/* VM Container */
.vm-container {
    width: 100vw;
    height: 100vh;
    background: #0a0a0a;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
}

/* Fullscreen Button */
.fullscreen-btn {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid #00ff41;
    color: #00ff41;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.3);
}

.fullscreen-btn:hover {
    background: rgba(0, 255, 65, 0.2);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 255, 65, 0.5);
}

.fullscreen-btn:active {
    transform: scale(0.95);
}

/* Fullscreen Mode */
.vm-container.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9998 !important;
    background: #0a0a0a !important;
}

.vm-container.fullscreen .desktop {
    height: 100vh !important;
    padding: 0 !important;
}

.vm-container.fullscreen .taskbar {
    height: 35px !important;
    padding: 0 8px !important;
}

.vm-container.fullscreen .app-window {
    width: 100% !important;
    height: calc(100vh - 35px) !important;
    top: 0 !important;
    left: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.vm-container.fullscreen .course-shortcuts {
    display: none !important;
}

.vm-container.fullscreen .desktop-icons {
    display: none !important;
}

.vm-container.fullscreen .fullscreen-btn {
    top: 5px !important;
    right: 5px !important;
    z-index: 10000 !important;
    width: 40px !important;
    height: 40px !important;
    font-size: 16px !important;
}

.vm-container.fullscreen .logo {
    font-size: 12px !important;
    padding: 4px 8px !important;
}

.vm-container.fullscreen .app-icon {
    width: 28px !important;
    height: 28px !important;
    font-size: 14px !important;
}

.vm-container.fullscreen .system-tray {
    font-size: 11px !important;
}

.vm-container.fullscreen .course-indicator {
    font-size: 10px !important;
    padding: 2px 6px !important;
}

@media (max-width: 768px) {
    .fullscreen-btn {
        width: 45px;
        height: 45px;
        font-size: 16px;
        top: 10px;
        right: 10px;
    }
}

/* Desktop - Ubuntu Style */
.desktop {
    flex: 1;
    background: linear-gradient(135deg, #4a148c 0%, #6a1b9a 50%, #8e24aa 100%);
    position: relative;
    overflow: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 40px);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.desktop::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    z-index: 0;
}

/* Desktop Icons */
.desktop-icons {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 80px);
    gap: 15px;
}

.desktop-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.9);
    width: 70px;
    height: 70px;
    justify-content: center;
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.desktop-icon:active {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(0.95);
}

.desktop-icon i {
    font-size: 28px;
    margin-bottom: 4px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.desktop-icon span {
    font-size: 11px;
    text-align: center;
    font-weight: 500;
    line-height: 1.2;
}

/* Linux Applications Panel - Ubuntu Style */
.course-shortcuts {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 40px;
    width: 64px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 0;
    color: white;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transition: width 0.3s ease;
}

.course-shortcuts:hover {
    width: 200px;
}

.course-shortcuts:hover .course-shortcut span {
    opacity: 1;
    transform: translateX(0);
}

.course-shortcuts h4 {
    display: none;
}

.course-shortcut {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 48px;
    height: 48px;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 20px;
    margin-bottom: 4px;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.course-shortcut span {
    position: absolute;
    left: 60px;
    white-space: nowrap;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.9);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.course-shortcut:hover {
    background: rgba(52, 152, 219, 0.3);
    border-left: 3px solid #3498db;
    padding-left: 5px;
}

.course-shortcut.active {
    background: rgba(52, 152, 219, 0.4);
    border-left: 3px solid #3498db;
    padding-left: 5px;
    color: #ecf0f1;
}

/* Taskbar - Linux Ubuntu Style */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, #3c3c3c 0%, #2c2c2c 100%);
    border-top: 1px solid #555;
    display: flex;
    align-items: center;
    padding: 0 12px;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
}

.start-menu {
    display: flex;
    align-items: center;
}

.logo {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 4px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
    transition: all 0.2s;
}

.logo:hover {
    background: linear-gradient(45deg, #c0392b, #a93226);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}

.taskbar-apps {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 4px;
    margin: 0 20px;
}

