-        --accent: #0072b2; /* blue */
-        --accent2: #56b4e9; /* sky blue */
+  --br: 14px;
+}
+* { box-sizing: border-box; }
+body {
+  margin: 0;
+  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
+  color: var(--ink);
+  background: radial-gradient(900px 500px at 20% -10%, #1b2656, transparent 60%) no-repeat, var(--bg);
+}
+header { padding: 22px 16px 8px; text-align: center; }
+h1 { margin: 0 0 4px; font-size: clamp(20px, 2.2vw, 30px); font-weight: 800; }
+header p { margin: 0; color: var(--muted); }
+.wrap { max-width: 980px; margin: 14px auto 80px; padding: 0 14px; }
+.card {
+  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
+  border: 1px solid rgba(255,255,255,0.1);
+  border-radius: var(--br);
+  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
+}
+.section {
+  padding: 16px;
+  border-bottom: 1px dashed rgba(255,255,255,0.08);
+  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
+  will-change: transform, box-shadow;
+}
+.section:last-child { border-bottom: 0; }
+.card .section:hover, .card .section:focus-within {
+  background: linear-gradient(180deg, rgba(22,30,60,0.92), rgba(18,26,52,0.92));
+  border-color: rgba(86,180,233,0.35);
+  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
+  transform: translateY(-1px);
+}
 
-        /* Status colors */
-        --ok: #009e73; /* bluish green */
-        --warn: #f0e442; /* yellow */
-        --no: #d55e00; /* vermillion */
+/* sticky nav */
+.topnav {
+  position: sticky; top: 0; z-index: 5;
+  background: rgba(11,16,32,0.7); backdrop-filter: blur(8px); padding: 10px 14px;
+}
+.toprow { display: flex; align-items: center; gap: 10px; }
+.progress { height: 10px; border-radius: 999px; background: #17224a; overflow: hidden; border: 1px solid rgba(255,255,255,0.12); flex: 1; }
+.progress > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--ok)); transition: width 0.6s ease; }
+.clear {
+  margin-left: auto; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.06);
+  color: #fff; border-radius: 10px; padding: 8px 12px; cursor: pointer; transition: transform 0.15s ease, background 0.15s ease;
+}
+.clear:hover { background: rgba(255,255,255,0.12); transform: translateY(-1px); }
 
-        --br: 14px;
-      }
-      * {
-        box-sizing: border-box;
-      }
-      body {
-        margin: 0;
-        font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial,
-          sans-serif;
-        color: var(--ink);
-        background: radial-gradient(
-              900px 500px at 20% -10%,
-              #1b2656,
-              transparent 60%
-            )
-            no-repeat,
-          var(--bg);
-      }
-      header {
-        padding: 22px 16px 8px;
-        text-align: center;
-      }
-      h1 {
-        margin: 0 0 4px;
-        font-size: clamp(20px, 2.2vw, 30px);
-        font-weight: 800;
-      }
-      header p {
-        margin: 0;
-        color: var(--muted);
-      }
-      .wrap {
-        max-width: 980px;
-        margin: 14px auto 80px;
-        padding: 0 14px;
-      }
-      .card {
-        background: linear-gradient(
-          180deg,
-          rgba(255, 255, 255, 0.04),
-          rgba(255, 255, 255, 0.02)
-        );
-        border: 1px solid rgba(255, 255, 255, 0.1);
-        border-radius: var(--br);
-        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
-      }
-      .section {
-        padding: 16px;
-        border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
-        transition: background 0.2s ease, border-color 0.2s ease,
-          box-shadow 0.2s ease, transform 0.2s ease;
-        will-change: transform, box-shadow;
-      }
-      .section:last-child {
-        border-bottom: 0;
-      }
-      /* Hover highlight for any top-level section */
-      .card .section:hover,
-      .card .section:focus-within {
-        background: linear-gradient(
-          180deg,
