/* ========================================================================
   KLONDIKE SOLITAIRE - Altenburger Stil
   Klassisches deutsches Kartenblatt-Design
   ======================================================================== */

/* --- CSS Custom Properties --- */
:root {
    --sol-card-width: 100px;
    --sol-card-height: 140px;
    --sol-card-radius: 8px;
    --sol-card-gap: 12px;
    --sol-tableau-face-down-offset: 8px;
    --sol-tableau-face-up-offset: 28px;
    --sol-felt-color: #1a6b3c;
    --sol-felt-dark: #145a30;
    --sol-card-bg: #fdf8ed;
    --sol-card-border: #c8b898;
    --sol-card-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    --sol-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --sol-red: #c41e3a;
    --sol-black: #1a1a1a;
    --sol-back-primary: #1a3a6b;
    --sol-back-secondary: #c8a84e;
    --sol-back-pattern: #2a4a7b;
    --sol-gold: #c8a84e;
    --sol-gold-light: #e8c86e;
}

/* --- Game Board (Filz-Hintergrund) --- */
.sol-game-container {
    background:
        radial-gradient(ellipse at center, var(--sol-felt-color) 0%, var(--sol-felt-dark) 100%);
    background-color: var(--sol-felt-color);
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    font-family: 'Georgia', 'Times New Roman', 'Palatino Linotype', serif;
}

/* --- Game Board Layout --- */
.sol-board {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 820px;
    margin: 0 auto;
}

.sol-top-row {
    display: flex;
    gap: var(--sol-card-gap);
    align-items: flex-start;
}

.sol-stock-waste {
    display: flex;
    gap: var(--sol-card-gap);
    flex-shrink: 0;
}

.sol-spacer {
    flex: 1;
    min-width: 20px;
}

.sol-foundations {
    display: flex;
    gap: var(--sol-card-gap);
    flex-shrink: 0;
}

.sol-tableau-row {
    display: flex;
    gap: var(--sol-card-gap);
    align-items: flex-start;
}

/* --- Card Base --- */
.sol-card-slot {
    width: var(--sol-card-width);
    height: var(--sol-card-height);
    border-radius: var(--sol-card-radius);
    flex-shrink: 0;
}

.sol-card {
    width: var(--sol-card-width);
    height: var(--sol-card-height);
    border-radius: var(--sol-card-radius);
    position: relative;
    cursor: default;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    flex-shrink: 0;
}

.sol-card.face-up {
    background: var(--sol-card-bg);
    border: 1px solid var(--sol-card-border);
    box-shadow: var(--sol-card-shadow);
    cursor: grab;
}

.sol-card.face-up:hover {
    box-shadow: var(--sol-card-shadow-hover);
    transform: translateY(-2px);
}

.sol-card.dragging {
    opacity: 0.3;
    transform: none !important;
}

/* --- Card Back (Altenburger Rauten-Muster) --- */
.sol-card.face-down {
    background: var(--sol-back-primary);
    border: 1px solid #0f2a4f;
    box-shadow: var(--sol-card-shadow);
    overflow: hidden;
}

.sol-card-back {
    position: absolute;
    inset: 3px;
    border-radius: 5px;
    border: 2px solid var(--sol-back-secondary);
    overflow: hidden;
    background:
        repeating-linear-gradient(
            45deg,
            var(--sol-back-primary) 0px,
            var(--sol-back-primary) 6px,
            var(--sol-back-pattern) 6px,
            var(--sol-back-pattern) 7px
        ),
        repeating-linear-gradient(
            -45deg,
            var(--sol-back-primary) 0px,
            var(--sol-back-primary) 6px,
            var(--sol-back-pattern) 6px,
            var(--sol-back-pattern) 7px
        );
}

.sol-card-back::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1.5px solid var(--sol-back-secondary);
    border-radius: 3px;
    background: var(--sol-back-primary);
    opacity: 0.85;
}

.sol-card-back::after {
    content: '\2666';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    color: var(--sol-back-secondary);
    text-shadow: 0 0 4px rgba(200, 168, 78, 0.3);
    z-index: 1;
}

/* --- Card Face Content --- */
.sol-card-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    padding: 4px 6px;
    overflow: hidden;
}

/* Corner Indices */
.sol-card-corner {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    gap: 0;
}

.sol-card-corner-tl {
    position: absolute;
    top: 4px;
    left: 5px;
}

.sol-card-corner-br {
    position: absolute;
    bottom: 4px;
    right: 5px;
    transform: rotate(180deg);
}