.app-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, #5a5a5a, #4a4a4a);
    border: 1px solid #666;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s;
    color: #ddd;
    font-size: 16px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}

.app-icon:hover {
    background: linear-gradient(to bottom, #6a6a6a, #5a5a5a);
    border-color: #777;
    color: #fff;
}

.app-icon.active {
    background: linear-gradient(to bottom, #3498db, #2980b9);
    border-color: #2980b9;
    color: white;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 0 5px rgba(52, 152, 219, 0.5);
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ddd;
    font-size: 12px;
}

.course-indicator {
    background: linear-gradient(to bottom, #34495e, #2c3e50);
    border: 1px solid #555;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
    color: #ecf0f1;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    transition: all 0.2s;
}

.course-indicator:hover {
    background: linear-gradient(to bottom, #3498db, #2980b9);
    border-color: #2980b9;
}

.user-menu {
    position: relative;
    cursor: pointer;
}

.user-avatar {
    width: 24px;
    height: 24px;
    background: linear-gradient(45deg, #e67e22, #d35400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 11px;
    border: 1px solid #555;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.user-dropdown {
    position: absolute;
    top: 40px;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid #00ff41;
    border-radius: 8px;
    padding: 10px;
    min-width: 200px;
    display: none;
    z-index: 3000;
    backdrop-filter: blur(10px);
}

.user-dropdown.show {
    display: block;
}

.user-info-compact {
    padding: 10px;
    border-bottom: 1px solid #333;
    margin-bottom: 10px;
}

.user-info-compact h4 {
    color: #00ff41;
    font-size: 14px;
    margin: 0;
}

.user-stats-compact {
    display: flex;
    gap: 15px;
    margin: 5px 0;
}

.stat-compact {
    text-align: center;
}

.stat-compact .value {
    color: #00ff41;
    font-weight: bold;
    font-size: 12px;
}

.stat-compact .label {
    color: #888;
    font-size: 10px;
}

.user-actions-compact {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.action-btn-compact {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    color: #ccc;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
    text-align: left;
}

.action-btn-compact:hover {
    border-color: #00ff41;
    color: #00ff41;
}

.logout-btn {
    border-color: #dc3545 !important;
    color: #dc3545 !important;
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.1) !important;
}

@media (max-width: 768px) {
    .user-menu {
        display: none !important;
    }
}

/* Applications */
.applications {
    position: relative;
    flex: 1;
    z-index: 2;
    margin-left: 64px;
}

.app-window {
    position: absolute;
    top: 50px;
    left: 50px;
    width: 80%;
    height: 70%;
    background: #1a1a1a;
    border: 2px solid #00ff41;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 255, 65, 0.3);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 100;
}

.app-window.active {
    display: flex !important;
    z-index: 200;
}

.window-header {
    height: 40px;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid #00ff41;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.control.minimize { background: #ffbd2e; }
.control.maximize { background: #28ca42; }
.control.close { background: #ff5f56; }

.window-title {
    font-weight: bold;
    color: #00ff41;
    font-size: 14px;
}

.window-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Terminal Styles - Linux Style */
.terminal-output {
    flex: 1;
    background: #2c3e50;
    color: #ecf0f1;
    font-family: 'Ubuntu Mono', 'Courier New', monospace;
    padding: 15px;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.4;
}

.terminal-input-line {
    background: #2c3e50;
    color: #ecf0f1;
    font-family: 'Ubuntu Mono', 'Courier New', monospace;
    padding: 8px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid #34495e;
}

.prompt {
    color: #3498db;
    font-weight: bold;
}

#terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #ecf0f1;
    font-family: 'Ubuntu Mono', 'Courier New', monospace;
    font-size: 14px;
    outline: none;
}

.welcome-message {
    margin-bottom: 20px;
}

.ascii-art {
    color: #00ff41;
    font-size: 8px;
    line-height: 1;
    margin-bottom: 15px;
}

.welcome-text p {
    margin: 5px 0;
}

.course-highlight {
    color: #ffff00;
    font-weight: bold;
}

/* Browser Styles - Modern Dark Theme */
.browser-toolbar {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 12px 16px;
    border-bottom: 2px solid #00ff41;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 50px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.url-bar {
    display: flex;
    gap: 12px;
    flex: 1;
    align-items: center;
}

