/* ==================== Base ==================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Yu Gothic", "Hiragino Sans", "Meiryo", sans-serif;
    background: #1a1a2e;
    color: #e0e0e0;
    text-align: center;
    padding: 16px;
    min-height: 100vh;
}

h1 { margin-bottom: 16px; font-size: 22px; letter-spacing: 0.1em; color: #f0d070; }
h3 { margin: 12px 0 8px; font-size: 15px; }

/* ==================== Components ==================== */
.panel {
    background: #16213e;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid #0f3460;
}

button {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    background: #0f3460;
    color: #e0e0e0;
    cursor: pointer;
    font-size: 14px;
    margin: 2px;
    transition: background 0.15s;
}
button:hover { background: #1a4a7a; }
button:active { background: #0a2540; }

.btn-sm { font-size: 11px; padding: 2px 8px; }
.btn-secondary { background: #333; }
.btn-secondary:hover { background: #555; }
.btn-danger { background: #6a1a1a; }
.btn-danger:hover { background: #8a3a3a; }

input {
    display: block;
    width: 100%;
    margin: 6px 0;
    padding: 8px 10px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #0d1b2a;
    color: #e0e0e0;
    font-size: 14px;
}
input:focus { outline: none; border-color: #e94560; }

/* ==================== Lobby ==================== */
#lobby { max-width: 480px; margin: 0 auto; }

#resume-section { background: #1a3a2a; border-color: #2a6a3a; }

.game-item {
    background: #0d1b2a;
    padding: 8px 12px;
    margin: 5px 0;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.game-item button { font-size: 12px; padding: 4px 10px; background: #e94560; }
.game-item button:hover { background: #ff6580; }

.no-games { color: #666; font-size: 13px; padding: 8px; }

/* ==================== Join Dialog ==================== */
.dialog-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 100;
}
.dialog-content {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 101;
    width: 340px;
    max-width: 90vw;
}
.dialog-buttons { margin-top: 10px; display: flex; gap: 8px; justify-content: center; }
.promote-panel { text-align: center; }
.promote-panel p { font-size: 16px; margin-bottom: 12px; }
.btn-promote { font-size: 15px; padding: 8px 20px; min-width: 72px; }
#promote-yes { background: #8a4a10; }
#promote-yes:hover { background: #aa6a20; }
#promote-no { background: #2a4a6a; }
#promote-no:hover { background: #3a6a8a; }

/* ==================== Game Screen ==================== */
#game-screen { display: inline-block; }

#game-info {
    font-size: 13px;
    line-height: 1.6;
    text-align: left;
    max-width: 560px;
    margin: 0 auto 8px;
}
#game-info .turn-highlight {
    color: #f0d070;
    font-weight: bold;
}
#game-info .status-finished { color: #e94560; font-weight: bold; }

/* ==================== Hand Areas ==================== */
.hand-area {
    padding: 6px 10px;
    min-height: 38px;
    background: #16213e;
    border-radius: 4px;
    margin: 4px auto;
    max-width: 560px;
    text-align: left;
    border: 1px solid #0f3460;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
}

.hand-label {
    font-size: 12px;
    margin-right: 6px;
    color: #999;
    white-space: nowrap;
}

.hand-piece {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    padding: 2px 6px;
    background: #2a2a2a;
    border: 1px solid #555;
    color: #ddd;
    border-radius: 3px;
    cursor: default;
    min-width: 32px;
    font-family: "Yu Mincho", "Hiragino Mincho Pro", "MS Mincho", serif;
}
.hand-piece .count {
    font-size: 11px;
    margin-left: 1px;
    color: #f0d070;
    font-family: sans-serif;
}
.hand-piece.clickable { cursor: pointer; background: #3a3520; border-color: #7a6a30; }
.hand-piece.clickable:hover { background: #4a4530; }
.hand-piece.selected { background: #5a4a10; border-color: #f0a030; box-shadow: 0 0 4px #f0a030; }

/* ==================== Board Canvas ==================== */
#board-canvas {
    display: block;
    margin: 0 auto;
    cursor: pointer;
    border-radius: 2px;
}

/* ==================== Controls ==================== */
#controls {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2px;
}
#controls button { min-width: 38px; }
#move-display {
    display: inline-block;
    min-width: 70px;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}
.divider { display: inline-block; width: 12px; }

/* ==================== Chat ==================== */
#chat-section {
    max-width: 560px;
    margin: 8px auto 0;
}
#chat-messages {
    height: 150px;
    overflow-y: auto;
    background: #0d1b2a;
    border-radius: 4px;
    padding: 6px 8px;
    margin-bottom: 6px;
    font-size: 13px;
    line-height: 1.5;
}
#chat-messages .chat-msg { margin-bottom: 2px; }
#chat-messages .chat-sender { color: #f0d070; font-weight: bold; margin-right: 4px; }
#chat-messages .chat-sender.spectator { color: #888; }
#chat-form { display: flex; gap: 4px; }
#chat-form input { flex: 1; }
#chat-form button { flex-shrink: 0; }