.sol-card-rank {
    font-size: 16px;
    font-weight: 700;
    font-family: 'Georgia', 'Palatino Linotype', serif;
    line-height: 1;
}

.sol-card-suit-small {
    font-size: 13px;
    line-height: 1;
    margin-top: -1px;
}

/* Color Classes */
.card-red .sol-card-rank,
.card-red .sol-card-suit-small,
.card-red .sol-card-center {
    color: var(--sol-red);
}

.card-black .sol-card-rank,
.card-black .sol-card-suit-small,
.card-black .sol-card-center {
    color: var(--sol-black);
}

/* --- Card Center (Pip Layout) --- */
.sol-card-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* Pip Grid für Zahlenkarten */
.sol-pip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(5, 1fr);
    width: 48px;
    height: 90px;
    font-size: 18px;
    line-height: 1;
}

.sol-pip {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sol-pip.flipped {
    transform: rotate(180deg);
}

.sol-pip.center-col {
    grid-column: 1 / -1;
}

/* Ace - grosses Suit-Symbol */
.sol-ace-symbol {
    font-size: 52px;
    line-height: 1;
}

/* --- Court Cards (Bube, Dame, König) --- */
.sol-court {
    position: absolute;
    inset: 18px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--sol-card-border);
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(253,248,237,0.6) 0%, rgba(245,235,215,0.8) 100%);
}

.sol-court-figure {
    font-size: 42px;
    font-weight: 700;
    font-family: 'Georgia', 'Palatino Linotype', serif;
    line-height: 1;
    opacity: 0.9;
}

.sol-court-suit {
    font-size: 20px;
    margin-top: 2px;
}

/* Ornamentale Ecken für Hofkarten */
.sol-court::before,
.sol-court::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: var(--sol-gold);
    border-style: solid;
}

.sol-court::before {
    top: 2px;
    left: 2px;
    border-width: 1.5px 0 0 1.5px;
}

.sol-court::after {
    bottom: 2px;
    right: 2px;
    border-width: 0 1.5px 1.5px 0;
}

/* Koenig spezifisch */
.sol-court-king {
    background: linear-gradient(180deg,
        rgba(200, 168, 78, 0.12) 0%,
        rgba(253, 248, 237, 0.6) 30%,
        rgba(253, 248, 237, 0.6) 70%,
        rgba(200, 168, 78, 0.12) 100%);
}

.sol-court-king::before,
.sol-court-king::after {
    width: 14px;
    height: 14px;
    border-color: var(--sol-gold);
    border-width: 2px;
}

.sol-court-king::before {
    border-width: 2px 0 0 2px;
}

.sol-court-king::after {
    border-width: 0 2px 2px 0;
}

/* Dame spezifisch */
.sol-court-queen {
    background: linear-gradient(180deg,
        rgba(200, 168, 78, 0.08) 0%,
        rgba(253, 248, 237, 0.7) 50%,
        rgba(200, 168, 78, 0.08) 100%);
}

/* Bube spezifisch */
.sol-court-jack {
    background: linear-gradient(180deg,
        rgba(180, 180, 180, 0.08) 0%,
        rgba(253, 248, 237, 0.5) 50%,
        rgba(180, 180, 180, 0.08) 100%);
}

/* --- Stock (Talon) --- */
.sol-stock {
    position: relative;
    cursor: pointer;
}

.sol-stock:hover {
    transform: translateY(-2px);
}

.sol-stock-empty {
    width: var(--sol-card-width);
    height: var(--sol-card-height);
    border-radius: var(--sol-card-radius);
    border: 2px dashed rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.sol-stock-empty:hover {
    border-color: rgba(255, 255, 255, 0.5);
}

.sol-stock-refresh {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Waste (Ablagestapel) --- */
.sol-waste {
    position: relative;
    width: var(--sol-card-width);
    height: var(--sol-card-height);
}

/* --- Foundation Slots --- */
.sol-foundation-slot {
    width: var(--sol-card-width);
    height: var(--sol-card-height);
    border-radius: var(--sol-card-radius);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.sol-foundation-slot .sol-foundation-suit {
    font-size: 32px;
    opacity: 0.2;
    color: #fff;
}

.sol-foundation-slot .sol-card {
    position: absolute;
    top: 0;
    left: 0;
}

.sol-foundation-slot.drop-target-hover {
    border-color: var(--sol-gold);
    background: rgba(200, 168, 78, 0.15);
}

/* --- Tableau Piles --- */
.sol-tableau-pile {
    width: var(--sol-card-width);
    min-height: var(--sol-card-height);
    position: relative;
    border-radius: var(--sol-card-radius);
    transition: background 0.2s ease, border-color 0.2s ease;
    border: 2px dashed transparent;
}

