/* Application Selection — premium futuristic · v6 */

.pgf-page-wrap {
    width: 100%;
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    margin-top: var(--pgf-outer-y, clamp(24px, 4vh, 64px));
    margin-bottom: var(--pgf-outer-y, clamp(24px, 4vh, 64px));
    overflow-x: clip;
    position: static !important;
    top: auto !important;
    z-index: auto;
}

.pgf-app {
    --pgf-green: #0f766e;
    --pgf-green-mid: #14b8a6;
    --pgf-green-light: #2dd4bf;
    --pgf-green-soft: rgba(20, 184, 166, 0.12);
    --pgf-green-bg: rgba(240, 253, 250, 0.72);
    --pgf-green-border: rgba(15, 118, 110, 0.28);
    --pgf-green-glow: rgba(45, 212, 191, 0.35);
    --pgf-gold: #d4af37;
    --pgf-gold-soft: rgba(212, 175, 55, 0.18);
    --pgf-surface: rgba(255, 255, 255, 0.82);
    --pgf-surface-solid: #ffffff;
    --pgf-glass-border: rgba(255, 255, 255, 0.65);
    --pgf-gray-50: #f8fafc;
    --pgf-gray-100: #f1f5f9;
    --pgf-gray-200: #e2e8f0;
    --pgf-gray-400: #94a3b8;
    --pgf-gray-500: #64748b;
    --pgf-gray-700: #334155;
    --pgf-gray-900: #0f172a;
    --pgf-max: 1440px;
    --pgf-radius-xl: 22px;
    --pgf-radius-lg: 16px;
    --pgf-radius-md: 12px;
    --pgf-shadow-soft: 0 28px 80px rgba(15, 23, 42, 0.1), 0 8px 24px rgba(15, 118, 110, 0.06);
    --pgf-shadow-card: 0 16px 48px rgba(15, 23, 42, 0.07), 0 4px 14px rgba(15, 118, 110, 0.05);
    --pgf-shadow-hover: 0 32px 72px rgba(15, 23, 42, 0.14), 0 12px 32px rgba(20, 184, 166, 0.12);
    --pgf-font: "Inter", "Segoe UI", sans-serif;
    --pgf-font-display: "Outfit", "Inter", sans-serif;
    --pgf-font-serif: "Playfair Display", Georgia, serif;
    --pgf-pad-top: clamp(36px, 5vh, 72px);
    --pgf-pad-bottom: clamp(52px, 7vh, 104px);

    position: static !important;
    top: auto !important;
    z-index: auto;
    isolation: isolate;
    font-family: var(--pgf-font);
    color: var(--pgf-gray-900);
    background:
        radial-gradient(1100px 620px at 88% 3%, rgba(67, 146, 113, 0.88) 0%, rgba(30, 111, 86, 0.58) 28%, rgba(7, 69, 55, 0.18) 56%, transparent 74%),
        radial-gradient(920px 540px at 64% 34%, rgba(19, 97, 75, 0.82) 0%, rgba(8, 71, 57, 0.44) 42%, transparent 70%),
        radial-gradient(680px 520px at 11% 7%, rgba(0, 60, 48, 0.92) 0%, rgba(2, 50, 42, 0.74) 45%, transparent 72%),
        linear-gradient(135deg, #022b24 0%, #04392f 24%, #075140 52%, #0a604a 72%, #174c3e 100%);
    /* padding: var(--pgf-pad-top) 0 var(--pgf-pad-bottom); */
}

.pgf-app__stage {
    position: relative;
    /* clip 不会像 overflow-x:hidden 那样把 overflow-y 算成 auto，从而破坏 sticky */
    overflow-x: clip;
    overflow-y: visible;
}

/* Prevent global layout styles (e.g. header { position: sticky }) from fixing the hero */
.pgf-hero,
.pgf-hero__title {
    position: static !important;
    top: auto !important;
    bottom: auto !important;
    z-index: auto;
}

