/* ===== Álbum de Estampillas renovado + pulido general de la interfaz ===== */

/* ---------- el libro ---------- */
#album .sa-book { position: relative; width: 1680px; height: 940px; display: flex; font-family: var(--font); border-radius: 30px; padding: 22px;
  background: radial-gradient(circle at 20% 10%, #8a4a2a, transparent 60%), linear-gradient(160deg, #6a3a22, #4a2414 55%, #331609);
  box-shadow: 0 26px 0 rgba(0,0,0,.28), 0 0 0 6px #2a1208, inset 0 0 0 4px rgba(255,210,150,.25); }
#album .sa-book::before { content: ''; position: absolute; inset: 10px; border-radius: 24px; border: 3px dashed rgba(255,220,170,.45); pointer-events: none; }
#album .x-btn { right: -26px; top: -26px; z-index: 6; }
.sa-left, .sa-right { position: relative; background: #fbf5e6; box-shadow: inset 0 0 40px rgba(160,120,60,.25); }
.sa-left { width: 470px; flex: none; border-radius: 18px 4px 4px 18px; padding: 24px 22px; display: flex; flex-direction: column; gap: 14px;
  background: linear-gradient(90deg, #f6ecd6, #fbf5e6 85%, #efe2c4); }
.sa-right { flex: 1; min-width: 0; border-radius: 4px 18px 18px 4px; padding: 24px 30px; display: flex; flex-direction: column; gap: 12px;
  background: radial-gradient(circle at 85% 0%, color-mix(in srgb, var(--c1, #ccc) 22%, transparent), transparent 55%), linear-gradient(90deg, #efe2c4, #fbf5e6 12%); }
.sa-spine { position: absolute; left: 492px; top: 22px; bottom: 22px; width: 20px; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,0,0,.18), rgba(255,255,255,.35) 45%, rgba(0,0,0,.15)); }

/* portada izquierda */
.sa-brand { display: flex; align-items: center; gap: 12px; color: #5a3416; }
.sa-brand span { font-size: 50px; }
.sa-brand b { display: block; font: 700 34px/1 var(--font); }
.sa-brand small { font: 600 18px var(--font); color: #9a6a3a; }
.sa-total { position: relative; width: 170px; height: 170px; align-self: center; }
.sa-total svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.sa-ring-bg { fill: none; stroke: #ead8b4; stroke-width: 12; }
.sa-ring { fill: none; stroke: url(#saGrad) #e0a030; stroke: #e2a032; stroke-width: 12; stroke-linecap: round; transition: stroke-dashoffset 1s cubic-bezier(.3,1,.4,1); filter: drop-shadow(0 0 4px rgba(226,160,50,.6)); }
.sa-total-txt { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; color: #5a3416; }
.sa-total-txt b { font: 700 44px/1 var(--font); }
.sa-total-txt small { font: 600 18px var(--font); color: #9a6a3a; }
.sa-shelf { flex: 1; min-height: 0; overflow-y: auto; padding-right: 6px; display: flex; flex-direction: column; gap: 10px; scrollbar-width: thin; scrollbar-color: #c9a46a transparent; }
.sa-group h4 { margin: 4px 0 6px; font: 700 18px var(--font); color: #9a6a3a; letter-spacing: .5px; text-transform: uppercase; }
.sa-bk { position: relative; width: 100%; display: flex; align-items: center; gap: 10px; padding: 7px 12px 7px 8px; margin-bottom: 6px; border-radius: 14px; cursor: pointer;
  border: 3px solid transparent; background: #fff; box-shadow: 0 3px 0 rgba(120,80,30,.15); text-align: left; transition: transform .15s, border-color .15s; font-family: var(--font); }
.sa-bk:hover { transform: translateX(5px); border-color: var(--c1); }
.sa-bk.on { border-color: var(--c2); background: linear-gradient(90deg, color-mix(in srgb, var(--c1) 35%, #fff), #fff); transform: translateX(10px); }
.sa-bk-ic { width: 44px; height: 44px; flex: none; display: grid; place-items: center; font-size: 26px; border-radius: 12px; background: linear-gradient(145deg, var(--c1), var(--c2)); box-shadow: inset 0 -3px 0 rgba(0,0,0,.18); }
.sa-bk-txt { flex: 1; min-width: 0; }
.sa-bk-txt b { display: block; font: 700 18px/1.1 var(--font); color: #4a2a10; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sa-bar { display: block; height: 8px; margin-top: 5px; border-radius: 4px; background: #efe2c4; overflow: hidden; }
.sa-bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--c1), var(--c2)); }
.sa-bk-n { font: 700 16px var(--font); color: #7a5a3a; }
.sa-bk.done .sa-bk-n { font-size: 22px; }
.sa-bk-new { position: absolute; right: -6px; top: -8px; min-width: 24px; height: 24px; padding: 0 6px; border-radius: 12px; background: #e2363b; color: #fff; font: 700 14px/24px var(--font); font-style: normal; text-align: center; }

