/* ═══════════════════════════════════════════════════
   ONLINE — Mathematical Precision
   ═══════════════════════════════════════════════════ */

/* ── Online Card (matchmaking modal) ── */
.online-card {
    max-width: 420px;
    width: 90vw;
}

.online-card .modal-title {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.online-actions {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.online-divider {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--text-4);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.online-divider::before,
.online-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.join-inline {
    display: flex;
    gap: .5rem;
}

.join-inline input {
    flex: 1;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    letter-spacing: .2em;
    text-align: center;
}

.play-btn--sm {
    padding: .55rem 1.2rem;
    font-size: .85rem;
}

.online-error {
    color: var(--red, #e04040);
    font-size: .8rem;
    margin: 0;
    padding: .25rem 0;
}

.online-player-count {
    font-size: .75rem;
    color: var(--text-4);
    text-align: center;
    margin-top: .5rem;
}

/* ── Public Room List ── */
.public-rooms {
    margin-top: 1rem;
}

.public-rooms-title {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .5rem;
}

.room-list {
    display: flex;
    flex-direction: column;
    gap: .375rem;
    max-height: 180px;
    overflow-y: auto;
    padding-right: .25rem;
}

.room-list::-webkit-scrollbar {
    width: 4px;
}

.room-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.room-empty {
    text-align: center;
    color: var(--text-4);
    font-size: .8rem;
    padding: 1rem 0;
}

.room-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .5rem .75rem;
    background: var(--card);
    border: 1px solid var(--b1);
    border-radius: 8px;
    transition: border-color .15s;
}

.room-item:hover {
    border-color: var(--green);
}

.room-item-info {
    display: flex;
    flex-direction: column;
    gap: .1rem;
}

.room-item-host {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-1);
}

.room-item-settings {
    font-size: .7rem;
    color: var(--text-4);
}

.room-join-btn {
    background: var(--green, #84ad4b);
    color: #1c3700;
    border: none;
    border-radius: 6px;
    padding: .35rem .75rem;
    font-size: .75rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .15s;
}

.room-join-btn:hover {
    opacity: .85;
}

/* ── Create Room Settings ── */
.vis-hint {
    font-size: .75rem;
    color: var(--text-4);
    margin-top: .25rem;
}

/* ── Room Code Display ── */
.room-code-display {
    text-align: center;
    margin: 1rem 0;
}

.room-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: .3em;
    color: var(--green);
    background: var(--bg);
    border: 2px dashed var(--b1);
    border-radius: 12px;
    padding: .5rem 1.25rem;
    display: inline-block;
    user-select: all;
}

.room-code-actions {
    display: flex;
    gap: .5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.room-code-actions .modal-btn {
    font-size: .8rem;
    padding: .4rem .75rem;
}

/* ── Waiting Spinner ── */
.waiting-spinner {
    display: flex;
    gap: .35rem;
    justify-content: center;
    margin: 1rem 0;
}

.waiting-spinner span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green, #84ad4b);
    animation: waitBounce 1.4s infinite ease-in-out both;
}

.waiting-spinner span:nth-child(1) { animation-delay: 0s; }
.waiting-spinner span:nth-child(2) { animation-delay: .16s; }
.waiting-spinner span:nth-child(3) { animation-delay: .32s; }

@keyframes waitBounce {
    0%, 80%, 100% { transform: scale(0.4); opacity: .4; }
    40% { transform: scale(1); opacity: 1; }
}

.waiting-text {
    text-align: center;
    font-size: .8rem;
    color: var(--text-4);
    margin-bottom: 1rem;
}

/* ── Pre-game Lobby ── */
.lobby-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.lobby-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
}

.lobby-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--green, #84ad4b);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
}

.lobby-avatar--opp {
    background: var(--red-d);
}

.lobby-vs-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-3);
    letter-spacing: .05em;
}

.lobby-countdown {
    text-align: center;
    font-size: 1rem;
    color: var(--text-3);
}

.lobby-countdown span {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--green, #84ad4b);
}

