/* Ana Stiller */
:root {
    /* Light Mode Variables */
    --primary-color: #19c37d;
    --secondary-color: #6c757d;
    --background-color: #ffffff;
    --border-color: #e5e5e5;
    --text-color: #343541;
    --sidebar-width: 260px;
    --sidebar-bg: #f7f7f8;
    --chat-bg: #ffffff;
    --message-bg: #ffffff;
    --hover-bg: #ececf1;
    --active-bg: #343541;
    --active-text: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --top-bar-height: 60px;
    --bot-message-bg: #f7f7f8;
    --user-message-bg: #343541;
    --danger-color: #dc3545;
    --bg-primary: #ffffff;
    --bg-secondary: #f7f7f8;
    --text-primary: #2d2d2d;
    --text-secondary: #6b6b6b;
    --accent-color: #007aff;
    --user-message-color: #ffffff;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --background-color: #343541;
    --border-color: #4e4f60;
    --text-color: #ececf1;
    --sidebar-bg: #202123;
    --chat-bg: #343541;
    --message-bg: #444654;
    --bot-message-bg: #444654;
    --user-message-bg: #343541;
    --hover-bg: #2a2b32;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --danger-color: #ff4754;
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #0a84ff;
    --user-message-color: #ffffff;
}

:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f7f7f8;
    --text-primary: #2d2d2d;
    --text-secondary: #6b6b6b;
    --border-color: #e5e5e5;
    --hover-color: #f0f0f0;
    --accent-color: #007aff;
    --bot-message-bg: #f7f7f8;
    --user-message-bg: #007aff;
    --user-message-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

:root[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #404040;
    --hover-color: #333333;
    --accent-color: #0a84ff;
    --bot-message-bg: #2d2d2d;
    --user-message-bg: #0a84ff;
    --user-message-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: Söhne, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif, "Helvetica Neue", Arial;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Stili */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.sidebar-header {
    padding: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.new-chat-btn {
    width: 100%;
    padding: 0.75rem;
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.new-chat-btn:hover {
    background-color: var(--hover-bg);
}

.conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.conversation-item {
    padding: 0.75rem 0.875rem;
    margin-bottom: 0.125rem;
    border-radius: 0.375rem;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.conversation-item:hover {
    background-color: var(--hover-bg);
}

.conversation-item.active {
    background-color: var(--active-bg);
    color: var(--active-text);
}

.conversation-item i {
    font-size: 0.875rem;
    opacity: 0.7;
}

.conversation-actions {
    position: absolute;
    right: 0.5rem;
    display: none;
    gap: 0.25rem;
}

.conversation-item:hover .conversation-actions {
    display: flex;
}

.action-btn {
    padding: 0.25rem;
    background: none;
    border: none;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.action-btn:hover {
    opacity: 1;
}

.sidebar-footer {
    padding: 0.875rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.theme-toggle {
    width: 100%;
    padding: 0.75rem;
    background-color: transparent;
    color: var(--text-color);
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
}

.theme-toggle i {
    font-size: 1rem;
    opacity: 0.7;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    width: 100%;
    color: var(--danger-color);
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.logout-btn:hover {
    background-color: var(--hover-bg);
}

.logout-btn i {
    font-size: 1rem;
}

/* Ana İçerik Stili */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--chat-bg);
    position: relative;
}

/* Top Bar Stili */
.top-bar {
    height: var(--top-bar-height);
    padding: 0 1.5rem;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.model-select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: transparent;
    color: var(--text-color);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.model-select:hover {
    border-color: var(--primary-color);
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    color: var(--text-color);
}

.user-info:hover {
    background-color: var(--hover-bg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem;
    min-width: 200px;
    box-shadow: 0 2px 10px var(--shadow-color);
    display: none;
    z-index: 1000;
}

.user-menu:hover .dropdown-menu {
    display: block;
}

/* Chat Alanı */
#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    background-color: var(--chat-bg);
}

.message {
    border-bottom: 1px solid var(--border-color);
}

.message-content {
    max-width: 48rem;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    gap: 1.5rem;
}


.avatar {
    width: 30px;
    height: 30px;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    background-color: #19c37d;
}

