/* Modern project index refresh */

:root {
    --project-surface: rgba(255, 255, 255, 0.88);
    --project-surface-strong: #ffffff;
    --project-border: rgba(31, 35, 40, 0.12);
    --project-muted: rgba(0, 0, 0, 0.62);
    --project-soft-blue: rgba(0, 122, 255, 0.08);
    --project-soft-cyan: rgba(90, 200, 250, 0.10);
    --project-soft-green: rgba(46, 160, 67, 0.10);
    --project-shadow: 0 18px 45px rgba(31, 35, 40, 0.08);
    --project-radius: 14px;
}

body.dark-mode {
    --project-surface: rgba(0, 64, 128, 0.72);
    --project-surface-strong: rgba(4, 48, 94, 0.94);
    --project-border: rgba(255, 255, 255, 0.14);
    --project-muted: rgba(255, 255, 255, 0.68);
    --project-soft-blue: rgba(90, 200, 250, 0.12);
    --project-soft-cyan: rgba(90, 200, 250, 0.10);
    --project-soft-green: rgba(52, 199, 89, 0.12);
    --project-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

body {
    padding-top: 0;
    background:
        radial-gradient(circle at 10% 4%, rgba(0, 122, 255, 0.09), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(46, 160, 67, 0.07), transparent 28%),
        var(--background-color);
}

main {
    width: min(1240px, calc(100% - 40px));
    margin: 0 auto;
    padding: 34px 0 76px;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--project-border);
    background: var(--navbar-background);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: none;
}

.logo img {
    border-radius: 10px;
}

.menu {
    gap: 4px;
}

.menu a,
.social-icons a,
.theme-toggle,
.lang-toggle {
    border-radius: 10px;
}

.menu a {
    padding: 8px 10px;
    color: var(--project-muted);
    font-weight: 650;
}

.menu a:hover {
    color: var(--primary-color);
    background: var(--project-soft-blue);
}

.social-icons a,
.theme-toggle,
.lang-toggle {
    border: 1px solid var(--project-border);
    background: var(--project-surface);
}

.decoration-dot {
    display: none;
}

.project-header {
    max-width: none;
    margin: 0 0 18px;
    padding: 34px;
    text-align: left;
    overflow: hidden;
    border: 1px solid var(--project-border);
    border-radius: 18px;
    background:
        linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(90, 200, 250, 0.05)),
        var(--project-surface-strong);
    box-shadow: var(--project-shadow);
}

.project-header::before,
.project-header::after {
    display: none;
}

.project-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.repo-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid var(--project-border);
    border-radius: 999px;
    background: var(--project-surface);
    color: var(--project-muted);
    font-size: 0.78rem;
    font-weight: 750;
}

.repo-chip-blue {
    color: var(--primary-color);
    background: var(--project-soft-blue);
}

.project-header h1 {
    margin: 0;
    color: var(--text-color);
    background: none;
    -webkit-text-fill-color: currentColor;
    text-shadow: none;
    font-size: clamp(2.1rem, 5vw, 4.25rem);
    font-weight: 850;
    letter-spacing: 0;
    line-height: 1.05;
    animation: none;
}

.project-header p {
    max-width: 760px;
    margin: 16px 0 0;
    color: var(--project-muted);
    font-size: 1.02rem;
    line-height: 1.72;
    animation: none;
}

.project-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.project-hero-btn,
.project-link {
    text-decoration: none;
}

.project-hero-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid var(--project-border);
    border-radius: 10px;
    font-weight: 750;
}

.project-hero-btn.primary {
    color: #fff;
    border-color: rgba(0, 122, 255, 0.26);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.project-hero-btn.secondary {
    color: var(--text-color);
    background: var(--project-surface);
}

.project-hero-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 122, 255, 0.16);
}

