/* ═══════════════════════════════════════════════════════════
   project.css — Projects listing page
   ProjectsHub Design System
═══════════════════════════════════════════════════════════ */

body {
    overflow-x: hidden;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s, gap 0.2s;
}

.back-link:hover {
    color: var(--text-bright);
    gap: 12px;
}

body.light .back-link {
    color: #64748b;
}

body.light .back-link:hover {
    color: #0f172a;
}

/* ── Page wrapper ── */
.project-body {
    padding-block: 120px 80px;
}

/* ── Page header ── */
.projects-page-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
    padding: 3rem 1.5rem 2.5rem;
    max-width: 1440px;
    margin: 0 auto;
}

.projects-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.8rem;
    font-weight: 600;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.projects-badge__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
    animation: projDotPulse 2.2s ease-in-out infinite;
}

@keyframes projDotPulse {

    0%,
    100% {
        box-shadow: 0 0 6px rgba(34, 197, 94, 0.8);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 14px rgba(34, 197, 94, 1), 0 0 26px rgba(34, 197, 94, 0.4);
        transform: scale(1.3);
    }
}

body.light .projects-badge {
    border-color: rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.03);
    color: #64748b;
}

.projects-page-title {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-bright);
    margin: 0;
}

.projects-title__gradient {
    background: linear-gradient(135deg, #3b82f6, #a855f7 55%, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-page-desc {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 640px;
    line-height: 1.75;
}

body.light .projects-page-title {
    color: #0f172a;
}

body.light .projects-page-desc {
    color: #64748b;
}

/* ── Modern Search Bar ── */
.ph-search-wrapper {
    width: 100%;
    max-width: 620px;
    margin: 0.5rem auto 0.75rem;
    padding: 0 0.5rem;
}

.ph-search-bar {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: #ffffff;
    border: 1.5px solid rgba(226, 232, 240, 0.95);
    border-radius: 9999px;
    padding: 10px 18px;
    box-shadow: 0 4px 20px -2px rgba(91, 91, 255, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body.light .ph-search-bar {
    background: #ffffff;
    border-color: rgba(226, 232, 240, 0.95);
    box-shadow: 0 4px 20px -2px rgba(91, 91, 255, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
}

.ph-search-bar:hover {
    border-color: rgba(91, 91, 255, 0.45);
    box-shadow: 0 6px 24px -2px rgba(91, 91, 255, 0.14);
}

.ph-search-bar:focus-within {
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), 0 8px 30px rgba(91, 91, 255, 0.14);
    transform: translateY(-1px);
}

.ph-search-icon {
    color: #6366f1;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.ph-search-bar:focus-within .ph-search-icon {
    transform: scale(1.1);
}

.ph-search-input {
    flex: 1;
    width: 100%;
    min-width: 0;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    color: #0f172a;
    padding: 0;
    margin: 0;
    box-shadow: none !important;
}

.ph-search-input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.ph-search-clear {
    display: none;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: #f1f5f9;
    color: #64748b;
    font-size: 0.75rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s ease;
    padding: 0;
    line-height: 1;
}

.ph-search-clear:hover {
    background: #e2e8f0;
    color: #0f172a;
}

.ph-search-kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    min-width: 22px;
    padding: 0 6px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #94a3b8;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: inherit;
    pointer-events: none;
    flex-shrink: 0;
}

/* ── Project count badge ── */
.projects-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: 9999px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.84rem;
    font-weight: 600;
    color: #4f46e5;
}

.projects-count-badge__num {
    font-size: 0.95rem;
    font-weight: 800;
    color: #4338ca;
}

body.light .projects-count-badge {
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.18);
    color: #4f46e5;
}

body.light .projects-count-badge__num {
    color: #4338ca;
}

/* ── Filter tabs ── */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
    margin-top: 0.5rem;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    border-radius: var(--radius-pill, 9999px);
    border: 1px solid rgba(226, 232, 240, 0.95);
    background: #ffffff;
    color: #475569;
    font-family: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.filter-tab:hover {
    color: #2563eb !important;
    background: #eff6ff !important;
    border-color: rgba(59, 130, 246, 0.45) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.15);
}

.filter-tab:active {
    transform: translateY(0);
}

.filter-tab.active {
    background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
    border-color: transparent !important;
    color: #ffffff !important;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    transform: translateY(-1px);
}

.filter-tab.active:hover {
    background: linear-gradient(135deg, #2563eb, #4f46e5) !important;
    color: #ffffff !important;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
    transform: translateY(-2px);
}

.filter-tab .tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    padding: 1px 7px;
    border-radius: 9999px;
    background: #f1f5f9;
    color: #64748b;
    font-weight: 700;
    transition: all 0.2s ease;
}

.filter-tab:hover .tab-count {
    background: #dbeafe !important;
    color: #1d4ed8 !important;
}

.filter-tab.active .tab-count,
.filter-tab.active:hover .tab-count {
    background: rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
}

body.light .filter-tab {
    color: #475569;
    border-color: rgba(226, 232, 240, 0.95);
    background: #ffffff;
}

body.light .filter-tab:hover {
    color: #2563eb !important;
    background: #eff6ff !important;
    border-color: rgba(59, 130, 246, 0.45) !important;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

body.light .filter-tab:hover .tab-count {
    background: #dbeafe !important;
    color: #1d4ed8 !important;
}

body.light .filter-tab.active {
    color: #ffffff !important;
    border-color: transparent !important;
    background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

body.light .filter-tab.active:hover {
    color: #ffffff !important;
    background: linear-gradient(135deg, #2563eb, #4f46e5) !important;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
    transform: translateY(-2px);
}