-          rgba(22, 30, 60, 0.92),
-          rgba(18, 26, 52, 0.92)
-        );
-        border-color: rgba(86, 180, 233, 0.35);
-        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
-        transform: translateY(-1px);
-      }
+.graph { display: flex; gap: 8px; justify-content: center; margin-top: 10px; flex-wrap: wrap; }
+.dot {
+  position: relative; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
+  background: #101a3f; border: 1px solid rgba(255,255,255,0.18); color: #cfe0ff; font-weight: 800; opacity: 0.45;
+  transition: 0.2s; will-change: transform, box-shadow;
+}
+.dot.unlocked { opacity: 1; cursor: pointer; }
+.dot.active { outline: 2px solid var(--accent); }
+.dot.unlocked:hover { transform: translateY(-2px) scale(1.05); border-color: var(--accent2); box-shadow: 0 6px 18px rgba(0,0,0,0.35); }
+.dot.done { background: var(--ok); color: #ffffff; border-color: transparent; }
+.dot.done::after { content: "✓"; position: absolute; right: -4px; bottom: -6px; font-size: 12px; background: var(--ok); color: #fff; border-radius: 6px; padding: 0 3px; }
 
-      /* sticky nav */
-      .topnav {
-        position: sticky;
-        top: 0;
-        z-index: 5;
-        background: rgba(11, 16, 32, 0.7);
-        backdrop-filter: blur(8px);
-        padding: 10px 14px;
-      }
-      .toprow {
-        display: flex;
-        align-items: center;
-        gap: 10px;
-      }
-      .progress {
-        height: 10px;
-        border-radius: 999px;
-        background: #17224a;
-        overflow: hidden;
-        border: 1px solid rgba(255, 255, 255, 0.12);
-        flex: 1;
-      }
-      .progress > span {
-        display: block;
-        height: 100%;
-        width: 0;
-        background: linear-gradient(90deg, var(--ok));
-        transition: width 0.6s ease;
-      }
-      .clear {
-        margin-left: auto;
-        border: 1px solid rgba(255, 255, 255, 0.2);
-        background: rgba(255, 255, 255, 0.06);
-        color: #fff;
-        border-radius: 10px;
-        padding: 8px 12px;
-        cursor: pointer;
-        transition: transform 0.15s ease, background 0.15s ease;
-      }
-      .clear:hover {
-        background: rgba(255, 255, 255, 0.12);
-        transform: translateY(-1px);
-      }
-      .graph {
-        display: flex;
-        gap: 8px;
-        justify-content: center;
-        margin-top: 10px;
-        flex-wrap: wrap;
-      }
-      .dot {
-        position: relative;
-        display: grid;
-        place-items: center;
-        width: 28px;
-        height: 28px;
-        border-radius: 50%;
-        background: #101a3f;
-        border: 1px solid rgba(255, 255, 255, 0.18);
-        color: #cfe0ff;
-        font-weight: 800;
-        opacity: 0.45;
-        transition: 0.2s;
-        will-change: transform, box-shadow;
-      }
-      .dot.unlocked {
-        opacity: 1;
-        cursor: pointer;
-      }
-      .dot.active {
-        outline: 2px solid var(--accent);
-      }
-      .dot.unlocked:hover {
-        transform: translateY(-2px) scale(1.05);
-        border-color: var(--accent2);
-        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
-      }
-      .dot.done {
-        background: var(--ok);
-        color: #ffffff;
-        border-color: transparent;
-      }
-      .dot.done::after {
-        content: "✓";
-        position: absolute;
-        right: -4px;
-        bottom: -6px;
-        font-size: 12px;
-        background: var(--ok);
-        color: #fff;
-        border-radius: 6px;
-        padding: 0 3px;
-      }
+/* purpose */
+.purpose {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+  gap: 10px;
+}
+.option {
+  padding: 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.02);
+  cursor: pointer; user-select: none; transition: 0.2s transform, 0.2s border-color, 0.2s background, box-shadow 0.2s ease;
+}
