/* ══════════════════════════════════════
   Soluciones y Presión Osmótica v1.0.0
   Paleta clínica: verde/teal/azul
   Prefijo .so- en todos los selectores
   ══════════════════════════════════════ */
.so-root {
  --so-ink:    #0d1f1a;
  --so-paper:  #f0f7f4;
  --so-surf:   #ffffff;
  --so-teal:   #00695c;
  --so-deep:   #004d40;
  --so-mid:    #00796b;
  --so-light:  #26a69a;
  --so-spray:  #80cbc4;
  --so-gold:   #e8a000;
  --so-gold-bg:#fff8e1;
  --so-red:    #c62828;
  --so-red-bg: #fdf0ee;
  --so-green:  #2e7d32;
  --so-grn-bg: #e8f5e9;
  --so-muted:  #546e60;
  --so-border: #c8ddd8;
  --so-r:      10px;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--so-ink);
  max-width: 900px;
  margin: 0 auto;
  padding: 0 12px 60px;
  box-sizing: border-box;
}
.so-root *, .so-root *::before, .so-root *::after { box-sizing: border-box; }
.so-hidden { display: none !important; }

/* ── HERO ── */
.so-hero { text-align: center; padding: 36px 16px 24px; }
.so-hero-badge { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--so-muted); margin-bottom: 10px; }
.so-hero-title { font-size: clamp(26px,6vw,48px); font-weight: 900; color: var(--so-deep); line-height: 1.1; margin: 0 0 8px; }
.so-hero-sub { font-size: 14px; color: var(--so-muted); margin: 0; font-style: italic; }

/* ── SETUP ── */
.so-setup-card { background: var(--so-surf); border: 2px solid var(--so-border); border-radius: var(--so-r); padding: 22px; max-width: 400px; margin: 0 auto 20px; }
.so-label { display: block; font-weight: 700; font-size: 11px; letter-spacing: .5px; color: var(--so-muted); margin-bottom: 8px; text-transform: uppercase; }
.so-input { width: 100%; padding: 12px 14px; border: 2px solid var(--so-border); border-radius: 8px; font-size: 18px; font-weight: 700; color: var(--so-deep); background: #fff; outline: none; transition: border-color .2s; font-family: inherit; }
.so-input:focus { border-color: var(--so-light); }

/* ── NIVEL BADGES ── */
.so-level-badges { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; max-width: 520px; margin: 0 auto 20px; }
.so-lbadge { flex: 1; min-width: 120px; max-width: 160px; padding: 12px 14px; border-radius: var(--so-r); font-size: 13px; font-weight: 700; text-align: center; line-height: 1.4; border: 2px solid transparent; }
.so-lbadge small { font-weight: 400; font-size: 11px; display: block; margin-top: 3px; }
.so-lbadge.easy   { background: var(--so-grn-bg); border-color: #a5d6a7; color: var(--so-green); }
.so-lbadge.medium { background: var(--so-gold-bg); border-color: #ffe082; color: #7a5200; }
.so-lbadge.hard   { background: var(--so-red-bg); border-color: #ef9a9a; color: var(--so-red); }

/* ── RULES ── */
.so-rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px,1fr)); gap: 10px; max-width: 680px; margin: 0 auto 18px; }
.so-rule { background: var(--so-surf); border: 1px solid var(--so-border); border-radius: var(--so-r); padding: 12px 13px; font-size: 13px; line-height: 1.5; }
.so-rule span { font-size: 20px; display: block; margin-bottom: 4px; }
.so-penalty-box { background: #e0f2f1; border: 1px solid #80cbc4; border-radius: var(--so-r); padding: 10px 16px; max-width: 580px; margin: 0 auto 22px; font-size: 13px; color: #004d40; text-align: center; }

/* ── BOTONES ── */
.so-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 8px; border: none; font-size: 14px; font-weight: 700; cursor: pointer; transition: all .15s; font-family: inherit; }
.so-btn-primary { background: var(--so-teal); color: #fff; }
.so-btn-primary:hover { background: var(--so-deep); transform: translateY(-1px); color: #fff; }
.so-btn-ghost { background: transparent; color: var(--so-muted); border: 1.5px solid var(--so-border); }
.so-btn-ghost:hover { border-color: var(--so-muted); }
.so-btn-gold { background: var(--so-gold); color: var(--so-deep); }
.so-btn-gold:hover { filter: brightness(1.06); }
.so-btn-lg { padding: 14px 34px; font-size: 16px; border-radius: 10px; }
.so-btn:disabled { opacity: .4; cursor: default; transform: none !important; }
#so-setup { text-align: center; }

