/* 
 * Serena WebUI - Styles
 * Interface de chat escura, moderna e limpa
 */

/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores do tema escuro */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    
    /* Cores de borda */
    --border-color: #30363d;
    --border-hover: #484f58;
    
    /* Cores de texto */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    /* Cores de accent */
    --accent-primary: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-muted: rgba(88, 166, 255, 0.1);
    
    /* Cores de mensagens */
    --msg-user-bg: #238636;
    --msg-user-text: #ffffff;
    --msg-ai-bg: #21262d;
    --msg-ai-text: #e6edf3;
    --msg-ai-border: #30363d;
    
    /* Cores de status */
    --success: #3fb950;
    --error: #f85149;
    --warning: #d29922;
    
    /* Espaçamentos */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* Body */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

/* Container */
.container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    max-width: 100%;
    margin: 0;
    overflow: hidden;
}

/* Main Area */
.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100vh;
    overflow: hidden;
}

/* ==================== Audio Sidebar (LADO ESQUERDO) ==================== */
.audio-sidebar {
    width: 200px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    padding: var(--spacing-md);
    overflow: hidden;
}

.audio-sidebar-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.serena-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-muted);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.serena-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.serena-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Audio Panel */
.audio-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    min-height: 150px;
}

.audio-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-md);
    height: 100%;
}

.audio-placeholder svg {
    opacity: 0.5;
    margin-bottom: var(--spacing-sm);
}

.audio-placeholder p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.audio-hint {
    font-size: 0.7rem;
    opacity: 0.7;
}

/* Audio List */
.audio-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    overflow-y: auto;
}

.audio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.audio-item.playing {
    border-color: var(--accent-primary);
    background-color: var(--accent-muted);
}

.audio-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 0;
}

.audio-item-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--accent-muted);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.audio-item-filename {
    font-size: 0.8rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: monospace;
}

.audio-item.playing .audio-item-filename {
    color: var(--accent-primary);
}

.audio-item-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.audio-item-play,
.audio-item-download {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.audio-item-play:hover,
.audio-item-download:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.audio-item.playing .audio-item-play {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: var(--accent-primary);
    color: white;
}

.audio-item-download:hover {
    background-color: var(--accent-muted);
}

/* Audio wave animation */
.audio-waveform {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--accent-primary);
}

.wave-bar {
    animation: wavePulse 1s ease-in-out infinite;
}

.audio-waveform.playing .wave-bar {
    animation: waveEqualizer 0.5s ease-in-out infinite;
}

@keyframes wavePulse {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

@keyframes waveEqualizer {
    0%, 100% { transform: scaleY(0.3); }
    50% { transform: scaleY(1); }
}

.audio-play-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    background-color: var(--accent-muted);
    color: var(--accent-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.audio-play-btn:hover {
    background-color: var(--accent-primary);
    color: white;
    transform: scale(1.05);
}

.audio-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
}

/* Audio Controls */
.audio-controls {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.volume-control input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background-color: var(--bg-hover);
    border-radius: 2px;
    cursor: pointer;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    cursor: pointer;
}

/* ==================== Sidebar de Prompts (Meio) ==================== */
.prompt-sidebar {
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

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

.sidebar-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.prompt-types {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.prompt-type-btn {
    flex: 1;
    min-width: calc(50% - var(--spacing-xs));
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.prompt-type-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

.prompt-type-btn.active {
    background-color: var(--accent-muted);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.prompt-editors {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.prompt-editor {
    display: none;
}

.prompt-editor.active {
    display: block;
}

.prompt-editor label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.prompt-editor textarea {
    width: 100%;
    min-height: 180px;
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: monospace;
    line-height: 1.5;
    resize: vertical;
}

.prompt-editor textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* TTS Config */
.tts-config {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
}

.tts-config-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.tts-config input[type="password"] {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-family: monospace;
}

.tts-config input[type="password"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.tts-config input[type="password"]::placeholder {
    color: var(--text-muted);
}

.tts-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    font-size: 0.7rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--warning);
}

.status-indicator.active {
    background-color: var(--success);
}

.status-indicator.error {
    background-color: var(--error);
}

.status-text {
    color: var(--text-muted);
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

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

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

.chat-messages::-webkit-scrollbar-thumb:hover {
    background-color: var(--border-hover);
}

/* Messages */
.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 85%;
    animation: fadeIn 0.3s ease;
}

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

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-avatar {
    background-color: var(--accent-muted);
    color: var(--accent-primary);
}

.user-avatar {
    background-color: var(--msg-user-bg);
    color: white;
}

.message-content {
    background-color: var(--msg-ai-bg);
    border: 1px solid var(--msg-ai-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
}

