/* Surgical Robot Control Interface Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --border-color: #dee2e6;
    --text-color: #333;
    --text-muted: #6c757d;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: #5a6fd8;
    transform: translateY(-1px);
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-1px);
}

.btn-warning {
    background: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover:not(:disabled) {
    background: #e0a800;
    transform: translateY(-1px);
}

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

.btn-danger:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover:not(:disabled) {
    background: white;
    color: var(--primary-color);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* Main Content */
.main {
    padding: 2rem 0;
}

/* Status Bar */
.status-bar {
    display: flex;
    gap: 2rem;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.status-item i {
    color: var(--primary-color);
}

/* Control Interface */
.control-interface {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.left-panel, .right-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Camera Section */
.camera-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
}

.camera-controls {
    display: flex;
    gap: 0.5rem;
}

.camera-container {
    position: relative;
    background: #000;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.camera-feed {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hand-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.camera-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.hand-count, .tracking-status {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
}

.hand-count i {
    color: var(--warning-color);
    margin-right: 0.5rem;
}

.hand-tracking-info {
    padding: 1rem;
}

.hand-tracking-info h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.landmark-display {
    background: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    max-height: 200px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.8rem;
}

.tracking-controls {
    display: flex;
    gap: 0.5rem;
}

/* Robot Section */
.robot-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.connection-form {
    padding: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.connection-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.connection-status {
    padding: 1rem;
    background: var(--light-color);
    border-top: 1px solid var(--border-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--danger-color);
}

.status-dot.connected {
    background: var(--success-color);
}

.status-dot.connecting {
    background: var(--warning-color);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.connection-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ROS Section */
.ros-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.topic-list {
    padding: 1rem;
}

.topic-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.topic-item:last-child {
    border-bottom: none;
}

.topic-name {
    font-family: monospace;
    font-weight: 500;
    color: var(--primary-color);
}

.topic-status {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Control Section */
.control-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.control-panel {
    padding: 1rem;
}

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

.control-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-color);
}

.joystick-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.joystick {
    width: 120px;
    height: 120px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    background: var(--light-color);
    cursor: pointer;
}

.joystick-stick {
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition);
}

.joystick-labels {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    width: 200px;
    height: 80px;
    position: relative;
}

.joystick-labels span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
}

.label-up { grid-area: 1 / 2 / 2 / 3; }
.label-down { grid-area: 3 / 2 / 4 / 3; }
.label-left { grid-area: 2 / 1 / 3 / 2; }
.label-right { grid-area: 2 / 3 / 3 / 4; }

.precision-controls {
    display: flex;
    gap: 0.5rem;
}

/* Bottom Panel */
.bottom-panel {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.log-container {
    padding: 1rem;
}

.log-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.log-tab {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    color: var(--text-muted);
}

.log-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.log-tab:hover {
    color: var(--text-color);
}

.log-content {
    max-height: 300px;
    overflow-y: auto;
}

.log-panel {
    display: none;
}

.log-panel.active {
    display: block;
}

.log-entry {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--light-color);
    font-family: monospace;
    font-size: 0.8rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.info .level {
    color: var(--info-color);
}

.log-entry.warning .level {
    color: var(--warning-color);
}

.log-entry.error .level {
    color: var(--danger-color);
}

.timestamp {
    color: var(--text-muted);
    min-width: 80px;
}

.level {
    font-weight: bold;
    min-width: 60px;
}

.message {
    flex: 1;
}

.log-controls {
    display: flex;
    gap: 0.5rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 1rem;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Settings */
.settings-section {
    margin-bottom: 2rem;
}

.settings-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 0.5rem;
}

/* VM List */
.vm-list {
    max-height: 400px;
    overflow-y: auto;
}

.vm-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.vm-item:hover {
    border-color: var(--primary-color);
    background: var(--light-color);
}

.vm-item.selected {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.vm-info h4 {
    margin: 0;
    color: var(--text-color);
}

.vm-info p {
    margin: 0.25rem 0 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.vm-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vm-status .status-dot {
    width: 8px;
    height: 8px;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .control-interface {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .status-bar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        justify-content: center;
    }
    
    .camera-overlay {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .connection-actions {
        flex-direction: column;
    }
    
    .joystick {
        width: 100px;
        height: 100px;
    }
    
    .joystick-labels {
        width: 150px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 1rem 0;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .camera-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .tracking-controls {
        flex-direction: column;
    }
}

/* Tier Information Display */
.tier-info-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: white;
}

.tier-info-display i {
    color: var(--warning-color);
}

.training-mode-badge {
    background: var(--warning-color);
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

/* Access Control Messages */
.access-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.access-message-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    max-width: 600px;
    text-align: center;
}

.access-message.denied .access-message-content {
    border-left: 5px solid var(--danger-color);
}

.access-message.granted .access-message-content {
    border-left: 5px solid var(--success-color);
}

.access-message i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.access-message.denied i {
    color: var(--danger-color);
}

.access-message.granted i {
    color: var(--success-color);
}

.access-message h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.access-message p {
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.access-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tier-info {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
    text-align: left;
}

.tier-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.tier-info ul {
    list-style: none;
    padding: 0;
}

.tier-info li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 1.5rem;
}

.tier-info li:before {
    content: '✅';
    position: absolute;
    left: 0;
    top: 0.5rem;
}

.tier-info li:last-child {
    border-bottom: none;
}

.restrictions {
    background: #fff3cd;
    border: 1px solid var(--warning-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
    text-align: left;
}

.restrictions h4 {
    color: var(--warning-color);
    margin-bottom: 1rem;
    text-align: center;
}

.restrictions ul {
    list-style: none;
    padding: 0;
}

.restrictions li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ffeaa7;
    position: relative;
    padding-left: 1.5rem;
}

.restrictions li:before {
    content: '⚠️';
    position: absolute;
    left: 0;
    top: 0.5rem;
}

.restrictions li:last-child {
    border-bottom: none;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

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

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

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