/* ── HUD ── */
.so-hud { display: flex; align-items: center; justify-content: space-between; background: var(--so-deep); color: #fff; padding: 10px 16px; border-radius: var(--so-r); margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.so-hud-brand { font-weight: 800; font-size: 14px; color: var(--so-spray); }
.so-hud-stats { display: flex; gap: 18px; }
.so-hud-item { text-align: center; }
.so-hud-val { font-family: 'Courier New', monospace; font-size: 20px; font-weight: 700; color: var(--so-spray); }
.so-hud-lbl { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: #80cbc4; }
.so-hud-warn .so-hud-val { color: var(--so-gold); animation: so-blink .9s infinite; }
.so-hud-crit .so-hud-val { color: #ff6b6b; animation: so-blink .4s infinite; }
@keyframes so-blink { 50% { opacity: .3; } }

/* ── SCOREBAR ── */
.so-scorebar { background: var(--so-surf); border: 1px solid var(--so-border); border-radius: var(--so-r); padding: 13px 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.so-team-name { font-weight: 800; font-size: 17px; color: var(--so-teal); }
.so-big-pts   { font-family: 'Courier New', monospace; font-size: 26px; font-weight: 900; color: var(--so-deep); }
.so-sb-meta   { font-size: 12px; color: var(--so-muted); }
.so-prog-wrap { flex: 1; min-width: 120px; }
.so-prog-bar  { height: 6px; background: var(--so-border); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.so-prog-fill { height: 100%; background: linear-gradient(90deg, var(--so-light), var(--so-teal)); border-radius: 99px; transition: width .5s ease; }

/* ── MISIONES — grid 2 col desktop ── */
#so-missions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 600px) { #so-missions { grid-template-columns: 1fr; } }

.so-mission { background: var(--so-surf); border: 1.5px solid var(--so-border); border-radius: var(--so-r); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.so-mission.so-m-active { border-color: var(--so-light); box-shadow: 0 0 0 3px rgba(38,166,154,.12); }
.so-mission.so-m-done   { border-color: #81c784; background: #f9fdf9; }
.so-mission.so-m-locked { opacity: .5; }
.so-mission.so-m-fail   { border-color: #ef9a9a; background: #fdf5f5; }

/* franjas laterales de nivel */
.so-mission.lvl-easy   { border-left: 4px solid #66bb6a; }
.so-mission.lvl-medium { border-left: 4px solid var(--so-gold); }
.so-mission.lvl-hard   { border-left: 4px solid var(--so-red); }

/* activa y completada → span 2 cols */
.so-mission.so-m-active,
.so-mission.so-m-done { grid-column: span 2; }
@media (max-width: 600px) {
  .so-mission.so-m-active,
  .so-mission.so-m-done { grid-column: span 1; }
}

.so-m-head { display: flex; align-items: center; gap: 10px; padding: 11px 14px; cursor: pointer; user-select: none; }
.so-m-num { width: 30px; height: 30px; border-radius: 50%; background: var(--so-paper); border: 2px solid var(--so-border); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 11px; color: var(--so-muted); flex-shrink: 0; }
.so-m-active .so-m-num { background: var(--so-light); border-color: var(--so-light); color: #fff; }
.so-m-done   .so-m-num { background: var(--so-green); border-color: var(--so-green); color: #fff; }
.so-m-fail   .so-m-num { background: var(--so-red); border-color: var(--so-red); color: #fff; }
.so-m-info { flex: 1; min-width: 0; }
.so-m-meta { display: flex; align-items: center; gap: 5px; margin-bottom: 1px; flex-wrap: wrap; }
.so-m-cat  { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--so-muted); }
.so-m-lvl-tag { font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 4px; }
.so-m-lvl-tag.easy   { background: var(--so-grn-bg); color: var(--so-green); }
.so-m-lvl-tag.medium { background: var(--so-gold-bg); color: #7a5200; }
.so-m-lvl-tag.hard   { background: var(--so-red-bg); color: var(--so-red); }
.so-m-title { font-weight: 700; font-size: 13px; color: var(--so-deep); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.so-m-badge { font-size: 10px; font-weight: 700; font-family: 'Courier New', monospace; padding: 2px 7px; border-radius: 99px; white-space: nowrap; background: var(--so-paper); color: var(--so-muted); border: 1px solid var(--so-border); }
.so-m-active .so-m-badge { background: #e0f2f1; color: var(--so-mid); border-color: var(--so-spray); }
.so-m-done   .so-m-badge { background: var(--so-grn-bg); color: var(--so-green); border-color: #a5d6a7; }
.so-m-fail   .so-m-badge { background: var(--so-red-bg); color: var(--so-red); border-color: #ef9a9a; }

