/* EtOH Withdrawal Tool — mobile-first */
:root {
  --bg: #0b1220;
  --bg-2: #111a2e;
  --bg-3: #1a2540;
  --line: #243049;
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --text-mute: #64748b;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --danger: #f87171;
  --danger-2: #ef4444;
  --ok: #34d399;
  --r: 10px;
  --pad: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.4; -webkit-text-size-adjust: 100%; }
body { padding-bottom: 96px; }

button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent-2); }

/* ---------------- Top bar ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px;
  padding: 10px var(--pad);
}
.topbar .title { font-weight: 700; letter-spacing: .3px; }
.topbar .title .accent { color: var(--accent); }
.topbar .spacer { flex: 1; }
.topbar button {
  background: var(--bg-3); border: 1px solid var(--line); color: var(--text);
  padding: 8px 10px; border-radius: 8px; font-size: 13px;
}
.topbar button.danger { color: var(--danger); border-color: #5a2222; }

/* ---------------- Context bar ---------------- */
.context {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  padding: 10px var(--pad); border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.context .ctx-pill {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 10px; font-size: 12px; color: var(--text-dim);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.context .ctx-pill b { color: var(--text); font-weight: 600; }
.context .ctx-pill button {
  background: transparent; border: 0; color: var(--accent-2); font-size: 12px; padding: 0;
}

/* ---------------- Recommendation ---------------- */
.reco {
  margin: 10px var(--pad); padding: 12px;
  border: 1px solid var(--accent); border-radius: var(--r);
  background: linear-gradient(180deg, rgba(94, 234, 212, .08), rgba(94, 234, 212, .02));
}
.reco .label { font-size: 11px; letter-spacing: 1.5px; color: var(--accent); text-transform: uppercase; }
.reco .title { font-size: 16px; font-weight: 700; margin: 4px 0 6px; }
.reco .why { font-size: 13px; color: var(--text-dim); margin-bottom: 10px; }
.reco .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.reco button {
  background: var(--accent); color: #062c25; border: 0; border-radius: 8px;
  padding: 10px 12px; font-weight: 700; font-size: 14px;
}
.reco button.secondary {
  background: transparent; color: var(--accent); border: 1px solid var(--accent);
}

/* ---------------- Section ---------------- */
section.block { padding: 6px var(--pad) 10px; }
section.block > h2 {
  font-size: 12px; letter-spacing: 1.5px; color: var(--text-mute); text-transform: uppercase;
  margin: 14px 0 8px;
}
.tile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tile {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px; text-align: left; min-height: 76px;
  display: flex; flex-direction: column; justify-content: space-between;
  cursor: pointer; color: inherit;
}
.tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tile.recommended { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(94,234,212,.18); }
.tile .tile-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 6px; }
.tile .name { font-weight: 700; font-size: 14px; }
.tile .sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.tile .last { font-size: 11px; color: var(--accent); margin-top: 6px; font-family: ui-monospace, monospace; }
.tile .tile-pill { font-size: 10px; padding: 2px 6px; text-transform: capitalize; flex-shrink: 0; }
.tile .tile-actions { display: flex; gap: 6px; margin-top: 8px; }
.tile .tile-act {
  background: var(--bg-3); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 6px 8px; font-size: 11px; font-weight: 600;
  flex: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tile .tile-act.primary { background: var(--accent); color: #062c25; border-color: var(--accent); }
.tile.disabled { opacity: .45; }

/* ---------------- Bottom nav ---------------- */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: var(--bg-2); border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(5, 1fr);
  padding: 6px 4px; padding-bottom: max(6px, env(safe-area-inset-bottom));
}
.bottom-nav button {
  background: transparent; border: 0; padding: 8px 4px;
  color: var(--text-dim); font-size: 11px; display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.bottom-nav button.active { color: var(--accent); }
.bottom-nav button .ico { font-size: 16px; }

/* ---------------- Modal ---------------- */
.modal-back {
  position: fixed; inset: 0; background: rgba(2,6,17,.7); z-index: 40;
  display: none; align-items: stretch; justify-content: center;
}
.modal-back.open { display: flex; }
.modal {
  background: var(--bg); width: 100%; max-width: 560px; height: 100%;
  display: flex; flex-direction: column;
}
.modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px var(--pad); border-bottom: 1px solid var(--line);
  background: var(--bg-2); position: sticky; top: 0;
}
.modal-head .name { font-weight: 700; }
.modal-head .spacer { flex: 1; }
.modal-head .close {
  background: transparent; border: 0; color: var(--text); font-size: 22px; padding: 4px 8px;
}
.modal-body { padding: 12px; overflow-y: auto; flex: 1; }
.modal-foot {
  padding: 10px var(--pad); border-top: 1px solid var(--line); background: var(--bg-2);
  display: flex; gap: 8px; align-items: center;
  padding-bottom: max(10px, env(safe-area-inset-bottom));
}
.modal-foot .score-out {
  flex: 1; font-family: ui-monospace, monospace; font-size: 13px;
}
.modal-foot .score-out .big { font-size: 22px; font-weight: 800; color: var(--accent); }
.modal-foot button {
  background: var(--accent); color: #062c25; border: 0; border-radius: 8px;
  padding: 12px 14px; font-weight: 700; font-size: 14px;
}
.modal-foot button.secondary {
  background: transparent; color: var(--accent); border: 1px solid var(--accent);
}