+.option:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.22); box-shadow: 0 10px 26px rgba(0,0,0,0.25); }
+.option.active { outline: 2px solid var(--accent); background: rgba(86,180,233,0.12); }
+.option input { display: none; }
+.tag { font-size: 0.75rem; padding: 2px 8px; color: var(--muted); }
+.gdpr { color: #c6ede2; }
 
-      /* purpose */
-      .purpose {
-        display: grid;
-        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
-        gap: 10px;
-      }
-      .option {
-        padding: 14px;
-        border-radius: 12px;
-        border: 1px solid rgba(255, 255, 255, 0.12);
-        background: rgba(255, 255, 255, 0.02);
-        cursor: pointer;
-        user-select: none;
-        transition: 0.2s transform, 0.2s border-color, 0.2s background,
-          box-shadow 0.2s ease;
-      }
-      .option:hover {
-        transform: translateY(-2px);
-        border-color: rgba(255, 255, 255, 0.22);
-        box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
-      }
-      .option.active {
-        outline: 2px solid var(--accent);
-        background: rgba(86, 180, 233, 0.12);
-      }
-      .option input {
-        display: none;
-      }
-      .tag {
-        font-size: 0.75rem;
-        padding: 2px 8px;
-        color: var(--muted);
-      }
-      .gdpr {
-        color: #c6ede2;
-      }
+/* steps */
+.timeline { padding: 10px; }
+.step {
+  margin: 12px 6px; border-radius: 14px; border: 1px solid rgba(255,255,255,0.14);
+  background: linear-gradient(180deg, rgba(16,22,44,0.86), rgba(14,20,38,0.86));
+  overflow: hidden; animation: pop 0.35s ease both;
+  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
+  will-change: transform, box-shadow;
+}
+@keyframes pop {
+  from { opacity: 0; transform: translateY(8px) scale(0.98); }
+  to   { opacity: 1; transform: translateY(0) scale(1); }
+}
+.step:hover, .step:focus-within {
+  transform: translateY(-2px);
+  border-color: rgba(86,180,233,0.35);
+  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
+  background: linear-gradient(180deg, rgba(20,28,56,0.92), rgba(18,26,52,0.92));
+}
+.head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; }
+.title { display: flex; align-items: center; gap: 10px; }
+.num {
+  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
+  background: linear-gradient(180deg, #27336a, #202a56); border: 1px solid rgba(255,255,255,0.18);
+  font-weight: 800; color: #ffffff; transition: background 0.2s ease, border-color 0.2s ease;
+}
+.badge {
+  font-size: 0.85rem; padding: 4px 8px; border-radius: 999px;
+  border: 1px solid rgba(255,255,255,0.12); color: #cde6ff; background: transparent;
+  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
+}
+.step.done { border-color: rgba(0,158,115,0.55); box-shadow: 0 0 0 1px rgba(0,158,115,0.25) inset; }
+.step.done .num { background: var(--ok); border-color: transparent; color: #ffffff; }
+.step.done .badge { background: var(--ok); color: #ffffff; border-color: transparent; }
+.body { padding: 0 16px 14px; }
+.list { list-style: none; margin: 0; padding: 0; }
 
-      /* steps */
-      .timeline {
-        padding: 10px;
-      }
-      .step {
-        margin: 12px 6px;
-        border-radius: 14px;
-        border: 1px solid rgba(255, 255, 255, 0.14);
-        background: linear-gradient(
-          180deg,
-          rgba(16, 22, 44, 0.86),
-          rgba(14, 20, 38, 0.86)
-        );
-        overflow: hidden;
-        animation: pop 0.35s ease both;
-        transition: background 0.2s ease, border-color 0.2s ease,
-          box-shadow 0.2s ease, transform 0.2s ease;
-        will-change: transform, box-shadow;
-      }
-      @keyframes pop {
-        from {
-          opacity: 0;
-          transform: translateY(8px) scale(0.98);
-        }
-        to {
-          opacity: 1;
-          transform: translateY(0) scale(1);
-        }
-      }
-      /* Hover highlight for each step block */