#url-input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid #555;
    border-radius: 8px;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.8);
    color: #00ff41;
    font-family: 'Ubuntu Mono', monospace;
    height: 36px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    font-weight: 500;
}

#url-input:focus {
    outline: none;
    border-color: #00ff41;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
    background: rgba(0, 0, 0, 0.9);
}

#url-input::placeholder {
    color: #888;
    font-style: italic;
}

.url-bar button {
    background: linear-gradient(135deg, #00ff41, #00cc33);
    border: none;
    border-radius: 8px;
    padding: 0 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    color: #000;
    height: 36px;
    width: 80px;
    white-space: nowrap;
    box-sizing: border-box;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.url-bar button:hover {
    background: linear-gradient(135deg, #00cc33, #00aa2a);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 65, 0.4);
}

.url-bar button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 255, 65, 0.3);
}

@media (max-width: 768px) {
    .browser-toolbar {
        padding: 8px 12px;
        min-height: 45px;
    }
    
    #url-input {
        font-size: 16px;
        padding: 10px 14px;
        height: 38px;
        border-radius: 6px;
    }
    
    .url-bar button {
        padding: 0 16px;
        font-size: 13px;
        height: 38px;
        width: 70px;
        border-radius: 6px;
    }
    
    .homepage {
        padding: 20px 15px;
    }
    
    .quick-links {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .link-card {
        padding: 20px;
    }
}

.browser-content {
    flex: 1;
    padding: 0;
    overflow-y: auto;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    font-family: 'Ubuntu', sans-serif;
    color: #fff;
}

.browser-content * {
    color: inherit;
}

.browser-content h1, .browser-content h2, .browser-content h3, .browser-content h4, .browser-content h5 {
    color: #00ff41 !important;
}

.browser-content p {
    color: #ccc !important;
    line-height: 1.6;
}

.browser-content pre {
    background: rgba(0, 0, 0, 0.8) !important;
    color: #00ff41 !important;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #333;
    font-family: 'Ubuntu Mono', monospace;
}

.browser-content code {
    background: rgba(0, 0, 0, 0.6) !important;
    color: #00ff41 !important;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Ubuntu Mono', monospace;
}

.browser-content div {
    color: #fff !important;
}

.browser-content span {
    color: inherit !important;
}

.homepage {
    padding: 30px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    min-height: 100%;
}

.homepage h1 {
    color: #00ff41;
    margin-bottom: 30px;
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.link-card {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid #333;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.1), transparent);
    transition: left 0.5s;
}

.link-card:hover::before {
    left: 100%;
}

.link-card:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 255, 65, 0.2);
    border-color: #00ff41;
}

.link-card i {
    font-size: 3em;
    color: #00ff41;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.5));
}

.link-card h3 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 600;
}

.link-card p {
    color: #ccc;
    font-size: 14px;
    line-height: 1.5;
}

/* ML Theory App Styles */
.ml-theory-app {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.app-header h1 {
    color: #00ff41;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.app-header p {
    color: #ccc;
    font-size: 1.1rem;
}

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chapter-card {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #333;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.chapter-card:hover {
    border-color: #00ff41;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 255, 65, 0.2);
}

.chapter-number {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #00ff41;
    color: #000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.chapter-card h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 10px;
    margin-right: 50px;
}

.chapter-card p {
    color: #ccc;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.chapter-progress {
    color: #00ff41;
    font-size: 0.9rem;
    font-weight: 500;
}

.chapter-detail {
    background: rgba(0, 0, 0, 0.9);
    border-radius: 12px;
    padding: 25px;
    margin-top: 20px;
}

.chapter-header {
    border-bottom: 1px solid #333;
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.back-btn {
    background: #333;
    color: #fff;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 15px;
    transition: background 0.3s;
}

.back-btn:hover {
    background: #00ff41;
    color: #000;
}

.chapter-header h2 {
    color: #00ff41;
    font-size: 2rem;
    margin-bottom: 5px;
}

.urdu-title {
    color: #ccc;
    font-size: 1.1rem;
    font-style: italic;
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lesson-card {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #333;
    border-radius: 10px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 20px;
}