.project-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
}

.project-stat {
    border: 1px solid var(--project-border);
    border-radius: 12px;
    padding: 13px 14px;
    background: rgba(255, 255, 255, 0.48);
}

body.dark-mode .project-stat {
    background: rgba(255, 255, 255, 0.05);
}

.project-stat strong {
    display: block;
    color: var(--text-color);
    font-size: 1.08rem;
    line-height: 1.2;
}

.project-stat span {
    display: block;
    margin-top: 4px;
    color: var(--project-muted);
    font-size: 0.78rem;
    font-weight: 650;
}

.disclaimer {
    max-width: none;
    margin: 0 0 18px;
    padding: 14px 16px;
    border: 1px solid var(--project-border);
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    background: var(--project-surface-strong);
    box-shadow: none;
    animation: none;
}

.disclaimer::before,
.disclaimer::after {
    display: none;
}

.disclaimer:hover {
    transform: none;
    box-shadow: none;
}

.disclaimer p {
    margin: 0;
    color: var(--project-muted);
    font-size: 0.92rem;
    line-height: 1.65;
    font-style: normal;
}

.project-filters {
    margin: 0 0 18px;
    padding: 16px;
    text-align: left;
    border: 1px solid var(--project-border);
    border-radius: var(--project-radius);
    background: var(--project-surface-strong);
    box-shadow: 0 1px 0 rgba(31, 35, 40, 0.04);
    animation: none;
}

.filter-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.filter-heading span {
    color: var(--primary-color);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.filter-heading strong {
    color: var(--text-color);
    font-size: 1.05rem;
}

.filter-group {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    margin: 0;
}

.filter-button,
.github-button {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid var(--project-border);
    border-radius: 999px;
    background: var(--project-surface);
    color: var(--project-muted);
    box-shadow: none;
    font-size: 0.86rem;
    font-weight: 750;
    animation: none;
}

.filter-button::before,
.filter-button::after {
    display: none;
}

.filter-button.active {
    color: #fff;
    border-color: rgba(0, 122, 255, 0.22);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.18);
    transform: none;
}

.filter-button:hover:not(.active),
.github-button:hover {
    color: var(--primary-color);
    border-color: rgba(0, 122, 255, 0.32);
    background: var(--project-soft-blue);
    transform: none;
    box-shadow: none;
}

.github-button {
    width: 38px;
    justify-content: center;
    padding: 0;
}

.github-button i {
    margin: 0;
}

.project-grid {
    max-width: none;
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
    padding: 0;
}

.project-card {
    grid-column: span 6;
    min-height: 340px;
    margin: 0;
    display: flex;
    border: 1px solid var(--project-border);
    border-radius: var(--project-radius);
    background:
        linear-gradient(180deg, rgba(0, 122, 255, 0.035), transparent 42%),
        var(--project-surface-strong);
    box-shadow: 0 1px 0 rgba(31, 35, 40, 0.04);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    perspective: none;
    transform-style: flat;
    animation: none;
}

.project-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    height: auto;
    opacity: 1;
    border-radius: 0;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.project-card::after {
    display: none;
}

.project-card:hover {
    border-color: rgba(0, 122, 255, 0.34);
    box-shadow: var(--project-shadow);
    transform: none;
}

.project-content,
.project-card:hover .project-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 20px 20px 18px 22px;
    transform: none;
    transition: none;
}

.project-content::after {
    display: none;
}

.project-period {
    width: fit-content;
    margin: 0 0 12px;
    padding: 5px 9px;
    border: 1px solid var(--project-border);
    border-radius: 999px;
    color: var(--primary-color);
    background: var(--project-soft-blue);
    box-shadow: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.76rem;
    font-weight: 800;
}

.project-card:hover .project-period {
    transform: none;
    box-shadow: none;
}

.project-title,
.project-card:hover .project-title,
.dark-mode .project-title,
.dark-mode .project-card:hover .project-title {
    margin: 0 0 10px;
    color: var(--text-color);
    background: none;
    -webkit-text-fill-color: currentColor;
    font-size: 1.16rem;
    font-weight: 850;
    letter-spacing: 0;
    line-height: 1.32;
    opacity: 1;
    animation: none;
}