/* página derecha */
.sa-head { display: flex; align-items: center; gap: 16px; }
.sa-emblem { width: 88px; height: 88px; flex: none; display: grid; place-items: center; font-size: 52px; border-radius: 24px; background: linear-gradient(145deg, var(--c1), var(--c2));
  box-shadow: 0 6px 0 rgba(0,0,0,.2), inset 0 0 0 4px rgba(255,255,255,.35); animation: saWobble 4s ease-in-out infinite; }
@keyframes saWobble { 0%, 100% { transform: rotate(-3deg); } 50% { transform: rotate(3deg); } }
.sa-head-txt { flex: 1; }
.sa-head h2 { margin: 0; font: 700 44px/1.05 var(--font); color: #4a2a10; }
.sa-hbar { position: relative; height: 24px; margin-top: 8px; border-radius: 12px; background: #ead8b4; overflow: hidden; }
.sa-hbar i { display: block; height: 100%; background: linear-gradient(90deg, var(--c1), var(--c2)); transition: width .8s cubic-bezier(.3,1,.4,1); }
.sa-hbar span { position: absolute; inset: 0; display: grid; place-items: center; font: 700 16px var(--font); color: #3a1a00; text-shadow: 0 1px 0 rgba(255,255,255,.7); }
.sa-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.sa-filters button { padding: 7px 16px; border-radius: 16px; border: 3px solid #e2cfa6; background: #fff; font: 700 17px var(--font); color: #7a5a3a; cursor: pointer; transition: .15s; }
.sa-filters button:hover { border-color: var(--c1); }
.sa-filters button.on { background: linear-gradient(145deg, var(--c1), var(--c2)); border-color: transparent; color: #fff; text-shadow: 0 1px 0 rgba(0,0,0,.25); }
.sa-reward { display: flex; align-items: center; gap: 12px; padding: 6px 16px; border-radius: 16px; background: #fff7e0; border: 3px dashed #e2b04a; font: 500 18px/1.3 var(--font); color: #5a3a10; }
.sa-reward[hidden] { display: none; }
.sa-reward.done { background: #effbea; border-color: #5fcf5a; border-style: solid; }
.sa-rw-bear { width: 52px; height: 74px; flex: none; }
.sa-rw-bear svg { width: 100%; height: 100%; overflow: visible; }

