/* CTF STYLESHEET */
:root {
    --cyber-accent: #65a30d;
    --cyber-accent-glow: rgba(101, 163, 13, 0.08);
    --cyber-bg: #ffffff;
    --cyber-card-bg: #ffffff;
    --cyber-border: #eaeaea;
    --cyber-border-hover: #d1d1d1;
    --cyber-text-primary: #111111;
    --cyber-text-secondary: #555555;
    --cyber-code-bg: #f8fafc;
    --cyber-code-text: #1e293b;
    --cyber-flag-bg: rgba(0, 0, 0, 0.03);
    --cyber-terminal-header-bg: #f1f5f9;
    --cyber-profile-header-bg: #f8fafc;
    --cyber-item-bg: #ffffff;
    --cyber-item-hover-bg: #f1f5f9;
    --cyber-grid-color: rgba(101, 163, 13, 0.04);
    --cyber-btn-back-bg: rgba(0, 0, 0, 0.02);
    
    /* Category Colors for Light Mode */
    --color-forensics: #0284c7;
    --color-web: #e11d48;
    --color-crypto: #059669;
    --color-pwn: #ea580c;
    --color-rev: #7c3aed;
    --color-misc: #475569;
}

body.dark-mode {
    --cyber-accent: #a3e635;
    --cyber-accent-glow: rgba(163, 230, 53, 0.1);
    --cyber-bg: #09090b;
    --cyber-card-bg: #121214;
    --cyber-border: rgba(255, 255, 255, 0.08);
    --cyber-border-hover: rgba(255, 255, 255, 0.16);
    --cyber-text-primary: #f4f4f5;
    --cyber-text-secondary: #a1a1aa;
    --cyber-code-bg: #050507;
    --cyber-code-text: #e2e8f0;
    --cyber-flag-bg: rgba(0, 0, 0, 0.3);
    --cyber-terminal-header-bg: rgba(255, 255, 255, 0.02);
    --cyber-profile-header-bg: rgba(255, 255, 255, 0.02);
    --cyber-item-bg: rgba(255, 255, 255, 0.01);
    --cyber-item-hover-bg: rgba(255, 255, 255, 0.03);
    --cyber-grid-color: rgba(163, 230, 53, 0.03);
    --cyber-btn-back-bg: rgba(255, 255, 255, 0.02);
    
    /* Category Colors for Dark Mode */
    --color-forensics: #38bdf8;
    --color-web: #f43f5e;
    --color-crypto: #10b981;
    --color-pwn: #f97316;
    --color-rev: #a855f7;
    --color-misc: #64748b;
}

body.ctf-page {
    background-color: var(--cyber-bg);
    color: var(--cyber-text-primary);
    background-image: 
        radial-gradient(var(--cyber-grid-color) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Header & Back Navigation */
.ctf-header-container {
    max-width: 1200px;
    margin: 40px auto 20px auto;
    padding: 0 20px;
}

.ctf-back-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--cyber-text-secondary);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    background: var(--cyber-btn-back-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-back-home:hover {
    color: var(--cyber-accent);
    border-color: var(--cyber-accent);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(-4px);
    box-shadow: none;
}

.ctf-title-wrap h1 {
    font-size: 2.8rem;
    font-weight: 900;
    margin: 0 0 8px 0;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, var(--cyber-text-primary) 40%, var(--cyber-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.ctf-title-wrap .subtitle {
    color: var(--cyber-text-secondary);
    font-size: 15px;
    margin: 0;
    font-family: var(--font-mono);
}

/* Stats Section */
.ctf-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.ctf-stat-card {
    background: var(--cyber-card-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.ctf-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background-color: var(--cyber-border);
    transition: background-color 0.3s ease;
}

.ctf-stat-card:hover::before {
    background-color: var(--cyber-accent);
}

.ctf-stat-card:hover {
    border-color: var(--cyber-border-hover);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.ctf-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(163, 230, 53, 0.05);
    color: var(--cyber-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(163, 230, 53, 0.1);
}

.ctf-stat-info {
    display: flex;
    flex-direction: column;
}

.ctf-stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--cyber-text-primary);
    line-height: 1.2;
    font-family: var(--font-mono);
}

.ctf-stat-label {
    font-size: 12px;
    color: var(--cyber-text-secondary);
    margin-top: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Profile Badges on Sidebar */
.ctf-profile-header {
    background: var(--cyber-profile-header-bg);
    border: 1px dashed var(--cyber-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
}

.ctf-profile-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.ctf-profile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--cyber-accent);
    color: var(--cyber-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 14px;
}

.ctf-profile-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--cyber-text-primary);
}

.ctf-profile-handle {
    font-size: 12px;
    color: var(--cyber-text-secondary);
    font-family: var(--font-mono);
    display: block;
}

.ctf-platform-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.platform-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    text-decoration: none;
    border: 1px solid var(--cyber-border);
    background: var(--cyber-btn-back-bg);
    transition: all 0.2s ease;
}

