/**
 * Hacker-Themed Interactive Features
 * Styles for terminal, skill demos, and encryption UI
 */

/* ===========================
   Hacker Terminal
   =========================== */
.hacker-terminal-container {
    margin: 2rem 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.1);
}

.terminal-header {
    background: linear-gradient(135deg, #0a0f1f 0%, #1a1f3f 100%);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.close { background: #ff5f56; }
.terminal-btn.minimize { background: #ffbd2e; }
.terminal-btn.maximize { background: #27c93f; }

.terminal-title {
    color: rgba(255, 255, 255, 0.6);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    margin-left: auto;
}

#hacker-terminal {
    background: #000000;
    color: #00ff41;
    font-family: 'Courier New', monospace;
    padding: 1.5rem;
    min-height: 200px;
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
}

.terminal-line {
    margin-bottom: 0.5rem;
    animation: terminalFadeIn 0.3s ease-out;
}

.terminal-prefix {
    color: #0ff;
    font-weight: bold;
    margin-right: 0.5rem;
}

.terminal-cursor {
    display: inline-block;
    background: #00ff41;
    color: #000;
    padding: 0 4px;
    animation: cursorBlink 1s infinite;
}

@keyframes terminalFadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Custom scrollbar for terminal */
#hacker-terminal::-webkit-scrollbar {
    width: 8px;
}

#hacker-terminal::-webkit-scrollbar-track {
    background: rgba(0, 255, 65, 0.1);
}

#hacker-terminal::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 65, 0.3);
    border-radius: 4px;
}

#hacker-terminal::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 65, 0.5);
}

/* ===========================
   Skill Demo Modal
   =========================== */
.skill-demo-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 1rem;
}

.skill-demo-modal.active {
    opacity: 1;
    pointer-events: all;
}

.skill-demo-content {
    background: linear-gradient(135deg, #0a0f1f 0%, #1a1f3f 100%);
    border: 2px solid var(--neon-blue);
    border-radius: 12px;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideUp 0.4s ease-out;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

@keyframes modalSlideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.skill-demo-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.skill-demo-close:hover {
    color: var(--neon-blue);
    background: rgba(0, 255, 255, 0.1);
    transform: rotate(90deg);
}

.skill-demo-title {
    color: var(--neon-blue);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.skill-demo-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.skill-demo-code {
    background: #000;
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    position: relative;
}

.skill-demo-code code {
    color: #00ff41;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    display: block;
    white-space: pre;
}

.skill-demo-copy-btn {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

.skill-demo-copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.skill-demo-copy-btn.copied {
    background: linear-gradient(135deg, #00ff41, #00cc33);
}

/* Skill items with demos */
.skill-item.has-demo {
    position: relative;
}

.skill-item.has-demo::after {
    content: '⚡';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.5;
}

.skill-item.has-demo:hover::after {
    opacity: 1;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===========================
   Message Encoding UI (Educational Demo)
   Note: Updated terminology - Base64 is encoding, not encryption
   =========================== */

/* New encoding-specific classes */
.encoding-controls {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
}

.encoding-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.encoding-toggle input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--neon-blue);
}

.encoding-label {
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.encoding-label i {
    color: var(--neon-blue);
}

/* Tooltip for educational warning */
.encoding-tooltip {
    display: inline-flex;
    align-items: center;
    margin-left: 0.5rem;
    color: #ffaa00;
    cursor: help;
    font-size: 1rem;
    position: relative;
}

.encoding-tooltip:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.95);
    color: #ffaa00;
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid #ffaa00;
    white-space: normal;
    width: 280px;
    font-size: 0.85rem;
    line-height: 1.4;
    z-index: 1000;
    margin-bottom: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.encoding-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #ffaa00;
    z-index: 1000;
}

/* Warning messages */
.encoding-warning {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.4);
    border-radius: 6px;
    padding: 0.75rem;
    margin-bottom: 1rem;
    color: #ffaa00;
    font-size: 0.9rem;
    line-height: 1.5;
}

.encoding-warning i {
    color: #ffaa00;
    margin-right: 0.5rem;
}

.encoding-warning strong {
    color: #ffcc00;
}

.encoding-warning-inline {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.4);
    padding: 0.5rem;
    border-radius: 4px;
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: #ff4444;
}

.encoding-info {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--neon-blue);
    border-radius: 4px;
    animation: slideDown 0.3s ease-out;
}

.encoding-explanation {
    margin-top: 1rem;
    font-size: 0.85rem;
}

.encoding-explanation details {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.encoding-explanation summary {
    color: var(--neon-blue);
    cursor: pointer;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.encoding-explanation ul {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.encoding-explanation li {
    margin: 0.5rem 0;
    line-height: 1.5;
}

.encoding-explanation p {
    margin-top: 0.75rem;
    color: #00ff88;
}

.encoded-preview {
    margin-top: 0.75rem;
}

.encoded-preview strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.encoded-preview code {
    display: block;
    background: #000;
    color: #00ff41;
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    word-break: break-all;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.encoding-technical {
    margin-top: 1rem;
}

.encoding-technical summary {
    color: var(--neon-blue);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.encoding-technical summary:hover {
    background: rgba(0, 255, 255, 0.1);
}

.encoding-technical pre {
    margin-top: 0.75rem;
    background: #000;
    color: #00ff41;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    overflow-x: auto;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.encoding-technical code {
    background: rgba(0, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: #00ffff;
}

.encoding-details {
    margin-top: 0.75rem;
    font-size: 0.9rem;
}

.encoding-details p {
    margin: 0.25rem 0;
    color: var(--text-secondary);
}

/* Legacy encryption classes (backwards compatibility) */
.encryption-controls {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
}

.encryption-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.encryption-toggle input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--neon-blue);
}

.encryption-label {
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.encryption-label i {
    color: var(--neon-blue);
}

.encryption-info {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--neon-blue);
    border-radius: 4px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
}

.encryption-info p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.encryption-info i {
    color: var(--neon-blue);
    margin-right: 0.5rem;
}

.encrypted-preview {
    margin-top: 0.75rem;
}

.encrypted-preview strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.encrypted-preview code {
    display: block;
    background: #000;
    color: #00ff41;
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    word-break: break-all;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.encryption-technical {
    margin-top: 1rem;
}

.encryption-technical summary {
    color: var(--neon-blue);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.encryption-technical summary:hover {
    background: rgba(0, 255, 255, 0.1);
}

.encryption-technical pre {
    margin-top: 0.75rem;
    background: #000;
    color: #00ff41;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    overflow-x: auto;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.form-info {
    background: rgba(0, 255, 255, 0.1);
    border-left-color: var(--neon-blue);
}

.encryption-details {
    margin-top: 0.75rem;
    font-size: 0.9rem;
}

.encryption-details p {
    margin: 0.25rem 0;
    color: var(--text-secondary);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .skill-demo-content {
        padding: 1.5rem;
        margin: 1rem;
    }

    .skill-demo-title {
        font-size: 1.5rem;
        padding-right: 2rem;
    }

    .skill-demo-code {
        padding: 1rem;
    }

    .skill-demo-code code {
        font-size: 0.8rem;
    }

    #hacker-terminal {
        font-size: 0.8rem;
        padding: 1rem;
    }

    .encryption-controls {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .skill-demo-content {
        padding: 1rem;
    }

    .terminal-header {
        padding: 0.5rem 0.75rem;
    }

    .terminal-title {
        font-size: 0.75rem;
    }
}