.lesson-card:hover {
    border-color: #00ff41;
    background: rgba(0, 255, 65, 0.05);
}

.lesson-number {
    background: #00ff41;
    color: #000;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.lesson-info {
    flex-grow: 1;
}

.lesson-info h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.lesson-urdu {
    color: #ccc;
    font-size: 0.9rem;
    font-style: italic;
}

.lesson-arrow {
    color: #00ff41;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.lesson-detail {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    padding: 25px;
    margin-top: 20px;
}

.lesson-header h3 {
    color: #00ff41;
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.lesson-urdu-title {
    color: #ccc;
    font-size: 1rem;
    font-style: italic;
    margin-bottom: 20px;
}

.lesson-text {
    color: #fff;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 1rem;
}

.lesson-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.example-btn, .quiz-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.example-btn {
    background: #00ff41;
    color: #000;
}

.quiz-btn {
    background: #333;
    color: #fff;
    border: 1px solid #00ff41;
}

.example-btn:hover {
    background: #00cc33;
    transform: translateY(-2px);
}

.quiz-btn:hover {
    background: #00ff41;
    color: #000;
}

.example-section, .quiz-section {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    border: 1px solid #333;
}

.example-section h4, .quiz-section h4 {
    color: #00ff41;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.code-example {
    background: #000;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    border: 1px solid #333;
}

.code-example pre {
    color: #00ff41;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
    overflow-x: auto;
}

.example-explanation {
    background: rgba(0, 255, 65, 0.1);
    border-left: 4px solid #00ff41;
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 8px 8px 0;
}

.run-example-btn {
    background: #00ff41;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.run-example-btn:hover {
    background: #00cc33;
    transform: translateY(-2px);
}

.example-output {
    background: #000;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
}

.example-output h5 {
    color: #00ff41;
    margin-bottom: 10px;
}

.example-output pre {
    color: #fff;
    font-family: 'Courier New', monospace;
    margin: 0;
    white-space: pre-wrap;
}

.quiz-question {
    margin-bottom: 20px;
}

.quiz-question p {
    color: #fff;
    font-size: 1.1rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.quiz-option {
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border: 1px solid #333;
    padding: 15px 20px;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.quiz-option:hover {
    border-color: #00ff41;
    background: rgba(0, 255, 65, 0.1);
}

.quiz-correct {
    background: rgba(0, 255, 0, 0.2);
    border: 1px solid #00ff00;
    border-radius: 8px;
    padding: 15px;
    color: #00ff00;
}

.quiz-wrong {
    background: rgba(255, 0, 0, 0.2);
    border: 1px solid #ff0000;
    border-radius: 8px;
    padding: 15px;
    color: #ff6666;
}

/* CTF Challenge Styles */
.ctf-challenge {
    padding: 20px;
    background: #f8f9fa;
}

.challenge-info {
    background: #fff3cd;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #ffc107;
}

.flag-hint {
    font-family: monospace;
    background: #000;
    color: #00ff41;
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
}

.directory-list, .endpoint-list, .file-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 15px 0;
}

.dir-item, .endpoint, .file-item {
    background: #e9ecef;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dir-item:hover, .endpoint:hover, .file-item:hover {
    background: #dee2e6;
    transform: translateY(-1px);
}

.method {
    background: #007bff;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

.flag-found {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 6px;
    font-weight: bold;
    margin-top: 10px;
    border: 1px solid #c3e6cb;
}

.api-success, .file-success, .login-success {
    background: #d4edda;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    border: 1px solid #c3e6cb;
}

@media (max-width: 768px) {
    .chapter-grid {
        grid-template-columns: 1fr;
    }
    
    .lesson-actions {
        flex-direction: column;
    }
    
    .quiz-options {
        gap: 8px;
    }
    
    .quiz-option {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
}

/* File Manager - Dark Linux Style */
.file-manager {
    background: #2d2d2d;
    font-family: 'Ubuntu', sans-serif;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.file-toolbar {
    background: #3c3c3c;
    border-bottom: 1px solid #555;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toolbar-left {
    display: flex;
    gap: 4px;
}

