body {
    font-family: sans-serif;
    background: #222;
    color: #e6e6e6;
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    box-sizing: border-box;
}
#main-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #171717;
    border-radius: 8px 0 0 8px;
    box-shadow: 0 2px 8px #000a;
    overflow: hidden;
    transition: margin-left 0.2s;
}
#main-layout.sidebar-collapsed {
    margin-left: 0 !important;
}
#chat-container {
    display: flex;
    flex-direction: column;
    width: min(100vw - 220px, 900px);
    max-width: 900px;
    min-width: 320px;
    margin-left: max(220px, calc((100vw - 900px) / 2));
    margin-right: auto;
    padding: 0 16px;
    background: #191c20;
    box-sizing: border-box;
    flex: none;
    height: 100vh;
}
#main-layout.sidebar-collapsed #chat-container {
    width: min(100vw, 900px);
    margin-left: auto;
    margin-right: auto;
    min-width: 320px;
}
#chat-title-bar {
    background: #23272e;
    color: #e6e6e6;
    font-weight: 600;
    font-size: 1.1em;
    padding: 12px 20px;
    border-bottom: 1px solid #222;
    display: flex;
    align-items: center;
    min-height: 48px;
}
#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #191b20;
    border-radius: 0 0 8px 8px;
}
.message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #3a3f47;
    max-width: 100%;
    word-break: break-word;
    padding: 8px 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    color: #e6e6e6;
}
.message .avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #333;
    font-size: 2.2em; /* Larger emoji */
    margin-right: 6px;
    flex-shrink: 0;
    object-fit: cover;
    overflow: hidden;
}
.message .avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: #333;
    display: block;
}
.message .avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1em; /* Inherit from .avatar for emoji scaling */
    line-height: 1;
}
.message-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}
.message-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 2px;
    justify-content: space-between;
}
.message-header-left {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.message-header > .name, .message-header > .timestamp {
    margin-right: 8px;
}
.message-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 12px;
}
.message-controls button {
    background: none;
    border: none;
    color: #737373;
    font-size: 1em;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background 0.13s, color 0.13s;
}
.message-controls button:hover {
    background: #20706a;
    color: #f6f6f6;
}
.message .name {
    font-weight: 600;
    margin-right: 8px;
    color: #f5f5f5;
}
.message .timestamp {
    font-size: 0.85em;
    color: #bfc7d5;
    margin-right: 10px;
}
.message .text {
    display: block;
    color: #e5e5e5;
    width: 100%;
    word-break: break-word;
}
.message.user {
    background: #232323;
    align-self: flex-start;
    text-align: left;
}
.message.assistant {
    background: #232323;
    align-self: flex-start;
    text-align: left;
}
.message-entry-menu {
    position: fixed;
    min-width: 120px;
    background: #fff;
    border: 1px solid #bbb;
    border-radius: 6px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.13);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    font-size: 15px;
    color: #222;
    overflow: hidden;
}
.message-entry-menu .menu-delete {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    color: rgb(90, 2, 2);
}
.message-entry-menu .menu-delete:hover {
    background: #e0e7ef;
    color: #a00;
}
#chat-input-area {
    display: flex;
    align-items: flex-end;
    padding: 14px 16px 18px 16px;
    background: #23272e;
    border-top: 1px solid #222;
    gap: 12px;
    border-radius: 0 0 8px 8px;
}
#chat-input {
    flex: 1;
    border-radius: 6px;
    border: 1.5px solid #222;
    background: #23272e;
    color: #e6e6e6;
    font-size: 1.08em;
    padding: 8px 12px;
    resize: none;
    min-height: 36px;
    max-height: 120px;
    box-shadow: 0 1px 2px #0004;
    transition: border 0.13s;
    overflow-y: hidden;
    max-height: 100px;
    transition: max-height 0.2s ease-in-out;
}
#chat-input:focus {
    border: 1.5px solid #3af;
    outline: none;
    max-height: 200px;
}
#send-btn {
    background: #23867a;
    color: #f6f6f6;
    border: none;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s;
    box-shadow: 0 1px 2px #0003;
    height: 100%; /* Make button match input height */
    align-self: stretch; /* Ensure it stretches to fill the flex container height */
    display: flex;