/* sellos */
.sa-grid { flex: 1; min-height: 0; overflow-y: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(134px, 1fr)); gap: 16px 12px; align-content: start;
  padding: 8px 8px 20px; scrollbar-width: thin; scrollbar-color: #c9a46a transparent; }
.sa-grid.turn { animation: saTurn .45s cubic-bezier(.3,1.2,.5,1); }
@keyframes saTurn { from { opacity: 0; transform: translateX(40px) rotateY(-12deg); } }
.sa-stamp { position: relative; width: 100%; aspect-ratio: 240 / 290; border: 0; padding: 0; cursor: pointer; background: url(../assets/ui/stamp.png) center / 100% 100% no-repeat;
  filter: drop-shadow(0 4px 3px rgba(90,60,20,.28)); transition: transform .18s cubic-bezier(.3,1.5,.5,1); animation: saIn .4s cubic-bezier(.3,1.4,.5,1) backwards; animation-delay: calc(var(--i, 0) * 25ms); font-family: var(--font); }
@keyframes saIn { from { opacity: 0; transform: scale(.6) rotate(-8deg); } }
.sa-stamp:nth-child(odd) { --tilt: -1.5deg; } .sa-stamp:nth-child(even) { --tilt: 1.5deg; }
.sa-stamp { transform: rotate(var(--tilt, 0)); }
.sa-stamp:hover { transform: rotate(0) translateY(-6px) scale(1.06); z-index: 2; }
.sa-stamp.hard { background-image: url(../assets/ui/stamp_gold.png); }
.sa-art { position: absolute; left: 14%; right: 14%; top: 12%; height: 56%; border-radius: 8px; display: grid; place-items: center; overflow: hidden;
  background: radial-gradient(circle at 50% 35%, rgba(255,255,255,.55), transparent 60%), linear-gradient(160deg, var(--c1, #ccc), var(--c2, #888)); }
.sa-right .sa-art { background: radial-gradient(circle at 50% 35%, rgba(255,255,255,.55), transparent 60%), linear-gradient(160deg, var(--c1), var(--c2)); }
.sa-ico { font-size: 44px; line-height: 1; filter: drop-shadow(0 3px 0 rgba(0,0,0,.18)); }
.sa-name { position: absolute; left: 12%; right: 12%; top: 71%; height: 18%; display: grid; place-items: center; text-align: center; font: 700 14px/1.05 var(--font); color: #4a2a10; overflow: hidden; }
.sa-mini-progress { position: absolute; left: 22%; right: 22%; bottom: 5.5%; height: 6px; overflow: hidden; border-radius: 5px; background: rgba(70,50,30,.22); box-shadow: inset 0 1px 2px rgba(0,0,0,.2); }
.sa-mini-progress i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #65b875, #2c8d55); }
.sa-pm { position: absolute; right: -12%; top: 30%; width: 78%; opacity: .75; transform: rotate(var(--r, -12deg)); pointer-events: none; mix-blend-mode: multiply; }
.sa-stamp:not(.got) { opacity: .62; }
.sa-stamp:not(.got) .sa-art { background: repeating-linear-gradient(45deg, #e9dfc8 0 8px, #f2ead6 8px 16px); }
.sa-stamp:not(.got) .sa-ico { font: 700 46px var(--font); color: #b8a37a; filter: none; }
.sa-stamp:not(.got) .sa-name { color: #b8a37a; }
.sa-stamp:not(.got):hover { opacity: .9; }
.sa-star { position: absolute; left: 6%; top: 3%; font-size: 18px; color: #d89a10; text-shadow: 0 1px 0 #fff; }
.sa-newtag { position: absolute; left: 50%; top: -8px; transform: translateX(-50%); padding: 2px 10px; border-radius: 10px; background: #e2363b; color: #fff; font: 700 13px var(--font); white-space: nowrap; animation: saPing 1.2s ease-in-out infinite; }
.sa-stamp.new { filter: drop-shadow(0 0 10px rgba(255,200,60,.95)) drop-shadow(0 4px 3px rgba(90,60,20,.28)); }
@keyframes saPing { 50% { transform: translateX(-50%) scale(1.12); } }
.sa-empty { grid-column: 1 / -1; text-align: center; font: 600 24px var(--font); color: #9a6a3a; margin-top: 40px; }

/* ficha de una estampilla */
.sa-detail { position: absolute; inset: 0; z-index: 5; display: grid; place-items: center; background: rgba(40,20,8,.55); border-radius: 30px; animation: saFade .2s; }
.sa-detail[hidden] { display: none; }
@keyframes saFade { from { opacity: 0; } }
.sa-det-box { position: relative; display: flex; align-items: center; gap: 34px; width: 820px; padding: 34px 40px; border-radius: 28px; background: #fbf5e6; box-shadow: 0 20px 50px rgba(0,0,0,.4); animation: saPop .35s cubic-bezier(.3,1.5,.5,1); }
@keyframes saPop { from { transform: scale(.7); opacity: 0; } }
.sa-det-box .x-btn { right: -22px; top: -22px; }
.sa-stamp.big { width: 250px; flex: none; transform: rotate(-3deg); animation: none; cursor: default; }
.sa-stamp.big .sa-ico { font-size: 96px; }
.sa-stamp.big .sa-name { font-size: 22px; }
.sa-det-txt h3 { margin: 0 0 6px; font: 700 40px var(--font); color: #4a2a10; }
.sa-det-hard { display: inline-block; padding: 3px 12px; border-radius: 10px; background: linear-gradient(#ffe48a, #f2b51c); font: 700 17px var(--font); color: #5a3a00; }
.sa-det-txt p { font: 500 24px/1.4 var(--font); color: #5a3a1a; }
.sa-det-txt { flex: 1; min-width: 0; }
.sa-progressbox { margin: 12px 0 16px; padding: 12px 14px; border: 2px solid color-mix(in srgb, var(--c1) 55%, #fff); border-radius: 16px; background: #fffdf6; box-shadow: inset 0 1px 0 #fff; }
.sa-progress-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 7px; font: 700 18px/1.2 var(--font); color: #46331f; }
.sa-progress-head span { white-space: nowrap; font-variant-numeric: tabular-nums; color: #304b39; }
.sa-progressbar { height: 16px; overflow: hidden; border-radius: 10px; border: 2px solid #b8c3a5; background: #e8eadf; box-shadow: inset 0 2px 3px rgba(44,54,36,.15); }
.sa-progressbar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #8fcf75, #39a66c); box-shadow: inset 0 1px 0 rgba(255,255,255,.65); transition: width .35s ease; }
.sa-progressbox small { display: block; margin-top: 6px; font: 600 16px/1.25 var(--font); color: #536447; }
.sa-det-st { display: inline-block; padding: 8px 16px; border-radius: 14px; background: #f0e6d0; font: 700 20px var(--font); color: #8a6a3a; }
.sa-det-st.ok { background: #e2f8dc; color: #2c8a29; }