.so-m-body { padding: 0 14px 14px; }
.so-clue { background: var(--so-paper); border-left: 4px solid var(--so-light); border-radius: 0 8px 8px 0; padding: 11px 13px; font-size: 14px; line-height: 1.6; margin-bottom: 10px; }
.so-clue strong { color: var(--so-deep); }
.so-clue em { color: var(--so-mid); font-style: normal; font-weight: 600; }

/* pistas */
.so-hint-btns { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.so-hint-chip { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 99px; font-size: 11px; font-weight: 700; cursor: pointer; transition: all .15s; font-family: inherit; border: 1.5px dashed; background: transparent; }
.so-hint-chip.p1 { border-color: var(--so-gold); color: #7a5200; }
.so-hint-chip.p1:hover { background: var(--so-gold-bg); }
.so-hint-chip.p2 { border-color: #e07b30; color: #a04f10; }
.so-hint-chip.p2:hover { background: #fef3ec; }
.so-hint-chip.p3 { border-color: var(--so-red); color: var(--so-red); }
.so-hint-chip.p3:hover { background: var(--so-red-bg); }
.so-hint-chip.used { opacity: .45; cursor: default; border-style: solid; pointer-events: none; }

.so-hint-reveal { background: var(--so-gold-bg); border: 1px solid #ffe082; border-radius: 8px; padding: 8px 11px; font-size: 13px; color: #6b4c00; margin-bottom: 5px; line-height: 1.5; animation: so-slide .2s ease; }
.so-hint-reveal.p2 { background: #fef3ec; border-color: #f0c89a; color: #6b2f00; }
.so-hint-reveal.p3 { background: var(--so-red-bg); border-color: #ef9a9a; color: #7a1a10; }
@keyframes so-slide { from { opacity:0; transform:translateY(-4px); } }

/* respuesta */
.so-ans-row { display: flex; gap: 7px; margin-bottom: 5px; }
.so-ans-input { flex: 1; padding: 9px 12px; border: 2px solid var(--so-border); border-radius: 8px; font-size: 14px; color: var(--so-deep); background: #fff; outline: none; transition: border-color .2s; font-family: inherit; }
.so-ans-input:focus { border-color: var(--so-light); }
.so-ans-input.so-ok    { border-color: var(--so-green); background: var(--so-grn-bg); }
.so-ans-input.so-wrong { border-color: var(--so-red); background: var(--so-red-bg); animation: so-shake .3s ease; }
@keyframes so-shake { 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} }

.so-fb { font-size: 12px; font-weight: 600; min-height: 18px; padding: 3px 0; color: var(--so-muted); }
.so-fb.ok  { color: var(--so-green); }
.so-fb.err { color: var(--so-red); }

.so-done-banner { display: flex; align-items: center; gap: 10px; background: var(--so-grn-bg); border: 1px solid #a5d6a7; border-radius: 8px; padding: 11px 13px; }
.so-done-pts { font-family: 'Courier New', monospace; font-size: 20px; font-weight: 900; color: var(--so-green); }
.so-done-txt { font-size: 13px; color: var(--so-green); }
.so-fail-banner { display: flex; align-items: center; gap: 10px; background: var(--so-red-bg); border: 1px solid #ef9a9a; border-radius: 8px; padding: 11px 13px; font-size: 13px; color: var(--so-red); }

/* ── BONUS ── */
.so-bonus-card { background: var(--so-surf); border: 2px solid var(--so-gold); border-radius: var(--so-r); padding: 20px; margin: 14px 0; }
.so-bonus-title { font-size: 17px; font-weight: 800; color: var(--so-deep); margin-bottom: 4px; }
.so-bonus-sub   { font-size: 13px; color: var(--so-muted); margin-bottom: 12px; }
.so-case-box { background: #fffde7; border-left: 4px solid var(--so-gold); border-radius: 0 8px 8px 0; padding: 12px 14px; font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.so-qlist { padding-left: 18px; margin-bottom: 12px; }
.so-qlist li { font-size: 13px; color: var(--so-deep); padding: 6px 0; border-bottom: 1px solid var(--so-border); line-height: 1.5; }
.so-qlist li:last-child { border-bottom: none; }
.so-textarea { width: 100%; min-height: 120px; padding: 10px 12px; border: 2px solid var(--so-border); border-radius: 8px; resize: vertical; font-size: 14px; font-family: inherit; color: var(--so-ink); background: #fff; outline: none; transition: border .2s; }
.so-textarea:focus { border-color: var(--so-gold); }
.so-expected { background: #fffde7; border: 1px solid #ffe082; border-radius: 8px; padding: 12px 14px; font-size: 13px; color: #6b4c00; line-height: 1.7; margin: 12px 0; }
.so-self-score-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.so-score-input { width: 74px; padding: 8px 10px; border: 2px solid var(--so-border); border-radius: 8px; font-size: 16px; font-weight: 700; text-align: center; font-family: 'Courier New', monospace; outline: none; background: #fff; }
.so-score-input:focus { border-color: var(--so-gold); }