    align-items: center;
    justify-content: center;
}
#send-btn:hover {
    background: #20706a;
}
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 220px;
    height: 100vh;
    background: #23272e;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    z-index: 10;
    box-shadow: 2px 0 8px #000a;
}
#sidebar.sidebar-collapsed {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    padding: 0 !important;
    overflow: visible !important;
}
#sidebar.sidebar-collapsed * {
    display: none !important;
}
#sidebar.sidebar-collapsed #sidebar-expand-btn,
#sidebar.sidebar-collapsed #sidebar-collapse-btn {
    display: flex !important;
}
#sidebar-collapse-btn, #sidebar-expand-btn {
    margin: 8px;
    font-size: 20px;
    border: none;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.10);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border: 2px solid #bbb;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border 0.15s;
    z-index: 1001;
}
.sidebar-header {
    font-weight: bold;
    font-size: 1.1em;
    padding: 28px 16px 10px 56px;
    color: #b6c2d1;
    background: transparent;
    display: block;
}
.sidebar-header-row {
    display: block;
    width: 100%;
}
.sidebar-entry {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 8px 8px 16px;
    border-radius: 6px;
    margin: 4px 4px 0 4px;
    cursor: pointer;
    background: transparent;
    transition: background 0.15s;
    margin-top: 0;
    margin-bottom: 0;
}
.sidebar-entry:hover {
    background: #e0e7ef;
    color: #222;
}
.sidebar-entry:hover .conv-title {
    color: #222;
    font-weight: 600;
}
.sidebar-entry.active {
    background: #353535;
    color: #fff;
}
.sidebar-entry.active .conv-title {
    color: #fff;
    font-weight: 600;
}
.sidebar-entry-menu-btn {
    opacity: 0;
    pointer-events: none;
    background: none;
    border: none;
    font-size: 18px;
    margin-left: 4px;
    cursor: pointer;
    color: #888;
    transition: opacity 0.15s;
}
.sidebar-entry:hover .sidebar-entry-menu-btn {
    opacity: 1;
    pointer-events: auto;
}
.sidebar-entry-menu {
    position: absolute;
    right: 12px;
    top: 38px;
    min-width: 120px;
    background: #fff;
    border: 1px solid #bbb;
    border-radius: 6px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.13);
    z-index: 100;
    display: flex;
    flex-direction: column;
    font-size: 15px;
    overflow: hidden;
    color: #222;
    width: 140px;
    max-width: 200px;
    overflow-x: hidden;
    left: auto !important;
    right: auto !important;
}
.sidebar-entry-menu div {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    color: #222;
}
.sidebar-entry-menu div:hover {
    background: #e0e7ef;
    color: #111;
}
#new-chat-btn {
    margin: 0 auto 18px auto; /* Center button horizontally, add bottom margin */
    padding: 10px 16px;
    border-radius: 6px;
    border: none;
    font-size: 15px;
    background: #23867a;
    color: #f6f6f6;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    transition: background 0.15s;
    width: 95%; /* Slightly inset from sidebar edges */
    display: block;
    text-align: center; /* Center text */
}
#new-chat-btn:hover {
    background: #20706a;
}
#sidebar-toggle-btn {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 2000;
    width: 36px;
    height: 36px;
    font-size: 20px;
    color: #d4d4d4;
    border: none;
    background: #212c27;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.836);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border 0.15s;
    border: 2px solid #2c312f;
}
#sidebar-toggle-btn:focus {
    outline: 2px solid rgb(72, 129, 112);
}
#options-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
#options-modal-content {
    background: #23272e;
    color: #e6e6e6;
    border-radius: 12px;
    box-shadow: 0 4px 24px #000a;
    padding: 28px 32px 22px 32px;
    min-width: 320px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
#options-modal-content label {
    font-size: 1em;
    font-weight: 500;
    margin-bottom: 2px;
}
#options-modal-content input, #options-modal-content textarea {
    width: 100%;
    background: #333;
    color: #e6e6e6;
    border: 1px solid #444;
    border-radius: 5px;
    padding: 8px 11px;
    font-size: 1em;
    margin-bottom: 8px;
    box-sizing: border-box;
}
#options-modal-content textarea {
    min-height: 60px;
    resize: vertical;
}
.modal-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 14px;
}
#options-modal-content button {
    background: #23867a;
    color: #f6f6f6;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s;
