:root {
    --bg-color: #f0f0f0;
    --text-color: #333333;
    --text-color-subtle: #6c757d;
    --container-bg: #ffffff;
    --sidebar-bg: #e0e0e0;
    --user-msg-bg: #007bff;
    --user-msg-color: #ffffff;
    --assistant-msg-bg: #e9ecef;
    --assistant-msg-color: #333333;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --button-border: #ccc;
    --hover-bg: #d0d0d0;
    --active-nav-bg: #007bff;
    --active-nav-color: #ffffff;
    --secondary-button-bg: #f8f9fa;
    --secondary-button-color: #6c757d;
    --secondary-button-border: #dee2e6;
    --secondary-button-hover-bg: #e63946;
    --secondary-button-hover-color: #ffffff;
    --secondary-button-hover-border: #e63946;
    --error-bg: #ffdddd;
    --error-color: #d8000c;
    --error-border: #d8000c;
    --info-bg: #d4edda;
    --info-color: #155724;
    --app-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --sidebar-width: 220px;
    --sidebar-stub-width: 25px;
    /* The width of the visible tab when collapsed */
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --text-color-subtle: #adb5bd;
    --container-bg: #1e1e1e;
    --sidebar-bg: #252526;
    --assistant-msg-bg: #3a3a3c;
    --assistant-msg-color: #e0e0e0;
    --input-bg: #2a2a2e;
    --input-border: #4a4a4a;
    --button-border: #4a4a4a;
    --hover-bg: #4a4a4a;
    --secondary-button-bg: #3a3a3c;
    --secondary-button-color: #adb5bd;
    --secondary-button-border: #495057;
    --error-bg: #4d1a1a;
    --error-color: #ff8c8c;
    --error-border: #d8000c;
    --info-bg: #2b3d2b;
    --info-color: #a7e0a7;
    --app-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body {
    font-family: sans-serif;
    display: flex;
    height: 100vh;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Sidebar - Now uses a visible stub when collapsed */
#sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background-color: var(--sidebar-bg);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-sizing: border-box;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transform: translateX(0);
    transition: transform 0.3s ease-in-out, background-color 0.3s;
    overflow-x: hidden;
    border-right: 1px solid var(--button-border);
    cursor: pointer;
}

body.sidebar-collapsed #sidebar {
    /* Slide the sidebar left, but leave the stub visible */
    transform: translateX(calc(var(--sidebar-stub-width) - var(--sidebar-width)));
    cursor: pointer;
}

/* Hide the button content when collapsed for a clean stub */
body.sidebar-collapsed #sidebar>.nav-button {
    opacity: 0;
    pointer-events: none;
}

.nav-button {
    width: 100%;
    padding: 12px 15px;
    background-color: transparent;
    border: 1px solid var(--button-border);
    border-radius: 6px;
    text-align: left;
    font-size: 1rem;
    color: var(--text-color);
    transition: background-color 0.2s, color 0.2s, opacity 0.3s ease-in-out, border-color 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.nav-button:hover {
    background-color: var(--hover-bg);
}

.nav-button.active {
    background-color: var(--active-nav-bg);
    color: var(--active-nav-color);
    border-color: var(--active-nav-bg);
}

#content-wrapper {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    /* align-items: center; /* This is no longer needed */
    padding: 0;
    /* CHANGED: Removed padding to allow full-height container */
    box-sizing: border-box;
    height: 100vh;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease-in-out;
}

body.sidebar-collapsed #content-wrapper {
    /* Adjust margin to account for the visible stub */
    margin-left: var(--sidebar-stub-width);
}

#app-container {
    width: 100%;
    max-width: 1200px;
    /* CHANGED: Increased max-width for a wider chat area */
    height: 100%;
    /* CHANGED: Set to full height */
    border-radius: 0;
    /* CHANGED: Removed radius for a seamless edge-to-edge look */
    box-shadow: none;
    /* CHANGED: Removed shadow */
    overflow: hidden;
    background-color: var(--container-bg);
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, box-shadow 0.3s;
    border-left: 1px solid var(--input-border);
    /* Added for visual separation */
    border-right: 1px solid var(--input-border);
    /* Added for visual separation */
}