.file-toolbar button {
    background: #4a4a4a;
    border: 1px solid #666;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    min-height: 28px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Ubuntu', sans-serif;
    display: flex;
    align-items: center;
    gap: 4px;
}

.file-toolbar button:hover {
    background: #555;
    border-color: #777;
}

.file-toolbar button:active {
    background: #333;
    border-color: #888;
}

.file-toolbar button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.path-bar {
    flex: 1;
    margin: 0 12px;
}

.breadcrumb {
    background: #2d2d2d;
    border: 1px solid #555;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: #00ff41;
    font-family: 'Ubuntu Mono', monospace;
}

.toolbar-right {
    display: flex;
    gap: 4px;
}

.file-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.file-sidebar {
    width: 200px;
    background: #3c3c3c;
    border-right: 1px solid #555;
    padding: 8px;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 16px;
}

.sidebar-section h4 {
    color: #ccc;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 6px;
    padding: 0 8px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    color: #e0e0e0;
    transition: all 0.2s;
    margin-bottom: 2px;
}

.sidebar-item:hover {
    background: #4a4a4a;
}

.sidebar-item.active {
    background: #00ff41;
    color: #000;
}

.sidebar-item i {
    width: 16px;
    text-align: center;
    font-size: 14px;
}

.file-main {
    flex: 1;
    background: #2d2d2d;
    overflow: auto;
    padding: 12px;
}

.file-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    padding: 8px;
}

.file-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    border: 2px solid transparent;
}

.file-item:hover {
    background: #3c3c3c;
}

.file-item.selected {
    background: rgba(0, 255, 65, 0.2);
    border-color: #00ff41;
}

.file-item i {
    font-size: 32px;
    margin-bottom: 8px;
    color: #ccc;
}

.file-item.folder i {
    color: #ffa726;
}

.file-item.image i {
    color: #66bb6a;
}

.file-item.document i {
    color: #42a5f5;
}

.file-item.code i {
    color: #ab47bc;
}

.file-item span {
    font-size: 11px;
    color: #e0e0e0;
    word-break: break-word;
    line-height: 1.2;
    max-width: 100%;
}

.status-bar {
    background: #3c3c3c;
    border-top: 1px solid #555;
    padding: 4px 12px;
    font-size: 11px;
    color: #ccc;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 24px;
}

/* Code Editor - Linux Style */
.editor-container {
    display: flex;
    position: relative;
    background: #2d2d2d;
}

.editor-toolbar {
    background: linear-gradient(to bottom, #e8e8e8, #d0d0d0);
    border-bottom: 1px solid #bbb;
    padding: 4px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 32px;
}

.editor-toolbar button {
    background: linear-gradient(to bottom, #f0f0f0, #e0e0e0);
    border: 1px solid #aaa;
    border-radius: 2px;
    padding: 4px 8px;
    font-size: 11px;
    min-height: 22px;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Ubuntu', sans-serif;
    display: flex;
    align-items: center;
    gap: 3px;
}

.editor-toolbar button:hover {
    background: linear-gradient(to bottom, #e0e0e0, #d0d0d0);
    border-color: #999;
}

.editor-toolbar select {
    background: linear-gradient(to bottom, #f0f0f0, #e0e0e0);
    border: 1px solid #aaa;
    border-radius: 2px;
    padding: 3px 6px;
    font-size: 11px;
    min-height: 22px;
    color: #333;
    font-family: 'Ubuntu', sans-serif;
    outline: none;
}

.editor-toolbar select:focus {
    border-color: #4a90e2;
}

.line-numbers {
    background: #2d2d2d;
    color: #666;
    padding: 8px 5px;
    font-family: 'Ubuntu Mono', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
    text-align: right;
    border-right: 1px solid #444;
    user-select: none;
    overflow: hidden;
    white-space: pre;
    min-width: 40px;
}

#code-editor {
    background: #2d2d2d !important;
    color: #f8f8f2 !important;
    border: none !important;
    padding: 8px 12px !important;
    font-family: 'Ubuntu Mono', 'Courier New', monospace !important;
    font-size: 14px !important;
    line-height: 1.4 !important;
    resize: none !important;
    outline: none !important;
    tab-size: 4;
}