    box-shadow: 0 1px 2px #0003;
    border: none;
}
#options-modal-content button:hover {
    background: #20706a;
}
.text-with-alternates {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.alternates-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    background: rgba(40, 60, 80, 0.15);
    border-radius: 8px;
    padding: 2px 10px;
    transition: background 0.15s, box-shadow 0.15s;
    box-shadow: 0 1px 4px #0002;
    opacity: 0.7;
}
.text-with-alternates:hover .alternates-nav,
.alternates-nav:focus-within {
    background: rgba(40, 60, 80, 0.35);
    opacity: 1;
}
.alt-left-btn, .alt-right-btn {
    background: none;
    border: none;
    color: #3af;
    font-size: 1.2em;
    padding: 0 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.13s;
}
.alt-left-btn:hover, .alt-right-btn:hover {
    background: #3af2;
}
.alt-indicator {
    color: #fff;
    font-weight: 600;
    font-size: 1em;
    letter-spacing: 0.04em;
    padding: 0 6px;
}
/* --- Strongest override for collapsed sidebar --- */
.sidebar-container.sidebar-collapsed, .sidebar-bg.sidebar-collapsed {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}
#sidebar .sidebar-bottom-btn {
    background: #23867a;
    color: #e6e6e6;
    border: none;
    padding: 12px 0;
    margin: 0 12px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.13s, color 0.13s;
    margin-bottom: 4px;
    display: block;
}
#sidebar .sidebar-bottom-btn:hover {
    background: #20706a;
    color: #fff;
}
.sidebar-divider {
    border: none;
    border-top: 2px solid #888;
    margin: 8px 0;
    width: 90%;
    align-self: center;
    height: 0;
    background: none;
}
#sidebar > div:nth-child(2) {
    flex: 1 1 auto;
    overflow-y: auto;
    margin-bottom: 60px; /* Space for bottom button */
}
.character-modal-content {
    background: #23272e;
    color: #e6e6e6;
    border-radius: 12px;
    padding: 30px 36px 22px 36px;
    min-width: 640px;
    max-width: 1200px; /* 7 columns */
    width: 90vw;
    min-height: 120px;
    max-height: 90vh;
    box-shadow: 0 8px 32px #0006, 0 1.5px 7px #0002;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
.character-list {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    max-height: 420px;
    width: 100%;
    min-width: 0;
    overflow-y: auto;
    margin-bottom: 16px;
    margin-top: 6px;
    padding-right: 2px;
    grid-auto-rows: 1fr;
}
@media (max-width: 1100px) {
    .character-modal-content {
        max-width: 1040px;
    }
    .character-list {
        grid-template-columns: repeat(6, 1fr);
    }
}
@media (max-width: 800px) {
    .character-modal-content {
        max-width: 700px;
    }
    .character-list {
        grid-template-columns: repeat(4, 1fr);
    }
}
.character-entry {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    background: #262626;
    border: 1px solid #3f3f3f;
    border-radius: 16px;
    padding: 0 0 0 0;
    font-size: 1.08em;
    color: #e6e6e6;
    cursor: pointer;
    /* border: 1.5px solid transparent; */
    box-shadow: 0 1px 3px #0001;
    transition: background 0.15s, border 0.13s, color 0.13s;
    position: relative;
    width: 164px;
    min-width: 164px;
    max-width: 164px;
    height: auto;
    min-height: 180px;
    max-height: 260px;
    overflow: hidden;
}
.character-entry .avatar {
    width: 164px;
    height: 128px;
    background: #181a1f;
    border-radius: 16px 16px 0 0;
    border: none;
    overflow: hidden;
    margin: 0;
    padding: 0;
    display: block;
    position: relative;
}
.character-entry .avatar img.avatar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    object-fit: cover !important;
    object-position: center center !important;
    margin: 0 !important;
    float: none !important;
    align-self: stretch !important;
    background: #181a1f;
    border-radius: 0 !important;
    box-shadow: none !important;
}
.character-entry .avatar.avatar-emoji {
    display: flex;
    align-items: center;
    justify-content: center;
}
.character-entry .avatar.avatar-emoji span {
    font-size: 3.5em;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    line-height: 1;
}
.character-entry span.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4em;
    width: 100%;
    height: 100%;
    background: #181a1f;
    border-radius: 0;
    position: static;
}
.character-entry .character-name {
    font-weight: 600;
    font-size: 1.08em;
    padding: 4px 8px 6px 8px;
    margin: 0;
    max-height: 36px;
    line-height: 1.2;
    text-align: center;
    background: transparent;