/* ── Ambient background ── */
.pgf-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.pgf-bg__mesh {
    position: absolute;
    inset: -20%;
    background:
        radial-gradient(ellipse 62% 48% at 84% 2%, rgba(77, 159, 123, 0.5) 0%, rgba(26, 104, 80, 0.2) 44%, transparent 68%),
        radial-gradient(ellipse 54% 44% at 55% 35%, rgba(18, 91, 70, 0.38) 0%, rgba(4, 57, 47, 0.22) 52%, transparent 75%),
        radial-gradient(ellipse 46% 40% at 6% 14%, rgba(0, 44, 37, 0.6) 0%, transparent 58%),
        linear-gradient(145deg, rgba(0, 31, 26, 0.42) 0%, rgba(6, 69, 55, 0.2) 46%, rgba(16, 88, 68, 0.28) 100%);
    animation: pgf-mesh-drift 18s ease-in-out infinite alternate;
}

.pgf-bg__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(137, 204, 172, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(137, 204, 172, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
}

.pgf-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(78px);
    opacity: 0.4;
    animation: pgf-orb-float 12s ease-in-out infinite;
}

.pgf-bg__orb--1 {
    width: 420px;
    height: 420px;
    top: -80px;
    right: -60px;
    background: rgba(77, 159, 123, 0.52);
}

.pgf-bg__orb--2 {
    width: 320px;
    height: 320px;
    bottom: 10%;
    left: -80px;
    background: rgba(0, 42, 35, 0.64);
    animation-delay: -4s;
}

.pgf-bg__orb--3 {
    width: 260px;
    height: 260px;
    top: 45%;
    right: 18%;
    background: rgba(26, 104, 80, 0.36);
    animation-delay: -8s;
}

.pgf-bg__scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(137, 204, 172, 0.018) 3px,
        rgba(137, 204, 172, 0.018) 4px
    );
    opacity: 0.5;
}

@keyframes pgf-mesh-drift {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(2%, -1.5%) scale(1.03); }
}

@keyframes pgf-orb-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(12px, -18px); }
}

.pgf-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--pgf-max);
    margin: 0 auto;
    padding: 80px 32px;
    box-sizing: border-box;
    top: auto;
}

/* ── Hero (scrolls with page, never sticky/fixed) ── */
.pgf-hero {
    margin-bottom: 40px;
}

.pgf-hero__frame {
    position: relative;
    top: auto;
    border: 1px solid rgba(126, 199, 165, 0.28);
    border-radius: var(--pgf-radius-xl);
    padding: clamp(28px, 4vw, 44px) clamp(24px, 4vw, 56px);
    text-align: center;
    background:
        linear-gradient(135deg, rgba(30, 99, 78, 0.84) 0%, rgba(59, 143, 109, 0.74) 100%);
    backdrop-filter: blur(20px);
    box-shadow: 0 26px 76px rgba(0, 31, 26, 0.34), inset 0 1px 0 rgba(218, 255, 239, 0.16);
    overflow: hidden;
}

.pgf-hero__frame::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 255, 237, 0.55), transparent);
}

.pgf-hero__frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 82% 62% at 50% 0%, rgba(158, 229, 190, 0.14) 0%, transparent 66%);
    pointer-events: none;
}

.pgf-hero__eyebrow {
    margin: 0 0 12px;
    font-family: var(--pgf-font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #fff;
}

.pgf-hero__title {
    margin: 0;
    font-family: var(--pgf-font-serif);
    font-size: clamp(36px, 4.6vw, 56px);
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    line-height: 1.2;
    text-align: center;
}

/* ── L1 tabs (underline switcher) ── */
.pgf-l1-mobile-control {
    display: none;
}

.pgf-l1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-end;
    gap: 8px clamp(28px, 5vw, 56px);
    padding: 0 0 8px;
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(126, 199, 165, 0.18);
}

.pgf-l1__tab {
    appearance: none;
    border: none;
    background: transparent;
    padding: 12px 4px 16px;
    font-family: var(--pgf-font);
    font-size: clamp(15px, 1.5vw, 18px);
    font-weight: 600;
    color: rgba(218, 255, 239, 0.56);
    border-radius: 0;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: color 0.25s ease;
    letter-spacing: 0.01em;
    line-height: 1.35;
}

.pgf-l1__tab::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: transparent;
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    transform: scaleX(0.35);
}

.pgf-l1__tab:hover {
    color: rgba(232, 255, 244, 0.86);
}

.pgf-l1__tab:hover::after {
    background: rgba(137, 204, 172, 0.38);
    transform: scaleX(0.65);
}