/* ── CERTIFICADO ── */
.so-cert-doc { background: #fff; border: 3px solid var(--so-teal); border-radius: 16px; padding: 40px 32px; max-width: 660px; margin: 28px auto 14px; text-align: center; position: relative; overflow: hidden; }
.so-cert-doc::before { content: ''; position: absolute; inset: 7px; border: 1.5px solid rgba(0,105,92,.15); border-radius: 10px; pointer-events: none; }
.so-cert-watermark { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: 140px; opacity: .03; user-select: none; pointer-events: none; font-weight: 900; color: var(--so-teal); }
.so-cert-seal { width: 60px; height: 60px; border-radius: 50%; background: var(--so-teal); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 10px; box-shadow: 0 4px 12px rgba(0,77,64,.22); }
.so-cert-issuer  { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--so-muted); margin-bottom: 18px; }
.so-cert-headline { font-size: 13px; color: var(--so-muted); margin-bottom: 4px; }
.so-cert-name    { font-size: clamp(20px,5vw,34px); font-weight: 900; color: var(--so-deep); margin-bottom: 16px; line-height: 1.2; }
.so-cert-subject { background: var(--so-paper); border-radius: 8px; padding: 11px 16px; margin-bottom: 18px; font-size: 14px; color: var(--so-teal); font-weight: 600; line-height: 1.5; }
.so-cert-grade   { display: inline-block; font-size: 42px; font-weight: 900; padding: 7px 24px; border-radius: 12px; margin-bottom: 16px; }
.so-cert-grade.gold   { background: linear-gradient(135deg,#fff9c4,#fff176); color: #7a5200; border: 2px solid var(--so-gold); }
.so-cert-grade.silver { background: linear-gradient(135deg,#f0f4f8,#e0e8f0); color: #3a5068; border: 2px solid #90a4ae; }
.so-cert-grade.bronze { background: linear-gradient(135deg,#fdf0e8,#fae0cc); color: #7a3a10; border: 2px solid #e08050; }
.so-cert-grade.basic  { background: var(--so-paper); color: var(--so-muted); border: 2px solid var(--so-border); }
.so-cert-stats { display: flex; border: 1.5px solid var(--so-border); border-radius: 8px; overflow: hidden; margin-bottom: 14px; }
.so-cert-stat  { flex: 1; padding: 12px 8px; border-right: 1px solid var(--so-border); }
.so-cert-stat:last-child { border-right: none; }
.so-cert-stat-val { font-family: 'Courier New', monospace; font-size: 24px; font-weight: 900; color: var(--so-teal); }
.so-cert-stat-lbl { font-size: 10px; color: var(--so-muted); margin-top: 2px; }
.so-cert-breakdown { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.so-cert-lvl-chip { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; }
.so-cert-lvl-chip.easy   { background: var(--so-grn-bg); color: var(--so-green); border: 1px solid #a5d6a7; }
.so-cert-lvl-chip.medium { background: var(--so-gold-bg); color: #7a5200; border: 1px solid #ffe082; }
.so-cert-lvl-chip.hard   { background: var(--so-red-bg); color: var(--so-red); border: 1px solid #ef9a9a; }
.so-cert-hintlog  { font-size: 12px; color: var(--so-muted); margin-bottom: 12px; font-style: italic; }
.so-cert-date     { font-size: 12px; color: var(--so-muted); margin-top: 12px; }
.so-cert-footnote { font-size: 11px; color: #aaa; margin-top: 12px; border-top: 1px solid var(--so-border); padding-top: 10px; }
.so-cert-actions  { text-align: center; display: flex; gap: 10px; justify-content: center; padding-bottom: 20px; }

@media print {
  .so-no-print { display: none !important; }
  .so-hud, .so-scorebar, #so-setup, #so-game { display: none !important; }
  .so-cert-doc { border: 3px solid #00695c !important; }
  .so-root { padding: 0; max-width: 100%; }
}
@media (max-width: 480px) {
  .so-cert-stats { flex-wrap: wrap; }
  .so-cert-stat  { flex: 1 1 45%; border-right: none; border-bottom: 1px solid var(--so-border); }
  .so-hud-stats  { gap: 12px; }
}