.editor-output {
    background: #1e1e1e;
    border-top: 1px solid #444;
    padding: 8px;
    font-family: 'Ubuntu Mono', monospace;
    font-size: 12px;
    color: #f8f8f2;
    max-height: 150px;
    overflow-y: auto;
}

.virtual-keyboard {
    background: rgba(0, 0, 0, 0.9);
    border-top: 1px solid #00ff41;
    padding: 10px;
    display: none;
}

@media (max-width: 768px) {
    .virtual-keyboard {
        display: block;
    }
}

.keyboard-row {
    display: flex;
    gap: 5px;
    margin-bottom: 5px;
    justify-content: center;
    flex-wrap: wrap;
}

.key-btn {
    background: rgba(0, 255, 65, 0.2);
    border: 1px solid rgba(0, 255, 65, 0.5);
    color: #00ff41;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    transition: all 0.2s;
    min-width: 50px;
    text-align: center;
}

.key-btn:hover, .key-btn:active {
    background: rgba(0, 255, 65, 0.4);
    border-color: #00ff41;
    transform: scale(0.95);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .vm-container {
        font-size: 14px;
        overflow-x: hidden;
    }
    
    .desktop {
        padding: 5px;
        height: calc(100vh - 50px);
    }
    
    .app-window {
        width: 98% !important;
        height: 90% !important;
        top: 2% !important;
        left: 1% !important;
        border-radius: 5px;
    }
    
    .taskbar {
        height: 50px;
        padding: 0 5px;
    }
    
    .app-icon {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .logo {
        font-size: 14px;
    }
    
    .system-tray {
        font-size: 12px;
    }
    
    .course-indicator {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .course-shortcuts {
        position: fixed;
        bottom: 50px;
        left: 0;
        right: 0;
        width: 100%;
        height: 60px;
        flex-direction: row;
        justify-content: space-around;
        padding: 8px;
        background: rgba(0, 0, 0, 0.9);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 1001;
    }
    
    .course-shortcuts:hover {
        width: 100%;
    }
    
    .course-shortcut {
        width: auto;
        height: 44px;
        padding: 8px;
        font-size: 16px;
    }
    
    .course-shortcut span {
        display: none;
    }
    
    .applications {
        margin-left: 0;
        margin-bottom: 60px;
    }
    
    .desktop-icons {
        position: absolute;
        top: 5px;
        left: 5px;
        flex-direction: row;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .desktop-icon {
        width: 60px;
        padding: 5px;
    }
    
    .desktop-icon i {
        font-size: 20px;
    }
    
    .desktop-icon span {
        font-size: 10px;
    }
    
    .terminal-output {
        font-size: 12px;
        padding: 8px;
        line-height: 1.3;
        height: calc(100% - 120px);
    }
    
    .terminal-input-line {
        padding: 8px;
        font-size: 12px;
    }
    
    #terminal-input {
        font-size: 16px;
    }
    
    .ascii-art {
        display: none;
    }
    
    /* Mobile File Manager */
    .file-toolbar {
        padding: 4px 8px;
        min-height: 32px;
        flex-wrap: wrap;
    }
    
    .file-toolbar button {
        padding: 4px 8px;
        font-size: 11px;
        min-height: 24px;
    }
    
    .file-sidebar {
        width: 160px;
    }
    
    .sidebar-item {
        padding: 4px 6px;
        font-size: 11px;
    }
    
    .file-list {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }
    
    .file-item {
        padding: 8px 4px;
    }
    
    .file-item i {
        font-size: 24px;
    }
    
    .file-item span {
        font-size: 10px;
    }
    
    /* Mobile Code Editor */
    .editor-toolbar {
        padding: 3px 6px;
        min-height: 28px;
        flex-wrap: wrap;
    }
    
    .editor-toolbar button {
        padding: 3px 6px;
        font-size: 10px;
        min-height: 20px;
    }
    
    .editor-toolbar select {
        padding: 2px 4px;
        font-size: 10px;
        min-height: 20px;
    }
    