.pgf-l1__tab.is-active {
    color: #e9fff4;
    font-weight: 700;
}

.pgf-l1__tab.is-active::after {
    background: linear-gradient(90deg, #c8ffe4, #6bd2a3);
    box-shadow: 0 2px 14px rgba(120, 219, 168, 0.32);
    transform: scaleX(1);
}

.pgf-l1__tab.is-active:hover {
    color: #f3fff8;
}

/* ── Workspace panel ── */
.pgf-workspace {
    margin-bottom: 56px;
}

.pgf-panel {
    border: 1px solid var(--pgf-glass-border);
    border-radius: var(--pgf-radius-xl);
    background: var(--pgf-surface);
    backdrop-filter: blur(24px);
    box-shadow: var(--pgf-shadow-soft);
    /* visible so .pgf-l2 position:sticky can pin while the page scrolls */
    overflow: visible;
}

.pgf-panel__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
    padding: 18px 28px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    background: linear-gradient(90deg, rgba(240, 253, 250, 0.6) 0%, rgba(255, 255, 255, 0.4) 100%);
    border-radius: var(--pgf-radius-xl) var(--pgf-radius-xl) 0 0;
}

.pgf-panel__label {
    font-family: var(--pgf-font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pgf-green);
}

.pgf-panel__hint {
    font-size: 13px;
    color: var(--pgf-gray-400);
}

.pgf-panel__actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-width: 0;
}

.pgf-panel__collapse-all {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 34px;
    padding: 7px 13px;
    border: 1px solid rgba(212, 175, 55, 0.42);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(240, 253, 250, 0.86) 100%),
        linear-gradient(135deg, rgba(212, 175, 55, 0.16) 0%, rgba(20, 184, 166, 0.1) 100%);
    color: var(--pgf-green);
    font-family: var(--pgf-font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1;
    white-space: nowrap;
    box-shadow: 0 10px 26px rgba(15, 118, 110, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: border-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease, background 0.24s ease;
}

.pgf-panel__collapse-all:hover:not(:disabled) {
    border-color: rgba(212, 175, 55, 0.72);
    color: #0b5f59;
    background:
        linear-gradient(135deg, #ffffff 0%, rgba(236, 253, 245, 0.96) 100%),
        linear-gradient(135deg, rgba(212, 175, 55, 0.24) 0%, rgba(20, 184, 166, 0.16) 100%);
    box-shadow: 0 16px 34px rgba(15, 118, 110, 0.13), 0 0 0 1px rgba(212, 175, 55, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.96);
    transform: translateY(-1px);
}

.pgf-panel__collapse-all:focus-visible {
    outline: 2px solid rgba(212, 175, 55, 0.45);
    outline-offset: 3px;
}

.pgf-panel__collapse-all:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
    box-shadow: none;
}

.pgf-panel__collapse-icon {
    flex-shrink: 0;
    filter: drop-shadow(0 1px 3px rgba(212, 175, 55, 0.18));
}

.pgf-workspace__layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 0;
    /* stretch so left rail white bg matches right column height */
    align-items: stretch;
}

/* ── L2 rail: full-height white column (pin target for absolute L2) ── */
.pgf-l2-rail {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
    min-height: 100%;
    border-right: 1px solid rgba(226, 232, 240, 0.8);
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(12px);
    border-radius: 0 0 0 var(--pgf-radius-xl);
}

.pgf-l2-pin-slot {
    display: block;
    width: 100%;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    pointer-events: none;
}

/* ── L2 sidebar: JS portals to body + fixed when pinned (true viewport lock) ── */
.pgf-l2 {
    /* fallback: leave room for typical fixed site header; JS will overwrite precisely */
    --pgf-l2-sticky-top: 88px;
    --pgf-l2-sticky-gap: 12px;

    display: flex;
    flex-direction: column;
    /* keep category spacing fixed; never distribute into tall rail */
    gap: 8px;
    width: 100%;
    padding: 22px 18px;
    box-sizing: border-box;
    position: relative;
    z-index: 6;
    max-height: calc(100vh - var(--pgf-l2-sticky-top) - var(--pgf-l2-sticky-gap));
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: rgba(248, 250, 252, 0.98);
}

