/* Terminal43CTF - Custom Styles */

:root {
    --bg-primary: #0A0E1A;
    --bg-surface: #111827;
    --bg-hover: #1a2332;
    --border-color: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --cyan: #00F0FF;
    --green: #39FF14;
    --red: #FF3131;
    --yellow: #FFD600;
    --purple: #A855F7;
}

html:not(.dark) {
    --bg-primary: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-hover: #F1F5F9;
    --border-color: #E2E8F0;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --cyan: #0891B2;
    --green: #10B981;
}

::selection { background: rgba(0, 240, 255, 0.3); color: #F8FAFC; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

.nav-link {
    padding: 0.5rem 0.75rem; border-radius: 0.5rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.875rem;
    transition: all 0.2s; color: var(--text-secondary);
}
.nav-link:hover { color: var(--cyan); background: rgba(0, 240, 255, 0.05); }

.mobile-nav-link {
    display: block; padding: 0.5rem 0.75rem; border-radius: 0.5rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.875rem;
    color: var(--text-secondary); transition: all 0.2s;
}
.mobile-nav-link:hover { color: var(--cyan); background: rgba(0, 240, 255, 0.05); }

.dropdown-link {
    display: block; padding: 0.5rem 1rem; font-size: 0.875rem;
    font-family: 'JetBrains Mono', monospace; color: var(--text-secondary); transition: all 0.2s;
}
.dropdown-link:hover { color: var(--cyan); background: rgba(0, 240, 255, 0.05); }

.glitch-text { position: relative; }
.glitch-text:hover { animation: glitch 0.3s ease-in-out; }
@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(2px, -2px); }
    60% { transform: translate(-1px, -1px); }
    80% { transform: translate(1px, 1px); }
}

.terminal-card {
    background: var(--bg-surface); border: 1px solid var(--border-color);
    border-radius: 0.75rem; overflow: hidden; transition: all 0.3s;
}
.terminal-card:hover { border-color: rgba(0, 240, 255, 0.3); box-shadow: 0 0 20px rgba(0, 240, 255, 0.05); }
.terminal-card-header {
    padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 0.5rem;
}
.terminal-dot { width: 0.75rem; height: 0.75rem; border-radius: 50%; }

.btn-cyber {
    padding: 0.625rem 1.25rem; border-radius: 0.5rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.875rem;
    font-weight: 500; transition: all 0.3s; position: relative; overflow: hidden;
}
.btn-cyber-cyan {
    background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.3); color: var(--cyan);
}
.btn-cyber-cyan:hover { background: rgba(0, 240, 255, 0.2); box-shadow: 0 0 15px rgba(0, 240, 255, 0.15); }
.btn-cyber-green {
    background: rgba(57, 255, 20, 0.1); border: 1px solid rgba(57, 255, 20, 0.3); color: var(--green);
}
.btn-cyber-green:hover { background: rgba(57, 255, 20, 0.2); box-shadow: 0 0 15px rgba(57, 255, 20, 0.15); }
.btn-cyber-red {
    background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #ef4444;
}
.btn-cyber-red:hover { background: rgba(239, 68, 68, 0.2); box-shadow: 0 0 15px rgba(239, 68, 68, 0.15); }

.input-cyber {
    width: 100%; padding: 0.625rem 1rem; border-radius: 0.5rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.875rem;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    color: var(--text-primary); transition: all 0.3s; outline: none;
}
.input-cyber:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1); }
.input-cyber::placeholder { color: var(--text-secondary); opacity: 0.5; }

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 240, 255, 0.2); }
    50% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.4); }
}
.pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }

.typing-cursor::after { content: '|'; animation: blink 1s step-end infinite; color: var(--cyan); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.badge {
    display: inline-flex; align-items: center; padding: 0.125rem 0.5rem;
    border-radius: 9999px; font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem; font-weight: 500;
}

.difficulty-dots { display: inline-flex; gap: 0.25rem; }
.difficulty-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--border-color); }
.difficulty-dot.active { background: var(--cyan); box-shadow: 0 0 6px rgba(0, 240, 255, 0.5); }

