/* ── Chat overlay ─────────────────────────────────────────────────────────────
   Floating toggle + slide-up panel, uses global design system vars
   ────────────────────────────────────────────────────────────────────────── */

/* Toggle button */
.chat-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 80;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, var(--surface), #1a0f2e);
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}
.chat-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

/* Unread badge */
.chat-unread-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--pink);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    font-family: 'Quicksand', sans-serif;
}

/* Chat panel */
.chat-panel {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 81;
    width: 360px;
    max-width: calc(100vw - 40px);
    max-height: min(50vh, 420px);
    background: rgba(26, 15, 46, 0.97);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    animation: chat-slide-up 0.25s ease-out;
    backdrop-filter: blur(8px);
}

@keyframes chat-slide-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.chat-title {
    font-family: 'Quicksand', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}
.chat-close-btn {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}
.chat-close-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

/* Messages area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 120px;
}
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* Empty state */
.chat-empty {
    text-align: center;
    color: var(--muted);
    font-size: 0.82rem;
    padding: 2rem 0;
    opacity: 0.6;
}

/* Message bubble */
.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 82%;
}
.chat-msg-other { align-self: flex-start; }
.chat-msg-mine  { align-self: flex-end; }

.chat-msg-name {
    font-size: 0.7rem;
    color: var(--muted);
    margin-bottom: 2px;
    font-weight: 600;
}
.chat-msg-text {
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 0.85rem;
    line-height: 1.35;
    word-break: break-word;
}
.chat-msg-other .chat-msg-text {
    background: var(--surface);
    color: var(--text);
    border-bottom-left-radius: 3px;
}
.chat-msg-mine .chat-msg-text {
    background: linear-gradient(135deg, var(--teal), #3baa9f);
    color: #fff;
    border-bottom-right-radius: 3px;
}

/* Spoiler warning */
.chat-spoiler-warning {
    background: rgba(255, 107, 157, 0.15);
    color: var(--pink);
    font-size: 0.78rem;
    padding: 6px 12px;
    text-align: center;
    border-top: 1px solid rgba(255, 107, 157, 0.2);
    flex-shrink: 0;
}

/* Input bar */
.chat-input-bar {
    display: flex;
    gap: 6px;
    padding: 8px 10px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 7px 10px;
    font-size: 0.85rem;
    color: var(--text);
    font-family: 'Quicksand', sans-serif;
    outline: none;
    transition: border-color 0.2s;
    min-width: 0;
}
.chat-input:focus {
    border-color: var(--teal);
}
.chat-input::placeholder { color: var(--muted); opacity: 0.7; }

.chat-send-btn {
    background: linear-gradient(135deg, var(--teal), #3baa9f);
    border: none;
    border-radius: 8px;
    padding: 7px 14px;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Quicksand', sans-serif;
    transition: opacity 0.2s, transform 0.2s;
    flex-shrink: 0;
}
.chat-send-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}
.chat-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Mobile: full-width panel */
@media (max-width: 600px) {
    .chat-panel {
        right: 0;
        bottom: 0;
        width: 100vw;
        max-width: 100vw;
        max-height: 55vh;
        border-radius: 12px 12px 0 0;
    }
    .chat-toggle-btn {
        bottom: 14px;
        right: 14px;
        width: 46px;
        height: 46px;
    }
}