.pgf-l2.is-pinned {
    box-sizing: border-box;
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
    border-right: 1px solid rgba(226, 232, 240, 0.8);
}

.pgf-l2__item {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 0 0 auto;
    text-align: left;
    padding: 14px 18px;
    font-family: var(--pgf-font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--pgf-gray-500);
    border-radius: var(--pgf-radius-md);
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.pgf-l2__icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.85);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.pgf-l2__icon--empty {
    display: inline-block;
    background:
        linear-gradient(135deg, rgba(241, 245, 249, 0.95) 0%, rgba(226, 232, 240, 0.7) 100%);
    border-style: dashed;
}

.pgf-l2__name {
    min-width: 0;
    flex: 1;
    line-height: 1.35;
    word-break: break-word;
}

.pgf-l2__mobile-carousel,
.pgf-l2__mobile-nav {
    display: none;
}

.pgf-l2__item:hover:not(.is-active) {
    background: rgba(255, 255, 255, 0.85);
    color: var(--pgf-green);
    border-color: var(--pgf-green-border);
    box-shadow: 0 6px 20px rgba(15, 118, 110, 0.08);
    transform: translateX(4px);
}

.pgf-l2__item:hover:not(.is-active) .pgf-l2__icon {
    border-color: var(--pgf-green-border);
}

.pgf-l2__item.is-active {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.14) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: var(--pgf-green);
    font-weight: 600;
    border-color: var(--pgf-green-border);
    box-shadow: inset 3px 0 0 var(--pgf-green-mid), 0 4px 16px rgba(15, 118, 110, 0.08);
}

.pgf-l2__item.is-active .pgf-l2__icon {
    border-color: var(--pgf-green-border);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.12);
}

/* ── L3 product cards ── */
.pgf-l3 {
    position: relative;
    min-height: 360px;
    padding: 24px 28px 28px;
}

.pgf-l3__loading {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    font-size: 14px;
    font-weight: 500;
    color: var(--pgf-gray-500);
}

.pgf-l3__loading.is-active {
    display: flex;
}

.pgf-l3__spinner {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid rgba(20, 184, 166, 0.2);
    border-top-color: var(--pgf-green-mid);
    animation: pgf-spin 0.75s linear infinite;
}

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

.pgf-l3__grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.pgf-l3__group {
    margin: 0;
}

.pgf-l3__group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 10px;
    padding: 0 0 6px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    position: relative;
}

.pgf-l3__group-head::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--pgf-green-mid), var(--pgf-gold));
    border-radius: 2px;
}

.pgf-l3__group-title {
    flex: 1;
    min-width: 0;
    margin: 0;
    font-family: var(--pgf-font-display);
    font-size: 17px;
    font-weight: 700;
    color: var(--pgf-gray-900);
    letter-spacing: 0.02em;
    line-height: 1.35;
}

.pgf-l3__group-toggle {
    appearance: none;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid rgba(212, 175, 55, 0.38);
    border-radius: 999px;
    background:
        radial-gradient(circle at 30% 18%, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.76) 34%, transparent 35%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 253, 245, 0.86) 100%);
    color: var(--pgf-green);
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.96);
    cursor: pointer;
    transition: border-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease, background 0.24s ease;
}

.pgf-l3__group-toggle::before {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.76);
    pointer-events: none;
}

.pgf-l3__group-toggle:hover {
    border-color: rgba(212, 175, 55, 0.7);
    color: #0b5f59;
    box-shadow: 0 16px 34px rgba(15, 118, 110, 0.14), 0 0 0 1px rgba(212, 175, 55, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.96);
    transform: translateY(-1px);
}

.pgf-l3__group-toggle:focus-visible {
    outline: 2px solid rgba(212, 175, 55, 0.42);
    outline-offset: 3px;
}

.pgf-l3__group-toggle-art {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.pgf-l3__group-switch-icon {
    color: currentColor;
    filter: drop-shadow(0 1px 3px rgba(212, 175, 55, 0.2));
    transition: transform 0.24s ease;
}