-      .step:hover,
-      .step:focus-within {
-        transform: translateY(-2px);
-        border-color: rgba(86, 180, 233, 0.35);
-        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
-        background: linear-gradient(
-          180deg,
-          rgba(20, 28, 56, 0.92),
-          rgba(18, 26, 52, 0.92)
-        );
-      }
+/* checklist items */
+.li {
+  display: grid; grid-template-columns: 56px 1fr auto; /* unified width to fix alignment */
+  gap: 10px; align-items: flex-start;
+  padding: 10px; border: 1px dashed rgba(255,255,255,0.14); border-radius: 10px; margin: 8px 0;
+  background: rgba(255,255,255,0.02); transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
+  cursor: pointer;
+}
+.li.has-children { position: relative; }
+.li:hover { background: rgba(86,180,233,0.08); border-color: rgba(86,180,233,0.35); transform: translateY(-1px); }
+.letters { font-weight: 700; color: #cbe0ff; width: 56px; } /* same width for parent & child to prevent “jump” */
+.li a { color: var(--accent2); text-decoration: none; }
+.li a:hover { text-decoration: underline; }
+.req { color: var(--no); margin-left: 6px; }
+.opt { color: #a9b6e6; font-size: 0.85rem; }
+.fold { display: none; }
+.toggle {
+  background: transparent; border: 1px solid rgba(255,255,255,0.18); color: #dfe7ff; border-radius: 10px;
+  padding: 6px 10px; cursor: pointer; transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
+}
+.toggle:hover { background: rgba(86,180,233,0.12); transform: translateY(-1px); border-color: rgba(86,180,233,0.35); }
 
-      .head {
-        display: flex;
-        align-items: center;
-        justify-content: space-between;
-        padding: 14px 16px;
-      }
-      .title {
-        display: flex;
-        align-items: center;
-        gap: 10px;
-      }
-      .num {
-        width: 32px;
-        height: 32px;
-        border-radius: 50%;
-        display: grid;
-        place-items: center;
-        background: linear-gradient(180deg, #27336a, #202a56);
-        border: 1px solid rgba(255, 255, 255, 0.18);
-        font-weight: 800;
-        color: #ffffff;
-        transition: background 0.2s ease, border-color 0.2s ease;
-      }
-      .badge {
-        font-size: 0.85rem;
-        padding: 4px 8px;
-        border-radius: 999px;
-        border: 1px solid rgba(255, 255, 255, 0.12);
-        color: #cde6ff;
-        background: transparent;
-        transition: background 0.2s ease, color 0.2s ease,
-          border-color 0.2s ease;
-      }
-      .step.done {
-        border-color: rgba(0, 158, 115, 0.55);
-        box-shadow: 0 0 0 1px rgba(0, 158, 115, 0.25) inset;
-      }
-      .step.done .num {
-        background: var(--ok);
-        border-color: transparent;
-        color: #ffffff;
-      }
-      .step.done .badge {
-        background: var(--ok);
-        color: #ffffff;
-        border-color: transparent;
-      }
-      .body {
-        padding: 0 16px 14px;
-      }
-      .list {
-        list-style: none;
-        margin: 0;
-        padding: 0;
-      }
-      .li {
-        display: grid;
-        grid-template-columns: auto 1fr auto;
-        gap: 10px;
-        align-items: flex-start;
-        padding: 10px;
-        border: 1px dashed rgba(255, 255, 255, 0.14);
-        border-radius: 10px;
-        margin: 8px 0;
-        background: rgba(255, 255, 255, 0.02);
-        transition: background 0.15s ease, border-color 0.15s ease,
-          transform 0.15s ease;
-        cursor: pointer;
-      }
-      .li:hover {
-        background: rgba(86, 180, 233, 0.08);
-        border-color: rgba(86, 180, 233, 0.35);
-        transform: translateY(-1px);
-      }
-      .letters {
-        font-weight: 700;
-        color: #cbe0ff;
-        width: 24px;
-      }
-      .li a {
-        color: var(--accent2);
-        text-decoration: none;
-      }
-      .li a:hover {
