/* ===========================
   DeepSeek Mystery Chatbot CSS
   =========================== */

:root {
    --dmcb-primary:  #1a3a5c;
    --dmcb-accent:   #e63946;
    --dmcb-bg:       #ffffff;
    --dmcb-msg-bg:   #f0f4f8;
    --dmcb-radius:   16px;
    --dmcb-shadow:   0 8px 40px rgba(0,0,0,0.18);
    --dmcb-font:     -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --dmcb-z:        999999;
}

/* Wrapper */
#dmcb-wrapper {
    position: fixed;
    z-index: var(--dmcb-z);
    font-family: var(--dmcb-font);
}

#dmcb-wrapper.dmcb-pos-bottom-right {
    bottom: 28px;
    right: 24px;
}

#dmcb-wrapper.dmcb-pos-bottom-left {
    bottom: 28px;
    left: 24px;
}

/* ---- Toggle Button ---- */
#dmcb-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--dmcb-primary);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#dmcb-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(0,0,0,0.32);
}

#dmcb-toggle svg {
    width: 26px;
    height: 26px;
    color: var(--dmcb-primary);
}

#dmcb-unread-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--dmcb-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: dmcb-pulse 1.5s infinite;
}

@keyframes dmcb-pulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.15); }
}

/* ---- Chat Window ---- */
#dmcb-window {
    position: absolute;
    bottom: 76px;
    width: 360px;
    height: 520px;
    background: var(--dmcb-bg);
    border-radius: var(--dmcb-radius);
    box-shadow: var(--dmcb-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: dmcb-slide-in 0.25s ease;
}

.dmcb-pos-bottom-right #dmcb-window { right: 0; }
.dmcb-pos-bottom-left  #dmcb-window { left: 0;  }

@keyframes dmcb-slide-in {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* ---- Header ---- */
#dmcb-header {
    background: var(--dmcb-primary);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.dmcb-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dmcb-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dmcb-avatar svg {
    width: 28px;
    height: 28px;
    color: var(--dmcb-primary);
}

.dmcb-bot-name {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
}

.dmcb-status {
    color: rgba(255,255,255,0.75);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.dmcb-status-dot {
    width: 7px;
    height: 7px;
    background: #4ade80;
    border-radius: 50%;
    display: inline-block;
    animation: dmcb-blink 2s infinite;
}

@keyframes dmcb-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

#dmcb-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.15s;
}

#dmcb-close-btn:hover { background: rgba(255,255,255,0.15); }

#dmcb-close-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

/* ---- Messages ---- */
#dmcb-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}

#dmcb-messages::-webkit-scrollbar { width: 4px; }
#dmcb-messages::-webkit-scrollbar-thumb { background: #ddd; border-radius: 4px; }

/* Message bubbles */
.dmcb-msg {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    animation: dmcb-msg-in 0.2s ease;
}

@keyframes dmcb-msg-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0);   }
}

.dmcb-msg.dmcb-user {
    flex-direction: row-reverse;
}

.dmcb-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--dmcb-msg-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

.dmcb-msg-bubble {
    max-width: 75%;
    padding: 10px 13px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

/* Bot bubble */
.dmcb-bot .dmcb-msg-bubble {
    background: var(--dmcb-msg-bg);
    color: #1a1a2e;
    border-bottom-left-radius: 4px;
}

/* User bubble */
.dmcb-user .dmcb-msg-bubble {
    background: var(--dmcb-accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}

/* Timestamp */
.dmcb-msg-time {
    font-size: 10px;
    color: #aaa;
    margin-top: 3px;
    text-align: right;
}

.dmcb-bot .dmcb-msg-time { text-align: left; }

/* Redirect button inside bubble */
.dmcb-redirect-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--dmcb-primary);
    color: #fff !important;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none !important;
    transition: background 0.15s;
}

.dmcb-redirect-btn:hover {
    background: #0f2740;
}

/* Typing indicator */
.dmcb-typing .dmcb-msg-bubble {
    padding: 12px 16px;
}

.dmcb-typing-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.dmcb-typing-dots span {
    width: 7px;
    height: 7px;
    background: #aaa;
    border-radius: 50%;
    animation: dmcb-dot 1.2s infinite;
}

.dmcb-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.dmcb-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dmcb-dot {
    0%, 60%, 100% { transform: translateY(0);    opacity: 0.4; }
    30%           { transform: translateY(-5px); opacity: 1;   }
}

/* ---- Quick Replies ---- */
#dmcb-quick-replies {
    padding: 0 12px 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex-shrink: 0;
}

.dmcb-quick-btn {
    background: #fff;
    border: 1.5px solid var(--dmcb-primary);
    color: var(--dmcb-primary);
    padding: 5px 11px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--dmcb-font);
}

.dmcb-quick-btn:hover {
    background: var(--dmcb-primary);
    color: #fff;
}

/* ---- Input Area ---- */
#dmcb-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid #eee;
    flex-shrink: 0;
    background: #fff;
}

#dmcb-input {
    flex: 1;
    border: 1.5px solid #ddd;
    border-radius: 20px;
    padding: 9px 14px;
    font-size: 14px;
    font-family: var(--dmcb-font);
    resize: none;
    outline: none;
    line-height: 1.4;
    max-height: 100px;
    overflow-y: auto;
    transition: border-color 0.15s;
}

#dmcb-input:focus {
    border-color: var(--dmcb-primary);
}

#dmcb-send {
    width: 38px;
    height: 38px;
    background: var(--dmcb-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.15s, background 0.15s;
}

#dmcb-send:hover {
    background: var(--dmcb-accent);
    transform: scale(1.08);
}

#dmcb-send:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

#dmcb-send svg {
    width: 17px;
    height: 17px;
}

/* ---- Footer ---- */
#dmcb-footer {
    text-align: center;
    font-size: 11px;
    color: #bbb;
    padding: 6px 12px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
}

#dmcb-footer strong {
    color: #888;
}

#dmcb-clear-chat {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 0 4px;
    opacity: 0.5;
    transition: opacity 0.15s;
    margin-left: 8px;
}

#dmcb-clear-chat:hover { opacity: 1; }

/* Error message */
.dmcb-error .dmcb-msg-bubble {
    background: #fff0f0;
    border: 1px solid #fcc;
    color: #c00;
}

/* ---- Responsive ---- */
@media (max-width: 420px) {
    #dmcb-window {
        width: calc(100vw - 20px);
        height: 70vh;
        right: 0 !important;
        left: 0 !important;
        bottom: 70px;
        border-radius: 16px 16px 0 0;
        margin: 0 10px;
    }

    #dmcb-wrapper.dmcb-pos-bottom-right,
    #dmcb-wrapper.dmcb-pos-bottom-left {
        left: 0;
        right: 0;
        bottom: 16px;
    }

    #dmcb-toggle {
        margin: 0 auto;
        display: flex;
    }
}