/* ============================================================
   Eric Bochsler — Personal Website Styles
   ============================================================ */

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

:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --primary: #00d4ff;
    --secondary: #00ff88;
    --tertiary: #ff6b35;
    --text: #e0e0e0;
    --text-muted: #888888;
    --header-bg: rgba(10, 10, 15, 0.8);
    --header-bg-scroll: rgba(10, 10, 15, 0.95);
    --nav-mobile-bg: rgba(10, 10, 15, 0.97);
    --border-subtle: rgba(0, 212, 255, 0.08);
    --border-medium: rgba(0, 212, 255, 0.12);
    --card-border-hover: rgba(0, 212, 255, 0.25);
    --card-shadow-hover: rgba(0, 212, 255, 0.08);
    --tag-bg: rgba(0, 212, 255, 0.06);
    --skill-track-bg: rgba(0, 212, 255, 0.08);
    --terminal-bar-bg: rgba(255, 255, 255, 0.03);
    --terminal-bar-border: rgba(255, 255, 255, 0.06);
    --grid-color: rgba(0, 212, 255, 0.03);
    --particle-color: 0, 212, 255;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --header-h: 64px;
}

[data-theme="light"] {
    --bg: #f5f5fa;
    --bg-card: #ffffff;
    --primary: #0088cc;
    --secondary: #00994d;
    --tertiary: #d45a2a;
    --text: #1a1a2e;
    --text-muted: #555566;
    --header-bg: rgba(245, 245, 250, 0.85);
    --header-bg-scroll: rgba(245, 245, 250, 0.95);
    --nav-mobile-bg: rgba(245, 245, 250, 0.97);
    --border-subtle: rgba(0, 136, 204, 0.12);
    --border-medium: rgba(0, 136, 204, 0.18);
    --card-border-hover: rgba(0, 136, 204, 0.35);
    --card-shadow-hover: rgba(0, 136, 204, 0.1);
    --tag-bg: rgba(0, 136, 204, 0.08);
    --skill-track-bg: rgba(0, 136, 204, 0.1);
    --terminal-bar-bg: rgba(0, 0, 0, 0.04);
    --terminal-bar-border: rgba(0, 0, 0, 0.08);
    --grid-color: rgba(0, 136, 204, 0.06);
    --particle-color: 0, 136, 204;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--secondary);
}

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

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Background Canvas --- */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ============================================================
   Header
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-h);
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.3s;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Mode Toggle
   ============================================================ */
.mode-toggle {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    overflow: hidden;
}

.mode-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.mode-btn:hover {
    color: var(--primary);
}

.mode-btn.active {
    color: var(--primary);
    background: var(--tag-bg);
}

.mode-btn svg {
    width: 18px;
    height: 18px;
}

/* ---- Mode Toggle Icon Animations ---- */

/* Chart bars (Work icon) */
.chart-bar {
    transform-box: fill-box;
    transform-origin: center bottom;
    transform: scaleY(0.25);
    opacity: 0.3;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.3s ease;
}

.bar-2 { transition-delay: 0.07s; }
.bar-3 { transition-delay: 0.14s; }

.mode-btn:hover .chart-bar,
.mode-btn.active .chart-bar {
    transform: scaleY(1);
    opacity: 0.75;
}

/* Runner bounce (Run icon) */
@keyframes runner-bounce {
    0%, 100% { transform: translateY(0); }
    35% { transform: translateY(-2px) rotate(-4deg); }
    65% { transform: translateY(0.5px) rotate(1.5deg); }
}

.runner-figure {
    transform-box: fill-box;
    transform-origin: center center;
}

.mode-btn.active .runner-figure {
    animation: runner-bounce 0.5s ease 1;
}

.mode-btn:hover .runner-figure {
    animation: runner-bounce 0.35s ease 2;
}

/* Beer fill (Fun icon) */
.beer-liquid {
    transform-box: fill-box;
    transform-origin: center bottom;
    transform: scaleY(0);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.05s,
                opacity 0.3s ease;
}

.mode-btn:hover .beer-liquid,
.mode-btn.active .beer-liquid {
    transform: scaleY(1);
    opacity: 0.35;
}

.beer-foam circle {
    opacity: 0;
    transition: opacity 0.25s ease;
}

.mode-btn:hover .beer-foam circle,
.mode-btn.active .beer-foam circle {
    opacity: 0.6;
    transition-delay: 0.35s;
}

