/* ============================================
   IA System - Estilos
   ============================================ */

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

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
}

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.login-box h1 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 8px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 18px;
    color: var(--primary);
}

.nav-menu {
    list-style: none;
    flex: 1;
    padding: 12px 0;
}

.nav-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-menu li a:hover,
.nav-menu li.active a {
    background: var(--bg-input);
    color: var(--text);
    border-left: 3px solid var(--primary);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.content {
    flex: 1;
    margin-left: 240px;
    padding: 24px;
}

/* Page Header */
.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
}

.card h3 {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-muted);
}

.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 24px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 24px; }

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 600;
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.form-control-sm {
    padding: 6px 10px;
    font-size: 13px;
}

.form-inline {
    display: flex;
    gap: 12px;
    align-items: center;
}

.form-inline .form-control {
    width: auto;
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    background: var(--bg-input);
    color: var(--text);
}

.btn:hover {
    background: var(--border);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

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

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* Chat */
.chat-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 0;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.chat-header h1 {
    font-size: 18px;
}

.chat-header select {
    width: auto;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.chat-empty {
    text-align: center;
    color: var(--text-muted);
    margin-top: 100px;
}

.message {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    max-width: 80%;
}

.message-user {
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.message-user .message-avatar {
    background: var(--primary);
}

.message-assistant .message-avatar {
    background: var(--success);
}

.message-content {
    background: var(--bg-card);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    line-height: 1.5;
    white-space: pre-wrap;
}

.message-user .message-content {
    background: var(--primary);
    border-color: var(--primary);
}

.message-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    padding-left: 48px;
}

.chat-input {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.chat-input form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-input textarea {
    flex: 1;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    resize: vertical;
    min-height: 80px;
    max-height: 300px;
    font-family: inherit;
    line-height: 1.5;
}

.chat-input textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Code */
code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

pre {
    background: var(--bg-dark);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

pre code {
    background: none;
    padding: 0;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

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

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* File Attachments */
.chat-attachments {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-dark);
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: 8px;
    font-size: 13px;
}

.attachment-icon {
    font-size: 16px;
}

.attachment-name {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-size {
    color: var(--text-muted);
    font-size: 11px;
}

.attachment-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    padding: 0 4px;
    line-height: 1;
}

.attachment-remove:hover {
    color: #ff6b6b;
}

.chat-input-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.btn-attach {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    padding: 0;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    flex-shrink: 0;
}

.btn-attach:hover {
    background: var(--bg-input);
    color: var(--primary);
}

.chat-input textarea {
    flex: 1;
    min-width: 0;
}

.chat-input .btn-primary {
    width: 44px;
    height: 44px;
    min-width: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-input.drag-over {
    background: rgba(99, 102, 241, 0.1);
    border: 2px dashed var(--primary);
}

/* Picker Screen (Nova Conversa) */
.picker-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding: 24px;
}

.picker-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.picker-box h1 {
    font-size: 24px;
    margin-bottom: 8px;
    text-align: center;
}

.picker-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 14px;
}

.picker-current-ws {
    background: var(--bg-input);
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.picker-ws-label {
    color: var(--text-muted);
    font-size: 13px;
}

.picker-current-ws small {
    color: var(--text-muted);
    font-size: 12px;
    display: block;
    width: 100%;
}

.picker-section {
    margin-bottom: 28px;
}

.picker-section h3 {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.picker-ws-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.picker-ws-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-input);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.picker-ws-item:hover {
    border-color: var(--primary);
}

.picker-ws-item.active {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.08);
}

.picker-folder-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.picker-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--bg-input);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    font-size: 14px;
}

.picker-folder-item:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.folder-icon {
    font-size: 20px;
}

.picker-empty {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    padding: 20px;
    background: var(--bg-input);
    border-radius: 10px;
}

.picker-create-form {
    display: flex;
    gap: 10px;
}

.picker-create-form .form-control {
    flex: 1;
    padding: 10px 14px;
}

.picker-actions {
    text-align: center;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

/* Tool Calls Info */
.tool-calls-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    font-size: 12px;
    color: var(--primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.tool-icon {
    font-size: 14px;
}

/* Code Blocks in Messages */
.message-content pre {
    background: var(--bg-dark);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: 13px;
}

.message-content code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Markdown in Messages */
.message-content h1, .message-content h2, .message-content h3 {
    margin-top: 16px;
    margin-bottom: 8px;
}

.message-content ul, .message-content ol {
    margin-left: 20px;
    margin-bottom: 8px;
}

.message-content blockquote {
    border-left: 3px solid var(--primary);
    padding-left: 12px;
    margin: 8px 0;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .layout {
        flex-direction: column;
    }
    
    .message {
        max-width: 95%;
    }
    
    .picker-folder-list {
        grid-template-columns: 1fr;
    }
}

/* ===== Arquivos gerados pela IA ===== */
.files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.file-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: var(--surface, #1a1a2e);
    border: 1px solid var(--border, #333);
    border-radius: 8px;
    padding: 8px 12px;
    flex-wrap: wrap;
}

.file-card-info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.file-icon {
    font-size: 16px;
}

.file-name {
    font-family: monospace;
    font-size: 13px;
    word-break: break-all;
}

.file-size {
    color: #888;
    font-size: 11px;
}

.file-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.file-btn {
    background: var(--accent, #6c63ff);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity .15s;
}

.file-btn:hover { opacity: .85; }

/* Modal de visualização */
.file-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.file-modal-box {
    background: #0f0f1a;
    border: 1px solid var(--border, #333);
    border-radius: 10px;
    width: min(900px, 95vw);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.file-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border, #333);
    font-size: 14px;
    font-weight: 600;
}

.file-modal-close {
    background: none;
    border: none;
    color: #aaa;
    font-size: 16px;
    cursor: pointer;
}

.file-modal-close:hover { color: #fff; }

.file-modal-pre {
    margin: 0;
    padding: 14px;
    overflow: auto;
    background: #16162a;
    font-family: Consolas, monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    color: #e6e6e6;
}