@import url("./themes.css");

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');



* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    overflow: hidden;
}


/* =========================
   APP LAYOUT
========================= */

.app {
    display: flex;
    height: 100vh;
}


/* =========================
   SIDEBAR
========================= */

.sidebar {

    width: var(--sidebar-width);

    background: var(--sidebar-bg);

    border-right: 1px solid var(--border);

    display: flex;
    flex-direction: column;
    justify-content: space-between;

    overflow: hidden;

    padding: 0;
}

.logo,
.search-container,
.user-card {
    margin-left: 18px;
    margin-right: 18px;
}

.chat-history {
    padding: 0 18px 12px;
}

.sidebar-top {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.sidebar-bottom {
    margin-top: auto;
}

/* =========================
   LOGO STYLING
========================= */

.logo {

    display: flex;
    align-items: center;
    gap: 14px;

    margin-bottom: 24px;
    cursor: pointer;
    transition: opacity .2s ease;
    padding-top: 16px;
}

.logo:hover {
    opacity: 0.85;
}

.logo-icon {

    width: 48px;
    height: 48px;

    border-radius: 14px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(99,102,241,.15);

    border: 1px solid rgba(99,102,241,.3);
}

.logo h2 {
    font-size: 1.5rem;
    color: var(--font-color-primary);
}

.logo p {
    color: var(--text-secondary);
    font-size: .9rem;
}




/* =========================
   New CHAT BUTTON
========================= */

.new-chat-btn-container {
    padding: 0 18px;
}


.new-chat-btn {

    width: 100%;

    height: 42px;


    border: none;

    border-radius: 12px;

    background: linear-gradient(
        135deg,
        var(--usermsg-gradient-start),
        var(--usermsg-gradient-end)
    );


    color: white;

    font-size: 0.9rem;
    font-weight: 600;

    cursor: pointer;

    margin-bottom: 12px;

    transition: all .2s ease;

    box-shadow: 0 4px 14px rgba(99,102,241,.18);
}

.new-chat-btn:hover {

    transform: translateY(-1px);
    box-shadow:
        0 6px 18px rgba(99,102,241,.25);
}




/* =========================
   SEARCH CHAT
========================= */

.search-container {
    margin-bottom: 20px;
}

.search-container input {

    width: 100%;
    height: 42px;

    background: rgba(255,255,255,.04);

    border: 1px solid var(--border);

    border-radius: 11px;

    color: var(--font-color-primary);

    padding: 0 16px;
}

.search-container input::placeholder {
    color: var(--text-secondary);
}

.search-container input:focus {
    background: var(--bg-input);
}




/* =========================
   CHAT HISTORY
========================= */

.chat-item {

    display: flex;
    position: relative;
    align-items: center;
    justify-content: space-between;
    gap: 10px;

    min-height: 40px;

    padding: 8px 36px 8px 10px;

    margin: 2px 0;

    border-radius: 10px;

    border: 1px solid transparent;

    cursor: pointer;

    color: var(--font-color-primary);

    transition: 
        background-color .18s ease,
        border-color .18s ease;

    
}


.chat-item.active {

    background: var(--chat-item-bg-active);

    border-color: rgba(99,102,241,.18);

    box-shadow:
        inset 2px 0 0 var(--accent);
}


.chat-item:hover {

    background: rgba(255, 255, 255, 0.035);

    border-color: rgba(255, 255, 255, 0.045);

}

.chat-item.active:hover {

    background: var(--chat-item-bg-active);

    border-color: rgba(99,102,241,.18);
}


.chat-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.pinned-chats {
    margin-bottom: 20px;
}

.chat-history {
    margin-top: 0;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    
}