/* contador en el botón del álbum */
.sa-badge { position: absolute; right: -10px; top: -10px; min-width: 34px; height: 34px; padding: 0 8px; border-radius: 17px; background: #e2363b; color: #fff;
  font: 700 20px/30px var(--font); font-style: normal; border: 3px solid #fff; box-shadow: 0 3px 0 rgba(0,0,0,.25); }
.sa-badge[hidden] { display: none; }

/* aviso de estampilla con forma de sello */
.sa-toast { display: flex; align-items: center; gap: 16px; padding: 10px 22px 10px 12px; cursor: pointer; text-align: left; pointer-events: auto;
  background: linear-gradient(#fffaf0, #fbefd2); border: 4px solid #c9a46a; border-radius: 22px; box-shadow: 0 10px 24px rgba(0,0,0,.25); font-family: var(--font); }
.sa-toast.hard { border-color: #f2b51c; box-shadow: 0 0 24px rgba(255,190,60,.7), 0 10px 24px rgba(0,0,0,.25); }
.sa-stamp.mini { width: 72px; flex: none; animation: none; transform: rotate(-6deg); cursor: inherit; }
.sa-stamp.mini .sa-ico { font-size: 28px; }
.sa-toast-txt small { display: block; font: 700 18px var(--font); color: #a06a10; }
.sa-toast-txt b { display: block; font: 700 28px/1.1 var(--font); color: #4a2a10; }
.sa-toast-txt em { font: 500 15px var(--font); color: #8a6a3a; font-style: normal; }
.sa-toast.show .sa-stamp.mini { animation: saThump .5s cubic-bezier(.3,1.6,.5,1) .15s backwards; }
@keyframes saThump { from { transform: scale(2) rotate(-25deg); opacity: 0; } }

/* =====================================================================
   Pulido general: paneles, botones, avisos
   ===================================================================== */
.panel { transition: opacity .22s ease, transform .3s cubic-bezier(.25,1.35,.45,1); }
#dim { transition: opacity .25s, backdrop-filter .25s; }
#dim.on { backdrop-filter: blur(3px); cursor: pointer; }
.btn { transition: transform .12s ease, filter .12s ease, box-shadow .12s ease; position: relative; }
.btn:hover:not(:disabled) { filter: brightness(1.08) saturate(1.05); transform: translateY(-3px); }
.btn:active:not(:disabled) { transform: translateY(2px) scale(.97); filter: brightness(.96); }
.btn:focus-visible, .x-btn:focus-visible, .hud-btn:focus-visible, .hud-map:focus-visible { outline: 4px solid #ffd23f; outline-offset: 3px; }
.x-btn { transition: transform .2s cubic-bezier(.3,1.5,.5,1), filter .15s; }
.x-btn:hover { transform: rotate(90deg) scale(1.06); filter: brightness(1.08); }
.x-btn:active { transform: rotate(90deg) scale(.92); }
.hud-map { transition: transform .18s cubic-bezier(.3,1.6,.5,1); }
.hud-map:active { transform: translateY(2px) scale(.94); }
.toast { box-shadow: 0 8px 22px rgba(0,0,0,.25); border: 3px solid rgba(255,255,255,.18); transition: opacity .3s, transform .35s cubic-bezier(.3,1.4,.5,1); }
.toast:not(.show) { transform: translateY(-18px) scale(.94); }
*::-webkit-scrollbar { width: 12px; height: 12px; }
*::-webkit-scrollbar-thumb { background: rgba(120,140,170,.55); border-radius: 8px; border: 3px solid transparent; background-clip: padding-box; }
*::-webkit-scrollbar-thumb:hover { background-color: rgba(90,110,150,.75); }
*::-webkit-scrollbar-track { background: transparent; }

@media (prefers-reduced-motion: reduce) {
  .sa-stamp, .sa-grid.turn, .sa-emblem, .sa-newtag, .sa-toast .sa-stamp.mini { animation: none !important; }
  .panel, .btn, .x-btn { transition: opacity .15s !important; }
}