body {
    min-height: 100vh;
}

.spades-page {
    max-width: 1180px;
}

.how-to-play {
    width: 100%;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 14px 16px;
    text-align: left;
}

.how-to-play summary {
    cursor: pointer;
    color: var(--secondary-color);
    font-weight: 700;
    text-align: center;
}

.how-to-play-content {
    margin-top: 14px;
    color: var(--text-color);
}

.how-to-play-content h4 {
    color: var(--primary-color);
    margin: 12px 0 4px;
}

.how-to-play-content p {
    margin-bottom: 8px;
}

.lobby-back-btn,
#back-to-modes-from-setup {
    margin-top: 16px;
}

.setup-note {
    color: var(--text-muted);
    margin: 8px 0 20px;
    text-align: center;
}

.game-area {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.status {
    min-height: 1.8em;
    margin: 10px 0 14px;
    color: var(--secondary-color);
    font-size: 1.15rem;
    font-weight: 800;
    text-align: center;
}

.online-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 10px;
}

.online-badge {
    background: var(--success-color);
    color: white;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.opponent-name {
    color: var(--text-muted);
    font-weight: 700;
}

.scoreboard {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.team-card {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    text-align: left;
}

.team-card.active-team {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.12);
}

.team-card h2 {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 8px;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.team-stat {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 8px;
    text-align: center;
}

.team-stat span {
    display: block;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.team-stat strong {
    display: block;
    color: var(--secondary-color);
    font-size: 1.05rem;
}

.round-summary {
    background: var(--background-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--secondary-color);
    margin-bottom: 14px;
    padding: 10px 12px;
    text-align: center;
}

.round-summary:empty {
    display: none;
}

.spades-table {
    display: grid;
    grid-template-columns: minmax(135px, 1fr) minmax(260px, 1.35fr) minmax(135px, 1fr);
    grid-template-areas:
        ". north ."
        "west trick east"
        ". south .";
    gap: 12px;
    align-items: center;
    margin: 12px 0 18px;
}

.seat {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    min-height: 128px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.seat.active-player {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.seat.viewer-seat {
    border-color: var(--success-color);
}

.seat.partner-seat {
    background: #f4fbf6;
}

.seat-north { grid-area: north; }
.seat-west { grid-area: west; }
.seat-east { grid-area: east; }
.seat-south { grid-area: south; }

.seat-name-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.seat-name {
    color: var(--secondary-color);
    font-weight: 800;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.seat-tag {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 7px;
    white-space: nowrap;
}

.seat-meta {
    color: var(--text-muted);
    display: grid;
    gap: 2px;
    font-size: 0.86rem;
    margin-bottom: 8px;
}

.mini-hand {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
    min-height: 34px;
}

.card-back-mini,
.card-mini {
    align-items: center;
    border-radius: 5px;
    display: inline-flex;
    font-size: 0.74rem;
    font-weight: 800;
    height: 32px;
    justify-content: center;
    width: 22px;
}

.card-back-mini {
    background: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: white;
}

.card-mini {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
}

.card-mini.red-suit {
    color: var(--danger-color);
}

.trick-area {
    grid-area: trick;
    background: linear-gradient(180deg, var(--background-color), var(--card-background));
    border: 2px dashed var(--border-color);
    border-radius: 18px;
    min-height: 230px;
    padding: 16px;
    text-align: center;
}

.trick-area h2 {
    color: var(--secondary-color);
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.trick-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.trick-slot {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    min-height: 86px;
    padding: 8px;
}

.trick-player {
    color: var(--text-muted);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.bid-panel {
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    border-radius: 14px;
    margin: 16px auto;
    max-width: 720px;
    padding: 16px;
    text-align: center;
}

.bid-panel h2 {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.bid-panel p {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.bid-options {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
}

.bid-option {
    min-height: 44px;
    padding: 8px;
}

.bid-option.nil-bid {
    background: var(--secondary-color);
}

.hand-area {
    margin-top: 10px;
}

.hand-area h2 {
    color: var(--secondary-color);
    font-size: 1.05rem;
    margin-bottom: 10px;
    text-align: center;
}

.hand {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    min-height: 108px;
}

.spades-card {
    align-items: center;
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    color: var(--secondary-color);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    font-weight: 900;
    height: 92px;
    justify-content: space-between;
    min-width: 62px;
    padding: 8px 6px;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
    user-select: none;
    width: 62px;
}

button.spades-card {
    font-family: inherit;
}

.spades-card.playable:hover,
.spades-card.playable:focus {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    outline: none;
}

.spades-card.unplayable,
.spades-card:disabled {
    cursor: not-allowed;
    opacity: 0.45;
    transform: none;
}

.spades-card.red-suit {
    color: var(--danger-color);
}

.spades-card .rank {
    font-size: 1.15rem;
    line-height: 1;
}

.spades-card .suit {
    font-size: 1.45rem;
    line-height: 1;
}

.spades-card.trick-card {
    cursor: default;
    height: 68px;
    margin: 0 auto;
    min-width: 46px;
    padding: 5px;
    width: 46px;
}

.spades-card.trick-card .rank {
    font-size: 0.9rem;
}

.spades-card.trick-card .suit {
    font-size: 1.05rem;
}

.action-log {
    background: #fff8e5;
    border: 1px solid var(--warning-color);
    border-radius: var(--border-radius);
    color: #6f4b00;
    font-size: 0.92rem;
    font-weight: 650;
    margin: 14px 0;
    min-height: 2.4em;
    padding: 10px 12px;
    text-align: center;
}

.round-controls,
.game-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 12px;
}

@media (max-width: 820px) {
    .scoreboard,
    .team-stats {
        grid-template-columns: 1fr 1fr;
    }

    .spades-table {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "north north"
            "west east"
            "trick trick"
            "south south";
    }

    .bid-options {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .game-area {
        padding: 14px;
    }

    .scoreboard,
    .team-stats,
    .trick-cards {
        grid-template-columns: 1fr;
    }

    .seat {
        min-height: 110px;
    }

    .spades-card {
        height: 78px;
        min-width: 50px;
        width: 50px;
    }

    .spades-card .rank {
        font-size: 0.98rem;
    }

    .spades-card .suit {
        font-size: 1.2rem;
    }

    .bid-options {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .room-code-display {
        font-size: 2rem;
        letter-spacing: 3px;
        padding: 12px 18px;
    }
}