.message.user .avatar {
    background-color: #fff;
    color: #343541;
}

.message.bot .avatar {
    background-color: #19c37d;
    color: white;
}

.message-bubble {
    flex: 1;
    font-size: 1rem;
    line-height: 1.5;
}

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

.message-time {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
}

/* Giriş Alanı */
.chat-input-container {
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 1rem;
}

.input-wrapper {
    max-width: 48rem;
    margin: 0 auto;
    display: flex;
    gap: 0.75rem;
    background-color: var(--chat-bg);
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 0 10px var(--shadow-color);
    transition: all 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(25, 195, 125, 0.25);
}

#message {
    flex: 1;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-color);
    resize: none;
    min-height: 24px;
    max-height: 200px;
    outline: none;
    font-size: 1rem;
    line-height: 1.5;
    font-family: inherit;
}

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

#chat-form button {
    padding: 0.375rem;
    color: var(--primary-color);
    background: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

#chat-form button:hover {
    opacity: 1;
    background-color: rgba(25, 195, 125, 0.1);
}

/* Loading Indicator */
#loading {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--background-color);
    padding: 0.75rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px var(--shadow-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-size: 0.875rem;
}

.typing-indicator {
    display: flex;
    gap: 0.3rem;
}

.typing-indicator span {
    width: 4px;
    height: 4px;
    background-color: currentColor;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.2;
    }
    50% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 40vh;
    }
    
    .main-content {
        height: 60vh;
    }
    
    .message-content {
        max-width: 100%;
        padding: 1rem;
    }
    
    .input-wrapper {
        max-width: 100%;
    }
}

/* Tema değişkenleri */
:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f7f7f8;
    --text-primary: #2d2d2d;
    --text-secondary: #6b6b6b;
    --border-color: #e5e5e5;
    --hover-color: #f0f0f0;
    --accent-color: #007aff;
    --bot-message-bg: #f7f7f8;
    --user-message-bg: #007aff;
    --user-message-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

:root[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #404040;
    --hover-color: #333333;
    --accent-color: #0a84ff;
    --bot-message-bg: #2d2d2d;
    --user-message-bg: #0a84ff;
    --user-message-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Ana konteyner */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

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

.new-chat-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.new-chat-btn:hover {
    opacity: 0.9;
}

.conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.conversation-item {
    padding: 12px;
    margin: 4px 0;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    position: relative;
    transition: background-color 0.2s;
}

.conversation-item:hover {
    background-color: var(--hover-color);
}

.conversation-item.active {
    background-color: var(--hover-color);
}

.conversation-item i {
    color: var(--text-secondary);
    font-size: 16px;
    width: 20px;
}

.title-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
}

.conversation-actions {
    display: none;
    gap: 8px;
    margin-left: auto;
}

.conversation-item:hover .conversation-actions {
    display: flex;
}

.action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.action-btn:hover {
    background-color: var(--hover-color);
    color: var(--text-primary);
}

.title-edit-input {
    width: 100%;
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
}

.theme-toggle, .logout-btn {
    flex: 1;
    padding: 8px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.theme-toggle:hover, .logout-btn:hover {
    background-color: var(--hover-color);
}

/* Ana içerik */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    position: relative;
}

.top-bar {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.model-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    max-width: 200px;
}

.model-select optgroup {
    color: var(--text-secondary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

.user-info i {
    color: var(--text-secondary);
}

/* Sohbet alanı */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    scroll-behavior: smooth;
}

.message {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 85%;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.message-content {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.avatar i {
    color: var(--text-secondary);
    font-size: 18px;
}

.message-bubble {
    background-color: var(--bot-message-bg);
    padding: 12px 16px;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 2px 4px var(--shadow-color);
}

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

.message-text {
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
}

.message-time {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.8);
}

/* Form */
.chat-form {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    position: sticky;
    bottom: 0;
    z-index: 10;
}

.input-container {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 12px 16px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

#message {
    flex: 1;
    border: none;
    background: none;
    resize: none;
    padding: 4px 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    max-height: 200px;
    min-height: 24px;
    font-family: inherit;
}

#message:focus {
    outline: none;
}

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

.send-button {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-button:hover {
    background-color: var(--hover-color);
    transform: scale(1.1);
}

/* Yükleniyor */
.loading-container {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-secondary);
    padding: 12px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    display: none;
    z-index: 1000;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--text-secondary);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Kaydırma çubuğu */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background-color: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary);
}