.chat-title {

    flex: 1;

    min-width: 0;

    margin-left: 0;

    white-space: nowrap;

    overflow: hidden;

    text-overflow: ellipsis;

    color: var(--font-color-primary);

    font-size: 0.875rem;

    font-weight: 500;

    line-height: 1.4;
}

.chat-menu {

    position: fixed;

    transform: none;

    width: 180px;

    background: var(--bg-primary);

    color: var(--bg-tertiary);

    border: 1px solid rgba(255,255,255,.08);

    border-radius: 12px;

    padding: 6px;

    z-index: 9999;

    box-shadow:
        0 10px 30px rgba(0,0,0,.35);
}

.chat-menu-btn {

    position: absolute;
    opacity: 0;

    width: 28px;
    height: 28px;

    visibility: hidden;
    flex-shrink: 0;

    background: transparent;

    border: none;
    display: flex;
    align-items: center;
    justify-content: center;

    color: #94a3b8;
    

    cursor: pointer;

    font-size: 17px;
    line-height: 1;
    font-weight:600;

    right: 6px;
    top: 50%;

    transform: translateY(-50%);

    overflow: hidden;
    padding: 0;

    border-radius: 8px;

    transition: all .15s ease;

}


.chat-item:hover .chat-menu-btn {
    display: flex;
    width: 24px;
    margin-left: 8px;
    opacity: 1;
    background: none;
    visibility: visible;
    color: var(--font-color-secondary);

}

.chat-menu-btn:hover {
    opacity: 1;
    color: var(--font-color-primary);
    background: rgba(255,255,255,.06);
}

.chat-item:hover .chat-title {
    padding-right: 32px;
}

.menu-icon {
    display: inline-block;
    width: 24px;
    text-align: center;
}

.chat-menu button {

    width: 100%;

    border: none;

    background: transparent;

    /*color: white;*/
    color: var(--font-color-primary);

    padding: 10px 12px;

    text-align: left;

    border-radius: 8px;

    cursor: pointer;
}

.chat-menu button:hover {

    background:
        rgba(255,255,255,.06);
}

.chat-menu button.delete-chat-btn {
    color: var(--delete-chat-text);
}

.chat-menu button.delete-chat-btn:hover {
    background: rgba(248,113,113,.12);
}



.sidebar h4 {

    color: #94a3b8;

    font-size: .8rem;

    text-transform: uppercase;

    letter-spacing: 1px;

    margin-bottom: 10px;
}

.sidebar-section-header {
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: 0.1em;

    color: var(--text-secondary);
    margin-bottom: 8px;

    padding: 0 10px;
    text-transform: uppercase;
}

.sidebar-section-header:not(:first-child) {
    margin-top: 32px;
}

.sidebar-empty-search {

    color: #94a3b8;

    font-size: 0.9rem;

    text-align: center;

    padding: 20px 0;
}

/* =========================
   USER CARD
========================= */


.user-card {

    display: flex;
    align-items: center;

    color: var(--font-color-primary);
    gap: 12px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
}

.user-card span {
    flex: 1;
}

.avatar {

    width: 42px;
    height: 42px;

    border-radius: 50%;

    background: var(--accent);

    margin-left: 4px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-weight: 700;
}

.settings-btn {

    width: 40px;
    height: 40px;

    border-radius: 12px;

    background: var(--bg-primary);

    border: 1px solid var(--border);

    color: var(--font-color-secondary);
    font-size: 2rem;
    cursor: pointer;
    margin-right: 4px;
    transition: all .2s ease;


    align-items: center;
    justify-content: center;
    line-height: 1;
}

.settings-btn:hover {
    background: var(--bg-secondary);
    transform: rotate(15deg);
}

/* =========================
   MAIN CHAT AREA
========================= */

.chat-container {

    position: relative;
    flex: 1;

    display: flex;
    flex-direction: column;
    overflow: hidden;

    min-width: 0;

    background: var(--chat-container-bg);
}

.chat-info {
    min-width: 0;
    flex: 1;
}


.chat-body {
    max-width: 1000px;
    margin: 0 auto;
}


.chat-header {
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
}

.chat-header-content {
    width: min(
        var(--content-width),
        calc(100% - 40px)
    );

    margin: 0 auto;

    display: flex;

    position: relative;

    align-items: center;

    min-height: 36px;

    color: var(--font-color-primary);
}

.chat-header h1 {
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.01em;
}

.header-actions {
    display: flex;
    gap: 12px;
    color: var(--font-color-primary);

