/* ─── Leaderboard button ─────────────────────────────────────────────────── */
/* Add #leaderboard button alongside your existing buttons in HTML */

/* ─── Shared modal overlay ───────────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: rgba(20, 20, 40, 0.97);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 28px 24px;
    width: 90%;
    max-width: 460px;
    color: white;
    position: relative;
}

.modal h2 {
    margin: 0 0 18px 0;
    font-size: 24px;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    min-width: unset;
    height: auto;
    background-image: none;
}

.modal-close:hover {
    color: #aaa;
    background-color: transparent;
}

/* ─── Leaderboard modal ──────────────────────────────────────────────────── */
.lb-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    justify-content: center;
}

.lb-tab {
    flex: 1;
    height: 44px;
    font-size: 16px;
    background-image: none;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    color: white;
    border: none;
    font-weight: bold;
    min-width: unset;
    transition: background-color 0.2s;
}

.lb-tab.active {
    background-color: rgba(255, 200, 50, 0.35);
    color: #ffe066;
}

.lb-tab:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.18);
    background-image: none;
}

#leaderboardList {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 340px;
    overflow-y: auto;
}

.lb-row {
    display: grid;
    grid-template-columns: 28px 1fr auto auto auto;
    gap: 6px;
    align-items: center;
    padding: 8px 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 15px;
}

.lb-row:last-child {
    border-bottom: none;
}

.lb-highlight {
    background: rgba(255, 210, 50, 0.18);
    border-radius: 8px;
    border-bottom: none !important;
    outline: 1px solid rgba(255, 210, 50, 0.5);
}

.lb-rank {
    color: #aaa;
    font-size: 13px;
}

.lb-name {
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lb-score {
    color: #ffe066;
    font-weight: bold;
    white-space: nowrap;
}

.lb-words {
    color: #aad4ff;
    font-size: 13px;
    white-space: nowrap;
}

.lb-date {
    color: #888;
    font-size: 12px;
    white-space: nowrap;
}

.lb-loading, .lb-empty, .lb-error {
    text-align: center;
    padding: 24px;
    color: #aaa;
    font-size: 15px;
}

.lb-error {
    color: #ff6666;
}

/* ─── Nickname modal ─────────────────────────────────────────────────────── */
#nicknameOverlay .modal p {
    text-align: center;
    color: #ccc;
    margin: 0 0 16px 0;
    font-size: 15px;
}

#nicknameInput {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 14px;
    font-size: 18px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    outline: none;
    margin-bottom: 8px;
}

#nicknameInput:focus {
    border-color: rgba(255, 200, 50, 0.7);
}

#nicknameError {
    color: #ff6666;
    font-size: 13px;
    min-height: 18px;
    margin-bottom: 12px;
    text-align: center;
}

.nickname-actions {
    display: flex;
    gap: 10px;
}

.nickname-actions button {
    flex: 1;
    height: 52px;
    font-size: 17px;
    border-radius: 10px;
    background-image: none;
    border: none;
    cursor: pointer;
    font-weight: bold;
    min-width: unset;
}

#nicknameSubmit {
    background-color: rgba(255, 200, 50, 0.4);
    color: white;
}

#nicknameSubmit:hover {
    background-color: rgba(255, 200, 50, 0.6);
}

#nicknameSkip {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ccc;
}

#nicknameSkip:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ─── Responsive tweaks for modals ──────────────────────────────────────── */
@media (max-width: 400px) {
    .modal {
        padding: 20px 14px;
    }

    .lb-row {
        font-size: 13px;
        grid-template-columns: 24px 1fr auto auto auto;
        gap: 4px;
    }

    .lb-date {
        display: none;
    }
}