#main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.view {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
}

.active-view {
    display: flex;
}

#settings-view {
    padding: 30px;
    overflow-y: auto;
    box-sizing: border-box;
}

#chat-view {
    height: 100%;
}

#chat-history {
    flex-grow: 1;
    padding: 20px 40px;
    /* Increased side padding for delete button */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

#input-area {
    display: flex;
    align-items: flex-end;
    /* Align items to bottom */
    padding: 15px;
    border-top: 1px solid var(--input-border);
    transition: border-color 0.3s;
    position: relative;
}

.add-button {
    width: 80px;
    background-color: var(--secondary-button-bg);
    color: var(--secondary-button-color);
    border: 1px solid var(--secondary-button-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
    flex-shrink: 0;
    /* Prevent shrinking */
    align-self: stretch;
    /* Make it stretch to match textarea height */
}

.add-button:hover {
    background-color: var(--hover-bg);
    border-color: var(--button-border);
}

.add-button:active {
    transform: scale(0.95);
}

#user-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    resize: none;
    background-color: var(--input-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

#send-button {
    padding: 10px 20px;
    margin-left: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    /* Prevent shrinking */
    min-width: 80px;
    /* Ensure minimum width */
    align-self: stretch;
    /* Make it stretch to match textarea height */
}

#send-button:disabled {
    background-color: #aaa;
    cursor: not-allowed;
}

.message {
    max-width: 75%;
    margin-bottom: 10px;
    line-height: 1.4;
    display: flex;
    position: relative;
    /* Needed for positioning the delete button */
}

.message-content {
    padding: 10px 15px;
    border-radius: 18px;
    white-space: pre-wrap;
    width: 100%;
    /* Ensure content div takes full width inside message */
    cursor: text;
    transition: background-color 0.3s, color 0.3s;
}

/* Visual cue for when a message is being edited */
.message-content[contenteditable="true"]:focus {
    outline: 2px solid var(--user-msg-bg);
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

.user-message .message-content {
    background-color: var(--user-msg-bg);
    color: var(--user-msg-color);
}

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

.assistant-message .message-content {
    background-color: var(--assistant-msg-bg);
    color: var(--assistant-msg-color);
}

.assistant-message {
    align-self: flex-start;
}

.assistant-message.streaming {
    opacity: 0.8;
}

/* --- NEW: Delete Button Styles --- */
.delete-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--secondary-button-bg);
    color: var(--secondary-button-color);
    border: 1px solid var(--secondary-button-border);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    /* Hidden by default */
    transition: opacity 0.2s, background-color 0.2s, color 0.2s, border-color 0.2s;
    font-family: sans-serif;
    z-index: 10;
}

.user-message .delete-button {
    left: -28px;
}

.assistant-message .delete-button {
    right: -28px;
}

.message:hover .delete-button {
    opacity: 1;
}

.delete-button:hover {
    background-color: var(--secondary-button-hover-bg);
    color: var(--secondary-button-hover-color);
    border-color: var(--secondary-button-hover-border);
}

/* --- END: Delete Button Styles --- */

/* --- Undo/Redo Buttons --- */
.history-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 900;
}

.history-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-button-bg);
    border: 1px solid var(--secondary-button-border);
    color: var(--secondary-button-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.history-button:hover:not(:disabled) {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.history-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.history-button:disabled:hover {
    transform: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* --- END: Undo/Redo Buttons --- */

/* --- Temporary Message Styles --- */
.temp-message {
    align-self: center;
    background-color: var(--secondary-button-bg);
    color: var(--text-color-subtle);
    border: 1px solid var(--secondary-button-border);
    padding: 10px 20px;
    border-radius: 18px;
    margin-bottom: 10px;
    font-style: italic;
    animation: fadeInOut 3s ease-in-out forwards;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    20% {
        opacity: 1;
        transform: translateY(0);
    }

    80% {
        opacity: 1;
        transform: translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* --- END: Temporary Message Styles --- */