.platform-badge.htb { color: #9fef00; border-color: rgba(159, 239, 0, 0.2); }
.platform-badge.thm { color: #de2b24; border-color: rgba(222, 43, 36, 0.2); }
.platform-badge.ctftime { color: #e11d48; border-color: rgba(225, 29, 72, 0.2); }

.platform-badge:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

/* Split Layout Hub */
.ctf-layout-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 80px auto;
    padding: 0 20px;
    align-items: start;
}

/* Sidebar List */
.ctf-sidebar {
    background: var(--cyber-card-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 24px;
    padding: 24px;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.ctf-sidebar::-webkit-scrollbar {
    width: 4px;
    display: block;
}

.ctf-sidebar::-webkit-scrollbar-thumb {
    background: var(--cyber-border);
    border-radius: 10px;
}

.ctf-sidebar-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--cyber-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 16px 0;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ctf-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ctf-item {
    background: var(--cyber-item-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: left;
    position: relative;
}

.ctf-item::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 60%;
    background-color: var(--cyber-accent);
    border-radius: 0 4px 4px 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ctf-item:hover {
    background: var(--cyber-item-hover-bg);
    border-color: var(--cyber-border-hover);
}

.ctf-item.active {
    background: rgba(163, 230, 53, 0.04);
    border-color: var(--cyber-accent);
    box-shadow: none;
}

.ctf-item.active::after {
    transform: translateY(-50%) scaleY(1);
}

.ctf-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.ctf-item-category {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 6px;
    border-radius: 4px;
}

.ctf-item-category.forensics { background: rgba(56, 189, 248, 0.1); color: var(--color-forensics); }
.ctf-item-category.web { background: rgba(244, 63, 94, 0.1); color: var(--color-web); }
.ctf-item-category.crypto { background: rgba(16, 185, 129, 0.1); color: var(--color-crypto); }
.ctf-item-category.pwn { background: rgba(249, 115, 22, 0.1); color: var(--color-pwn); }
.ctf-item-category.reverse { background: rgba(168, 85, 247, 0.1); color: var(--color-rev); }
.ctf-item-category.misc { background: rgba(100, 116, 139, 0.1); color: var(--color-misc); }

.ctf-item-difficulty {
    font-size: 10px;
    font-weight: 600;
    font-family: var(--font-mono);
}

.ctf-item-difficulty.easy { color: #10b981; }
.ctf-item-difficulty.medium { color: #eab308; }
.ctf-item-difficulty.hard { color: #ef4444; }

.ctf-item-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--cyber-text-primary);
    margin: 0 0 6px 0;
    line-height: 1.3;
}

.ctf-item-event {
    font-size: 11px;
    color: var(--cyber-text-secondary);
    font-family: var(--font-mono);
    display: flex;
    justify-content: space-between;
}

/* Content Area Terminal Viewer */
.ctf-viewer-card {
    background: var(--cyber-card-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.terminal-header {
    background: var(--cyber-terminal-header-bg);
    border-bottom: 1px solid var(--cyber-border);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.terminal-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #f59e0b; }
.terminal-dot.green { background-color: #10b981; }

.terminal-title {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--cyber-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.terminal-title svg {
    color: var(--cyber-accent);
}

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

.terminal-btn {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: var(--cyber-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.terminal-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--cyber-text-primary);
}

/* Empty State / Loading State */
.ctf-empty-state, .ctf-loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 40px;
    flex-grow: 1;
}

.ctf-empty-icon, .ctf-loading-spinner {
    color: var(--cyber-accent);
    margin-bottom: 20px;
    filter: none;
}

.ctf-loading-spinner svg {
    animation: spin 1.5s linear infinite;
}

.ctf-empty-state h3, .ctf-loading-state h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 10px 0;
}

.ctf-empty-state p, .ctf-loading-state p {
    color: var(--cyber-text-secondary);
    font-size: 14px;
    max-width: 320px;
    margin: 0;
    line-height: 1.5;
}

/* Terminal Writeup View */
.ctf-writeup-view {
    padding: 40px;
    overflow-y: auto;
    flex-grow: 1;
}

.writeup-header-meta {
    border-bottom: 1px dashed var(--cyber-border);
    padding-bottom: 24px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}

.writeup-header-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.2;
    letter-spacing: -1px;
}

.writeup-meta-items {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.writeup-meta-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--cyber-border);
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--cyber-text-secondary);
    font-family: var(--font-mono);
}

.writeup-meta-badge svg {
    color: var(--cyber-accent);
}

/* Interactive Flag Reveal Component */
.writeup-flag-card {
    background: linear-gradient(135deg, rgba(163, 230, 53, 0.03) 0%, rgba(163, 230, 53, 0) 100%);
    border: 1px solid rgba(163, 230, 53, 0.15);
    border-radius: 12px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 10px;
    width: 100%;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.flag-label-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.flag-icon {
    color: var(--cyber-accent);
    filter: none;
    display: flex;
    align-items: center;
}

.flag-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cyber-accent);
    font-family: var(--font-mono);
}