    word-break: break-word;
}
.character-edit-btn {
    margin-left: 0;
    margin-top: 2px;
    background: none;
    border: none;
    color: #aaa;
    font-size: 1.1em;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    transition: background 0.13s, color 0.13s;
    position: absolute;
    top: 7px;
    right: 7px;
    z-index: 2;
}
.character-edit-btn:hover {
    background: #23867a22;
    color: #23867a;
}
.character-confirm-btn {
    background: #23867a;
    color: #f6f6f6;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s;
    box-shadow: 0 1px 2px #0003;
    border: none;
    margin-top: 18px;
}
.character-confirm-btn:hover {
    background: #20706a;
}
.character-cancel-btn {
    background: #444;
    color: #f6f6f6;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    border: none;
    margin-left: 10px;
    margin-top: 18px;
}
.character-cancel-btn:hover {
    background: #222;
}
.character-add-btn {
    background: #23867a;
    color: #f6f6f6;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s;
    box-shadow: 0 1px 2px #0003;
    border: none;
    margin-top: 10px;
    margin-bottom: 10px;
}
.character-add-btn:hover {
    background: #20706a;
}
.character-modal-content label {
    font-size: 0.98em;
    font-weight: 500;
    margin-bottom: 2px;
    margin-top: 10px;
}
.character-modal-content input[type="text"],
.character-modal-content textarea {
    width: 100%;
    background: #333;
    color: #e6e6e6;
    border: 1px solid #444;
    border-radius: 5px;
    padding: 8px 11px;
    font-size: 1em;
    margin-bottom: 8px;
    box-sizing: border-box;
}
.character-modal-content textarea {
    min-height: 40px;
    resize: vertical;
}
.avatar {
    width: 60px;
    height: 60px;
    font-size: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    object-fit: cover;
    background: #333;
}
.avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    background: #333;
}
.character-name {
    font-weight: 600;
    font-size: 1.08em;
}
.character-menu-btn {
    background: #23272e;
    color: #f7f7f7;
    border: 1.5px solid #222;
    border-radius: 7px;
    box-shadow: 0 1px 3px #0005;
    font-size: 1.05em;
    padding: 1px 6px 1px 6px;
    cursor: pointer;
    transition: background 0.13s, color 0.13s, border 0.13s;
    outline: none;
    position: absolute;
    top: 5px;
    right: 5px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    width: 24px;
    min-width: unset;
}
.character-menu-btn:hover, .character-menu-btn:focus {
    background: #344;
    color: #fff;
    border-color: #3af;
}
.character-entry-menu {
    position: fixed;
    min-width: 120px;
    background: #23272e;
    border: 1.5px solid #222;
    border-radius: 8px;
    box-shadow: 0 4px 18px #0006;
    z-index: 2002;
    display: flex;
    flex-direction: column;
    font-size: 15px;
    color: #e6e6e6;
    overflow: hidden;
}
.character-entry-menu .menu-edit,
.character-entry-menu .menu-delete {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.character-entry-menu .menu-edit:hover {
    background: #20706a;
    color: #fff;
}
.character-entry-menu .menu-delete {
    color: #e45d5d;
}
.character-entry-menu .menu-delete:hover {
    background: #a00;
    color: #fff;
}
/* --- Reusable Confirm Modal Styles --- */
#confirm-modal {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(30, 34, 40, 0.45);
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.confirm-modal-content {
    background: #23272e;
    color: #e6e6e6;
    border-radius: 14px;
    box-shadow: 0 4px 24px #000a;
    padding: 28px 32px 22px 32px;
    min-width: 320px;
    max-width: 90vw;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: stretch;
}
.confirm-modal-title {
    font-size: 1.18em;
    font-weight: 700;
    margin-bottom: 7px;
}
.confirm-modal-message {
    font-size: 1.06em;
    margin-bottom: 14px;
    white-space: pre-line;
}
.confirm-modal-buttons {
    display: flex;
    gap: 14px;
    justify-content: flex-end;
    margin-top: 8px;
}
.confirm-modal-btn {
    background: #23867a;
    color: #f6f6f6;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 1.07em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s;
    box-shadow: 0 1px 2px #0003;
    border: none;
}
.confirm-modal-btn:hover {
    background: #20706a;
}
.confirm-modal-btn-danger {
    background: #e45d5d;
    color: #fff;
}
.confirm-modal-btn-danger:hover {
    background: #a00;
}
.confirm-modal-btn-cancel {
    background: #444;
    color: #eee;
}
.confirm-modal-btn-cancel:hover {
    background: #222;
}