.cards-page {
    min-height: 100vh;
    margin: 0;
    color: #f8f3df;
    background: #0d3b2a url("../assets/cards/table-background.png") center / cover fixed;
    font-family: Arial, sans-serif;
    overflow-x: hidden;
}

#cards-effects {
    position: fixed;
    inset: 0;
    z-index: 4;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.effects-active #cards-effects {
    opacity: 1;
}

.solitaire-shell {
    position: relative;
    z-index: 1;
    width: min(100vw - 16px, 980px);
    min-height: 100vh;
    margin: 0 auto;
    padding: 12px 0 20px;
    box-sizing: border-box;
}

.completion-banner {
    position: fixed;
    left: 50%;
    top: 44%;
    z-index: 5;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.88);
    opacity: 0;
    padding: 12px 24px;
    border: 1px solid rgba(255, 239, 178, 0.76);
    border-radius: 8px;
    color: #fff8d8;
    background: rgba(4, 24, 20, 0.72);
    box-shadow: 0 0 34px rgba(255, 226, 128, 0.42), inset 0 0 16px rgba(255, 255, 255, 0.12);
    font-size: clamp(2rem, 8vw, 5.4rem);
    font-weight: 900;
    letter-spacing: 0;
    text-shadow: 0 3px 14px rgba(0, 0, 0, 0.6);
}

.completion-active .completion-banner {
    animation: completion-pop 2600ms ease both;
}

.completion-active .board {
    animation: board-clear-glow 2600ms ease both;
}

.top-bar,
.status-row,
.upper-board,
.tableau {
    width: 100%;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.left-tools,
.right-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.tool-button,
.menu-panel select {
    min-height: 34px;
    border: 1px solid rgba(255, 236, 180, 0.55);
    border-radius: 6px;
    color: #fff7d7;
    background: rgba(14, 38, 33, 0.82);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
}

.tool-button {
    padding: 0 12px;
    font-weight: 700;
    cursor: pointer;
}

a.tool-button {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    box-sizing: border-box;
}

.tool-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.time-display {
    min-width: 62px;
    padding: 7px 10px;
    border-radius: 6px;
    background: rgba(4, 24, 20, 0.7);
    font-weight: 700;
    text-align: center;
}

.menu-panel {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
    padding: 10px;
    border: 1px solid rgba(255, 236, 180, 0.35);
    border-radius: 8px;
    background: rgba(4, 24, 20, 0.82);
}

.menu-panel[hidden] {
    display: none;
}

.menu-panel label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.92rem;
}

.status-row {
    min-height: 28px;
    margin: 8px 0 10px;
}

.status-row p {
    margin: 0;
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(4, 24, 20, 0.58);
}

.board {
    --card-width: clamp(44px, 9vw, 74px);
    --card-height: calc(var(--card-width) * 1.405405);
    --pile-gap: clamp(4px, 1.1vw, 12px);
}

.upper-board {
    display: grid;
    grid-template-columns: repeat(2, var(--card-width)) minmax(8px, 1fr) repeat(4, var(--card-width));
    gap: var(--pile-gap);
    align-items: start;
}

.tableau {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, var(--card-width)));
    gap: var(--pile-gap);
    margin-top: 18px;
    align-items: start;
}

.pile,
.tableau-column {
    position: relative;
    width: var(--card-width);
    min-height: var(--card-height);
    border: 1px solid rgba(255, 236, 180, 0.35);
    border-radius: 7px;
    background: rgba(2, 31, 23, 0.42);
    box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.22);
    box-sizing: border-box;
}

.pile {
    cursor: pointer;
}

.foundation-pile::after {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: rgba(255, 248, 220, 0.36);
    font-size: calc(var(--card-width) * 0.34);
    font-weight: 700;
}

.foundation-pile[data-foundation="spades"]::after { content: "S"; }
.foundation-pile[data-foundation="hearts"]::after { content: "H"; }
.foundation-pile[data-foundation="diamonds"]::after { content: "D"; }
.foundation-pile[data-foundation="clubs"]::after { content: "C"; }

.tableau-column {
    min-height: calc(var(--card-height) + 220px);
}

.card {
    position: absolute;
    width: var(--card-width);
    height: var(--card-height);
    border: 0;
    border-radius: 7px;
    padding: 0;
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.34);
    cursor: pointer;
    transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
    touch-action: none;
    user-select: none;
}

.card.face-down {
    cursor: default;
}

.card.selected {
    transform: translateY(-4px);
    filter: drop-shadow(0 0 8px rgba(255, 238, 155, 0.95));
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.4);
}

.card.hint {
    filter: drop-shadow(0 0 7px rgba(110, 220, 255, 0.9));
}

.card.dragging {
    opacity: 0.96;
    z-index: 1200;
    pointer-events: none;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.52);
    filter: drop-shadow(0 0 10px rgba(255, 238, 155, 0.72));
    transition: none;
}

.card.dragging-stack {
    opacity: 0.96;
    z-index: 1190;
    pointer-events: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.46);
    transition: none;
}

@media (max-width: 620px) {
    .solitaire-shell {
        width: min(100vw - 8px, 620px);
        padding-top: 8px;
    }

    .top-bar {
        align-items: flex-start;
    }

    .tool-button {
        min-height: 31px;
        padding: 0 8px;
        font-size: 0.82rem;
    }

    .board {
        --card-width: calc((100vw - 44px) / 7);
        --pile-gap: 5px;
    }

    .tableau-column {
        min-height: calc(var(--card-height) + 180px);
    }
}

@media (prefers-reduced-motion: reduce) {
    #cards-effects,
    .completion-banner,
    .completion-active .board {
        transition: none;
        animation-duration: 1200ms;
    }
}

@keyframes completion-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.88);
    }

    14%,
    64% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -58%) scale(1.06);
    }
}

@keyframes board-clear-glow {
    0% {
        filter: none;
    }

    18%,
    62% {
        filter: drop-shadow(0 0 20px rgba(255, 226, 128, 0.42));
    }

    100% {
        filter: none;
    }
}