/* ── Connection Badge (in-game HUD) ── */
.conn-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .7rem;
    color: var(--text-4);
    padding: .15rem .5rem;
    border-radius: 4px;
    background: var(--card);
}

.conn-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-4);
}

.conn-dot.conn-ok {
    background: var(--green);
}

.conn-dot.conn-warn {
    background: var(--amber);
    animation: connPulse .8s infinite alternate;
}

.conn-dot.conn-err {
    background: var(--red);
}

@keyframes connPulse {
    from { opacity: .5; }
    to { opacity: 1; }
}

/* ── Disconnect Overlay ── */
#disconnectOverlay .modal-card {
    text-align: center;
}

#disconnectOverlay .modal-sub {
    font-family: 'JetBrains Mono', monospace;
}

#disconnectTimer {
    font-weight: 700;
    color: var(--red, #e04040);
    font-size: 1.1em;
}

/* ── Reconnect overlay (self-reconnect) ── */
#reconnectOverlay{
    position:fixed;inset:0;background:rgba(0,0,0,0.8);
    z-index:10001;display:none;align-items:center;justify-content:center;
    backdrop-filter:blur(4px);
}
#reconnectOverlay.active{display:flex}
.reconnect-card{
    background:var(--panel);border:1px solid var(--b1);border-radius:var(--r-lg);
    padding:32px 40px;text-align:center;max-width:300px;width:90vw;
}
.reconnect-card h2{font-size:var(--fs-md);font-weight:700;margin-bottom:8px}
.reconnect-card p{font-size:var(--fs-sm);color:var(--text-3);margin-bottom:20px}
.reconnect-attempts{
    font-family:var(--f-mono);font-size:var(--fs-xs);color:var(--amber);
    margin-bottom:16px;
}
.reconnect-spinner{display:flex;gap:5px;justify-content:center;margin-bottom:20px}
.reconnect-spinner span{
    width:8px;height:8px;border-radius:50%;background:var(--green);
    animation:waitBounce 1.4s infinite ease-in-out both;
}
.reconnect-spinner span:nth-child(1){animation-delay:0s}
.reconnect-spinner span:nth-child(2){animation-delay:.16s}
.reconnect-spinner span:nth-child(3){animation-delay:.32s}

/* ── Connection lost modal (after max retries) ── */
#connectionLostModal{
    position:fixed;inset:0;background:rgba(0,0,0,0.85);
    z-index:10002;display:none;align-items:center;justify-content:center;
}
#connectionLostModal.active{display:flex}
.conn-lost-card{
    background:var(--panel);border:1px solid var(--b2);border-radius:var(--r-lg);
    padding:32px 40px;text-align:center;max-width:300px;width:90vw;
}
.conn-lost-card h2{font-size:var(--fs-md);font-weight:700;margin-bottom:8px;color:var(--red)}
.conn-lost-card p{font-size:var(--fs-sm);color:var(--text-3);margin-bottom:20px}
.conn-lost-btns{display:flex;flex-direction:column;gap:8px}

/* ── Move validation toast ── */
#moveToast{
    position:fixed;top:50%;left:50%;
    transform:translate(-50%,-50%) scale(0.9);
    background:var(--panel);border:1px solid var(--b2);border-radius:var(--r);
    padding:10px 20px;font-size:var(--fs-sm);font-weight:600;color:var(--text);
    z-index:9997;pointer-events:none;opacity:0;
    transition:opacity 0.18s var(--ease),transform 0.18s var(--ease);
    white-space:nowrap;
}
#moveToast.visible{opacity:1;transform:translate(-50%,-50%) scale(1)}
#moveToast.toast--error{border-color:var(--red);color:var(--red)}
#moveToast.toast--success{border-color:var(--green);color:var(--green)}
#moveToast.toast--info{border-color:var(--text-3);color:var(--text)}

/* ── Ping display ── */
.conn-ping{
    font-family:var(--f-mono);font-size:var(--fs-2xs);color:var(--text-3);
    margin-left:2px;
}
.conn-ping.ping-warn{color:var(--amber)}
.conn-ping.ping-bad{color:var(--red)}