.sol-tableau-pile.empty-pile {
    border-color: rgba(255, 255, 255, 0.15);
}

.sol-tableau-pile .sol-card {
    position: absolute;
    left: 0;
}

.sol-tableau-pile.drop-target-hover {
    background: rgba(200, 168, 78, 0.12);
}

.sol-tableau-pile.drop-target-hover.empty-pile {
    border-color: var(--sol-gold);
    background: rgba(200, 168, 78, 0.15);
}

/* --- Drag Ghost --- */
.sol-drag-ghost {
    width: var(--sol-card-width);
    pointer-events: none;
    z-index: 10000;
}

.sol-drag-ghost .sol-card {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    transform: rotate(2deg);
}

/* --- Win Screen --- */
.sol-win-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    z-index: 20000;
    animation: solFadeIn 0.5s ease;
    backdrop-filter: blur(6px);
}

.sol-win-card {
    background: linear-gradient(135deg, #1a3a6b 0%, #2a5a8b 100%);
    border: 3px solid var(--sol-gold);
    border-radius: 16px;
    padding: 40px 60px;
    text-align: center;
    color: #e8e0d0;
    box-shadow: 0 0 60px rgba(200, 168, 78, 0.3);
    animation: solScaleIn 0.5s ease 0.2s both;
}

.sol-win-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--sol-gold-light);
    margin-bottom: 16px;
    font-variant: small-caps;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sol-win-stats {
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.8;
}

.sol-win-stats strong {
    color: var(--sol-gold-light);
}

@keyframes solFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes solScaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* --- Firework Animation for Win --- */
.sol-firework {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: solFirework 1.5s ease-out infinite;
}

@keyframes solFirework {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--fw-x), var(--fw-y)) scale(0); opacity: 0; }
}

/* --- Responsive --- */
@media (max-width: 900px) {
    :root {
        --sol-card-width: 80px;
        --sol-card-height: 112px;
        --sol-card-gap: 8px;
        --sol-tableau-face-down-offset: 6px;
        --sol-tableau-face-up-offset: 22px;
    }

    .sol-card-rank { font-size: 13px; }
    .sol-card-suit-small { font-size: 11px; }
    .sol-ace-symbol { font-size: 40px; }
    .sol-court-figure { font-size: 34px; }
    .sol-court-suit { font-size: 16px; }
    .sol-pip-grid { font-size: 14px; width: 38px; height: 70px; }
}

@media (max-width: 650px) {
    :root {
        --sol-card-width: 60px;
        --sol-card-height: 84px;
        --sol-card-gap: 5px;
        --sol-tableau-face-down-offset: 5px;
        --sol-tableau-face-up-offset: 18px;
    }

    .sol-card-rank { font-size: 11px; }
    .sol-card-suit-small { font-size: 9px; }
    .sol-ace-symbol { font-size: 30px; }
    .sol-court-figure { font-size: 26px; }
    .sol-court-suit { font-size: 13px; }
    .sol-pip-grid { font-size: 11px; width: 30px; height: 54px; }
    .sol-court { inset: 14px 8px; }
    .sol-card-back::after { font-size: 22px; }
    .sol-win-card { padding: 24px 32px; }
    .sol-win-title { font-size: 24px; }
}

/* --- Auto-Complete Button --- */
.sol-auto-complete-btn {
    animation: solPulse 2s ease-in-out infinite;
    border-color: var(--sol-gold) !important;
    background: rgba(200, 168, 78, 0.25) !important;
    color: var(--sol-gold-light) !important;
}

@keyframes solPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(200, 168, 78, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(200, 168, 78, 0); }
}

/* --- Card Flip Animation --- */
.sol-card-flip {
    animation: solCardFlip 0.3s ease;
}

@keyframes solCardFlip {
    0% { transform: scaleX(1); }
    50% { transform: scaleX(0); }
    100% { transform: scaleX(1); }
}

/* --- Ornamental Line for Ace --- */
.sol-ace-ornament {
    position: absolute;
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0.3;
    left: 20%;
}

.sol-ace-ornament-top { top: 28px; }
.sol-ace-ornament-bottom { bottom: 28px; }

/* --- 10er Karten: kleinere Schrift im Eck --- */
.sol-card-rank-ten {
    font-size: 13px;
}

@media (max-width: 900px) {
    .sol-card-rank-ten { font-size: 11px; }
}

@media (max-width: 650px) {
    .sol-card-rank-ten { font-size: 9px; }
}