    position: absolute;
    right: 0;
    margin-left: auto;
}

.chat-title-row {

    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

#renameHeaderBtn {

    background: transparent;
    border: none;

    color: #94a3b8;

    padding: 6px;

    cursor: pointer;

    font-size: 1rem;

    opacity: 0;

    transition: .2s;
}

.chat-title-row:hover #renameHeaderBtn {
    opacity: 1;
}

.chat-title-input {

    width: auto;

    background: var(--bg-input);

    border: 1px solid rgba(255,255,255,.1);

    border-radius: 9px;

    color: var(--font-color-primary);

    padding: 5px 10px;

    font-size: 1.35rem;

    font-weight: 600;

    line-height: 1.3;

    outline: none;
}


.header-actions button {
    background: transparent;
    border: 1px solid transparent;

    color: var(--text-secondary);

    padding: 8px 12px;

    border-radius: 10px;

    cursor: pointer;
    transition:
        background .15s ease,
        border-color .15s ease,
        color .15s ease;
}

.header-actions button:hover {

    background: rgba(255,255,255,.05);

    border-color: var(--border);

    color: var(--font-color-primary);
}


.export-container {
    position: relative;
}

.export-menu {

    position: absolute;

    top: 100%;
    right: 0;

    margin-top: 6px;

    background: var(--bg-primary);

    border: 1px solid rgba(255,255,255,.08);

    

    border-radius: 12px;

    padding: 6px;

    min-width: 160px;

    z-index: 1000;

    box-shadow:
        0 10px 30px rgba(0,0,0,.35);
}


.export-menu button {

    width: 100%;

    padding: 10px;

    border: none;

    background: transparent;

    color: var(--font-color-primary);

    text-align: left;

    border-radius: 8px;

    cursor: pointer;

    display: flex;
    align-items: center;
    gap: 10px;
}

.export-menu button:hover {

    background: rgba(255,255,255,.08);
}

.toast {

    position: fixed;

    bottom: 24px;
    right: 24px;

    background: #111827;

    color: white;

    padding: 12px 18px;

    border-radius: 12px;

    border: 1px solid rgba(255,255,255,.08);

    box-shadow:
        0 10px 30px rgba(0,0,0,.35);

    opacity: 0;

    visibility: hidden;

    transform: translateY(10px);

    transition: all .25s ease;

    z-index: 9999;
}

.toast.show {

    opacity: 1;

    visibility: visible;

    transform: translateY(0);
}



.chat-content {

    position:relative;
    flex: 1;

    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;

    min-height: 0;
    scroll-behavior: smooth;

}



.messages {
    flex: 1;
    width: 100%;
    padding: 30px;

    padding-bottom: 140px;
}

.messages-inner {

    width: 90%;
    max-width: var(--content-width);
    margin: 0 auto;

}

.empty-state {

    min-height: calc(100vh - 250px);

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    text-align: center;

    padding: 40px;
}

.chat-input-container {
    
    position: absolute;
    /*how high?*/
    bottom: 20px;
    

   /* width: 100%;*/
    left: 0;
    right: 0;

    display: flex;
    justify-content: center;

    z-index: 100;
    padding: 0 20px;

    pointer-events: none;

   /* max-width: calc(100% - 40px);
    
   */


    /*background: var(--chat-container-bg);*/

    /*border-top: 1px solid var(--border);*/

    /*for dark theme*/
    /*background: rgba(11,16,32,.75);*/

    /*for light theme
    background: rgba(255,255,255,.85);*/


  /*  backdrop-filter: blur(20px);
    flex-shrink: 0;*/

}




.message {

    display: flex;
    flex-direction: column;
    animation: messageAppear .25s ease;

}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#chatMessages {

    display: flex;

    flex-direction: column;

    gap: 24px;

    width: 100%;
}

.user-message {
    align-items: flex-end;
}

.ai-message {
    align-items: flex-start;

