/* ========================================
   Portfolio - Hybrid Design System
   Terminal + VS Code + GitHub aesthetic
   ======================================== */

/* ─── CSS Variables ─── */
:root {
    /* Color Palette - Dark Theme */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;

    /* Terminal Colors */
    --terminal-green: #3fb950;
    --terminal-cyan: #58a6ff;
    --terminal-purple: #bc8cff;
    --terminal-yellow: #f0ca4d;
    --terminal-red: #ff6b6b;

    /* Text Colors */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    /* Syntax Highlighting */
    --syntax-keyword: #ff7b72;
    --syntax-variable: #ffa657;
    --syntax-string: #a5d6ff;
    --syntax-comment: #8b949e;
    --syntax-function: #d2a8ff;

    /* Border & Effects */
    --border-color: #30363d;
    --border-accent: #58a6ff;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);

    /* Glassmorphism */
    --glass-bg: rgba(22, 27, 34, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    border: 1px solid var(--terminal-green);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* スクロールバーのカスタマイズ */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 6px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* ─── Terminal Header ─── */
.terminal-header {
    background: #3c3c3c;
    padding: var(--spacing-md);
}

.terminal-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: #3c3c3c;
}

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

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.terminal-btn:hover {
    transform: scale(1.1);
}

.terminal-btn-close {
    background: #ff5f56;
}

.terminal-btn-minimize {
    background: #ffbd2e;
}

.terminal-btn-maximize {
    background: #27c93f;
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #ffd700;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
}

.terminal-title .username {
    color: #7fff00;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(127, 255, 0, 0.5);
}

.terminal-section {
    position: relative;
    background: #000 url('./images/bg.jpg') center center / cover no-repeat;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.terminal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 0;
}

.terminal-content {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.terminal-line {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.prompt {
    color: var(--terminal-green);
    font-weight: 600;
}

.command {
    color: var(--terminal-cyan);
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }

    51%, 100% {
        opacity: 0;
    }
}

.terminal-output {
    margin: var(--spacing-md) 0 var(--spacing-xl) 0;
    padding-left: var(--spacing-lg);
}

.terminal-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--terminal-cyan);
    margin-bottom: var(--spacing-lg);
}

.typing-text {
    font-size: 0;
    display: inline-block;
}

.typing-text::after {
    content: attr(data-text);
    font-size: 2.5rem;
    animation:
        typing 3s steps(30) 1s forwards,
        cursor-blink 0.75s step-end 1s 4,
        hide-cursor 0s 4.5s forwards;
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
    border-right: 2px solid var(--terminal-green);
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes cursor-blink {
    50% {
        border-right-color: transparent;
    }
}

@keyframes hide-cursor {
    to {
        border-right-color: transparent;
    }
}

.terminal-subtitle {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1.1rem;
}

/* ─── VS Code Navigation ─── */
.vscode-nav {
    background: #1e1e1e;
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.tabs {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: thin;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .tabs {
        padding: 0 var(--spacing-xs);
    }

    .tab {
        padding: 8px 12px;
        font-size: 0.875rem;
    }

    .tab-icon {
        font-size: 1rem;
    }

    .tab-label {
        font-size: 0.875rem;
    }
}

.tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab.active {
    background: var(--bg-primary);
    color: var(--terminal-cyan);
    border-bottom-color: var(--terminal-cyan);
}

.tab-icon {
    font-size: 1.25rem;
}

.tab-label {
    font-weight: 500;
}

/* ─── Main Content ─── */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    background: #181818;
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md) var(--spacing-xs);
    }
}

.content-wrapper {
    position: relative;
}

.content-section {
    display: none;
    animation: fadeIn var(--transition-base);
}

.content-section.active {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}



@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Line Numbers ─── */
.line-numbers {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(30, min-content);
    align-items: flex-end;
    padding-right: var(--spacing-md);
    border-right: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    -webkit-user-select: none;
    user-select: none;
    counter-reset: line-number;
}

.line-numbers span {
    display: none;
}

.line-numbers::before {
    content: "1\A 2\A 3\A 4\A 5\A 6\A 7\A 8\A 9\A 10\A 11\A 12\A 13\A 14\A 15\A 16\A 17\A 18\A 19\A 20\A 21\A 22\A 23\A 24\A 25\A 26\A 27\A 28\A 29\A 30\A 31\A 32\A 33\A 34\A 35\A 36\A 37\A 38\A 39\A 40\A 41\A 42\A 43\A 44\A 45\A 46\A 47\A 48\A 49\A 50";
    white-space: pre;
    line-height: 1.8;
    text-align: right;
}