.project-title::after {
    display: none;
}

.project-period,
.project-description,
.project-tags,
.project-links {
    opacity: 1;
    animation: none;
}

.project-description {
    flex: 1;
    margin: 0 0 16px;
    color: var(--project-muted);
    font-size: 0.92rem;
    line-height: 1.68;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0 0 16px;
}

.project-tag {
    min-height: 26px;
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0 9px;
    border: 1px solid var(--project-border);
    border-radius: 999px;
    color: var(--primary-color);
    background: var(--project-soft-blue);
    box-shadow: none;
    font-size: 0.78rem;
    font-weight: 750;
}

.project-tag::before {
    display: none;
}

.project-tag:hover {
    transform: none;
    box-shadow: none;
    background: rgba(0, 122, 255, 0.14);
}

.project-links {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 9px;
    margin-top: auto;
}

.project-link {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--project-border);
    font-size: 0.86rem;
    font-weight: 780;
    box-shadow: none;
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.project-link::before,
.project-link::after {
    display: none;
}

.project-link.primary {
    color: #fff;
    border-color: rgba(0, 122, 255, 0.24);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.project-link.secondary {
    color: var(--primary-color);
    background: var(--project-surface);
}

.project-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.14);
}

.project-link:hover i {
    transform: none;
}

.scroll-top {
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.scroll-top::before {
    display: none;
}

.tilt-effect,
.project-card.tilt-effect {
    transform: none !important;
}

.scroll-reveal,
.scroll-reveal.revealed {
    opacity: 1;
    transform: none;
}

footer {
    margin-top: 0;
    border-top: 1px solid var(--project-border);
    background: var(--project-surface);
}

footer .footer-content {
    max-width: 1240px;
    align-items: flex-start;
}

.footer-info p,
.footer-links a {
    color: var(--project-muted);
}

.footer-info a {
    color: var(--primary-color);
}

.footer-links {
    gap: 12px;
}

.footer-links a {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid var(--project-border);
    border-radius: 999px;
    background: var(--project-surface-strong);
    font-size: 0.86rem;
    font-weight: 650;
}

.footer-links a::after {
    display: none;
}

.footer-links a:hover {
    color: var(--primary-color);
    border-color: rgba(0, 122, 255, 0.32);
    background: var(--project-soft-blue);
}

@media (max-width: 1080px) {
    main {
        width: min(100% - 28px, 1240px);
        padding-top: 24px;
    }

    .project-card {
        grid-column: span 6;
    }
}

@media (max-width: 820px) {
    main {
        width: min(100% - 24px, 1240px);
    }

    .navbar {
        position: sticky;
    }

    .navbar {
        overflow-x: auto;
        align-items: center;
    }

    .navbar .nav-right {
        min-width: 0;
        display: flex;
        gap: 8px;
    }

    .navbar .menu {
        display: flex;
        max-width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: thin;
    }

    .navbar .menu li {
        flex: 0 0 auto;
    }

    .navbar .social-icons {
        display: none;
    }

    .project-header {
        padding: 24px;
    }

    .project-hero-stats {
        grid-template-columns: 1fr;
    }

    .filter-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .filter-group {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 2px;
        scrollbar-width: thin;
    }

    .filter-button {
        flex: 0 0 auto;
    }

    .project-card {
        grid-column: span 12;
    }

    footer .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    main {
        width: min(100% - 20px, 1240px);
        padding-bottom: 54px;
    }

    .project-header {
        padding: 20px;
        border-radius: 15px;
    }

    .project-hero-actions {
        flex-direction: column;
    }

    .project-hero-btn {
        width: 100%;
    }

    .project-links {
        grid-template-columns: 1fr;
    }

    .project-content {
        padding: 18px 18px 16px 20px;
    }

    .footer-links {
        width: 100%;
    }
}

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