body {
    background-color: #131317;
    margin: 0;
    padding: 0;
    font-family: 'Futura', sans-serif;
}

/* MAIN LAYOUT */
#searchbox {
    position: fixed;
    left: 0;
    top: 0;
    width: 50%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

/* ----------------------- */
/*  SEARCH BAR AREA        */
/* ----------------------- */
#backsearch {
    padding: 2%;
    background-color: #131317;
}

#search {
    padding-left: 20px;
    width: 90%;
    background-color: #1E1E1E;
    border: none;
    color: #FFFFFF;
    font-family: 'Futura', sans-serif;
    font-weight: normal;
    font-size: 15px;
    height: 40px;
    outline: none;
    border-radius: 8px;
    margin-bottom: 10px;
}

.ask {
    height: 40px;
    width: 80px;
    background: linear-gradient(135deg, #19bc8e, #16a085);
    border-radius: 8px;
    border: none;
    color: white;
    cursor: pointer;
    font-family: 'Futura', sans-serif;
    font-weight: normal;
    font-size: 12px;
    text-align: center;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.ask:hover {
    background: linear-gradient(135deg, #16a085, #138d75);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 188, 142, 0.3);
}

/* ----------------------- */
/*  THINKING + ANSWER BOX  */
/* ----------------------- */
/* hidden by default – becomes visible only when Ask is clicked */
#ask.hidden {
    display: none !important;
}

#ask {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 2%;
    overflow: hidden;
}

/* Enhanced Thinking Window */
#thinking {
    background: linear-gradient(135deg, #2c2c54, #40407a);
    border: 1px solid #4a4a6a;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    height: 120px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.5;
    color: #e1e1e1;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.3);
    display: none;
}

#thinking::before {
    content: "🤔 Thinking...";
    position: sticky;
    top: 0;
    float: right;
    background: linear-gradient(270deg, #4a4a6a, transparent);
    color: #19bc8e;
    font-size: 9px;
    font-weight: bold;
    padding: 5px 10px;
    margin: -15px -15px 10px -15px;
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid #4a4a6a;
    text-align: right;
}

#thinking:empty::before {
    content: "💭 Ready to think...";
    color: #888;
}

/* Custom scrollbar for thinking window */
#thinking::-webkit-scrollbar {
    width: 8px;
}

#thinking::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

#thinking::-webkit-scrollbar-thumb {
    background: #19bc8e;
    border-radius: 4px;
}

#thinking::-webkit-scrollbar-thumb:hover {
    background: #16a085;
}

/* Enhanced Final Answer */
#chat {
    background: linear-gradient(135deg, #1e1e2e, #2d2d44);
    border: 1px solid #4a4a6a;
    border-radius: 12px;
    padding: 20px;
    color: #ffffff;
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-line;
    flex: 1;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    display: none;
}
#chat::before {
    content: "💡 Answer";
    position: sticky;
    top: 0;
    float: right;
    background: linear-gradient(270deg, #19bc8e, transparent);
    color: white;
    font-size: 12px;
    font-weight: bold;
    padding: 8px 15px;
    margin: -20px -20px 15px -20px;
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid #4a4a6a;
    text-align: right;
}


#chat:empty::before {
    content: "🌟 Your answer will appear here...";
    color: #888;
}

/* Custom scrollbar for chat */
#chat::-webkit-scrollbar {
    width: 8px;
}

#chat::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

#chat::-webkit-scrollbar-thumb {
    background: #19bc8e;
    border-radius: 4px;
}

#chat::-webkit-scrollbar-thumb:hover {
    background: #16a085;
}

/* Loading animation */
.loading-dots {
    display: inline-block;
    animation: loading 1.4s infinite;
}

.loading-dots::after {
    content: '...';
    animation: dots 1.4s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* ----------------------- */
/*  DOCUMENT LIST AREA     */
/* ----------------------- */
/* now fills all remaining vertical space */
#documents {
    flex: 1;
    overflow-y: auto;
    padding: 10px 2% 0 2%;
    font-size: 14px;
    color: #FFFFFF;
    font-family: 'Futura', sans-serif;
    background-color: #131317;
    border-top: 2px solid #19bc8e;
}

#document {
    background-color: #1e1e2e;
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 8px;
    border-left: 3px solid #19bc8e;
    transition: all 0.3s ease;
}

#document:hover {
    background-color: #2d2d44;
    transform: translateX(5px);
}

#date {
    font-size: 11px;
    color: #ACADA8;
    font-weight: lighter;
    margin-top: 5px;
    cursor: pointer;
}

#tags {
    margin-top: 8px;
    font-size: 12px;
    color: #ACADA8;
    font-style: italic;
}

#tag {
    margin-right: 8px;
    cursor: pointer;
    display: inline-block;
    background-color: #16a085;
    color: white;
    padding: 2px 6px;
    border-radius: 12px;
    font-size: 10px;
    transition: all 0.2s ease;
}

#tag:hover {
    background-color: #9e3f52;
    transform: scale(1.0);
}

#summary {
    margin-top: 8px;
    font-size: 13px;
    color: #CCCDC6;
    text-align: justify;
    line-height: 1.4;
}

a {
    color: #19bc8e;
    font-size: 15px;
    text-decoration: none;
    font-weight: normal;
    transition: color 0.3s ease;
}

a:hover {
    color: #c7cac9;
    text-decoration: underline;
}

#highlight {
    color: #ffffff;
    background-color: rgba(25, 188, 142, 0.2);
    padding: 1px 3px;
    border-radius: 2px;
    display: inline;
}

#inline {
    display: inline;
}

/* ----------------------- */
/*  GRAPH AREA (unchanged) */
/* ----------------------- */
#graph {
    position: fixed;
    top: 0;
    right: 0;
    width: 50%;
    height: 100vh;
    background-color: #131317;
}

/* Responsive design */
@media (max-width: 768px) {
    #searchbox {
        width: 100%;
    }
    #graph {
        display: none;
    }
}