/* ---------------- Score item ---------------- */
.item { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px; margin-bottom: 8px; }
.item .q { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.item .q small { color: var(--text-dim); font-weight: 400; }
.item .opts { display: grid; grid-template-columns: 1fr; gap: 4px; }
.item .opts label {
  display: flex; gap: 8px; padding: 8px 10px; border-radius: 8px;
  background: var(--bg-3); border: 1px solid transparent;
  cursor: pointer; font-size: 13px;
}
.item .opts label:has(input:checked) {
  border-color: var(--accent); background: rgba(94, 234, 212, .08);
}
.item .opts input { accent-color: var(--accent); }
.item .opts .pts { color: var(--text-dim); margin-left: auto; font-family: ui-monospace, monospace; font-size: 12px; }

.item .opts.row { grid-template-columns: repeat(8, 1fr); gap: 4px; }
.item .opts.row label { justify-content: center; padding: 10px 4px; font-weight: 700; }
.item .opts.row label .lbl { display: none; }

.item .opts.row5 { grid-template-columns: repeat(5, 1fr); }
.item .opts.row5 label { justify-content: center; padding: 10px 4px; font-weight: 700; }
.item .opts.row5 label .lbl { display: none; }

.item .helper { font-size: 11px; color: var(--text-mute); margin-top: 6px; font-style: italic; }

/* ---------------- Notice / interpretation ---------------- */
.interp {
  margin-top: 12px; padding: 12px; border-radius: var(--r);
  background: var(--bg-2); border: 1px solid var(--line);
}
.interp h4 { margin: 0 0 6px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); }
.interp .row { display: flex; gap: 10px; align-items: baseline; }
.interp .pill {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.pill.ok { background: rgba(52,211,153,.15); color: var(--ok); }
.pill.warn { background: rgba(251,191,36,.15); color: var(--warn); }
.pill.danger { background: rgba(248,113,113,.15); color: var(--danger); }
.pill.info { background: rgba(56,189,248,.15); color: var(--accent-2); }

.interp ul { margin: 8px 0 0; padding-left: 18px; }
.interp ul li { margin-bottom: 4px; font-size: 13px; }
.interp .cite { font-size: 11px; color: var(--text-mute); margin-top: 8px; }
.interp .cite a { color: var(--text-dim); text-decoration: underline; }

/* ---------------- ASCII / pre / note ---------------- */
pre.ascii {
  background: #060b16; border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px; overflow-x: auto; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 12px; line-height: 1.35; color: var(--text);
}

/* ---------------- Don't-forget ---------------- */
.dontforget { padding: 12px; }
.dontforget .grp { margin-bottom: 14px; }
.dontforget .grp h3 { margin: 0 0 6px; font-size: 14px; color: var(--accent); }
.dontforget ul { margin: 0; padding-left: 20px; }
.dontforget ul li { font-size: 13px; margin-bottom: 4px; color: var(--text); }
.dontforget ul li small { color: var(--text-dim); display: block; margin-top: 2px; }

/* ---------------- Meds ---------------- */
.med-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px; margin-bottom: 10px; }
.med-card h3 { margin: 0 0 4px; font-size: 15px; }
.med-card .scope { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; }
.med-card table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
.med-card th, .med-card td { padding: 6px 4px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.med-card th { color: var(--text-dim); font-weight: 600; font-size: 12px; }
.med-card .alt {
  margin-top: 10px; padding: 10px; border: 1px dashed var(--line); border-radius: 8px;
  background: var(--bg-3);
}
.med-card .alt h4 { margin: 0 0 4px; font-size: 13px; color: var(--accent-2); }
.med-card .cite { font-size: 11px; color: var(--text-mute); margin-top: 8px; }

/* ---------------- Flow diagram ---------------- */
.flow-pre {
  margin: 0; white-space: pre; font-size: 11px;
}

/* ---------------- Inputs ---------------- */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field label { font-size: 12px; color: var(--text-dim); }
.field input, .field select {
  background: var(--bg-3); border: 1px solid var(--line); color: var(--text);
  padding: 10px; border-radius: 8px;
}

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* ---------------- History timeline ---------------- */
.timeline { padding: 12px; }
.timeline .entry {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px; margin-bottom: 8px; font-size: 13px;
}
.timeline .entry .time { font-size: 11px; color: var(--text-mute); }
.timeline .entry .score { font-family: ui-monospace, monospace; color: var(--accent); font-weight: 700; }

/* ---------------- Misc ---------------- */
.muted { color: var(--text-dim); }
.tiny { font-size: 11px; }
.center { text-align: center; }
.kbd { font-family: ui-monospace, monospace; padding: 1px 4px; border-radius: 4px; background: var(--bg-3); border: 1px solid var(--line); font-size: 12px; }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }

@media (min-width: 600px) {
  .tile-grid { grid-template-columns: repeat(3, 1fr); }
  .context { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 900px) {
  body { max-width: 900px; margin: 0 auto; }
  .tile-grid { grid-template-columns: repeat(4, 1fr); }
}