/* Beer bubbles */
@keyframes bubble-rise {
    0% { transform: translateY(0); opacity: 0; }
    15% { opacity: 0.4; }
    85% { opacity: 0.3; }
    100% { transform: translateY(-5px); opacity: 0; }
}

.beer-bubble {
    opacity: 0;
}

.mode-btn:hover .beer-bubble,
.mode-btn.active .beer-bubble {
    animation: bubble-rise 1.8s ease-in-out infinite;
}

.b2 { animation-delay: 0.6s; }
.b3 { animation-delay: 1.2s; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 1.5rem;
    padding-top: var(--header-h);
}

.hero-content {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.hero-text {
    flex: 1;
}

.hero-greeting {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    min-height: 1.2em;
}

.typing-text {
    color: var(--text);
}

.cursor {
    color: var(--primary);
    animation: blink 1s step-end infinite;
}

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

.hero-title {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 400;
}

.accent-amp {
    color: var(--primary);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.25s;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg);
}

.btn-primary:hover {
    background: #33dfff;
    color: var(--bg);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

/* Hero Image */
.hero-image {
    position: relative;
    flex-shrink: 0;
}

.headshot-frame {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
    position: relative;
    z-index: 2;
    background: var(--bg-card);
}

.headshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.headshot-placeholder {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--bg-card);
}

.headshot-data-ring {
    position: absolute;
    top: -12px;
    left: -12px;
    width: calc(100% + 24px);
    height: calc(100% + 24px);
    border-radius: 50%;
    border: 1px dashed rgba(0, 212, 255, 0.25);
    animation: spin 30s linear infinite;
    z-index: 1;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.7rem;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ============================================================
   Sections (shared)
   ============================================================ */
.section {
    position: relative;
    z-index: 1;
    padding: 6rem 0;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 3rem;
}

.section-number {
    color: var(--primary);
    font-size: 1rem;
    margin-right: 0.5rem;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   About
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.about-text p:last-child {
    margin-bottom: 0;
}

/* Terminal */
.skills-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    overflow: hidden;
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.75rem 1rem;
    background: var(--terminal-bar-bg);
    border-bottom: 1px solid var(--terminal-bar-border);
}

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

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1rem 1.25rem;
    font-size: 0.8rem;
    line-height: 1.7;
}

.terminal-body p {
    margin-bottom: 0.15rem;
}

.prompt {
    color: var(--secondary);
}

.terminal-output {
    color: var(--text-muted);
}

.key {
    color: var(--primary);
}

.val {
    color: var(--secondary);
}

.cursor-blink {
    animation: blink 1s step-end infinite;
    color: var(--secondary);
}

/* ============================================================
   Projects
   ============================================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-border-hover);
    box-shadow: 0 10px 40px var(--card-shadow-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.card-link {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: color 0.2s;
}

.card-link:hover {
    color: var(--primary);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.card-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    background: var(--tag-bg);
    padding: 0.25rem 0.65rem;
    border-radius: 3px;
}

/* ============================================================
   Resume
   ============================================================ */
.resume-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.resume-block-title {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

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

.timeline-marker {
    position: absolute;
    left: -1.5rem;
    top: 0.4rem;
    width: 9px;
    height: 9px;
    background: var(--primary);
    border-radius: 50%;
    transform: translateX(-4px);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--primary);
    display: block;
    margin-bottom: 0.3rem;
}

.timeline-role {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.15rem;
}

.timeline-company {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Skill Bars */
.skills-bars {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-bar {
    width: 100%;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.skill-name {
    font-size: 0.85rem;
    color: var(--text);
}

.skill-pct {
    font-size: 0.75rem;
    color: var(--primary);
}

.skill-track {
    width: 100%;
    height: 6px;
    background: var(--skill-track-bg);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
    transition: width 1s ease;
}

.skill-fill.animate {
    /* Width set via JS */
}

/* Education */
.education-item {
    padding: 1rem 0;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================
   Theme Toggle
   ============================================================ */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: color 0.2s, border-color 0.2s;
    margin-left: 1rem;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.theme-icon {
    width: 18px;
    height: 18px;
}

/* Dark mode: show sun icon (click to go light), hide moon */
.theme-icon.sun { display: block; }
.theme-icon.moon { display: none; }

/* Light mode: show moon icon (click to go dark), hide sun */
[data-theme="light"] .theme-icon.sun { display: none; }
[data-theme="light"] .theme-icon.moon { display: block; }

