/* ═══════════ VARIABLES ═══════════ */
:root {
    --bg-primary: #0f0f13;
    --bg-secondary: #16161d;
    --bg-tertiary: #1e1e28;
    --bg-elevated: #252532;
    --bg-hover: #2a2a3a;
    --border: #2e2e3e;
    --border-light: #383848;
    --text-primary: #e4e4ef;
    --text-secondary: #9090a8;
    --text-muted: #606078;
    --accent: #6366f1;
    --accent-hover: #5558e6;
    --accent-bg: rgba(99, 102, 241, 0.12);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --topbar-h: 56px;
    --sidebar-w: 220px;
    --font: 'Inter', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --transition: 0.2s ease;
}

/* ═══════════ RESET ═══════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* ═══════════ SCREENS ═══════════ */
.screen { width: 100%; height: 100%; }
.hidden { display: none !important; }

/* ═══════════ LOGIN ═══════════ */
.login-container {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
}
.login-logo {
    text-align: center;
    margin-bottom: 40px;
}
.logo-icon {
    width: 72px; height: 72px;
    background: var(--accent-bg);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--accent);
}
.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}
.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    outline: none;
    transition: border var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
}
.form-check {
    margin-bottom: 20px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    user-select: none;
}
.checkbox-label input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}
.error-msg {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--error);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-top: 12px;
}

/* ═══════════ BUTTONS ═══════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--error); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ═══════════ TOP BAR ═══════════ */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-h);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    z-index: 100;
    gap: 12px;
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
}
.topbar-brand svg { color: var(--accent); }
.topbar-center { flex: 1; display: flex; justify-content: center; }
.project-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition);
    max-width: 240px;
}
.project-selector:hover { border-color: var(--accent); color: var(--text-primary); }
.project-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}
#current-project-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.topbar-right { position: relative; }
.user-menu { cursor: pointer; }
.avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 13px;
}
.user-dropdown {
    position: absolute;
    top: 44px;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 180px;
    z-index: 200;
    overflow: hidden;
}
.dropdown-header {
    padding: 12px 16px;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.user-dropdown a {
    display: block;
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 13px;
    transition: background var(--transition);
}
.user-dropdown a:hover { background: var(--bg-hover); }

/* ═══════════ SIDEBAR ═══════════ */
.sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 90;
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.sidebar.collapsed {
    transform: translateX(-100%);
}
.sidebar.collapsed + .main-content,
.main-content.sidebar-collapsed {
    left: 0;
}
.sidebar-nav {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-bg); color: var(--accent); }
.nav-item svg { flex-shrink: 0; }
.badge {
    margin-left: auto;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ═══════════ MAIN CONTENT ═══════════ */
.main-content {
    position: fixed;
    top: var(--topbar-h);
    left: var(--sidebar-w);
    right: 0;
    bottom: 0;
    transition: left 0.3s ease;
    overflow: hidden;
}
.view {
    display: none;
    height: 100%;
    overflow-y: auto;
}
.view.active { display: flex; flex-direction: column; }
.view-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}
.view-header h2 {
    font-size: 18px;
    font-weight: 600;
}

/* ═══════════ WORKSPACE ═══════════ */
.mobile-tabs {
    display: none;
    padding: 8px;
    gap: 4px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.tab-btn {
    flex: 1;
    padding: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}
.tab-btn.active {
    background: var(--accent-bg);
    color: var(--accent);
}
.workspace-split {
    display: flex;
    flex: 1;
    overflow: hidden;
}
.panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.prompt-panel {
    width: 35%;
    min-width: 300px;
    max-width: 420px;
    border-right: 1px solid var(--border);
}
.terminal-panel {
    flex: 1;
    min-width: 0;
}
.panel-header {
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 12px;
}
.panel-header h2 {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}
.model-selector select {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
}
.prompt-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
/* Preview link */
.preview-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--accent-bg);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
    text-decoration: none;
}
.preview-link:hover {
    background: rgba(99, 102, 241, 0.18);
    border-color: var(--accent);
}
.preview-link svg { flex-shrink: 0; }

