/* ============================================
   JT Thorne - Modern Portfolio Styles
   Sidebar Layout with Dark/Light Theme
   ============================================ */

/* CSS Variables - Theme System */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #191919;
    --bg-secondary: #191919;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-card-dark: #191919;
    --bg-nav-item: rgba(0, 0, 0, 0.15);
    --bg-hover: rgba(255, 255, 255, 0.05);
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    
    --accent-primary: #191919;
    --accent-secondary: #64748b;
    --accent-tertiary: #64748b;
    
    --border-color: transparent;
    --shadow-color: rgba(0, 0, 0, 0.5);
    
    --sidebar-width: 280px;
    --sidebar-collapsed: 0px;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f4f4f5;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-dark: #fafafa;
    --bg-nav-item: #f3f4f6;
    --bg-hover: rgba(0, 0, 0, 0.05);
    
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-tertiary: #71717a;
    
    --border-color: transparent;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    display: block;
}

p {
    margin-bottom: 0.5rem; /* Space before the list */
}

/* Standard list styling */
ul {
    margin: 0;
    padding: 0 0 0 1.2rem; /* Indent the whole list block */
    /* THIS IS THE FIX: */
    /* Enforces bullets and all lines of text to align left, with *all* text hanging outside the bullet point line. */
    list-style-position: outside;
}

li {
    margin-bottom: 0.5rem; /* Space between list items */
}

/* App Container */
.app {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--transition-base), width var(--transition-base);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Profile Card */
.profile-card {
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.profile-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 16px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid transparent;
    box-shadow: 0 0 30px rgba(25, 25, 25, 0.3);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.profile-links {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.profile-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    /*background: var(--bg-tertiary);*/
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
}

.profile-link:hover {
    background: transparent;
    color: var(--text-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

/* Navigation */
.nav {
    padding: 16px;
    flex: 1;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-nav-item);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-nav-item);
    color: var(--text-primary);
}

.nav-link i {
    width: 20px;
    text-align: center;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 40px;
    max-width: calc(100% - var(--sidebar-width));
}

.page-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 101;
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: transparent;
    border-color: transparent;
}

/* ============================================
   CONTENT CARDS
   ============================================ */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.content-card:hover {
    border-color: transparent;
    box-shadow: 0 10px 40px rgba(25, 25, 25, 0.1);
}

.content-card h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-card h2 i {
    color: transparent;
}

.content-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.content-card p:last-child {
    margin-bottom: 0;
}

.content-card strong {
    color: var(--text-primary);
}

/* Quote */
.quote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-primary);
    padding: 24px;
    background: linear-gradient(135deg, rgba(25, 25, 25, 0.1), rgba(25, 25, 25, 0.1));
    border-left: 4px solid transparent;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 24px 0;
}

.quote .highlight {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: transparent;
    transform: translateY(-4px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* ============================================
   PORTFOLIO GRID
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 20px 60px rgba(25, 25, 25, 0.15);
}

.project-header {
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-bottom: 1px solid var(--border-color);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.project-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 16px;
}

.project-description {
    flex: 1;
    margin-bottom: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(25, 25, 25, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: transparent;
}

.project-download {
    width: 100%;
    margin-top: auto;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -36px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: transparent;
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px transparent;
}

.timeline-content {
    background: var(--bg-card-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    border-color: transparent;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-tertiary);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-company {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   THEME TOGGLE (in sidebar)
   ============================================ */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin: 16px;
    background: var(--bg-nav-item);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-nav-item);
    opacity: 0.8;
    color: var(--text-primary);
    border-color: transparent;
}

.theme-toggle i {
    font-size: 1rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main {
        margin-left: 0;
        max-width: 100%;
        padding: 80px 24px 24px;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    .content-card {
        padding: 20px;
    }
    
    .main {
        padding: 80px 16px 16px;
    }
}

/* Overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}