}

.message-content {

    /*controls bubble width*/
    max-width: 100%;

    padding: 18px 22px;

    border-radius: 20px;

    font-size: 0.95rem;
    font-weight: 400;

    line-height: 1.65;

    transition: all .2s ease;
}



.message-content:hover {
    transform: translateY(0px);
}

.message-time {
    font-size: 0.68rem;
    font-weight: 400;
    line-height: 1.4;

    color: var(--text-secondary);

    width: 100%;

    margin-top: 5px;

    padding: 0 4px;

    opacity: 0.7;
}

.ai-message .message-time {
    text-align: left;
    opacity: 0.55;
}

.user-message .message-time {
    text-align: right;
    opacity: 0.65;
}

.user-message .message-content {

    width: fit-content;

    max-width: 70%;

    background: linear-gradient(
        135deg,
        var(--usermsg-gradient-start),
        var(--usermsg-gradient-end)
    );

    color: white;

    padding: 11px 16px;

    border-radius: 16px;

    font-size: 0.95rem;

    font-weight: 400;

    line-height: 1.5;

    box-shadow:
        0 3px 10px rgba(99,102,241,.08);
}

.ai-message .message-content {

    width: 100%;
    max-width: 900px;

    background: rgba(255,255,255,.025);
    border: 1px solid rgba(255,255,255,.07);

    border: 1px solid var(--border);

    color: var(--text-primary);

    padding: 24px 26px;

    border-radius: 18px;

    box-shadow:
        0 6px 20px rgba(0,0,0,.12);

    backdrop-filter: blur(10px);

    box-sizing: border-box;

}






.message-actions {

    display: flex;

    gap: 6px;

    margin-top: 6px;

    opacity: 0;

    visibility: hidden;

    transition:
        opacity .15s ease,
        visibility .15s ease;
}

.user-message:hover .message-actions ,
.ai-message:hover .message-actions {

    opacity: 1;

    visibility: visible;
}

.message-actions button {

    width: 28px;
    height: 28px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: transparent;

    border: 1px solid transparent;

    color: var(--text-secondary);

    border-radius: 7px;

    padding: 0;

    cursor: pointer;

    font-size: 0.82rem;

    transition:
        background .15s ease,
        border-color .15s ease,
        color .15s ease;
}

.ai-message .copy-ai-btn {

    width: auto;

    min-width: 72px;

    padding: 0 9px;

    font-size: 0.72rem;

    font-weight: 500;
}

.message-actions button:hover {

    background: rgba(255,255,255,.06);

    border-color: var(--border);

    color: var(--font-color-primary);
}


/* =========================
   CODE BLOCKS
========================= */

.message-content pre {

    position: relative;

    margin: 16px 0;

    max-width: 100%;

    overflow-x: auto;
    overflow-y: hidden;

    background: #0d1424;

    border: 1px solid rgba(255, 255, 255, 0.08);

    border-radius: 12px;

    box-shadow:
        0 4px 14px rgba(0, 0, 0, 0.10);
}


.message-content pre code {

    display: block;

    padding: 16px 18px;

    background: transparent !important;

    font-family:
        "JetBrains Mono",
        Consolas,
        Monaco,
        monospace;

    font-size: 0.84rem;

    line-height: 1.6;

    white-space: pre;

    word-break: normal;

    overflow-wrap: normal;
}


/* Code block header */

.code-header {

    display: flex;

    align-items: center;

    justify-content: space-between;

    min-height: 38px;

    padding: 6px 10px;

    background: rgba(255, 255, 255, 0.025);

    border-bottom: 1px solid rgba(255, 255, 255, 0.06);

    border-radius: 12px 12px 0 0;
}


.code-header span {

    font-family: Inter, sans-serif;

    font-size: 0.68rem;

    font-weight: 600;

    letter-spacing: 0.06em;

    color: var(--text-secondary);

    text-transform: uppercase;

    opacity: 0.85;
}


/* Copy button */

.copy-btn {

    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-width: 48px;
    height: 26px;
    padding: 0px 8px;

    background: transparent;

    border: 1px solid transparent;

    color: var(--text-secondary);

    border-radius: 6px;

    cursor: pointer;

    font-family: Inter, sans-serif;

    font-size: 0.72rem;

    font-weight: 500;

    transition:
        background .15s ease,
        border-color .15s ease,
        color .15s ease;
}