.pgf-l3__group.is-collapsed .pgf-l3__group-head {
    margin-bottom: 0;
}

.pgf-l3__group.is-collapsed .pgf-l3__group-body {
    display: none;
}

.pgf-l3__group.is-collapsed .pgf-l3__group-toggle {
    color: var(--pgf-gold);
    border-color: rgba(20, 184, 166, 0.26);
}

.pgf-l3__group.is-collapsed .pgf-l3__group-switch-icon {
    transform: rotate(180deg);
}

.pgf-l3__group-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
}

.pgf-l3__group-hint {
    margin: 0;
    padding: 12px 4px;
    font-size: 13px;
    color: var(--pgf-gray-400);
    font-style: italic;
}

.pgf-l3__card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    width: 100%;
    min-height: 48px;
    padding: 4px 12px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: var(--pgf-radius-lg);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    box-shadow: var(--pgf-shadow-card);
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.pgf-l3__card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.06) 0%, transparent 60%);
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.pgf-l3__card:hover {
    border-color: var(--pgf-green-border);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--pgf-shadow-hover);
    transform: translateY(-3px);
}

.pgf-l3__card:hover::before {
    opacity: 1;
}

.pgf-l3__card.is-checked {
    border-color: var(--pgf-green-mid);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 253, 250, 0.95) 100%);
    box-shadow: 0 0 0 1px var(--pgf-green-border), 0 16px 40px rgba(15, 118, 110, 0.12);
}

.pgf-l3__card.is-checked::before {
    opacity: 1;
}

.pgf-l3__card--selectable {
    cursor: pointer;
}

.pgf-l3__check-btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 0;
    margin: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.pgf-l3__check-btn:focus-visible {
    outline: 2px solid rgba(20, 184, 166, 0.45);
    outline-offset: 2px;
    border-radius: 5px;
}

.pgf-l3__card.is-disabled {
    cursor: not-allowed;
    opacity: 0.72;
    background: rgba(248, 250, 252, 0.96);
    border-color: rgba(226, 232, 240, 0.95);
    box-shadow: none;
    pointer-events: none;
    user-select: none;
}

.pgf-l3__check--locked {
    background: #eef2f7;
    border-color: #dbe3ee;
    opacity: 0.55;
    box-shadow: none;
    border-radius: 5px;
}

.pgf-l3__check--locked::after {
    display: none;
}

.pgf-l3__card.is-disabled:hover {
    border-color: rgba(226, 232, 240, 0.95);
    background: rgba(248, 250, 252, 0.92);
    box-shadow: var(--pgf-shadow-card);
    transform: none;
}

.pgf-l3__card.is-disabled:hover::before {
    opacity: 0;
}

.pgf-l3__card.is-disabled .pgf-l3__card-label-name,
.pgf-l3__card.is-disabled .pgf-l3__card-label-tag {
    color: var(--pgf-gray-400);
}

.pgf-l3__card.is-disabled .pgf-l3__card-label-tag {
    background: #e2e8f0;
    color: #94a3b8;
    box-shadow: none;
}

.pgf-l3__card.is-disabled .pgf-l3__check {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.pgf-l3__card.is-disabled.is-checked {
    border-color: rgba(226, 232, 240, 0.95);
    background: rgba(248, 250, 252, 0.92);
    box-shadow: var(--pgf-shadow-card);
}

.pgf-l2__placeholder {
    display: block;
    padding: 14px;
    color: #94a3b8;
    font-size: 13px;
    line-height: 1.5;
}

.pgf-l3__card-label-name--empty {
    color: transparent;
}

.pgf-l3__check-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pgf-l3__check {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 1.5px solid #cbd5e1;
    border-radius: 5px;
    background: #fff;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.pgf-l3__check::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 46%;
    width: 8px;
    height: 4.5px;
    margin-left: -4px;
    margin-top: -3px;
    border-left: 1.5px solid transparent;
    border-bottom: 1.5px solid transparent;
    transform: rotate(-45deg) scale(0.6);
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.pgf-l3__card:hover .pgf-l3__check {
    border-color: rgba(20, 184, 166, 0.45);
}

.pgf-l3__card.is-checked .pgf-l3__check {
    border-color: var(--pgf-green);
    background: linear-gradient(145deg, var(--pgf-green-mid) 0%, var(--pgf-green) 100%);
    box-shadow: 0 2px 8px rgba(15, 118, 110, 0.22);
}