/* ── Projects breadcrumb ── */
.projects-breadcrumb {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem 0;
}

.projects-breadcrumb ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.projects-breadcrumb ol li+li::before {
    content: "/";
    margin-right: 0.5rem;
    opacity: 0.4;
}

.projects-breadcrumb ol li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.projects-breadcrumb ol li a:hover {
    color: var(--text-bright);
}

body.light .projects-breadcrumb ol {
    color: #64748b;
}

body.light .projects-breadcrumb ol li a:hover {
    color: #0f172a;
}

/* ── Full grid (3 cols on desktop) ── */
.projects-full-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 640px) {
    .projects-full-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-full-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ── Project Card ── */
.project-card {
    border-radius: 18px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition:
        transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
        box-shadow 0.35s ease,
        border-color 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.25);
}

body.light .project-card {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 20px;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
}

body.light .project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -4px rgba(91, 91, 255, 0.16), 0 0 0 1px rgba(99, 102, 241, 0.25);
    border-color: rgba(99, 102, 241, 0.35);
}

/* Hidden for filter */
.project-card.hidden {
    display: none;
}

/* Card link wrapper covers full card */
.project-card-link-wrapper {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

/* ── Card image ── */
.project-card__img-wrap {
    position: relative;
    overflow: hidden;
    height: 210px;
    background: #f8fafc;
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

body.light .project-card__img-wrap {
    background: #f8fafc;
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.project-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    display: block;
}

.project-card:hover .project-card__img {
    transform: scale(1.05);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.75) 0%, rgba(10, 10, 15, 0.1) 55%, transparent 100%);
    transition: opacity 0.3s ease;
}

.project-card:hover .project-card__overlay {
    opacity: 0.7;
}

body.light .project-card__overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.45) 0%, transparent 55%);
}

/* Category pill on image */
.project-card__category {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.project-card__category--ml {
    background: rgba(139, 92, 246, 0.75);
    color: #ede9fe;
}

.project-card__category--backend {
    background: rgba(59, 130, 246, 0.75);
    color: #dbeafe;
}

.project-card__category--data {
    background: rgba(16, 185, 129, 0.75);
    color: #d1fae5;
}

.project-card__category--cloud {
    background: rgba(245, 158, 11, 0.75);
    color: #fef3c7;
}

/* Price badge on image */
.project-card__price {
    position: absolute;
    bottom: 0.85rem;
    right: 0.85rem;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    backdrop-filter: blur(8px);
    background: rgba(0, 0, 0, 0.55);
    color: #f1f5f9;
    z-index: 2;
}

.project-card__price--free {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

/* ── Card body ── */
.project-card__body {
    padding: 1.25rem 1.4rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

/* Tags row */
.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.project-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #9ca3af;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.project-card:hover .project-tag {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.25);
    color: #93c5fd;
}

/* Tag color variants (by content prefix) */
.project-tag--python {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

.project-tag--ml {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
}

.project-tag--api {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.project-tag--cloud {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: #fcd34d;
}

body.light .project-tag {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: #64748b;
}

body.light .project-card:hover .project-tag {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

/* Card title */
.project-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    color: #f1f5f9;
    margin: 0;
    transition: color 0.2s;
}

.project-card:hover .project-card__title {
    color: #ffffff;
}

body.light .project-card__title {
    color: #0f172a;
}

body.light .project-card:hover .project-card__title {
    color: #0f172a;
}

/* Card description */
.project-card__desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #94a3b8;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body.light .project-card__desc {
    color: #64748b;
}

/* Card CTA row */
.project-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #3b82f6;
    margin-top: 0.25rem;
    transition: gap 0.2s, color 0.2s;
}

.project-card:hover .project-card__link {
    gap: 10px;
    color: #60a5fa;
}

.project-card__arrow {
    transition: transform 0.2s;
}

.project-card:hover .project-card__arrow {
    transform: translateX(3px);
}

body.light .project-card__link {
    color: #2563eb;
}

body.light .project-card:hover .project-card__link {
    color: #1d4ed8;
}

/* ── Empty state ── */
.projects-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.1rem;
}

.projects-empty-state__icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    margin-bottom: 0.25rem;
}

.projects-empty-state__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
}

.projects-empty-state__desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 400px;
    line-height: 1.65;
}

.projects-empty-state__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 9999px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s;
    margin-top: 0.5rem;
}

.projects-empty-state__cta:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

body.light .projects-empty-state__title {
    color: #0f172a;
}

body.light .projects-empty-state__desc {
    color: #64748b;
}

/* ── No filter results ── */
.projects-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 3rem 0;
    grid-column: 1 / -1;
}

/* ── Responsive ── */
@media (max-width: 767px) {
    .projects-page-title {
        font-size: clamp(1.75rem, 8vw, 2.4rem) !important;
    }

    .project-body {
        padding-block: 100px 60px;
    }
}

@media (max-width: 480px) {
    .projects-page-title {
        font-size: 1.75rem !important;
    }

    .projects-full-grid {
        gap: 1rem;
        padding: 0 1rem;
    }

    .project-card__img-wrap {
        height: 180px;
    }
}