/* ─── Code Content ─── */
.code-content {
    padding-left: var(--spacing-md);
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.comment {
    color: var(--syntax-comment);
    font-style: italic;
}

/* ─── About Section ─── */
.readme-content {
    max-width: 900px;
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.highlight {
    color: var(--terminal-cyan);
    font-weight: 600;
    background: linear-gradient(to right, var(--terminal-cyan), var(--terminal-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) auto;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin: var(--spacing-md) auto;
    }
}

.stat-card {
    background: rgba(13, 17, 23, 0.6);
    border: 2px solid var(--terminal-cyan);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    cursor: default;
    box-shadow:
        0 0 30px rgba(88, 166, 255, 0.3),
        inset 0 0 20px rgba(88, 166, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(88, 166, 255, 0.1) 50%,
            transparent 70%);
    animation: card-shimmer 3s infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card:hover::before {
    opacity: 1;
}

@keyframes card-shimmer {
    0% {
        transform: translate(-100%, -100%) rotate(45deg);
    }

    100% {
        transform: translate(100%, 100%) rotate(45deg);
    }
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--terminal-green);
    box-shadow:
        0 0 40px rgba(63, 185, 80, 0.5),
        0 8px 32px rgba(88, 166, 255, 0.4),
        inset 0 0 30px rgba(88, 166, 255, 0.15);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px rgba(88, 166, 255, 0.5));
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--terminal-cyan);
    text-shadow:
        0 0 20px rgba(88, 166, 255, 0.8),
        0 0 40px rgba(88, 166, 255, 0.4);
    font-family: var(--font-mono);
}

.stat-card:hover .stat-number {
    color: var(--terminal-green);
    text-shadow:
        0 0 20px rgba(63, 185, 80, 0.8),
        0 0 40px rgba(63, 185, 80, 0.4);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    line-height: 1.4;
    text-align: center;
    word-break: break-word;
    font-weight: 600;
    font-family: var(--font-sans);
}

.stat-progress {
    margin-top: 1rem;
    height: 4px;
    background: rgba(88, 166, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.stat-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--terminal-cyan), var(--terminal-green));
    animation: progress-load 2s ease-out forwards;
    width: 0;
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.8);
}

@keyframes progress-load {
    to {
        width: 100%;
    }
}

.stat-icon-decoration {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    opacity: 0.4;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.stat-card:hover .stat-icon-decoration {
    opacity: 0.8;
    transform: rotate(15deg);
}


/* ─── Skills Section ─── */
.skills-container {
    display: grid;
    gap: var(--spacing-xl);
}

.skill-category {
    font-family: var(--font-mono);
}

.category-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.keyword {
    color: var(--syntax-keyword);
}

.variable {
    color: var(--syntax-variable);
}

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

.bracket {
    color: var(--terminal-cyan);
    font-size: 1.25rem;
}

.skill-items {
    margin: var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);
    display: grid;
    gap: var(--spacing-md);
}

.skill-item {
    display: grid;
    grid-template-columns: 200px 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
}

.skill-name {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.skill-bar {
    background: var(--bg-tertiary);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

/* Skills List Style */
.skill-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.skill-point {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(88, 166, 255, 0.05);
    border-left: 3px solid var(--terminal-cyan);
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: default;
}

.skill-point:hover {
    background: rgba(88, 166, 255, 0.1);
    border-left-color: var(--terminal-green);
    transform: translateX(5px);
}

.skill-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.skill-text {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}

/* Skill Introduction */
.skill-intro {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(63, 185, 80, 0.05);
    border-left: 4px solid var(--terminal-green);
    border-radius: 6px;
}

.skill-lead {
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.skill-description {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}



/* ─── Projects Section ─── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding-top: var(--spacing-md);
    }
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--terminal-cyan);
    box-shadow: 0 12px 32px rgba(88, 166, 255, 0.3);
}

.project-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.project-icon {
    font-size: 2rem;
}

.project-title {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.project-star {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-star:hover {
    background: var(--bg-hover);
    border-color: var(--terminal-yellow);
    color: var(--terminal-yellow);
}