.message.user .message-content {
    background-color: var(--msg-user-bg);
    border: none;
    color: var(--msg-user-text);
}

.message-content p {
    margin-bottom: var(--spacing-xs);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-time {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    text-align: right;
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.7);
}

/* Typing Indicator */
.typing-indicator {
    padding: var(--spacing-md) var(--spacing-lg);
    padding-top: 0;
}

.typing-indicator.hidden {
    display: none;
}

.typing-dots {
    display: flex;
    gap: 4px;
    padding: var(--spacing-xs);
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

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

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-4px);
    }
}

/* Input Area */
.input-area {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    transition: border-color var(--transition-fast);
}

.input-container:focus-within {
    border-color: var(--accent-primary);
}

#message-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    resize: none;
    max-height: 150px;
    min-height: 24px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

.send-button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: none;
    background-color: var(--accent-primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.send-button:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.send-button:disabled {
    background-color: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

.send-button svg {
    transform: translateX(1px);
}

/* Error State */
.message-content.error {
    border-color: var(--error);
    background-color: rgba(248, 81, 73, 0.1);
}

.message-content.error p {
    color: var(--error);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        max-width: 100%;
    }
    
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .chat-messages {
        padding: var(--spacing-md);
    }
    
    .input-area {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .message {
        max-width: 90%;
    }
}

/* Auto-resize textarea */
textarea {
    field-sizing: content;
}

/* Audio Player */
.audio-player {
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.play-audio-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--accent-muted);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.play-audio-btn:hover {
    background-color: var(--accent-primary);
    color: white;
}

.play-audio-btn svg {
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 1100px) {
    .container {
        flex-direction: column;
    }
    
    .audio-sidebar {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-md);
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        height: auto;
        max-height: 150px;
    }
    
    .audio-sidebar-header {
        border-bottom: none;
        padding-bottom: 0;
        margin-bottom: 0;
    }
    
    .serena-name {
        font-size: 0.875rem;
    }
    
    .serena-subtitle {
        display: none;
    }
    
    .audio-panel {
        flex: 1;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
        min-height: auto;
        max-height: none;
    }
    
    .audio-placeholder {
        display: none;
    }
    
    .audio-list {
        flex-direction: row;
        padding: var(--spacing-xs);
        gap: var(--spacing-sm);
    }
    
    .audio-item {
        flex-shrink: 0;
        min-width: 220px;
        padding: var(--spacing-sm);
    }
    
    .audio-item-header {
        margin-bottom: var(--spacing-xs);
    }
    
    .audio-item-name {
        font-size: 0.75rem;
    }
    
    .audio-item-time {
        font-size: 0.6rem;
    }
    
    .audio-item-label {
        display: none;
    }
    
    .audio-controls {
        padding-top: 0;
        border-top: none;
        margin-top: 0;
    }
    
    .prompt-sidebar {
        width: 100%;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .prompt-types {
        justify-content: center;
    }
    
    .prompt-type-btn {
        min-width: auto;
        flex: 0 1 auto;
    }
}

@media (max-width: 600px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .chat-messages {
        padding: var(--spacing-md);
    }
    
    .input-area {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .message {
        max-width: 90%;
    }
    
    .audio-sidebar {
        padding: var(--spacing-xs);
        height: auto;
        max-height: 120px;
    }
    
    .serena-avatar {
        width: 32px;
        height: 32px;
    }
    
    .serena-name {
        font-size: 0.8rem;
    }
    
    .audio-sidebar-header {
        padding: var(--spacing-xs);
    }
    
    .audio-panel {
        max-height: 80px;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        gap: var(--spacing-xs);
    }
    
    .audio-placeholder {
        display: none;
    }
    
    .audio-list {
        flex-direction: row;
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .audio-item {
        flex-shrink: 0;
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 200px;
    }
    
    .audio-item-header {
        margin-bottom: var(--spacing-xs);
    }
    
    .audio-item-avatar {
        width: 24px;
        height: 24px;
    }
    
    .audio-item-avatar svg {
        width: 14px;
        height: 14px;
    }
    
    .audio-item-name {
        font-size: 0.7rem;
    }
    
    .audio-item-time {
        display: none;
    }
    
    .audio-item-controls {
        justify-content: center;
    }
    
    .audio-item-label {
        display: none;
    }
    
    .audio-item-play {
        width: 32px;
        height: 32px;
    }
    
    .audio-item-play svg {
        width: 16px;
        height: 16px;
    }
    
    .prompt-sidebar {
        max-height: 250px;
    }
    
    .prompt-types {
        gap: var(--spacing-xs);
    }
    
    .prompt-type-btn {
        font-size: 0.7rem;
        padding: var(--spacing-xs);
    }
}