/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --sidebar-width: 260px;
}

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

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-color);
    background-color: var(--bg-tertiary);
}

.nav-item .icon {
    font-size: 1.25rem;
}

.sidebar-agents {
    flex: 1;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: calc(100% - var(--sidebar-width));
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    margin-right: 1rem;
}

.back-link:hover {
    color: var(--text-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-color);
}

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

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-circle {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    color: var(--text-color);
    font-size: 1.25rem;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Agent Cards */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.agent-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.2s;
}

.agent-card:hover {
    border-color: var(--primary-color);
}

.agent-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.agent-type {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    background-color: var(--bg-tertiary);
}

.agent-type.claudecode { background-color: #854d0e; }
.agent-type.codex { background-color: #166534; }
.agent-type.gemini { background-color: #1e40af; }

.agent-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.agent-status.running { background-color: var(--success-color); color: white; }
.agent-status.stopped { background-color: var(--bg-tertiary); }
.agent-status.error { background-color: var(--danger-color); color: white; }

.agent-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.agent-directory {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: monospace;
    margin-bottom: 1rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.agent-card-actions {
    display: flex;
    gap: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Forms */
.form-container {
    max-width: 500px;
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.875rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: 1.25rem;
    height: 1.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group input {
    flex: 1;
}

/* Settings */
.settings-container {
    max-width: 700px;
}

.settings-section {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.settings-section h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.key-status {
    display: inline-block;
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.status-success { color: var(--success-color); }
.status-warning { color: var(--warning-color); }
.status-error { color: var(--danger-color); }
.status-info { color: var(--info-color); }

/* Chat Interface */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 4rem);
    max-width: 900px;
    margin: 0 auto;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chat-header-info h2 {
    font-size: 1.25rem;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mode-select {
    padding: 0.5rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-color);
    font-size: 0.875rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    background-color: var(--bg-tertiary);
}

.status-badge.status-success { background-color: var(--success-color); }
.status-badge.status-warning { background-color: var(--warning-color); color: #000; }
.status-badge.status-error { background-color: var(--danger-color); }
.status-badge.status-info { background-color: var(--info-color); }

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
}

.welcome-message {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.welcome-message h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.message {
    margin-bottom: 1rem;
    max-width: 80%;
}

.message-user {
    margin-left: auto;
}

.message-user .message-content {
    background-color: var(--primary-color);
    border-radius: 1rem 1rem 0.25rem 1rem;
    padding: 0.75rem 1rem;
}

.message-assistant {
    margin-right: auto;
}

.message-assistant .message-content {
    background-color: var(--bg-tertiary);
    border-radius: 1rem 1rem 1rem 0.25rem;
    padding: 0.75rem 1rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-error .message-content {
    background-color: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.tool-call {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-icon {
    font-size: 1rem;
}

.tool-name {
    font-weight: 500;
    flex: 1;
}

.tool-status {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    background-color: var(--bg-tertiary);
}

.tool-status.status-running { background-color: var(--info-color); }
.tool-status.status-completed { background-color: var(--success-color); }
.tool-status.status-failed { background-color: var(--danger-color); }

/* Permission Dialog */
.permission-dialog {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.permission-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
}

.permission-content h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.permission-content pre {
    background-color: var(--bg-color);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-size: 0.875rem;
    margin: 1rem 0;
    max-height: 200px;
    overflow-y: auto;
}

.permission-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Chat Input */
.chat-input-container {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.voice-controls {
    flex-shrink: 0;
}

.chat-form {
    flex: 1;
    display: flex;
    gap: 0.5rem;
    background-color: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: 0.75rem;
}

.chat-form textarea {
    flex: 1;
    resize: none;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: 0.875rem;
    padding: 0.5rem;
    max-height: 150px;
}

.chat-form textarea:focus {
    outline: none;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: 1rem;
    }

    .app-container {
        flex-direction: column;
    }

    .agents-grid {
        grid-template-columns: 1fr;
    }

    .message {
        max-width: 90%;
    }
}