-        text-decoration: underline;
-      }
-      .req {
-        color: var(--no);
-        margin-left: 6px;
-      }
-      .opt {
-        color: #a9b6e6;
-        font-size: 0.85rem;
-      }
-      .fold {
-        display: none;
-      }
-      .toggle {
-        background: transparent;
-        border: 1px solid rgba(255, 255, 255, 0.18);
-        color: #dfe7ff;
-        border-radius: 10px;
-        padding: 6px 10px;
-        cursor: pointer;
-        transition: background 0.15s ease, transform 0.15s ease,
-          border-color 0.15s ease;
-      }
-      .toggle:hover {
-        background: rgba(86, 180, 233, 0.12);
-        transform: translateY(-1px);
-        border-color: rgba(86, 180, 233, 0.35);
-      }
+/* sublist (conditional children) */
+.sublist {
+  list-style: none;
+  padding-left: 24px;      /* consistent indent */
+  margin: 6px 0 0 0;
+  border-left: 2px dashed rgba(255,255,255,0.12);
+}
+.subitem { background: rgba(255,255,255,0.015); }
+/* use same .letters width to prevent left shift */
+.subitem .letters { width: 56px; color: #d6e4ff; }
 
-      /* animated checkbox */
-      .chk {
-        position: absolute;
-        opacity: 0;
-      }
-      .box {
-        width: 22px;
-        height: 22px;
-        border-radius: 6px;
-        border: 1px solid rgba(255, 255, 255, 0.22);
-        background: #0f1533;
-      }
-      .tick {
-        stroke: #cfe0ff;
-        stroke-width: 3;
-        fill: none;
-        stroke-dasharray: 30;
-        stroke-dashoffset: 30;
-        transition: stroke-dashoffset 0.32s ease;
-      }
-      .chk:checked + .box {
-        background: #1e396e;
-        border-color: var(--accent);
-      }
-      .chk:checked + .box .tick {
-        stroke-dashoffset: 0;
-      }
+/* animated checkbox */
+.chk { position: absolute; opacity: 0; }
+.box { width: 22px; height: 22px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.22); background: #0f1533; }
+.tick { stroke: #cfe0ff; stroke-width: 3; fill: none; stroke-dasharray: 30; stroke-dashoffset: 30; transition: stroke-dashoffset 0.32s ease; }
+.chk:checked + .box { background: #1e396e; border-color: var(--accent); }
+.chk:checked + .box .tick { stroke-dashoffset: 0; }
 
-      .tiny {
-        font-size: 0.82rem;
-        color: var(--muted);
-      }
-      .center {
-        display: grid;
-        place-items: center;
-      }
-      .hidden {
-        display: none !important;
-      }
+.tiny { font-size: 0.82rem; color: var(--muted); }
+.center { display: grid; place-items: center; }
+.hidden { display: none !important; }
 
-      /* flow buttons */
-      .flow {
-        position: fixed;
-        left: 50%;
-        transform: translateX(-50%);
-        bottom: 16px;
-        width: min(960px, 92vw);
-        background: #0f1533;
-        border: 1px solid rgba(255, 255, 255, 0.14);
-        border-radius: 14px;
-        padding: 10px 12px;
-        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
-      }
-      .q {
-        display: flex;
-        align-items: center;
-        justify-content: space-between;
-        gap: 12px;
-        flex-wrap: wrap;
-      }
-      .q strong {
-        font-size: 1rem;
-      }
-      .btns {
-        display: flex;
-        gap: 10px;
-      }
-      .cta {
-        font-weight: 800;
-        border-radius: 12px;
-        border: 1px solid rgba(255, 255, 255, 0.2);
-        padding: 12px 16px;
-        cursor: pointer;
-        transition: transform 0.15s ease, filter 0.15s ease;
-      }
-      .cta:hover {
-        transform: translateY(-1px);
-        filter: brightness(1.05);
-      }
-      .cta.y {
-        background: linear-gradient(180deg, var(--ok));
-      }
-      .cta.n {
-        background: linear-gradient(180deg, var(--no));
-      }
+/* flow buttons */
+.flow {
+  position: fixed; left: 50%; transform: translateX(-50%); bottom: 16px;
