/* ============================================
   VULNERABLE AI PLATFORM - MODERN DARK THEME
   Inspired by Crucible/Dreadnought aesthetics
   ============================================ */

/* CSS Variables */
:root {
    --primary-bg: #0a0e27;
    --secondary-bg: #141829;
    --card-bg: #1a1f3a;
    --accent-cyan: #00f0ff;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-dim: #64748b;
    --border-color: #2d3548;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(236, 72, 153, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 240, 255, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
    50% { transform: scale(1.1) rotate(180deg); opacity: 0.8; }
}

.header h1 {
    font-size: 2.5em;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1em;
    position: relative;
    z-index: 1;
}

.header-actions {
    margin-top: 18px;
    position: relative;
    z-index: 1;
}

.header .warning {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    padding: 12px 20px;
    border-radius: 8px;
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--danger);
    position: relative;
    z-index: 1;
}

/* Level Selector */
.level-selector {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.level-selector h3 {
    font-size: 1.5em;
    color: var(--accent-cyan);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.level-selector > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.level-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.level-btn {
    padding: 16px 24px;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.level-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.level-btn:hover::before {
    width: 300px;
    height: 300px;
}

.level-btn:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
}

.level-btn.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    border-color: var(--accent-purple);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

/* Special Level Buttons */
.level-btn[onclick*="level4"] {
    background: linear-gradient(135deg, #ec4899, #f97316);
    border-color: var(--accent-pink);
    color: white;
}

.level-btn[onclick*="real-world"] {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-color: var(--accent-cyan);
    color: white;
}

/* Vulnerability Info */
.vulnerability-info {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.vulnerability-info h4 {
    font-size: 1.3em;
    color: var(--accent-cyan);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vulnerability-info strong {
    color: var(--accent-purple);
}

.vulnerability-info ul,
.vulnerability-info ol {
    margin-left: 25px;
    color: var(--text-secondary);
}

.vulnerability-info li {
    margin: 8px 0;
    line-height: 1.6;
}

.vulnerability-info em {
    color: var(--accent-cyan);
    font-style: normal;
    display: block;
    margin-top: 12px;
    padding: 12px;
    background: rgba(0, 240, 255, 0.05);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 4px;
}

.callout {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px 28px;
    margin: 28px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    position: relative;
}

.callout h3,
.callout h4 {
    margin-bottom: 12px;
    color: var(--accent-cyan);
}

.callout p {
    color: var(--text-secondary);
}

.callout code {
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.25);
}

.callout-warning {
    background: rgba(249, 115, 22, 0.12);
    border-color: rgba(249, 115, 22, 0.55);
}

.callout-warning h3,
.callout-warning strong {
    color: var(--accent-orange);
}

.callout-info {
    background: rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.6);
}

.callout-info h4,
.callout-info strong {
    color: var(--accent-cyan);
}

.callout-note {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.55);
}

.challenge-list {
    margin-left: 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.challenge-list strong {
    color: var(--accent-purple);
}

/* Chat Interface */
.attack-interface {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    margin-bottom: 24px;
}

/* Chat Header */
.attack-interface > div:first-child {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink)) !important;
    padding: 20px 24px !important;
    font-size: 1.1em !important;
    font-weight: 600 !important;
    color: white !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Response Area */
#response-area {
    min-height: 450px !important;
    max-height: 600px !important;
    overflow-y: auto !important;
    padding: 24px !important;
    background: var(--secondary-bg) !important;
}

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

#response-area::-webkit-scrollbar-track {
    background: var(--primary-bg);
    border-radius: 4px;
}

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

#response-area::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Chat Messages */
.message {
    margin-bottom: 20px;
    animation: messageSlideIn 0.3s ease-out;
}

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

.user-message {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--accent-cyan);
    border-radius: 12px;
    padding: 16px;
    margin-left: auto;
    max-width: 80%;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

.assistant-message {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    max-width: 85%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.success-message {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(0, 240, 255, 0.1));
    border: 2px solid var(--success);
    border-radius: 12px;
    padding: 20px;
    margin: 16px 0;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
    animation: successPulse 2s ease-in-out;
}

@keyframes successPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 8px 40px rgba(16, 185, 129, 0.5); }
}

/* Input Area */
.attack-interface > div:last-child {
    padding: 20px 24px !important;
    background: var(--card-bg) !important;
    border-top: 1px solid var(--border-color) !important;
    display: flex !important;
    gap: 12px !important;
    align-items: center !important;
}

#attack-input {
    flex: 1 !important;
    background: var(--secondary-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    padding: 12px 16px !important;
    color: var(--text-primary) !important;
    font-size: 0.95em !important;
    font-family: inherit !important;
    resize: none !important;
    transition: all 0.3s !important;
}

#attack-input:focus {
    outline: none !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1) !important;
}

#attack-input::placeholder {
    color: var(--text-dim);
}

/* Buttons */
#attack-btn {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple)) !important;
    border: none !important;
    border-radius: 12px !important;
    width: 48px !important;
    height: 48px !important;
    cursor: pointer !important;
    font-size: 20px !important;
    color: white !important;
    transition: all 0.3s !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3) !important;
}

#attack-btn:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5) !important;
}

#attack-btn:active {
    transform: scale(0.95) !important;
}

#reset-btn {
    background: var(--secondary-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    width: 40px !important;
    height: 40px !important;
    cursor: pointer !important;
    font-size: 18px !important;
    color: var(--danger) !important;
    transition: all 0.3s !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#reset-btn:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    border-color: var(--danger) !important;
    transform: rotate(90deg) !important;
}

/* Upload button - ONLY shown on Level 3 */
#upload-label {
    background: var(--secondary-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    width: 40px !important;
    height: 40px !important;
    cursor: pointer !important;
    font-size: 20px !important;
    color: var(--success) !important;
    transition: all 0.3s !important;
    display: none !important; /* Hidden by default */
    align-items: center !important;
    justify-content: center !important;
}

/* Only show on Level 3 */
body[data-level="3"] #upload-label {
    display: flex !important;
}

#upload-label:hover {
    background: rgba(16, 185, 129, 0.1) !important;
    border-color: var(--success) !important;
    transform: scale(1.1) !important;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-dim);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer p {
    margin: 8px 0;
}

.footer strong {
    color: var(--accent-cyan);
}

/* Toast Notifications */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    animation: slideIn 0.3s ease-out;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-cyan);
    animation: spin 0.8s linear infinite;
}

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

/* Code Blocks */
pre, code {
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--accent-cyan);
    overflow-x: auto;
}

.code-block {
    margin: 18px 0;
    background: var(--secondary-bg);
    border-color: rgba(148, 163, 184, 0.4);
}

.code-block code {
    display: block;
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8em;
    }

    .level-buttons {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 12px;
    }

    .header, .level-selector, .vulnerability-info, .attack-interface {
        padding: 20px;
    }
}

/* Utility Classes */
.glow-cyan {
    text-shadow: 0 0 10px var(--accent-cyan);
}

.glow-purple {
    text-shadow: 0 0 10px var(--accent-purple);
}

.glow-pink {
    text-shadow: 0 0 10px var(--accent-pink);
}