.copy-btn:hover {

    background: rgba(255, 255, 255, 0.06);

    border-color: rgba(255, 255, 255, 0.12);

    color: var(--font-color-primary);
}

.copy-btn:focus-visible {

    outline: none;

    border-color: rgba(165, 180, 252, 0.45);

    box-shadow:
        0 0 0 2px rgba(165, 180, 252, 0.10);
}


/* Subtle horizontal scrollbar */

.message-content pre::-webkit-scrollbar {

    height: 6px;
}


.message-content pre::-webkit-scrollbar-track {

    background: transparent;
}


.message-content pre::-webkit-scrollbar-thumb {

    background: rgba(255, 255, 255, 0.10);

    border-radius: 999px;
}


.message-content pre::-webkit-scrollbar-thumb:hover {

    background: rgba(255, 255, 255, 0.20);
}




.hljs {
    white-space: pre !important;
    word-break: normal;
    overflow-wrap: normal;
}


/* =========================
   MESSAGE AREA SCROLLBAR
========================= */


.chat-container::-webkit-scrollbar {
    width: 8px;
}

.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.10);
    border-radius: 999px;
}

.chat-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.18);
}

.chat-content::-webkit-scrollbar {
    width: 8px;
}

.chat-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.10);
    border-radius: 999px;
}

.chat-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,.18);
}


/* =========================
   INPUT AREA
========================= */


.chat-input {
    width: 100%;


    /*controls width of chat input textarea*/
    max-width: var(--content-width);

    display: flex;
    align-items: flex-end;

    pointer-events: auto;

    gap: 8px;

    /*background: rgba(255,255,255,.04);*/

    background: var(--chat-input-bg);

    border: 1px solid var(--border);

    box-shadow: var(--chat-input-box-shadow-2);

    border-radius: 18px;

    padding: 6px;
    line-height: 1;

    transition:
        border-color .2s ease,
        box-shadow .2s ease;

   /* backdrop-filter: blur(12px);*/
}

.chat-input textarea {
    flex: 1;
    min-height: 48px;
    max-height: 200px;

    border: none;
    outline: none;

    resize: none;
    overflow-y: auto;


    padding: 10px 14px;

    background: transparent;
    color: var(--font-color-primary);
    font-size: 0.95rem;
    font-family: inherit;

    line-height: 1.55;
}

.chat-input:focus-within {

    border-color: rgba(99,102,241,.4);

    box-shadow:
        0 0 0 4px rgba(99,102,241,.08);
}


.send-btn {

    width: 46px;
    height: 46px;
    min-width: 46px;

    border-radius: 50%;

    border: none;

    background: linear-gradient(
        135deg,
        #5b5cf0,
        #7c5cff
    );

    color: white;

    cursor: pointer;

    font-size: 1rem;

    transition: .2s;
}


.send-btn:hover {

    transform: translateY(-1px);

    box-shadow: 0 6px 16px rgba(124,92,255,.20);
}

.send-btn:disabled {

    opacity: 0.6;

    cursor: not-allowed;

    transform: none;

    box-shadow: none;
}

textarea::-webkit-scrollbar {
    width: 6px;
}

textarea::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.15);
    border-radius: 999px;
}


/* =========================
   EMPTY STATE
========================= */

.empty-state {

    flex: 1;

    width: 100%;
    max-width: var(--content-width);

    margin: 0 auto;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;
    vertical-align: middle;

    text-align: center;

    padding: 40px;
}

.empty-state h2 {

    font-size: 3rem;
    font-weight: 700;

    margin-bottom: 12px;

    color: var(--font-color-primary);


    background: var(--accent-hover);

   /* background: linear-gradient(
        135deg,
        #ffffff,
        #a5b4fc
    );*/