.flag-value-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.flag-value-container {
    background: var(--cyber-flag-bg);
    border: 1px solid var(--cyber-border);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--cyber-text-primary);
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
    user-select: all;
}

.flag-blur {
    filter: blur(5px);
    user-select: none;
    opacity: 0.7;
}

.flag-copy-btn {
    background: rgba(163, 230, 53, 0.1);
    border: 1px solid var(--cyber-accent);
    color: var(--cyber-accent);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: none;
}

.flag-copy-btn:hover {
    background: var(--cyber-accent);
    color: var(--cyber-bg);
    box-shadow: none;
}

/* Markdown Rendering Elements Styles */
.ctf-rendered-content {
    font-size: 15px;
    line-height: 1.7;
    color: var(--cyber-text-primary);
}

.ctf-rendered-content h1, 
.ctf-rendered-content h2, 
.ctf-rendered-content h3, 
.ctf-rendered-content h4 {
    color: var(--cyber-text-primary);
    margin-top: 35px;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.ctf-rendered-content h1 { font-size: 1.8rem; border-bottom: 1px solid var(--cyber-border); padding-bottom: 8px; }
.ctf-rendered-content h2 { font-size: 1.4rem; border-bottom: 1px dashed var(--cyber-border); padding-bottom: 6px; }
.ctf-rendered-content h3 { font-size: 1.15rem; }
.ctf-rendered-content h4 { font-size: 1rem; }

.ctf-rendered-content p {
    margin-top: 0;
    margin-bottom: 18px;
    color: var(--cyber-text-secondary);
}

.ctf-rendered-content strong {
    color: var(--cyber-text-primary);
    font-weight: 700;
}

.ctf-rendered-content hr {
    height: 1px;
    border: none;
    background-color: var(--cyber-border);
    margin: 30px 0;
}

/* Markdown lists */
.ctf-rendered-content ul, 
.ctf-rendered-content ol {
    margin-top: 0;
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--cyber-text-secondary);
}

.ctf-rendered-content li {
    margin-bottom: 8px;
}

.ctf-rendered-content li::marker {
    color: var(--cyber-accent);
}

/* Code Blocks Styling */
.ctf-rendered-content pre {
    background: var(--cyber-code-bg);
    border: 1px solid var(--cyber-border);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin: 20px 0;
    position: relative;
}

.ctf-rendered-content pre code {
    font-family: var(--font-mono);
    font-size: 13.5px;
    color: var(--cyber-code-text);
    background: transparent;
    padding: 0;
    border-radius: 0;
    line-height: 1.6;
    border: none;
    display: block;
}

.ctf-rendered-content code {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--cyber-accent);
    background: var(--cyber-accent-glow);
    padding: 3px 6px;
    border-radius: 6px;
    border: 1px solid var(--cyber-accent-glow);
}

/* Copy code block overlay button */
.code-block-copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text-secondary);
    font-size: 11px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0;
    backdrop-filter: blur(4px);
    font-family: var(--font-mono);
}

.ctf-rendered-content pre:hover .code-block-copy-btn {
    opacity: 1;
}

.code-block-copy-btn:hover {
    color: var(--cyber-accent);
    border-color: var(--cyber-accent);
    background: rgba(163, 230, 53, 0.05);
}

/* Blockquotes */
.ctf-rendered-content blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.01);
    border-left: 4px solid var(--cyber-accent);
    border-radius: 0 8px 8px 0;
    color: var(--cyber-text-secondary);
}

.ctf-rendered-content blockquote p {
    margin: 0;
    font-style: italic;
}

/* Tables styling */
.ctf-rendered-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.ctf-rendered-content th, 
.ctf-rendered-content td {
    padding: 12px 16px;
    border: 1px solid var(--cyber-border);
    text-align: left;
}

.ctf-rendered-content th {
    background-color: rgba(255, 255, 255, 0.02);
    font-weight: 700;
    color: var(--cyber-text-primary);
}

.ctf-rendered-content tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.005);
}

.ctf-rendered-content tr:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

/* Event Grouping Styles */
.ctf-event-group {
    margin-bottom: 24px;
}

.ctf-event-group:last-child {
    margin-bottom: 0;
}

.ctf-event-group-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cyber-text-secondary);
    font-family: var(--font-mono);
    margin: 0 0 12px 0;
    padding-left: 8px;
    border-left: 2px solid var(--cyber-accent);
}

.ctf-event-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .ctf-layout-container {
        grid-template-columns: 280px 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .ctf-title-wrap h1 {
        font-size: 2.2rem;
    }
    
    .ctf-layout-container {
        grid-template-columns: 1fr;
    }
    
    .ctf-sidebar {
        position: static;
        max-height: none;
    }
    
    .ctf-writeup-view {
        padding: 24px;
    }
    
    .writeup-header-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .ctf-header-container {
        margin-top: 20px;
    }
    
    .ctf-title-wrap h1 {
        font-size: 1.8rem;
    }
    
    .ctf-stats-grid {
        grid-template-columns: 1fr;
    }
}