/* ---------- Solitär (Klondike, Spider, FreeCell) ---------- */
.sp-so { position: relative; isolation: isolate; width: 100%; align-self: flex-start; display: grid; gap: 10px; justify-items: center; padding: 12px; border-radius: 22px;
	background: radial-gradient(120% 80% at 50% 0%, #16a34a 0%, #15803d 35%, #166534 70%, #14532d 100%);
	box-shadow: inset 0 2px 0 rgba(255, 255, 255, .18), inset 0 -10px 30px rgba(0, 0, 0, .25), 0 22px 44px -26px #14532d; }
.sp-so-tools { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; min-height: 40px; }
.sp-so-tools .sp-btn { min-height: 38px; }
.sp-so-undo { background: rgba(255, 255, 255, .95); }
.sp-so-info { flex: 1; text-align: center; font: 700 .86rem/1.3 var(--sp-font); color: #dcfce7; letter-spacing: .01em; font-variant-numeric: tabular-nums; }
.sp-so-auto { background: linear-gradient(135deg, #facc15, #f97316); color: #431407; box-shadow: 0 8px 18px -8px #f97316; animation: spSoPulse 1.4s ease-in-out infinite; }
.sp-so-auto:hover { color: #431407; }
@keyframes spSoPulse { 50% { box-shadow: 0 0 0 6px rgba(250, 204, 21, .35), 0 8px 18px -8px #f97316; } }

.sp-so-board { --cw: 80px; --ch: 112px; position: relative; margin: 0 auto; outline: none; border-radius: 10px; min-height: 200px; }
.sp-so-board:focus-visible { box-shadow: 0 0 0 3px #facc15; }

/* Plätze (leere Stapel, Ablage, Zellen, Nachziehstapel) */
.sp-so-slot { position: absolute; left: 0; top: 0; width: var(--cw); height: var(--ch); border-radius: calc(var(--cw) * .1); border: 2px dashed rgba(255, 255, 255, .3);
	display: grid; place-items: center; color: rgba(255, 255, 255, .45); font: 800 calc(var(--cw) * .36)/1 Georgia, "Times New Roman", serif; transition: background .15s, border-color .15s; }
.sp-so-slot-found { border-style: solid; background: rgba(255, 255, 255, .08); }
.sp-so-slot-cell { background: rgba(0, 0, 0, .16); border-style: solid; border-color: rgba(255, 255, 255, .2); }
.sp-so-slot-stock { cursor: pointer; font-family: var(--sp-font); font-size: calc(var(--cw) * .5); }
.sp-so-slot-stock.is-empty { opacity: .4; cursor: default; }
.sp-so-slot-waste { border-color: transparent; }
.sp-so-slot.is-hint { border-color: #facc15; background: rgba(250, 204, 21, .2); }
.sp-so-slot.is-kbd { border-color: #38bdf8; border-style: solid; }

/* Karte: äußeres Element wird verschoben, inneres dreht sich (Aufdecken) */
.sp-so-card { position: absolute; left: 0; top: 0; width: var(--cw); height: var(--ch); perspective: 900px; cursor: pointer; touch-action: none; will-change: transform;
	transition: transform .28s cubic-bezier(.22, .9, .3, 1); -webkit-tap-highlight-color: transparent; }
.sp-so-card.is-drag { transition: none; cursor: grabbing; }
.sp-so-in { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .32s ease; }
.sp-so-card.is-down .sp-so-in { transform: rotateY(180deg); }
.sp-so-card.is-drag .sp-so-in { transform: scale(1.05) rotate(-1.5deg); }
.sp-so-face, .sp-so-back { position: absolute; inset: 0; border-radius: calc(var(--cw) * .1); backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.sp-so-face { overflow: hidden; background: linear-gradient(165deg, #ffffff 0%, #fbfcfe 55%, #eef2f7 100%); border: 1px solid #cbd5e1;
	box-shadow: 0 1px 2px rgba(0, 0, 0, .28), 0 3px 8px -3px rgba(0, 0, 0, .3); }
.sp-so-card.is-drag .sp-so-face { box-shadow: 0 18px 30px -10px rgba(0, 0, 0, .6); }
.sp-so-card.is-under:not(.is-drag) .sp-so-face, .sp-so-card.is-under .sp-so-back { box-shadow: none; }
.sp-so-card.is-red { color: #e11d48; }
.sp-so-card.is-black { color: #0f172a; }

/* Kartenrücken: bunter Verlauf mit Rautenmuster und Emblem */
.sp-so-back { transform: rotateY(180deg); border: calc(var(--cw) * .05) solid #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 3px 8px -3px rgba(0, 0, 0, .3);
	background:
		radial-gradient(circle at 50% 50%, #fde68a 0 8%, #f59e0b 9% 11%, transparent 12%),
		radial-gradient(circle at 50% 50%, transparent 0 17%, rgba(255, 255, 255, .6) 18% 20%, transparent 21%),
		repeating-linear-gradient(45deg, rgba(255, 255, 255, .17) 0 3px, transparent 3px 9px),
		repeating-linear-gradient(-45deg, rgba(255, 255, 255, .17) 0 3px, transparent 3px 9px),
		linear-gradient(150deg, #fb7185 0%, #e11d48 25%, #c026d3 55%, #7c3aed 78%, #f59e0b 100%); }