.star-count {
    font-weight: 600;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 4px 12px;
    font-size: 0.75rem;
    color: var(--terminal-cyan);
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--bg-hover);
    border-color: var(--terminal-cyan);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.project-language {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.lang-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.project-link {
    color: var(--terminal-cyan);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.project-link:hover {
    color: var(--terminal-purple);
    transform: translateX(4px);
}

/* ─── Timeline Section ─── */
.git-timeline {
    display: grid;
    gap: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-xl);
}

.git-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--terminal-green), var(--terminal-cyan), var(--terminal-purple));
}

.git-commit {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    position: relative;
}

.commit-hash {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--terminal-yellow);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    height: fit-content;
    position: relative;
}

.commit-hash::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--terminal-green);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--terminal-green);
}

.commit-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.commit-content:hover {
    border-color: var(--terminal-cyan);
    transform: translateX(8px);
}

.commit-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.commit-date {
    font-size: 0.875rem;
    color: var(--terminal-cyan);
    margin-bottom: var(--spacing-sm);
}

.commit-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ─── Contact Section ─── */

/* ─── Contact Section ─── */
.contact-container {
    display: flex;
    flex-direction: column;
}

/* Primary Contact Block */
.primary-contact {
    margin: var(--spacing-md) var(--spacing-xl) var(--spacing-lg) var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1) 0%, rgba(63, 185, 80, 0.1) 100%);
    border: 2px solid var(--terminal-cyan);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.primary-contact::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--terminal-cyan), var(--terminal-green));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.primary-contact:hover::before {
    opacity: 0.1;
}

.contact-code {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.primary-contact-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-icon {
    font-size: 3rem;
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

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

    50% {
        transform: scale(1.1);
    }
}

.contact-text {
    flex: 1;
}

.contact-method-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--terminal-cyan);
    margin-bottom: var(--spacing-xs);
}

.contact-description {
    font-size: 1rem;
    color: var(--terminal-green);
    margin-bottom: var(--spacing-xs);
}

.contact-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Channels */
.contact-channels {
    font-family: var(--font-mono);
    margin: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
}

.channels-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.contact-channel-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

@media (max-width: 768px) {
    .contact-channel-list {
        grid-template-columns: 1fr;
        padding-left: 0;
        gap: var(--spacing-sm);
    }
}

.contact-channel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    text-decoration: none;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.contact-channel:hover {
    background: var(--bg-hover);
    border-color: var(--terminal-cyan);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(88, 166, 255, 0.2);
}

.channel-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.channel-header svg {
    flex-shrink: 0;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.contact-channel:hover .channel-header svg {
    color: var(--terminal-cyan);
}

.channel-name {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.channel-purpose {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.channel-response {
    font-size: 0.875rem;
    color: var(--terminal-cyan);
    font-family: var(--font-mono);
}

/* Response Stats */
.contact-stats {
    margin-top: var(--spacing-xl);
    font-family: var(--font-mono);
}

.stats-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.stats-grid-contact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.stat-item:hover {
    border-color: var(--terminal-green);
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--terminal-cyan);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

/* Communication Guidelines */
.contact-guidelines {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(63, 185, 80, 0.05);
    border-left: 3px solid var(--terminal-green);
    border-radius: 8px;
}

.guidelines-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--syntax-comment);
}

.guidelines-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    transition: all 0.3s ease;
}

.guideline-item:hover {
    transform: translateX(5px);
}

.guideline-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.guideline-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
}

/* Responsive Design */
@media (max-width: 768px) {
    .primary-contact-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-icon {
        font-size: 2.5rem;
    }

    .contact-method-title {
        font-size: 1.25rem;
    }

    .contact-channel-list {
        grid-template-columns: 1fr;
        padding-left: var(--spacing-sm);
    }

    .stats-grid-contact {
        grid-template-columns: 1fr;
        padding-left: var(--spacing-sm);
    }

    .stat-item {
        justify-content: center;
    }
}

/* Keep remaining styles below */
.terminal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.terminal-box-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terminal-box-content {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-box-content code {
    color: var(--text-primary);
}

.terminal-box-content .comment {
    color: var(--syntax-comment);
}

.social-links {
    display: grid;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--bg-hover);
    border-color: var(--terminal-cyan);
    color: var(--terminal-cyan);
    transform: translateX(8px);
}

.social-link svg {
    flex-shrink: 0;
}


/* ─── Footer ─── */
.terminal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-left,
.footer-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-center {
    text-align: center;
    font-family: var(--font-mono);
}