.error-message {
    align-self: center;
    background-color: var(--error-bg);
    color: var(--error-color);
    border: 1px solid var(--error-border);
    padding: 10px 15px;
    border-radius: 18px;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

/* Remove default contenteditable outline in some browsers */
[contenteditable]:focus {
    outline: none;
}

.form-group {
    margin-bottom: 20px;
    max-width: 500px;
}

.form-group.toggle-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group.toggle-group label {
    margin-bottom: 0;
    /* Override default margin for inline items */
}

/* START: MODIFIED SELECTOR - ADDED textarea */
input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid var(--input-border);
    box-sizing: border-box;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
    font-family: inherit; /* Ensure textarea uses same font */
    resize: vertical; /* Allow vertical resize */
}
/* END: MODIFIED SELECTOR */

/* --- NEW: Slider Styles --- */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    /* Space between label and slider */
}

.slider-group label {
    display: flex;
    justify-content: space-between;
    /* Puts the value on the right */
    align-items: center;
    margin-bottom: 0;
    /* Override default label margin */
}

.slider-group span {
    font-weight: normal;
    background-color: var(--sidebar-bg);
    padding: 2px 8px;
    border-radius: 4px;
    min-width: 40px;
    /* Give it some space */
    text-align: center;
    transition: background-color 0.3s;
}

input[type="range"] {
    -webkit-appearance: none;
    /* Hides the slider so we can custom style it */
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--input-border);
    border-radius: 5px;
    outline: none;
    opacity: 0.7;
    transition: opacity .2s, background-color 0.3s;
    cursor: pointer;
}

input[type="range"]:hover {
    opacity: 1;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--user-msg-bg);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid var(--container-bg);
    transition: background-color 0.3s, border-color 0.3s;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--user-msg-bg);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid var(--container-bg);
    transition: background-color 0.3s, border-color 0.3s;
}

/* Remove arrows from number input */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    /* Firefox */
}

/* --- END: Slider Styles --- */

#cors-warning {
    background-color: var(--info-bg);
    color: var(--info-color);
    padding: 10px;
    margin-top: 20px;
    border-radius: 4px;
    font-size: 0.9em;
    max-width: 500px;
    transition: background-color 0.3s, color 0.3s;
}

/* Toggle Switch CSS */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

body.dark-mode .slider {
    background-color: #555;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: #007bff;
}

input:focus+.slider {
    box-shadow: 0 0 1px #007bff;
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Console View Styles */
#console-view {
    padding: 0;
    background-color: #2b2b2b;
    color: #f0f0f0;
    flex-direction: column;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: #3c3c3c;
    border-bottom: 1px solid #555;
    flex-shrink: 0;
}

.console-header h2 {
    margin: 0;
    font-size: 1.2rem;
}

#clear-console-button {
    padding: 5px 15px;
    background-color: #555;
    color: white;
    border: 1px solid #777;
    border-radius: 4px;
    cursor: pointer;
}

#clear-console-button:hover {
    background-color: #666;
}

#console-output {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px 20px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.log-entry {
    padding: 5px 0;
    border-bottom: 1px dotted #444;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-INFO {
    color: #a9b7c6;
}

.log-API_REQUEST {
    color: #ffc66d;
}

.log-API_RESPONSE {
    color: #a5c261;
}

.log-ERROR {
    color: #ff6b68;
}

.log-STREAMING {
    color: #bb86fc;
}

.log-entry strong {
    font-weight: bold;
}

/* --- NEW: Custom Dark Mode Scrollbar --- */
/* This works in WebKit-based browsers like Chrome, Edge, Safari */
body.dark-mode ::-webkit-scrollbar {
    width: 12px;
}

body.dark-mode ::-webkit-scrollbar-track {
    background: var(--container-bg);
    /* Match the app background */
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background-color: var(--input-border);
    /* A subtle dark gray */
    border-radius: 20px;
    border: 3px solid var(--container-bg);
    /* Creates a padding effect */
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background-color: #6a6a6a;
    /* Lighter on hover */
}

body.dark-mode ::-webkit-scrollbar-corner {
    background: transparent;
}