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.empty-state p {

    color: var(--text-secondary);

    font-size: 1.1rem;

    margin-bottom: 40px;
}

.suggestion-grid {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 16px;

    width: 100%;
    max-width: 700px;
    vertical-align: middle;
}

.suggestion-btn {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    background: rgba(255,255,255,.04);

    border: 1px solid var(--border);

    color: var(--font-color-primary);

    padding: 18px;

    border-radius: 18px;

    cursor: pointer;

    font-size: 1rem;

    transition: all .2s ease;
}

.suggestion-btn:hover {

    transform: translateY(-2px);

    border-color: rgba(99,102,241,.4);

    background: rgba(99,102,241,.08);
}


/* =========================
   THINKING INDICATOR
========================= */


/* =========================
   THINKING INDICATOR
========================= */

.thinking-content {

    display: flex;

    align-items: center;

    gap: 8px;

    color: var(--text-secondary);

    font-size: 0.9rem;

    padding: 6px 0;
}


.thinking-icon {

    color: var(--accent);

    font-size: 1rem;

    animation: thinking-pulse 1.6s ease-in-out infinite;
}


.thinking-text {

    font-weight: 500;

    letter-spacing: 0.01em;
}


.thinking-dots {

    display: flex;

    align-items: center;

    gap: 3px;

    margin-left: 1px;
}


.thinking-dots span {

    width: 4px;

    height: 4px;

    border-radius: 50%;

    background: var(--text-secondary);

    animation: thinking-bounce 1.4s infinite ease-in-out;
}


.thinking-dots span:nth-child(2) {
    animation-delay: 0.15s;
}


.thinking-dots span:nth-child(3) {
    animation-delay: 0.3s;
}


@keyframes thinking-bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.35;
    }

    30% {
        transform: translateY(-3px);
        opacity: 1;
    }
}


@keyframes thinking-pulse {

    0%,
    100% {
        opacity: 0.55;
        transform: scale(0.95);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}


/* =========================
    MARKDOWN AI 
========================= */



.ai-message h1 {

    font-size: 1.5rem;

    font-weight: 700;

    line-height: 1.3;

    margin: 26px 0 12px;

    letter-spacing: -0.015em;
}


.ai-message h2 {

    font-size: 1.22rem;

    font-weight: 650;

    line-height: 1.35;

    margin: 22px 0 10px;

    letter-spacing: -0.01em;
}


.ai-message h3 {

    font-size: 1.05rem;

    font-weight: 600;

    line-height: 1.4;

    margin: 24px 0 7px;

    letter-spacing: -0.005em;
}

.ai-message h4 {

    font-size: 0.98rem;

    font-weight: 550;

    line-height: 1.45;

    margin: 24px 0 7px;

    letter-spacing: -0.005em;
}

.ai-message > :first-child {
    margin-top: 0;
}

.ai-message > :last-child {
    margin-bottom: 0;
}

.ai-message p {

    margin: 9px 0;

    font-size: 0.95rem;

    font-weight: 400;

    line-height: 1.68;
}

.ai-message ul,
.ai-message ol {

    padding-left: 28px;

    margin: 10px 0 14px;
}


.ai-message li {

    margin: 5px 0;

    padding-left: 5px;

    line-height: 1.62;
}


/* Nested lists */

.ai-message li > ul,
.ai-message li > ol {

    margin-top: 7px;

    margin-bottom: 8px;

    padding-left: 30px;
}


/* Third-level nested lists */

.ai-message li > ul > li > ul,
.ai-message li > ol > li > ol {

    padding-left: 30px;
}


.ai-message code {
    font-family: "JetBrains Mono", monospace;

    font-size: 0.88em;

    background: rgba(255,255,255,.08);

    padding: 2px 6px;

    border-radius: 6px;
}


.ai-message strong {
    font-weight: 600;
    color: var(--font-color-primary);
    letter-spacing: -0.005em;
}