.dir-selector label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    display: block;
}
.dir-input {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    font-family: var(--mono);
    transition: border var(--transition);
}
.dir-input:hover { border-color: var(--accent); }
.prompt-area {
    flex: 1;
}
.prompt-area textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border var(--transition);
}
.prompt-area textarea:focus {
    border-color: var(--accent);
}
.attachments-area { display: flex; flex-direction: column; gap: 8px; }
.attachment-list { display: flex; flex-wrap: wrap; gap: 8px; }
.attachment-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-secondary);
}
.attachment-item .remove-att {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1;
}
.attachment-item .remove-att:hover { color: var(--error); }
.attach-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
    align-self: flex-start;
}
.attach-btn:hover { border-color: var(--accent); color: var(--accent); }
.panel-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

/* ═══════════ TERMINAL ═══════════ */
.terminal-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.terminal-status {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
}
.terminal-status.running {
    color: var(--success);
}
.terminal-status.running::before {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--success);
    margin-right: 6px;
    animation: pulse 1.5s infinite;
}
.terminal-status.warning {
    color: #f59e0b;
    font-weight: 600;
}
.terminal-status.warning::before {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #f59e0b;
    margin-right: 6px;
    animation: pulse 0.8s infinite;
}
.terminal-status.timeout {
    color: #ef4444;
    font-weight: 700;
}
.terminal-status.timeout::before {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #ef4444;
    margin-right: 6px;
    animation: pulse 0.5s infinite;
}
.extend-time-control {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: 8px;
}
.extend-time-control.hidden {
    display: none !important;
}
.extend-time-input {
    width: 42px;
    padding: 2px 4px;
    font-size: 12px;
    font-family: inherit;
    text-align: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px 0 0 3px;
    outline: none;
    -moz-appearance: textfield;
}
.extend-time-input::-webkit-inner-spin-button,
.extend-time-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.extend-time-input:focus {
    border-color: var(--accent);
}
.btn-extend-time {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 3px 3px 0;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-extend-time:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
    border-color: var(--accent);
}
.btn-extend-time:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.terminal-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}
#question-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}
.qbtn {
    padding: 4px 10px;
    background: var(--accent-bg);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.qbtn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.terminal-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #0d0d0d;
    min-height: 0;
}
.terminal-placeholder {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-muted);
}
.terminal-placeholder svg { margin-bottom: 12px; opacity: 0.3; }
.terminal-placeholder p { font-size: 13px; }
.terminal-container .xterm {
    height: 100%;
    padding: 8px;
}
/* Scrollbar do xterm.js */
.terminal-container .xterm-viewport {
    overflow-y: auto !important;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.25) transparent;
}
.terminal-container .xterm-viewport::-webkit-scrollbar { width: 10px; }
.terminal-container .xterm-viewport::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); }
.terminal-container .xterm-viewport::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 5px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.terminal-container .xterm-viewport::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.35);
    border: 2px solid transparent;
    background-clip: padding-box;
}

/* ═══════════ FULLSCREEN TERMINAL ═══════════ */
.terminal-panel.fullscreen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    background: var(--bg-primary);
    width: 100% !important;
    max-width: none !important;
    border: none !important;
}
.terminal-panel.fullscreen .panel-header {
    background: var(--bg-secondary);
    padding: 10px 20px;
}
.terminal-panel.fullscreen .terminal-container {
    height: calc(100vh - 50px - 42px);
}
.terminal-panel.fullscreen #btn-fullscreen { display: none; }