/* Light mode card shadow */
[data-theme="light"] .project-card {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .project-card:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.12);
}

[data-theme="light"] .skills-terminal {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .headshot-frame {
    box-shadow: 0 0 30px rgba(0, 136, 204, 0.15);
}

[data-theme="light"] .headshot-data-ring {
    border-color: rgba(0, 136, 204, 0.2);
}

[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.25);
}

[data-theme="light"] .btn-outline:hover {
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.12);
}

[data-theme="light"] .timeline-marker {
    box-shadow: 0 0 8px rgba(0, 136, 204, 0.35);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .headshot-frame {
        width: 200px;
        height: 200px;
    }

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

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

    .resume-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-h);
        right: 0;
        width: 100%;
        background: var(--nav-mobile-bg);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s, opacity 0.35s;
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 0.75rem 0;
        font-size: 1rem;
    }

    .mode-toggle {
        margin: 0.75rem 0;
    }

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

    .hero-name {
        font-size: 2.2rem;
    }

    .headshot-frame {
        width: 170px;
        height: 170px;
    }

    .section {
        padding: 4rem 0;
    }
}

/* ============================================================
   Running Page
   ============================================================ */

/* --- Running Hero --- */
.running-hero {
    position: relative;
    z-index: 1;
    padding-top: calc(var(--header-h) + 4rem);
    padding-bottom: 2rem;
}

.running-hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.running-hero-text {
    flex: 1;
}

.running-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.running-hero-month {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Stat Cards --- */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 30px var(--card-shadow-hover);
}

.stat-icon {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* --- Charts Layout --- */
.running-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-block {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.5rem;
}

.chart-title {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 1.25rem;
}

/* --- Calendar Heatmap --- */
.calendar-dual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calendar-month-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.5rem;
}

.calendar-labels {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 4px;
}

.calendar-labels span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-cell {
    aspect-ratio: 1;
    border-radius: 4px;
    background: var(--skill-track-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    position: relative;
    cursor: default;
}

.calendar-cell.empty {
    background: transparent;
}

.calendar-cell.active {
    background: rgba(0, 212, 255, calc(var(--intensity, 0) * 0.8));
    color: var(--text);
}

[data-theme="light"] .calendar-cell.active {
    background: rgba(0, 136, 204, calc(var(--intensity, 0) * 0.6));
    color: #fff;
}

.calendar-cell[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    color: var(--text);
    font-size: 0.7rem;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 10;
    pointer-events: none;
}

/* --- Horizontal Bar Chart --- */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hbar-row {
    display: grid;
    grid-template-columns: 72px 1fr 36px;
    gap: 0.6rem;
    align-items: center;
}

.hbar-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
}

.hbar-track {
    height: 10px;
    background: var(--skill-track-bg);
    border-radius: 5px;
    overflow: hidden;
}

.hbar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 5px;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-chart.animate .hbar-fill {
    width: var(--target-width);
}

.hbar-value {
    font-size: 0.7rem;
    color: var(--text);
    text-align: right;
}

/* --- Workout Type Breakdown --- */
.type-breakdown {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.type-bars {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.type-row {
    display: grid;
    grid-template-columns: 100px 1fr 32px;
    gap: 0.75rem;
    align-items: center;
}

.type-label {
    font-size: 0.85rem;
    color: var(--text);
}

.type-track {
    height: 8px;
    background: var(--skill-track-bg);
    border-radius: 4px;
    overflow: hidden;
}

.type-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.8s ease;
}

.type-count {
    font-size: 0.8rem;
    color: var(--primary);
    text-align: right;
}

/* --- Route Map Cards --- */
.route-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.route-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.route-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-border-hover);
    box-shadow: 0 10px 40px var(--card-shadow-hover);
}

.route-map {
    width: 100%;
    height: 220px;
    background: var(--bg);
}

.route-details {
    padding: 1.25rem;
}

.route-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.route-date {
    font-size: 0.75rem;
    color: var(--primary);
    display: block;
    margin-bottom: 0.75rem;
}

.route-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.route-stat {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.route-stat-value {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
}

.route-stat-unit {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* --- Featured Region Maps --- */
.featured-maps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.featured-region-map {
    position: relative;
    width: 100%;
    height: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.featured-region-map:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 10px 40px var(--card-shadow-hover);
}

.featured-region-label {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    z-index: 2;
    pointer-events: none;
}