/* =========================
   NOTES / CALLOUTS
========================= */

.ai-message blockquote {

    margin: 16px 0;

    padding: 10px 16px;

    border-left: 3px solid var(--accent);

    background:
        rgba(255,255,255,.035);

    border-radius:
        0 8px 8px 0;

    color:
        var(--text-secondary);
}


.ai-message blockquote p {

    margin: 0;

    line-height: 1.65;
}


.ai-message blockquote strong {

    color:
        var(--text-primary);

    font-weight:
        650;
}


/* =========================
   MATHEMATICAL FORMULAS
========================= */

.ai-message .math-line {

    display: block;

    width: fit-content;

    max-width: 100%;

    margin: 16px auto;

    padding: 9px 18px;

    border-radius: 10px;

    background:
        rgba(255,255,255,.025);

    border:
        1px solid rgba(255,255,255,.07);

    color:
        var(--text-primary);

    font-family:
        "Cambria Math",
        "STIX Two Math",
        "Times New Roman",
        serif;

    font-size: 1.05rem;

    line-height: 1.6;

    text-align: center;

    letter-spacing: .01em;
}



/* =========================
   MARKDOWN LINKS
========================= */

.ai-message a {

    color: #a5b4fc;

    text-decoration: none;

    text-decoration-color: rgba(255,255,255,.4);

    text-underline-offset: 3px;

    transition: all .2s ease;
}

.ai-message a:hover {

    color: #a5b4fc;

    text-decoration: underline;
}






.settings-modal {

    position: fixed;

    inset: 0;

    background: rgba(0,0,0,.65);

    display: none;

    align-items: center;

    justify-content: center;

    z-index: 5000;
}


.settings-content {

    width: 500px;

    color: var(--font-color-primary);

    max-width: 90vw;

    background: var(--bg-primary);

    border: 1px solid rgba(255,255,255,.08);

    border-radius: 20px;

    padding: 24px;

    box-shadow:
        0 20px 60px rgba(0,0,0,.5);
}


.settings-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 24px;
}


.settings-section {

    margin-bottom: 24px;
}

.settings-section h3 {

    margin-bottom: 12px;

    color: var(--font-color-primary);
}


.font-controls {

    display: flex;

    align-items: center;

    gap: 12px;
}


.font-controls button,
#themeToggleBtn,
#closeSettingsBtn {

    background: var(--bg-secondary);

    border: 1px solid var(--bg-tertiary);

    color: var(--font-color-primary);

    padding: 10px 14px;

    border-radius: 10px;

    cursor: pointer;
}


.modal-overlay {

    position: fixed;
    inset: 0;

    background: rgba(0,0,0,.65);

    display: none;

    align-items: center;
    justify-content: center;

    z-index: 6000;

    backdrop-filter: blur(6px);
}

.confirm-modal {

    width: 400px;
    max-width: 90vw;

    background: var(--bg-secondary);

    border: 1px solid var(--border);

    color: var(--font-color-primary);

    border-radius: 20px;

    padding: 28px;

    text-align: center;

    animation: modalPop .2s ease;
}

.confirm-icon {

    font-size: 3rem;

    margin-bottom: 16px;
}

.confirm-modal h2 {

    margin-bottom: 8px;
}

.confirm-modal p {

    color: var(--text-secondary);

    margin-bottom: 24px;
}

.confirm-actions {

    display: flex;

    gap: 12px;
}

.confirm-actions button {

    flex: 1;
}

.secondary-btn {

    background: rgba(255,255,255,.05);

    border: 1px solid var(--border);

    color: var(--text-primary);

    padding: 12px;

    border-radius: 12px;

    cursor: pointer;
}

.danger-btn {

    background: #ef4444;

    border: none;

    color: white;

    padding: 12px;

    border-radius: 12px;

    cursor: pointer;
}

.danger-btn:hover {

    background: #dc2626;
}

@keyframes modalPop {

    from {
        opacity: 0;
        transform: scale(.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}







.chat-history::-webkit-scrollbar {
    width: 4px;

}

.chat-history::-webkit-scrollbar-track {
    background: transparent;
}

.chat-history::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.08);
    border-radius: 999px;
}

.chat-history::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,.16);
}



/*

.chat-history::-webkit-scrollbar {
    width: 4px;
}

.chat-history::-webkit-scrollbar-thumb {
    background: transparent;
}

.chat-history:hover::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.12);
}

*/






.streaming-message {
    white-space: pre-wrap;
}



.messages-inner,
.chat-header-content {
    width: min(
        var(--content-width),
        100%
    );

    margin: 0 auto;
}