/* ── Emoji reaction bar ── */
.reaction-bar{
    display:none;align-items:center;gap:3px;
    margin-left:auto;padding-left:8px;
}
.reaction-bar.active{display:flex}
.reaction-btn{
    background:var(--card);border:1px solid var(--b1);border-radius:6px;
    padding:2px 6px;font-size:0.9rem;cursor:pointer;
    transition:transform 0.1s,border-color 0.1s;line-height:1.4;
}
.reaction-btn:hover:not(:disabled){transform:scale(1.2);border-color:var(--green)}
.reaction-btn:disabled{opacity:0.35;cursor:default;transform:none}

/* ── Responsive ── */
@media (max-width: 600px) {
    .online-card {
        width: 95vw;
        padding: 1.25rem;
    }

    .room-code {
        font-size: 1.6rem;
        letter-spacing: .2em;
    }

    .lobby-vs {
        gap: .75rem;
    }

    .lobby-avatar {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
}

/* ── Account Tab ── */
.auth-intro {
    color: var(--text-3);
    font-size: .875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.auth-form {
    display: flex;
    gap: .5rem;
    margin-bottom: .75rem;
}

.auth-form .field-input {
    flex: 1;
    min-width: 0;
}

.auth-submit-btn {
    padding: .55rem 1rem;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity .15s;
}
.auth-submit-btn:hover { opacity: .85; }

.auth-status {
    font-size: .8rem;
    min-height: 1.2em;
    color: var(--text-3);
}
.auth-status.ok   { color: var(--green); }
.auth-status.error { color: var(--red, #e04040); }

.auth-empty {
    color: var(--text-4);
    font-size: .8rem;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1rem;
}

.profile-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--green);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
    min-width: 0;
}

.profile-name {
    font-weight: 700;
    font-size: .95rem;
    color: var(--text-1);
}

.profile-email {
    font-size: .75rem;
    color: var(--text-4);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.auth-signout-btn {
    padding: .35rem .75rem;
    background: transparent;
    border: 1px solid var(--border-1);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .75rem;
    color: var(--text-3);
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color .15s, color .15s;
}
.auth-signout-btn:hover { border-color: var(--text-3); color: var(--text-1); }

.profile-stats {
    display: flex;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.profile-stat {
    flex: 1;
    background: var(--surface-2);
    border-radius: var(--radius);
    padding: .6rem;
    text-align: center;
}

.profile-stat-val {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--green);
    line-height: 1;
    margin-bottom: .2rem;
}

.profile-stat-label {
    font-size: .7rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.auth-section-title {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-4);
    margin: 1rem 0 .4rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.lb-note {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: .7rem;
}

.match-history,
.leaderboard {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    max-height: 180px;
    overflow-y: auto;
}

.match-row,
.lb-row {
    display: grid;
    align-items: center;
    padding: .3rem .5rem;
    border-radius: calc(var(--radius) - 2px);
    font-size: .8rem;
    background: var(--surface-2);
}

.match-row {
    grid-template-columns: 1.5rem 1fr auto auto;
    gap: .5rem;
}

.match-result {
    font-weight: 700;
}
.match-row.win  .match-result { color: var(--green); }
.match-row.loss .match-result { color: var(--red, #e04040); }

.match-opp { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.match-elo { font-family: var(--font-mono, monospace); font-size: .75rem; color: var(--text-3); }
.match-date { color: var(--text-4); font-size: .72rem; }

.lb-row {
    grid-template-columns: 2rem 1fr auto 4.5rem;
    gap: .5rem;
}

.lb-row.lb-me { background: color-mix(in srgb, var(--green) 15%, var(--surface-2)); }

.lb-rank { color: var(--text-4); font-size: .72rem; text-align: right; }
.lb-name { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-elo  { font-weight: 700; color: var(--green); }
.lb-record { color: var(--text-4); font-size: .72rem; text-align: right; }