/* Container */
.edu-ai-container {
    max-width: 650px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

/* Header */
.edu-ai-header {
    background: #0073aa;
    color: white;
    padding: 18px;
    font-size: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Chat window */
#edu-ai-chat-window {
    height: 420px;
    overflow-y: auto;
    background: #f8f8f8;
    padding: 20px;
}

/* Bubbles */
.bubble {
    padding: 12px 16px;
    border-radius: 14px;
    margin: 8px 0;
    line-height: 1.4;
    max-width: 80%;
}

.user-msg {
    background: #0073aa;
    color: white;
    margin-left: auto;
}

.bot-msg {
    background: #e8e8ea;
    color: #222;
}

/* Input area */
.edu-ai-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px;
    border-top: 1px solid #ddd;
}

#edu-ai-input {
    flex: 1;
    min-height: 45px;
    max-height: 200px;
    border: 1px solid #ccc;
    border-radius: 12px;
    padding: 12px;
    resize: none;
    font-size: 15px;
}

/* Buttons */
#edu-ai-send {
    background: #0073aa;
    color: white;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
}

#edu-ai-clear {
    background: #999;
    color: white;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
}

.copy-btn {
    margin-top: 6px;
    background: #0073aa;
    color: #fff;
    padding: 5px 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.export-row {
    margin-top: 6px;
    display: flex;
    gap: 6px;
}

.pdf-btn {
    background: #b73232;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 5px;
    cursor: pointer;
}
.pdf-btn:hover {
    background: #7a1f1f;
}

.export-row {
    margin-top: 6px;
    display: flex;
    gap: 6px;
}

.export-row button {
    padding: 5px 8px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 13px;
}

.pdf-btn { background:#b73232; color:white; }
.docx-btn { background:#2476c3; color:white; }
.xlsx-btn { background:#2e8b57; color:white; }

/* Animowane kropeczki pisania */
.edu-ai-typing {
    display: inline-block;
    font-size: 18px;
    letter-spacing: 2px;
    height: 20px;
}

.edu-ai-typing span {
    opacity: 0;
    animation: blink 1.4s infinite;
}

.edu-ai-typing span:nth-child(1) { animation-delay: 0s; }
.edu-ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.edu-ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
    0%   { opacity: 0; }
    50%  { opacity: 1; }
    100% { opacity: 0; }
}