.pgf-l3__card.is-checked .pgf-l3__check::after {
    border-left-color: #fff;
    border-bottom-color: #fff;
    opacity: 1;
    transform: rotate(-45deg) scale(1);
}

.pgf-l3__card-label {
    flex: 1;
    min-width: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--pgf-gray-700);
    line-height: 1.2;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.pgf-l3__card-label-tag {
    display: none;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--pgf-green-mid) 0%, var(--pgf-green) 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 1px 4px rgba(15, 118, 110, 0.25);
}

.pgf-l3__empty {
    margin: 0;
    padding: 72px 24px;
    text-align: center;
    font-size: 15px;
    color: var(--pgf-gray-400);
    border: 1px dashed rgba(226, 232, 240, 0.95);
    border-radius: var(--pgf-radius-lg);
    background: rgba(248, 250, 252, 0.5);
}

/* ── Results ── */
.pgf-results {
    margin-top: 8px;
    padding: 32px 0;
    background: transparent;
}

.pgf-results__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 36px;
    color: #fff;
    font-family: var(--pgf-font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.pgf-results__divider-icon {
    flex: 1;
    max-width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pgf-green-mid) 40%, var(--pgf-gold) 60%, transparent);
}

.pgf-results__divider-icon--right {
    background: linear-gradient(90deg, transparent, var(--pgf-gold) 40%, var(--pgf-green-mid) 60%, transparent);
}

.pgf-results__carousel {
    position: relative;
    display: block;
    width: 100%;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
}

.pgf-results__carousel[hidden] {
    display: none !important;
}

.pgf-results__viewport {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
}

.pgf-results__track {
    display: block;
    width: 100%;
    background: transparent;
}

/* ── Comparison table ── */
.pgf-compare {
    width: 100%;
    min-width: 0;
}

.pgf-compare-table {
    --pgf-per-view: 4;
    --pgf-total: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: var(--pgf-radius-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    box-shadow: var(--pgf-shadow-card);
}

.pgf-compare-slider-viewport {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.pgf-compare-slider-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.pgf-compare-header {
    display: flex;
    border-bottom: 2px solid var(--pgf-green-mid);
}

.pgf-compare-corner {
    flex-shrink: 0;
    width: 130px;
    min-width: 130px;
    background: rgba(20, 184, 166, 0.04);
    border-right: 1px solid rgba(226, 232, 240, 0.7);
}

.pgf-compare-product-col {
    flex: 0 0 var(--pgf-col-width, 220px);
    width: var(--pgf-col-width, 220px);
    min-width: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(226, 232, 240, 0.7);
    box-sizing: border-box;
}

.pgf-compare-product-col:last-child {
    border-right: none;
}

.pgf-compare-media {
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, var(--pgf-gray-100) 0%, #e2e8f0 100%);
    overflow: hidden;
}

.pgf-compare-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pgf-compare-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--pgf-gray-400);
}

.pgf-compare-product-info {
    padding: 10px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
}

.pgf-compare-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--pgf-green-mid) 0%, var(--pgf-green) 100%);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(15, 118, 110, 0.25);
}

.pgf-compare-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--pgf-gray-800);
    line-height: 1.4;
    text-decoration: none;
    transition: color 0.2s ease;
    word-break: break-word;
}

.pgf-compare-name:hover {
    color: var(--pgf-green);
}

.pgf-compare-body {
    display: flex;
    flex-direction: column;
}

.pgf-compare-row {
    display: flex;
    align-items: stretch;
    /* Single continuous bottom edge — avoids 1px step between name/value columns */
    border-bottom: 1px solid rgba(15, 118, 110, 0.28);
    transition: background 0.2s ease;
}

/* Attribute names wrap independently of product values (nested viewport/track).
 * Stretch the viewport → track → cells to the full row height so vertical
 * dividers and backgrounds match the name column exactly. */
.pgf-compare-row > .pgf-compare-slider-viewport {
    display: flex;
    align-items: stretch;
    align-self: stretch;
    min-height: 100%;
}

.pgf-compare-row > .pgf-compare-slider-viewport > .pgf-compare-slider-track {
    display: flex;
    align-items: stretch;
    flex: 0 0 auto;
    align-self: stretch;
    min-height: 100%;
    height: 100%;
    box-sizing: border-box;
}