+  width: min(960px, 92vw); background: #0f1533;
+  border: 1px solid rgba(255,255,255,0.14); border-radius: 14px; padding: 10px 12px;
+  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
+}
+.q { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
+.q strong { font-size: 1rem; }
+.btns { display: flex; gap: 10px; }
+.cta {
+  font-weight: 800; border-radius: 12px; border: 1px solid rgba(255,255,255,0.2);
+  padding: 12px 16px; cursor: pointer; transition: transform 0.15s ease, filter 0.15s ease;
+}
+.cta:hover { transform: translateY(-1px); filter: brightness(1.05); }
+.cta.y { background: linear-gradient(180deg, var(--ok)); }
+.cta.n { background: linear-gradient(180deg, var(--no)); }
 
-      /* finish */
-      .finish {
-        display: none;
-        text-align: center;
-        padding: 18px;
-      }
-      .finish.show {
-        display: block;
-        animation: pop 0.35s ease both;
-        margin-top: 1.1rem;
-      }
-      .confetti {
-        position: relative;
-        height: 0;
-      }
-      .confetti i {
-        position: absolute;
-        width: 8px;
-        height: 14px;
-        background: var(--accent);
-        top: -10px;
-        left: 50%;
-        animation: drop 1.2s ease-out forwards;
-        transform: translateX(-50%);
-      }
-      @keyframes drop {
-        to {
-          top: -90px;
-          transform: translateX(calc(-50% + var(--dx))) rotate(120deg);
-        }
-      }
+/* finish */
+.finish { display: none; text-align: center; padding: 18px; }
+.finish.show { display: block; animation: pop 0.35s ease both; margin-top: 1.1rem; }
+.confetti { position: relative; height: 0; }
+.confetti i {
+  position: absolute; width: 8px; height: 14px; background: var(--accent);
+  top: -10px; left: 50%; animation: drop 1.2s ease-out forwards; transform: translateX(-50%);
+}
+@keyframes drop {
+  to { top: -90px; transform: translateX(calc(-50% + var(--dx))) rotate(120deg); }
+}
+
+/* inline references under checklist labels */
+.refs { font-size: 0.85em; opacity: 0.9; margin-left: 4px; display: inline; }
+.refs a { text-decoration: underline; }
+
+/* tip button + modal (unused now, but styles kept for future) */
+.tipbtn {
+  border: 1px solid rgba(255,255,255,0.18);
+  background: rgba(255,255,255,0.06);
+  color: #fff;
+  border-radius: 10px;
+  padding: 6px 10px;
+  cursor: pointer;
+  transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
+}
+.tipbtn:hover { background: rgba(86,180,233,0.12); transform: translateY(-1px); border-color: rgba(86,180,233,0.35); }
+
+.modal {
+  position: fixed; inset: 0; display: grid; place-items: center;
+  background: rgba(0,0,0,0.45);
+  z-index: 30;
+}
+.modal.hidden { display: none; }
+.modal__backdrop { position: absolute; inset: 0; }
+.modal__card {
+  position: relative;
+  width: min(720px, 92vw);
+  background: #11183a;
+  border: 1px solid rgba(255,255,255,0.18);
+  border-radius: 14px;
+  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
+  padding: 14px 14px 12px;
+  animation: pop 0.25s ease both;
+}
+.modal__head {
+  display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
+.modal__close {
+  border: 1px solid rgba(255,255,255,0.18);
+  background: rgba(255,255,255,0.06);
+  color: #fff;
+  border-radius: 10px;
+  padding: 6px 10px;
+  cursor: pointer;
+}
+.modal__body { padding: 6px 2px 10px; }
+.modal__foot { display: flex; justify-content: flex-end; gap: 8px; }
+.tips { margin: 0; padding-left: 1.1rem; }
+.tips li { margin: 6px 0; }
+
+/*Important: make nested subchecklist span full width & align nicely */
+.li > .sublist {
+  grid-column: 1 / -1;
+
+  margin-left: 56px;
+  padding-left: 18px;
+
+  border-left: 2px dashed rgba(255,255,255,0.12);
+
+  width: auto;
+}
+
+.sublist .li {
+  grid-template-columns: 56px 1fr auto;
+}
+
+@media (max-width: 520px) {
+  .li > .sublist {
+    margin-left: 48px;
+    padding-left: 14px;
+  }
+}