/* ==========================================================================
   Fisimat AI Search Assistant (TutoFisimat)
   ========================================================================== */

.fisi-ai-container {
    display: none;
    margin: 25px auto 35px auto;
    max-width: 860px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all 0.3s ease;
    animation: fisiSlideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fisi-ai-container.fisi-ai-active {
    display: block !important;
}

@keyframes fisiSlideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.fisi-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: linear-gradient(135deg, #1e73be 0%, #15558d 100%);
    color: #ffffff;
}

.fisi-ai-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fisi-ai-badge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 18px;
}

.fisi-ai-brand-info {
    display: flex;
    flex-direction: column;
}

.fisi-ai-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
}

.fisi-ai-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
}

.fisi-ai-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fisi-ai-clear-btn {
    background: rgba(255, 255, 255, 0.15) !important;
    border: none !important;
    color: #ffffff !important;
    font-size: 12px !important;
    padding: 5px 12px !important;
    border-radius: 20px !important;
    cursor: pointer !important;
    transition: background 0.2s ease !important;
}

.fisi-ai-clear-btn:hover {
    background: rgba(255, 255, 255, 0.3) !important;
}

.fisi-ai-close-btn {
    background: none !important;
    border: none !important;
    color: #ffffff !important;
    font-size: 24px !important;
    line-height: 1 !important;
    cursor: pointer !important;
    padding: 2px 8px !important;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.fisi-ai-close-btn:hover {
    opacity: 1;
}

/* Messages Area */
.fisi-ai-messages {
    padding: 20px;
    max-height: 520px;
    overflow-y: auto;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fisi-ai-msg-row {
    display: flex;
    gap: 12px;
    width: 100%;
}

.fisi-ai-user-row {
    justify-content: flex-end;
}

.fisi-ai-bot-row {
    justify-content: flex-start;
}

.fisi-ai-avatar {
    width: 32px;
    height: 32px;
    background: #1e73be;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(30, 115, 190, 0.3);
}

.fisi-ai-bubble {
    max-width: 85%;
    padding: 14px 18px;
    border-radius: 14px;
    font-size: 15px;
    line-height: 1.6;
}

.fisi-ai-user-bubble {
    background: #1e73be;
    color: #ffffff;
    border-bottom-right-radius: 3px;
    font-weight: 500;
}

.fisi-ai-bot-bubble {
    background: #ffffff;
    color: #1e293b;
    border: 1px solid #e2e8f0;
    border-bottom-left-radius: 3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.fisi-ai-bot-content h2,
.fisi-ai-bot-content h3,
.fisi-ai-bot-content h4 {
    color: #0f172a !important;
    margin: 12px 0 6px 0 !important;
}

.fisi-ai-bot-content h2 { font-size: 1.25rem !important; }
.fisi-ai-bot-content h3 { font-size: 1.15rem !important; }
.fisi-ai-bot-content h4 { font-size: 1.05rem !important; }

.fisi-ai-bot-content p {
    margin: 0 0 10px 0 !important;
}

.fisi-ai-bot-content p:last-child {
    margin-bottom: 0 !important;
}

.fisi-ai-bot-content ul,
.fisi-ai-bot-content ol {
    margin: 8px 0 12px 20px !important;
    padding: 0 !important;
}

.fisi-ai-bot-content li {
    margin-bottom: 5px !important;
}

.fisi-ai-bot-content code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #0369a1;
}

.fisi-ai-bot-content pre {
    background: #0f172a;
    color: #f8fafc;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}

/* MathJax inline adjustments */
.fisi-ai-bot-content .mjx-container {
    margin: 4px 0 !important;
}

/* Loading Dots */
.fisi-ai-loading-bubble {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    color: #64748b;
    padding: 12px 18px;
}

.fisi-ai-dot {
    width: 8px;
    height: 8px;
    background: #1e73be;
    border-radius: 50%;
    animation: fisiDotBounce 1.4s infinite ease-in-out both;
}

.fisi-ai-dot:nth-child(1) { animation-delay: -0.32s; }
.fisi-ai-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes fisiDotBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.fisi-ai-loading-text {
    font-size: 13px;
    margin-left: 6px;
}

/* Sources */
.fisi-ai-sources {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed #e2e8f0;
}

.fisi-ai-sources-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #64748b;
    margin-bottom: 8px;
}

.fisi-ai-sources-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.fisi-ai-source-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8 !important;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.fisi-ai-source-card:hover {
    background: #dbeafe;
    border-color: #93c5fd;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.1);
}

/* Input Bar */
.fisi-ai-input-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
}

.fisi-ai-followup-input {
    flex: 1;
    border: 1px solid #cbd5e1 !important;
    border-radius: 24px !important;
    padding: 10px 18px !important;
    font-size: 14px !important;
    outline: none !important;
    box-shadow: none !important;
    transition: border-color 0.2s ease;
}

.fisi-ai-followup-input:focus {
    border-color: #1e73be !important;
}

.fisi-ai-send-btn {
    width: 38px;
    height: 38px;
    border-radius: 50% !important;
    background: #1e73be !important;
    border: none !important;
    color: #ffffff !important;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    flex-shrink: 0;
}

.fisi-ai-send-btn:hover:not(:disabled) {
    background: #15558d !important;
    transform: scale(1.05);
}

.fisi-ai-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
}

/* Footer */
.fisi-ai-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 18px 12px 18px;
    font-size: 11px;
    color: #94a3b8;
    background: #ffffff;
}

.fisi-ai-traditional-link {
    color: #1e73be !important;
    text-decoration: underline !important;
    font-weight: 500;
}

.fisi-ai-traditional-link:hover {
    color: #15558d !important;
}

@media (max-width: 640px) {
    .fisi-ai-container {
        margin: 15px 10px 25px 10px;
        border-radius: 12px;
    }
    .fisi-ai-bubble {
        max-width: 95%;
        font-size: 14px;
    }
    .fisi-ai-header {
        padding: 10px 14px;
    }
    .fisi-ai-messages {
        padding: 14px;
        max-height: 420px;
    }
}