:root {
    --white: #ffffff;
    --bg-primary: #101524;
    --bg-secondary: #161c2e;
    --bg-tertiary: #0e131f;
    --text-primary: #f2ddcc;
    --text-secondary: #828bac;
    --send-color: #455172;
    --send-hover: #505b7b;
    --accent-hover: #101420;
    --user-message: #1d2439;
    --border-color: #404040;
    --error-color: #ef4444;
    --success-color: #10b981;
    --transition-speed: 0.2s;
}

body {
    font-family: 'Segoe UI', sans-serif;
    font-size: 1.05rem;
    font-weight: 500;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--border-color);
}

.modal-content h2 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.input-wrapper {
    position: relative;
    margin: 1.5rem 0;
}

.input-wrapper input {
    width: 90%;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-speed);
}

.input-wrapper label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    transition: var(--transition-speed);
    pointer-events: none;
}

.input-wrapper input:focus+label,
.input-wrapper input:not(:placeholder-shown)+label {
    top: 0;
    transform: translateY(-50%) scale(0.8);
    background-color: var(--bg-tertiary);
    padding: 0 0.5rem;
}

.show-key-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.error-settings-message {
    color: var(--error-color);
    margin-bottom: 1rem;
    font-weight: bold;
    text-align: center;
}

.toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    margin: 0 1rem;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-primary);
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--bg-tertiary);
}

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

.header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem;
    z-index: 100;
}

.greeting-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1rem;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

.greeting-title {
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.greeting-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.suggestion-bubble {
    padding: 0.75rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    cursor: pointer;
    transition: var(--transition-speed);
    color: var(--text-primary);
    white-space: nowrap;
}

.suggestion-bubble:hover {
    background-color: var(--accent-hover);
}

.chat-container {
    flex-grow: 1;
    padding: 0 1rem;
    overflow-y: auto;
    width: 800px;
    align-self: center;
    display: flex;
    flex-direction: column;
}

#chat-history {
    flex-grow: 1;
    overflow-y: auto;
    scroll-behavior: smooth;
    padding: 10rem 0;
}

.message {
    width: fit-content;
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease-out;
    border-radius: 1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.user-message {
    background-color: var(--user-message);
    color: var(--text-primary);
    margin-left: auto;
    padding: 1px 1rem;
    max-width: 80%;
    word-wrap: break-word;
}

.assistant-message {
    color: var(--text-primary);
    margin-right: auto;
    padding: 1px 1rem;
    max-width: 80%;
    word-wrap: break-word;
}

.assistant-message img {
    max-width: 200px;
    max-height: 200px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    background-color: var(--bg-secondary);
}

.processing-text {
    background: linear-gradient(270deg, #FFFFFF, #BBBBBB, #DDDDDD);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    animation: gradientMoves 800ms linear infinite;
}

@-webkit-keyframes gradientMoves {
    0% { background-position: 200% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@-moz-keyframes gradientMoves {
    0% { background-position: 200% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes gradientMoves { 
    0% { background-position: 200% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.done-container {
    color: grey;
    margin-top: 0.5rem;
}

.message-attachments {
    display: flex;
    flex-wrap: wrap;
    justify-content: end;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.message-attachments .attachment-preview {
    position: relative;
    max-height: 150px;
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.message-attachments .attachment-preview img {
    max-width: 100%;
    max-height: 100%;
}

.message-attachments .attachment-preview div {
    color: var(--text-secondary);
    text-align: center;
    padding: 0.5rem;
}

.message-attachments .remove-attachment {
    display: none;
}

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    padding: 1px 1rem;
}

.event-message {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    margin: 0.5rem 0;
    border-radius: 0.5rem;
    text-align: center;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.event-message.fade-out {
    opacity: 0;
}

.message-content {
    flex-grow: 1;
    color: var(--text-primary);
}

.message-content code {
    background-color: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
}

.attachment-previews {
    display: flex;
    overflow-x: auto;
    gap: 0.5rem;
}

.input-group {
    display: flex;
    width: 100%;
    flex-direction: column;
    border-radius: 1.2rem;
    padding: 0 0.5rem;
    white-space: pre-wrap;
}

.message-input {
    padding: 0.5rem;
    min-height: 1.5rem;
    outline: none;
    color: var(--white);
    flex: 1;
}

.message-input[contenteditable="true"]:empty::before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
    pointer-events: none;
}

#message-input::placeholder {
    color: var(--text-secondary);
}

#message-input:focus {
    outline: none;
}

.message-input-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

#file-input {
    display: none;
}

button {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-speed);
}

.icon-button {
    padding: 0.5rem;
    border-radius: 50%;
    color: var(--text-primary);
}

.icon-button:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.attach-button {
    padding: 0.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

.attach-button:hover {
    color: var(--text-primary);
}

.attachment-preview {
    margin-top: 0.5rem;
    flex: 0 0 auto;
    height: 150px;
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    background-color: var(--bg-secondary);
    display: flex;
    margin-bottom: 0.2rem;
    align-items: center;
    justify-content: center;
}

.attachment-preview img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 0.7rem;
}

.attachment-preview div {
    max-width: 100%;
    max-height: 100%;
    word-wrap: break-word;
    font-size: 0.75rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.remove-attachment {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    padding: 0;
    cursor: pointer;
}

.remove-attachment:hover {
    color: var(--error-color);
}

.drop-area {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
}

.drop-area-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-primary);
    border: 3px dashed var(--border-color);
    margin: 2rem;
    border-radius: 16px;
}

@media (max-width: 768px) {
    .header {
        padding: 0.5rem;
    }

    .chat-container {
        width: 100%;
        padding: 0 0.5rem;
    }

    .toolbar {
        width: 100%;
        flex-direction: column;
        padding: 0.5rem;
    }

    .viewer-close {
        top: 0.5rem;
        right: 0.5rem;
    }

    .viewer-nav.prev {
        left: 0.5rem;
    }

    .viewer-nav.next {
        right: 0.5rem;
    }
}

.toolbar {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 28px;
    width: 700px;
    max-width: 95%;
    background-color: var(--bg-secondary);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: rgba(255, 255, 255, 0.12) 0px 0px 0px 1px inset;
}

.input-section {
    flex: 1;
}

.actions-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.actions-section .icon-button {
    width: 2.7rem;
    height: 2.7rem;
    color: var(--text-primary);
    border: none;
    border-radius: 50%; /* 0.7rem */
    transition: var(--transition-speed);
}

.actions-section .icon-button:hover {
    background-color: var(--accent-hover);
}

.send-button {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--send-color);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-speed);
}

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

.fullscreen-viewer {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 2000;
    backdrop-filter: blur(8px);
}

.viewer-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#viewer-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.viewer-text {
    display: none;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    max-width: 80%;
    word-break: break-word;
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

#viewer-video {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.viewer-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition-speed);
}

.viewer-close:hover {
    background-color: var(--accent-hover);
}

.viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition-speed);
}

.viewer-nav:hover {
    background-color: var(--accent-hover);
}

.viewer-nav.prev {
    left: 1rem;
}

.viewer-nav.next {
    right: 1rem;
}

.viewer-nav.hidden {
    display: none;
}