/* Ecken: Wert + Farbsymbol */
.sp-so-c { position: absolute; left: calc(var(--cw) * .07); top: calc(var(--cw) * .05); display: flex; align-items: center; gap: .04em; white-space: nowrap;
	font: 800 calc(var(--cw) * .29)/1 var(--sp-font); letter-spacing: -.05em; }
.sp-so-c i { font-style: normal; font-size: .88em; letter-spacing: 0; }
.sp-so-c2 { left: auto; top: auto; right: calc(var(--cw) * .07); bottom: calc(var(--cw) * .05); transform: rotate(180deg); }
/* Mitte: großes Farbsymbol, Ass extra groß, Bildkarten mit großem Buchstaben */
.sp-so-pip { position: absolute; left: 0; right: 0; top: 20%; bottom: 20%; display: grid; place-items: center; font-size: calc(var(--cw) * .56); line-height: 1; }
.sp-so-ace { font-size: calc(var(--cw) * .8); filter: drop-shadow(0 2px 1px rgba(0, 0, 0, .15)); }
.sp-so-pic { position: absolute; left: 17%; right: 17%; top: 30%; bottom: 20%; display: grid; place-items: center; border-radius: calc(var(--cw) * .08);
	background: linear-gradient(160deg, #fff7ed, #fde68a 55%, #fbcfe8); box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .14), inset 0 0 0 calc(var(--cw) * .03) rgba(255, 255, 255, .7); }
.sp-so-card.is-black .sp-so-pic { background: linear-gradient(160deg, #eff6ff, #c7d2fe 55%, #ddd6fe); }
.sp-so-pic b { font: 900 calc(var(--cw) * .5)/1 Georgia, "Times New Roman", serif; text-shadow: 0 2px 0 rgba(255, 255, 255, .8); }
.sp-so-pic i { position: absolute; left: 8%; top: 5%; font-style: normal; font-size: calc(var(--cw) * .17); line-height: 1; }
.sp-so-pic i + i { left: auto; top: auto; right: 8%; bottom: 5%; transform: rotate(180deg); }

/* kleine Karten (Handy, Spider mit 10 Spalten) */
.sp-so-board.is-small .sp-so-c2 { display: none; }
.sp-so-board.is-small .sp-so-pip { top: 30%; bottom: 3%; }
.sp-so-board.is-small .sp-so-pic { top: 31%; bottom: 6%; }
.sp-so-board.is-tiny .sp-so-c { left: 2px; top: 2px; font-size: calc(var(--cw) * .36); letter-spacing: -.08em; }
.sp-so-board.is-tiny .sp-so-pip { font-size: calc(var(--cw) * .6); top: 34%; }
.sp-so-board.is-tiny .sp-so-pic { left: 8%; right: 8%; top: 36%; bottom: 5%; }
.sp-so-board.is-tiny .sp-so-pic i { display: none; }
.sp-so-board.is-tiny .sp-so-face, .sp-so-board.is-tiny .sp-so-back { border-radius: 4px; }
.sp-so-board.is-tiny .sp-so-back { border-width: 2px; }

/* Hinweise, Tastaturauswahl, Fehlzug */
.sp-so-card.is-hint .sp-so-face { box-shadow: 0 0 0 3px #facc15, 0 0 16px 2px rgba(250, 204, 21, .6); }
.sp-so-card.is-kbd .sp-so-face, .sp-so-card.is-kbd .sp-so-back { box-shadow: 0 0 0 3px #38bdf8, 0 3px 8px -3px rgba(0, 0, 0, .3); }
.sp-so-in.is-shake { animation: spSoShake .36s ease; }
@keyframes spSoShake { 20% { transform: translateX(-5px); } 40% { transform: translateX(4px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(2px); } }

/* Siegesanimation: Karten hüpfen in einer Welle */
.sp-so-board.is-won .sp-so-card { cursor: default; }
.sp-so-board.is-won .sp-so-in { animation: spSoHop .5s ease-in-out infinite alternate; animation-delay: calc(var(--k, 0) * 70ms); }
@keyframes spSoHop { from { transform: none; } to { transform: translateY(calc(var(--ch) * -.16)) rotate(-3deg); } }

.sp-so-board.is-instant .sp-so-card, .sp-so-board.is-instant .sp-so-in { transition: none !important; }

.sp-shell:fullscreen .sp-so { min-height: 100%; align-content: start; }
.sp-stats-table .sp-so-st2 { font-weight: 500; color: var(--sp-muted); padding-left: 12px; font-size: .88rem; }

@media (max-width: 640px) {
	.sp-so { padding: 8px 4px; border-radius: 14px; gap: 8px; }
	.sp-so-tools { padding: 0 4px; }
	.sp-so-tools .sp-btn { min-height: 36px; padding: 0 10px; font-size: .84rem; }
	.sp-so-info { order: 3; flex-basis: 100%; font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
	.sp-so-card, .sp-so-in { transition-duration: .01s; }
	.sp-so-board.is-won .sp-so-in, .sp-so-auto { animation: none; }
}