.footer-icon {
    font-size: 1.25rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--terminal-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(63, 185, 80, 0.7);
    }

    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 4px rgba(63, 185, 80, 0);
    }
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.footer-social-icon {
    font-size: 1.8rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.footer-social-icon:hover {
    transform: translateY(-3px) scale(1.2);
    filter: drop-shadow(0 0 10px rgba(88, 166, 255, 0.6));
}

/* ─── Responsive Design ─── */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .terminal-name {
        font-size: 1.5rem;
    }

    .terminal-output {
        padding-left: var(--spacing-sm);
    }

    .terminal-subtitle {
        font-size: 0.9rem;
    }

    .content-section.active {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .line-numbers {
        display: none;
    }

    .code-content {
        padding-left: 0;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .skill-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .skill-list {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .skill-point {
        padding: 0.5rem 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .project-card {
        padding: var(--spacing-sm);
    }

    .project-title {
        font-size: 1rem;
    }

    .git-timeline {
        padding-left: var(--spacing-md);
    }

    .commit-hash::before {
        left: -18px;
        width: 10px;
        height: 10px;
    }

    .primary-contact {
        margin: var(--spacing-md) 0;
        padding: var(--spacing-md);
    }

    .contact-channels {
        margin: var(--spacing-md) 0;
    }

    .channels-title {
        font-size: 1rem;
    }

    .contact-guidelines {
        padding: var(--spacing-md);
    }

    .guideline-text {
        font-size: 0.875rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .footer-left,
    .footer-right {
        justify-content: center;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .terminal-name {
        font-size: 1.2rem;
    }

    .typing-text::after {
        font-size: 2rem;
        white-space: normal;
        word-break: break-word;
    }

    .terminal-subtitle {
        font-size: 0.8rem;
    }

    .terminal-section {
        padding: var(--spacing-md) var(--spacing-xs);
    }

    .stat-card {
        padding: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }
}

/* ─── Accessibility ─── */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ─── Focus Styles ─── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--terminal-cyan);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── Selection ─── */
::selection {
    background: var(--terminal-cyan);
    color: var(--bg-primary);
}

/* ─── Markdown Editor Styles ─── */
.markdown-editor {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.markdown-editor:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg);
}

/* Editor Header */
.editor-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
}

.file-icon {
    font-size: 1.2rem;
}

.file-name {
    color: var(--text-primary);
    font-weight: 500;
}

.file-status {
    margin-left: auto;
    color: var(--terminal-yellow);
    font-size: 0.75rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Markdown Content */
.markdown-content {
    padding: var(--spacing-lg);
    line-height: 1.8;
}

/* Markdown Headings */
.md-heading {
    color: var(--terminal-cyan);
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    padding-left: var(--spacing-xs);
    border-left: 3px solid var(--terminal-cyan);
    display: inline-block;
}

.md-heading:first-child {
    margin-top: 0;
}

/* Markdown Paragraphs */
.md-paragraph {
    color: var(--text-primary);
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    line-height: 1.8;
    font-size: 1rem;
}

/* Markdown Lists */
.md-list {
    list-style: none;
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.md-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.md-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--terminal-green);
    font-weight: bold;
    font-size: 1.1rem;
}

.md-list li:hover {
    color: var(--terminal-cyan);
    transition: color 0.2s ease;
}

.md-list li:hover::before {
    color: var(--terminal-cyan);
    transform: translateX(3px);
    transition: all 0.2s ease;
}

/* Markdown Blockquote */
.md-blockquote {
    background: var(--bg-secondary);
    border-left: 4px solid var(--terminal-purple);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-radius: 0 6px 6px 0;
    position: relative;
    overflow: hidden;
}

.md-blockquote::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg,
            var(--terminal-purple),
            var(--terminal-cyan));
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.md-blockquote p {
    margin: 0;
    color: var(--text-primary);
    font-style: italic;
    line-height: 1.7;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .markdown-content {
        padding: var(--spacing-sm);
    }

    .md-heading {
        font-size: 1rem;
    }

    .md-paragraph {
        font-size: 0.9rem;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .md-list {
        padding-left: var(--spacing-sm);
    }

    .md-list li {
        font-size: 0.9rem;
    }

    .editor-header {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
}

.adspace {
    margin: var(--spacing-sm) auto;
    padding: var(--spacing-sm) var(--spacing-xl);
    width: 100%;
    position: relative;
}