/* Markdown rendered content */
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700; color: var(--text-primary); line-height: 1.3;
}
.markdown-body h1 { font-size: 1.5rem; margin: 1.5em 0 0.75em; }
.markdown-body h2 {
    font-size: 1.3rem; color: var(--cyan); margin: 1.75em 0 0.6em;
    padding-bottom: 0.4em; border-bottom: 1px solid var(--border-color);
}
.markdown-body h3 { font-size: 1.1rem; margin: 1.5em 0 0.5em; color: var(--green); }
.markdown-body h4 { font-size: 1rem; margin: 1.25em 0 0.4em; }
.markdown-body p { margin: 0.75em 0; line-height: 1.8; }
.markdown-body ul, .markdown-body ol { margin: 0.75em 0; padding-left: 1.75em; }
.markdown-body li { margin: 0.35em 0; line-height: 1.7; }
.markdown-body ul li { list-style: disc; }
.markdown-body ul li::marker { color: var(--cyan); }
.markdown-body ol li { list-style: decimal; }
.markdown-body ol li::marker { color: var(--cyan); font-weight: 600; }
.markdown-body li > ul, .markdown-body li > ol { margin: 0.25em 0; }
.markdown-body code {
    font-family: 'JetBrains Mono', monospace; font-size: 0.85em;
    padding: 0.2em 0.45em; border-radius: 0.3rem;
    background: rgba(0, 240, 255, 0.08); color: var(--cyan);
    border: 1px solid rgba(0, 240, 255, 0.12);
}
.markdown-body pre {
    position: relative; margin: 1.25em 0; padding: 1.25em; border-radius: 0.5rem;
    overflow-x: auto; background: #0d1117; border: 1px solid var(--border-color);
}
.markdown-body pre code {
    padding: 0; background: none; color: #e6edf3; font-size: 0.85em;
    border: none; line-height: 1.6;
}
.markdown-body pre .code-copy-btn {
    position: absolute; top: 0.5rem; right: 0.5rem;
    padding: 0.25rem 0.5rem; border-radius: 0.25rem; font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace; cursor: pointer;
    background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--cyan); opacity: 0; transition: opacity 0.2s;
}
.markdown-body pre:hover .code-copy-btn { opacity: 1; }
.markdown-body pre .code-copy-btn:hover {
    background: rgba(0, 240, 255, 0.2); border-color: rgba(0, 240, 255, 0.4);
}
.markdown-body pre .code-lang-label {
    position: absolute; top: 0; right: 0; padding: 0.15rem 0.6rem;
    font-size: 0.65rem; font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary); background: var(--border-color);
    border-radius: 0 0.5rem 0 0.35rem; opacity: 0.7;
}
.markdown-body blockquote {
    margin: 1em 0; padding: 0.75em 1.25em;
    border-left: 3px solid var(--cyan); background: rgba(0, 240, 255, 0.03);
    border-radius: 0 0.35rem 0.35rem 0;
}
.markdown-body blockquote p { margin: 0.4em 0; }
.markdown-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }
.markdown-body a:hover { opacity: 0.8; }
.markdown-body strong { color: var(--text-primary); font-weight: 600; }
.markdown-body em { font-style: italic; }
.markdown-body hr { border: none; border-top: 1px solid var(--border-color); margin: 2em 0; }
.markdown-body table { width: 100%; border-collapse: collapse; margin: 1.25em 0; font-size: 0.9em; }
.markdown-body th, .markdown-body td {
    padding: 0.6em 0.85em; border: 1px solid var(--border-color); text-align: left;
}
.markdown-body th {
    background: rgba(0, 240, 255, 0.05); font-weight: 600; color: var(--cyan);
}
.markdown-body tr:nth-child(even) td { background: rgba(0, 240, 255, 0.02); }
.markdown-body img { max-width: 100%; border-radius: 0.5rem; margin: 1em 0; }

/* Override highlight.js background to match our terminal theme */
.markdown-body pre code.hljs { background: transparent; padding: 0; }

/* Activity Heatmap */
.heatmap-cell-dark { background: #1e293b; }
.heatmap-cell-dark[data-level="1"] { background: #0e4429; }
.heatmap-cell-dark[data-level="2"] { background: #006d32; }
.heatmap-cell-dark[data-level="3"] { background: #26a641; }
.heatmap-cell-dark[data-level="4"] { background: #39FF14; }
.heatmap-cell-dark[data-level="-1"] { background: transparent; }

.heatmap-cell-light { background: #ebedf0; }
.heatmap-cell-light[data-level="1"] { background: #9be9a8; }
.heatmap-cell-light[data-level="2"] { background: #40c463; }
.heatmap-cell-light[data-level="3"] { background: #30a14e; }
.heatmap-cell-light[data-level="4"] { background: #216e39; }
.heatmap-cell-light[data-level="-1"] { background: transparent; }

/* ── Vanilla JS component utilities ─────────────────────────────────── */
[data-cloak] { display: none !important; }
[data-dropdown-menu] {
    transition: opacity 100ms ease-out, transform 100ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}