/* Botão "Sair (ESC)" — só visível em fullscreen */
.btn-exit-fs {
    display: none !important;
}
.terminal-panel.fullscreen .btn-exit-fs {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    background: var(--error);
    color: #fff;
    border: none;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.terminal-panel.fullscreen .btn-exit-fs:hover {
    opacity: 0.85;
}
.terminal-input-bar {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.terminal-input-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.terminal-input-bar input[type="text"] {
    flex: 1;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--mono);
    font-size: 13px;
    outline: none;
}
.terminal-input-bar input[type="text"]:focus { border-color: var(--accent); }
.terminal-attach-btn {
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.15s;
    flex-shrink: 0;
}
.terminal-attach-btn:hover { color: var(--accent); }
.terminal-input-attachments:empty { display: none; }
.terminal-input-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.terminal-input-attachments .ti-file {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-secondary);
}
.terminal-input-attachments .ti-file .ti-remove {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1;
}
.terminal-input-attachments .ti-file .ti-remove:hover { color: var(--error); }

/* ═══════════ SESSIONS LIST ═══════════ */
.session-list, .project-list, .history-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}
.session-card, .project-card, .history-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 12px;
    transition: border var(--transition);
    cursor: pointer;
}
.session-card:hover, .project-card:hover, .history-card:hover {
    border-color: var(--border-light);
}
.session-card-header, .project-card-header, .history-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.session-card-title, .project-card-title {
    font-weight: 600;
    font-size: 14px;
}
.session-card-meta, .project-card-meta, .history-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
}
.session-card-prompt {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: var(--mono);
    line-height: 1.5;
}
.session-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.status-running { background: rgba(16,185,129,0.12); color: var(--success); }
.status-success { background: rgba(59,130,246,0.12); color: var(--info); }
.status-error { background: rgba(239,68,68,0.12); color: var(--error); }
.status-cancelled { background: rgba(96,96,120,0.12); color: var(--text-muted); }
.status-completed { background: rgba(96,96,120,0.12); color: var(--text-secondary); }

/* ═══════════ PROJECT CARDS ═══════════ */
.project-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.project-card-color {
    width: 4px;
    border-radius: 4px;
    align-self: stretch;
    flex-shrink: 0;
}
.project-card-body { flex: 1; min-width: 0; }
.project-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}
.project-card-path {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--mono);
    margin-top: 4px;
}
.project-card-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--accent);
    transition: all var(--transition);
}
.project-link:hover { border-color: var(--accent); background: var(--accent-bg); }

/* Project modal items */
.project-modal-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}
.project-modal-item:hover { background: var(--bg-hover); }
.project-modal-item.active { background: var(--accent-bg); }
.project-modal-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.project-modal-info { flex: 1; }
.project-modal-name { font-weight: 500; font-size: 14px; }
.project-modal-path { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }

/* ═══════════ FILE BROWSER ═══════════ */
.filebrowser-path {
    padding: 8px 20px;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--accent);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}
.filebrowser-body {
    max-height: 400px;
    overflow-y: auto;
}
.filebrowser-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background var(--transition);
    font-size: 14px;
}
.filebrowser-item:hover { background: var(--bg-hover); }
.filebrowser-item svg { flex-shrink: 0; color: var(--text-muted); }
.filebrowser-item.is-dir svg { color: var(--warning); }
.filebrowser-item .fb-name { flex: 1; }
.filebrowser-item .fb-meta { font-size: 12px; color: var(--text-muted); }

/* ═══════════ MODALS ═══════════ */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1000;
}
#modal-filebrowser {
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.modal-backdrop {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}
.modal-content {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.2s ease;
}
.modal-lg { max-width: 640px; }
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

/* ═══════════ COLOR OPTIONS ═══════════ */
.color-options { display: flex; gap: 8px; flex-wrap: wrap; }
.color-opt {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}
.color-opt:hover { transform: scale(1.15); }
.color-opt.active { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }

/* ═══════════ SETTINGS ═══════════ */
.settings-content { padding: 24px; max-width: 500px; }
.settings-section {
    margin-bottom: 32px;
}
.settings-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.settings-field {
    margin-bottom: 14px;
}
.settings-field label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.settings-field input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    outline: none;
}
.settings-field input:disabled {
    opacity: 0.6;
}
.settings-field input[type="number"] {
    max-width: 120px;
}
.field-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* ═══════════ USAGE / CONSUMO ═══════════ */
.usage-content { padding: 20px; max-width: 900px; }
.usage-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.usage-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}
.usage-card-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.usage-card-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}
.usage-card-value.accent { color: var(--accent); }

/* Weekly usage */
.weekly-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(99,102,241,0.15);
    color: var(--accent);
}
.model-limit-bar {
    margin-bottom: 12px;
}
.model-limit-bar .bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
    color: var(--text-secondary);
}
.model-limit-bar .bar-label strong {
    color: var(--text-primary);
}
.model-limit-bar .bar-track {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}
.model-limit-bar .bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}
.model-limit-bar .bar-fill.green { background: #10b981; }
.model-limit-bar .bar-fill.yellow { background: #f59e0b; }
.model-limit-bar .bar-fill.red { background: #ef4444; }
.model-limit-bar .bar-pct {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
    text-align: right;
}

.usage-section { margin-bottom: 24px; }
.usage-section h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.usage-table-wrap { overflow-x: auto; }
.usage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.usage-table th {
    text-align: left;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
.usage-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}
.usage-table td:not(:first-child) {
    font-family: 'JetBrains Mono', monospace;
    text-align: right;
    font-size: 12px;
}
.usage-table th:not(:first-child) { text-align: right; }
.usage-table tr:hover td { background: var(--bg-hover); }
.usage-table.pricing td { color: var(--text-secondary); }

/* ═══════════ EMPTY STATE ═══════════ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state p { font-size: 14px; }

/* ═══════════ FILTER BAR ═══════════ */
.filter-bar select {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}

/* ═══════════ SESSION INFO BAR ═══════════ */
.session-info-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    flex-shrink: 0;
}
.session-info-left {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    min-width: 0;
}
.session-info-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.session-info-dot.active {
    background: var(--success);
    animation: pulse 1.5s infinite;
}
.session-preview-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--accent);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.session-preview-btn:hover {
    background: var(--accent-bg);
}

.session-info-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Cost indicator */
.cost-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--success);
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.1);
    transition: color 0.3s, background 0.3s;
}
.cost-indicator svg { opacity: 0.7; }
.cost-indicator.cost-medium {
    color: var(--warning, #f59e0b);
    background: rgba(245, 158, 11, 0.1);
}
.cost-indicator.cost-high {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

/* Context meter */
.context-meter {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-secondary);
}
.context-meter-bar {
    width: 60px;
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
}
.context-meter-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--success);
    transition: width 0.5s, background 0.5s;
    width: 0%;
}
.context-meter-fill.warning { background: var(--warning, #f59e0b); }
.context-meter-fill.critical { background: var(--error); }

/* Prompt history */
.prompt-history {
    border-bottom: 1px solid var(--border);
}
.prompt-history-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 20px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}
.prompt-history-toggle:hover { background: var(--bg-hover); }
.prompt-count {
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}
.prompt-history-chevron {
    margin-left: auto;
    transition: transform 0.2s;
}
.prompt-history.expanded .prompt-history-chevron {
    transform: rotate(180deg);
}
.prompt-history-list {
    max-height: 200px;
    overflow-y: auto;
    padding: 0 20px 8px;
}
.prompt-history-item {
    display: flex;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
}
.prompt-history-item:last-child { border-bottom: none; }
.prompt-history-item .ph-time {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 45px;
}
.prompt-history-item .ph-type {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
    flex-shrink: 0;
    font-weight: 500;
}
.prompt-history-item .ph-type.initial {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
}
.prompt-history-item .ph-type.followup {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}
.prompt-history-item .ph-text {
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.prompt-history-item .ph-files {
    color: var(--text-muted);
    font-size: 11px;
    flex-shrink: 0;
}