    .editor-output {
        padding: 6px;
        font-size: 11px;
        max-height: 100px;
    }
}

/* AI Chat App Styles - Modern Design */
.ai-chat-container {
    display: flex;
    height: 100%;
    background: #1a1a1a;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.chat-sidebar {
    width: 280px;
    background: #2d2d2d;
    border-right: 1px solid #404040;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 16px;
    border-bottom: 1px solid #404040;
    background: #333;
}

.new-chat-btn {
    width: 100%;
    background: linear-gradient(135deg, #00ff41, #00cc33);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.new-chat-btn:hover {
    background: linear-gradient(135deg, #00cc33, #00aa2a);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.3);
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.chat-history-item {
    padding: 12px;
    margin-bottom: 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #e0e0e0;
    font-size: 13px;
    border: 1px solid transparent;
}

.chat-history-item:hover {
    background: #3a3a3a;
    border-color: #555;
}

.chat-history-item.active {
    background: rgba(0, 255, 65, 0.1);
    border-color: #00ff41;
    color: #00ff41;
}

.attack-panel {
    padding: 16px;
    border-top: 1px solid #404040;
    background: #2a2a2a;
}

.attack-panel h4 {
    color: #ff6b35;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.attack-hint {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 12px;
    font-size: 11px;
    color: #ccc;
    text-align: center;
}

.attack-btn {
    width: 100%;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    color: #ff6b35;
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    text-align: left;
}

.attack-btn:hover {
    background: rgba(255, 107, 53, 0.2);
    border-color: #ff6b35;
    transform: translateX(4px);
}

.attack-btn:active {
    transform: translateX(2px);
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #1a1a1a;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: messageSlideIn 0.3s ease-out;
}

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

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

.message.assistant {
    align-self: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, #00ff41, #00cc33);
    color: #000;
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, #ff6b35, #e55a2b);
    color: white;
}

.message-content {
    background: #2d2d2d;
    border-radius: 16px;
    padding: 12px 16px;
    color: #e0e0e0;
    line-height: 1.5;
    font-size: 14px;
    border: 1px solid #404040;
    position: relative;
}

.message.user .message-content {
    background: rgba(0, 255, 65, 0.1);
    border-color: rgba(0, 255, 65, 0.3);
}

.message.assistant .message-content {
    background: #2d2d2d;
    border-color: #404040;
}

.message-content::before {
    content: '';
    position: absolute;
    top: 12px;
    width: 0;
    height: 0;
    border: 6px solid transparent;
}

.message.user .message-content::before {
    right: -12px;
    border-left-color: rgba(0, 255, 65, 0.1);
}

.message.assistant .message-content::before {
    left: -12px;
    border-right-color: #2d2d2d;
}

.message-time {
    font-size: 11px;
    color: #888;
    margin-top: 4px;
    text-align: right;
}

.message.assistant .message-time {
    text-align: left;
}

.chat-input-area {
    padding: 20px;
    border-top: 1px solid #404040;
    background: #2d2d2d;
}

.input-container {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background: #1a1a1a;
    border: 2px solid #404040;
    border-radius: 24px;
    padding: 8px 16px;
    transition: border-color 0.3s ease;
}

.input-container:focus-within {
    border-color: #00ff41;
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.1);
}

#ai-chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #e0e0e0;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 20px;
    max-height: 120px;
    padding: 8px 0;
}

#ai-chat-input::placeholder {
    color: #888;
}

#ai-send-btn {
    background: linear-gradient(135deg, #00ff41, #00cc33);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #000;
    font-size: 16px;
    flex-shrink: 0;
}

#ai-send-btn:hover {
    background: linear-gradient(135deg, #00cc33, #00aa2a);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.3);
}

#ai-send-btn:active {
    transform: scale(0.95);
}

#ai-send-btn:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 16px;
    align-items: center;
    color: #888;
    font-size: 13px;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: #888;
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingDot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.attack-result {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    font-size: 13px;
}

.attack-success {
    background: rgba(0, 255, 65, 0.1);
    border-color: rgba(0, 255, 65, 0.3);
    color: #00ff41;
}

