/* ==========================================================================
   ふれあい広場 — チャットスタイル（サイト共通CSS変数を使用）
   ========================================================================== */

.plaza-lead { margin: -6px 0 18px; font-size: .92rem; }

.plaza-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 18px;
    align-items: start;
}

/* ---------------- チャット本体 ---------------- */
.plaza-main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.plaza-log {
    height: min(62vh, 640px);
    overflow-y: auto;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

.plaza-empty {
    color: var(--ink-dim);
    text-align: center;
    padding: 40px 0;
    font-size: .9rem;
}

.plaza-msg {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    animation: plaza-in .18s ease;
}
@keyframes plaza-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.plaza-msg-main { min-width: 0; flex: 1; }
.plaza-msg-head { display: flex; align-items: baseline; gap: 8px; }
.plaza-msg-name {
    font-weight: 700;
    font-size: .85rem;
    color: var(--ink);
}
.plaza-msg-time {
    font-family: var(--font-pixel);
    font-size: .68rem;
    color: var(--ink-dim);
}
.plaza-msg-body {
    margin-top: 2px;
    display: inline-block;
    max-width: 100%;
    padding: 8px 14px;
    border-radius: 4px 16px 16px 16px;
    background: var(--panel-3);
    border: 1px solid var(--border-soft);
    font-size: .92rem;
    line-height: 1.55;
    color: var(--ink);
    word-break: break-word;
    overflow-wrap: anywhere;
}
.plaza-msg.is-mine .plaza-msg-body {
    background: rgba(62, 224, 200, .12);
    border-color: rgba(62, 224, 200, .35);
}
.plaza-msg.is-mine .plaza-msg-name { color: var(--mint); }

/* 入力欄 */
.plaza-form {
    display: flex;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid var(--border-soft);
    background: var(--panel-2);
}
.plaza-form input {
    flex: 1;
    min-width: 0;
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-deep);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: .95rem;
}
.plaza-form input:focus {
    outline: none;
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(62, 224, 200, .18);
}

.plaza-guest {
    padding: 16px;
    text-align: center;
    font-size: .9rem;
    color: var(--ink-muted);
    border-top: 1px solid var(--border-soft);
    background: var(--panel-2);
}
.plaza-guest a { color: var(--mint); }

.plaza-note {
    padding: 8px 16px;
    font-size: .82rem;
    color: var(--ink-muted);
    background: var(--panel-2);
}
.plaza-note.is-error { color: var(--primary); }

/* ---------------- 参加者リスト ---------------- */
.plaza-side { padding: 16px; }
.plaza-side-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: .95rem;
    margin-bottom: 12px;
}
.plaza-count {
    margin-left: auto;
    font-family: var(--font-pixel);
    font-size: .8rem;
    color: var(--mint);
    background: rgba(62, 224, 200, .12);
    border: 1px solid rgba(62, 224, 200, .3);
    border-radius: 999px;
    padding: 1px 10px;
}
.plaza-users {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 50vh;
    overflow-y: auto;
}
.plaza-user {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 6px 8px;
    border-radius: 10px;
    background: var(--panel-2);
    border: 1px solid var(--border-soft);
}
.plaza-user-name {
    font-size: .86rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.plaza-user-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 6px rgba(62, 224, 200, .8);
    flex: none;
}
.plaza-users-empty { color: var(--ink-dim); font-size: .84rem; padding: 8px; }

/* ---------------- レスポンシブ ---------------- */
@media (max-width: 860px) {
    .plaza-layout { grid-template-columns: 1fr; }
    .plaza-side { order: -1; }
    .plaza-users { flex-direction: row; flex-wrap: wrap; max-height: none; }
    .plaza-user { padding: 4px 10px 4px 6px; }
    .plaza-log { height: 56vh; }
}

@media (prefers-reduced-motion: reduce) {
    .plaza-msg { animation: none; }
    .plaza-log { scroll-behavior: auto; }
}