/* ========================================
   STUDY BUDDY CSS - study-buddy.css
   ======================================== */

* {
    box-sizing: border-box;
}

/* Main Wrapper */
.study-buddy-wrapper {
    max-width: 900px;
    margin: 30px auto;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 25px;
    background: linear-gradient(135deg, #f5f7fa 0%, #f9f9f9 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Header */
.study-buddy-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #0073aa;
}

.study-buddy-header h3 {
    margin: 0 0 8px 0;
    color: #0073aa;
    font-size: 24px;
    font-weight: 600;
}

.study-buddy-header p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* Discussion Questions */
.study-buddy-questions {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.study-buddy-questions h4 {
    margin: 0 0 12px 0;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.study-buddy-questions p {
    margin: 8px 0 0 0;
    color: #555;
    font-size: 13px;
    line-height: 1.5;
}

.study-buddy-questions p:before {
    content: "📌 ";
}

/* Chat Container */
.study-buddy-chat {
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.chat-loading {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 14px;
}

.chat-loading:before {
    content: "⏳ ";
}

/* Messages */
.message {
    margin: 12px 0;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 4px solid #ddd;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Persona Messages - Alex (Know-it-All) */
.message.alex {
    border-left-color: #ff6b6b;
    background: #ffe8e8;
}

.message.alex .message-speaker {
    color: #c92a2a;
}

/* Persona Messages - Jordan (Slider) */
.message.jordan {
    border-left-color: #94d82d;
    background: #f1fce4;
}

.message.jordan .message-speaker {
    color: #5c940d;
}

/* Persona Messages - Casey (Scriber) */
.message.casey {
    border-left-color: #4c6ef5;
    background: #e7f5ff;
}

.message.casey .message-speaker {
    color: #1971c2;
}

/* Persona Messages - Morgan (Clown) */
.message.morgan {
    border-left-color: #ffa94d;
    background: #fff3e0;
}

.message.morgan .message-speaker {
    color: #d9480f;
}

/* Student Messages */
.message.student {
    border-left-color: #868e96;
    background: #f1f3f5;
}

.message.student .message-speaker {
    color: #2c3e50;
}

/* System Messages */
.message.system {
    border-left-color: #0073aa;
    background: #e7f5ff;
    font-style: italic;
}

.message.system .message-speaker {
    color: #0073aa;
}

/* Message Speaker Name */
.message-speaker {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 6px;
    display: block;
}

/* Message Text */
.message-text {
    color: #333;
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

/* Input Area */
.study-buddy-input-area {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

#study-buddy-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    transition: border-color 0.2s;
}

#study-buddy-input:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

#study-buddy-input::placeholder {
    color: #999;
}

/* Buttons */
.study-buddy-btn-send,
.study-buddy-btn-end {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.study-buddy-btn-send {
    background: #0073aa;
    color: white;
}

.study-buddy-btn-send:hover {
    background: #005a87;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 115, 170, 0.3);
}

.study-buddy-btn-send:active {
    transform: translateY(0);
}

.study-buddy-btn-send:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.study-buddy-btn-end {
    background: #f08080;
    color: white;
}

.study-buddy-btn-end:hover {
    background: #dc3545;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(220, 53, 69, 0.3);
}

.study-buddy-btn-end:active {
    transform: translateY(0);
}

/* Status Messages */
.study-buddy-status {
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 13px;
    margin-top: 10px;
}

.study-buddy-status.status-hidden {
    display: none;
}

.study-buddy-status.status-loading {
    background: #e7f5ff;
    color: #1971c2;
    border-left: 4px solid #4c6ef5;
}

.study-buddy-status.status-loading:before {
    content: "⏳ ";
}

.study-buddy-status.status-error {
    background: #ffe8e8;
    color: #c92a2a;
    border-left: 4px solid #ff6b6b;
}

.study-buddy-status.status-error:before {
    content: "❌ ";
}

.study-buddy-status.status-success {
    background: #f1fce4;
    color: #5c940d;
    border-left: 4px solid #94d82d;
}

.study-buddy-status.status-success:before {
    content: "✅ ";
}

/* Scrollbar Styling */
.study-buddy-chat::-webkit-scrollbar {
    width: 6px;
}

.study-buddy-chat::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.study-buddy-chat::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 10px;
}

.study-buddy-chat::-webkit-scrollbar-thumb:hover {
    background: #bbb;
}

/* Responsive */
@media (max-width: 768px) {
    .study-buddy-wrapper {
        padding: 15px;
        margin: 15px;
    }

    .study-buddy-header h3 {
        font-size: 20px;
    }

    .study-buddy-chat {
        min-height: 300px;
        max-height: 400px;
    }

    .study-buddy-input-area {
        flex-wrap: wrap;
    }

    .study-buddy-btn-send,
    .study-buddy-btn-end {
        flex: 1;
        min-width: 120px;
    }

    .message {
        padding: 10px 12px;
    }
}