.attack-failed {
    background: rgba(255, 0, 0, 0.1);
    border-color: rgba(255, 0, 0, 0.3);
    color: #ff6666;
}

/* Mobile AI Chat Styles */
@media (max-width: 768px) {
    .ai-chat-container {
        flex-direction: column;
    }
    
    .chat-sidebar {
        width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: 1px solid #404040;
    }
    
    .attack-panel {
        padding: 12px;
    }
    
    .attack-btn {
        padding: 8px 10px;
        font-size: 11px;
    }
    
    .chat-messages {
        padding: 12px;
        gap: 12px;
    }
    
    .message {
        max-width: 95%;
    }
    
    .message-content {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .chat-input-area {
        padding: 12px;
    }
    
    #ai-chat-input {
        font-size: 16px;
    }
    
    #ai-send-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

/* Landscape Mobile */
@media (orientation: landscape) and (max-width: 1024px) {
    .vm-container {
        height: 100vh;
        overflow: hidden;
    }
    
    .desktop {
        height: calc(100vh - 45px);
        padding: 5px;
    }
    
    .taskbar {
        height: 45px;
        padding: 0 10px;
    }
    
    .app-window {
        width: 99% !important;
        height: 92% !important;
        top: 1% !important;
        left: 0.5% !important;
    }
    
    .window-header {
        height: 30px;
        font-size: 11px;
    }
    
    .terminal-output {
        font-size: 10px;
        padding: 5px;
        height: calc(100% - 35px);
    }
    
    .terminal-input-line {
        padding: 4px 5px;
        font-size: 10px;
        height: 30px;
    }
    
    .ai-chat-container {
        flex-direction: row;
    }
    
    .chat-sidebar {
        width: 240px;
        height: 100%;
        border-right: 1px solid #404040;
        border-bottom: none;
    }
}

/* Vulnerable App Styles - Dark Theme */
.vulnerable-app {
    padding: 25px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.app-container {
    max-width: 700px;
    margin: 0 auto;
}

.login-form {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid #333;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 25px;
}

.login-form h3 {
    color: #00ff41;
    margin-bottom: 25px;
    text-align: center;
    font-size: 24px;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.login-form input {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 2px solid #555;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: #00ff41;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.login-form input::placeholder {
    color: #888;
}

.login-form button {
    width: 100%;
    background: linear-gradient(135deg, #00ff41, #00cc33);
    color: #000;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
}

.login-form button:hover {
    background: linear-gradient(135deg, #00cc33, #00aa2a);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 65, 0.4);
}

.vulnerability-hints {
    background: rgba(255, 193, 7, 0.1);
    border: 2px solid rgba(255, 193, 7, 0.3);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #ffc107;
}

.hint-item {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #333;
    padding: 18px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 12px;
    color: #fff;
}

.hint-item:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: #00ff41;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 65, 0.2);
}

.attack-result {
    margin-top: 25px;
    padding: 20px;
    border-radius: 12px;
}

.attack-success {
    background: rgba(0, 255, 65, 0.2);
    color: #00ff41;
    border: 2px solid #00ff41;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.attack-failed {
    background: rgba(255, 0, 0, 0.2);
    color: #ff6666;
    border: 2px solid #ff3333;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.3);
}

/* API Target Styles */
.api-target {
    padding: 25px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.api-info {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid #333;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.api-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.api-status.online {
    color: #00ff41;
    font-weight: bold;
}

.api-url {
    color: #ccc;
    font-family: 'Ubuntu Mono', monospace;
}

.api-endpoints {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.endpoint-item {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #333;
    padding: 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.endpoint-item:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: #00ff41;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 65, 0.2);
}

.endpoint-item.safe .status {
    color: #00ff41;
}

.endpoint-item.vulnerable .status {
    color: #ff6666;
}

.api-response {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid #00ff41;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
}

.response-header {
    color: #00ff41;
    font-weight: bold;
    margin-bottom: 10px;
}

.response-status {
    color: #ccc;
    margin-bottom: 10px;
}

.response-body {
    background: rgba(0, 0, 0, 0.9);
    color: #00ff41;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Ubuntu Mono', monospace;
    border: 1px solid #333;
}