.project-info-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px;
    background: var(--accent-bg);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--accent);
    flex-shrink: 0;
}
.project-info-bar svg { opacity: 0.7; stroke: var(--accent); }
#project-info-name { font-weight: 600; }
.project-info-sep { opacity: 0.3; }
.project-info-path { color: var(--text-secondary); font-family: 'JetBrains Mono', monospace; font-size: 11px; }

/* ═══════════ NEW SESSION MODAL ═══════════ */
.new-session-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
    margin-bottom: 4px;
}
.new-session-item:hover {
    background: var(--bg-hover);
}
.new-session-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.new-session-info {
    flex: 1;
    min-width: 0;
}
.new-session-name {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}
.new-session-path {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--mono);
}

/* ═══════════ HIDE MOBILE ═══════════ */
@media (max-width: 480px) {
    .hide-mobile { display: none !important; }
}

/* ═══════════ ANIMATIONS ═══════════ */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading::after {
    content: '';
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}

/* ═══════════ TOAST ═══════════ */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-size: 13px;
    animation: modalIn 0.3s ease;
    max-width: 320px;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); color: var(--error); }

/* ═══════════ SCROLLBAR ═══════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ═══════════ ADMIN CARDS ═══════════ */
.admin-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 10px;
}
.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.admin-card-body {
    margin-top: 10px;
}
.admin-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 12px;
    color: var(--text-muted);
}
.admin-card-meta code {
    font-size: 11px;
    background: var(--bg-tertiary);
    padding: 1px 4px;
    border-radius: 3px;
}
.avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}
.nav-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 12px;
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow);
    }
    .main-content {
        left: 0;
    }
    .topbar-brand span { display: none; }
    .mobile-tabs {
        display: flex;
    }
    .workspace-split {
        flex-direction: column;
    }
    .prompt-panel {
        width: 100%;
        min-width: 0;
        max-width: none;
        border-right: none;
    }
    .terminal-panel {
        display: none;
    }
    .prompt-panel.hidden-mobile { display: none; }
    .terminal-panel.visible-mobile {
        display: flex;
        flex: 1;
    }
    /* No mobile, terminal ocupa tudo quando visível */
    .terminal-panel.visible-mobile .terminal-container {
        min-height: calc(100vh - var(--topbar-h) - 42px - 50px - 42px);
    }
    .session-list, .project-list, .history-list {
        padding: 12px 16px;
    }
    .view-header {
        padding: 14px 16px;
    }
    .settings-content {
        padding: 16px;
    }
    .project-selector {
        max-width: 160px;
    }
    /* Botões de pergunta em wrap no mobile */
    #question-buttons {
        max-width: 50vw;
    }
    .qbtn {
        font-size: 11px;
        padding: 3px 8px;
        max-width: 140px;
    }
    .terminal-panel .panel-header {
        padding: 8px 12px;
    }
    .terminal-input-bar {
        padding: 6px 8px;
    }
    /* Scrollbar visível e touch-friendly no mobile */
    .terminal-container .xterm-viewport {
        -webkit-overflow-scrolling: touch;
    }
    .terminal-container .xterm-viewport::-webkit-scrollbar {
        width: 16px;
    }
    .terminal-container .xterm-viewport::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.4);
        border-radius: 8px;
        border: 3px solid transparent;
        background-clip: content-box;
    }
    .terminal-container .xterm-viewport::-webkit-scrollbar-thumb:hover {
        background: rgba(255,255,255,0.55);
        border: 3px solid transparent;
        background-clip: content-box;
    }
    .terminal-container .xterm-viewport::-webkit-scrollbar-track {
        background: rgba(255,255,255,0.06);
    }
    .terminal-container {
        touch-action: pan-y;
    }
    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
    .toast { max-width: 100%; }
}

@media (max-width: 480px) {
    .prompt-panel .panel-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    /* Terminal header compacto em telas pequenas */
    .terminal-panel .panel-header h2 {
        font-size: 13px;
    }
    .terminal-status {
        font-size: 11px;
    }
}