[data-theme="light"] .featured-region-map {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .featured-region-map:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.12);
}

/* --- Featured City Badge & Aggregate --- */
.featured-city-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}

.featured-city-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--primary);
    background: var(--tag-bg);
    padding: 0.2rem 0.55rem;
    border-radius: 3px;
    letter-spacing: 0.02em;
}

.featured-city-aggregate {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* --- Error State --- */
.running-error {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 2rem;
}

.running-error code {
    font-family: var(--font-mono);
    color: var(--primary);
    background: var(--tag-bg);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
}

/* --- Active Nav Link --- */
.nav-link.active {
    color: var(--primary);
}

/* --- Light mode running cards --- */
[data-theme="light"] .stat-card {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .stat-card:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.12);
}

[data-theme="light"] .chart-block {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .type-breakdown {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .route-card {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .route-card:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.12);
}

/* --- Goal Tracker --- */
.goal-section {
    padding-top: 2rem;
    padding-bottom: 0;
}

.goal-tracker {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 2rem;
}

.goal-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.goal-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

.goal-track-wrapper {
    margin-bottom: 1.75rem;
}

.goal-markers {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.goal-marker {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.goal-track {
    position: relative;
    width: 100%;
    height: 12px;
    background: var(--skill-track-bg);
    border-radius: 6px;
    overflow: visible;
}

.goal-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 6px;
    transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.goal-runner {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%) scaleX(-1);
    font-size: 1.5rem;
    transition: left 1.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 2;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.4));
}

.goal-finish {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
    font-size: 1.3rem;
    z-index: 1;
}

.goal-stats {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.goal-stat {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.goal-stat-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
}

.goal-stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

[data-theme="light"] .goal-tracker {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .goal-runner {
    filter: drop-shadow(0 0 6px rgba(0, 136, 204, 0.3));
}

/* --- Running Page Responsive --- */
@media (max-width: 900px) {
    .running-hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }

    .stat-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .running-charts {
        grid-template-columns: 1fr;
    }

    .route-cards {
        grid-template-columns: 1fr 1fr;
    }

    .featured-maps-grid {
        grid-template-columns: 1fr;
    }

    .featured-region-map {
        height: 300px;
    }
}

@media (max-width: 640px) {
    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .route-cards {
        grid-template-columns: 1fr;
    }

    .featured-region-map {
        height: 250px;
    }

    .type-row {
        grid-template-columns: 80px 1fr 28px;
    }

    .hbar-row {
        grid-template-columns: 60px 1fr 30px;
    }

    .hbar-label {
        font-size: 0.58rem;
    }

    .goal-tracker {
        padding: 1.5rem 1rem;
    }

    .goal-stats {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .goal-stat-value {
        font-size: 1.4rem;
    }

    .goal-runner {
        font-size: 1.2rem;
    }
}

/* ============================================================
   Fun Page — Venue Map, Leaderboards, Popups
   ============================================================ */

/* --- Stat cards: 4-column grid for fun page --- */
.fun-stat-cards {
    grid-template-columns: repeat(4, 1fr);
}

/* --- Venue Map Container --- */
.venue-map-container {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.venue-map-container:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 10px 40px var(--card-shadow-hover);
}

#venue-map {
    width: 100%;
    height: 500px;
}

[data-theme="light"] .venue-map-container {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .venue-map-container:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.12);
}

/* --- Venue Leaderboard Rows (wider labels) --- */
.venue-hbar-row {
    grid-template-columns: 160px 1fr 36px;
}

.venue-hbar-label {
    font-family: var(--font-body);
    font-size: 0.78rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Leaflet Popup Overrides --- */
.leaflet-popup-content-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.leaflet-popup-tip {
    background: var(--bg-card);
}

.venue-popup {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.1rem 0;
}

.venue-popup-name {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--primary);
}

.venue-popup-cat {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.venue-popup-stat {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text);
}

/* --- Fun Page Responsive --- */
@media (max-width: 900px) {
    .fun-stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    #venue-map {
        height: 400px;
    }

    .venue-hbar-row {
        grid-template-columns: 130px 1fr 36px;
    }
}

@media (max-width: 640px) {
    #venue-map {
        height: 300px;
    }

    .venue-hbar-row {
        grid-template-columns: 100px 1fr 30px;
    }

    .venue-hbar-label {
        font-size: 0.7rem;
    }
}