.pgf-compare-row:hover {
    background: rgba(20, 184, 166, 0.03);
}

.pgf-compare-attr-name {
    flex-shrink: 0;
    width: 130px;
    min-width: 130px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 700;
    color: var(--pgf-gray-600);
    background: rgba(248, 250, 252, 0.8);
    border-right: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    align-items: center;
    line-height: 1.4;
    box-sizing: border-box;
}

.pgf-compare-cell {
    flex: 0 0 var(--pgf-col-width, 220px);
    width: var(--pgf-col-width, 220px);
    min-width: 0;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--pgf-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-right: 1px solid rgba(226, 232, 240, 0.7);
    line-height: 1.4;
    word-break: break-word;
    box-sizing: border-box;
    align-self: stretch;
    min-height: 100%;
    height: 100%;
}

.pgf-compare-cell:last-child {
    border-right: none;
}

.pgf-compare-row:last-child {
    border-bottom: none;
}

.pgf-compare-cell .pgf-attr-na {
    color: var(--pgf-gray-400);
}

/* Mobile: fixed attribute column with a synchronized product-value carousel. */
.pgf-results__track.is-mobile .pgf-compare-corner {
    display: block;
    width: 104px;
    min-width: 104px;
}

.pgf-results__track.is-mobile .pgf-compare-attr-name {
    display: flex;
    width: 104px;
    min-width: 104px;
    padding: 10px 9px;
    font-size: 13px;
}

.pgf-results__track.is-mobile .pgf-compare-row {
    flex-direction: row;
}

.pgf-results__track.is-mobile .pgf-compare-slider-viewport {
    width: auto;
    flex: 1;
    min-width: 0;
}

.pgf-results__track.is-mobile .pgf-compare-cell {
    padding: 10px 12px;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Navigation — overlay on the carousel so widths match the empty state / selection panel */
.pgf-results__nav {
    position: absolute;
    top: 50%;
    z-index: 5;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 253, 250, 0.94) 100%);
    color: var(--pgf-green);
    box-shadow: 0 10px 28px rgba(15, 118, 110, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: transform 0.28s ease, box-shadow 0.28s ease, color 0.28s ease, opacity 0.28s ease;
}

.pgf-results__nav--prev {
    left: 14px;
}

.pgf-results__nav--next {
    right: 14px;
}

.pgf-results__nav:hover:not(:disabled) {
    transform: translateY(-50%) scale(1.05);
    color: var(--pgf-green-mid);
    box-shadow: 0 14px 36px rgba(15, 118, 110, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.pgf-results__nav:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    box-shadow: 0 6px 16px rgba(15, 118, 110, 0.1);
}

.pgf-results__nav.is-hidden {
    visibility: hidden;
    pointer-events: none;
}

.pgf-results__pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 22px;
    font-family: var(--pgf-font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.88);
}

.pgf-results__pager[hidden] {
    display: none !important;
}

.pgf-results__pager-dot {
    width: 36px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7));
}

.pgf-results__pager-dot--right {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.7), transparent);
}

.pgf-results__pager-text {
    min-width: 56px;
    text-align: center;
    color: #fff;
}

.pgf-results__empty {
    margin: 0;
    padding: 56px 20px;
    text-align: center;
    font-size: 15px;
    color: #fff;
    border: 1px dashed rgba(255, 255, 255, 0.42);
    border-radius: var(--pgf-radius-lg);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
}

.pgf-results__empty.is-hidden {
    display: none;
}

/* ── Responsive ── */
@media (min-height: 900px) {
    .pgf-page-wrap {
        --pgf-outer-y: clamp(40px, 5.5vh, 88px);
    }

    .pgf-app {
        --pgf-pad-top: clamp(44px, 5.5vh, 80px);
        --pgf-pad-bottom: clamp(60px, 7.5vh, 120px);
    }
}

@media (max-height: 720px) {
    .pgf-page-wrap {
        --pgf-outer-y: clamp(16px, 2.5vh, 36px);
    }

    .pgf-app {
        --pgf-pad-top: clamp(20px, 3vh, 40px);
        --pgf-pad-bottom: clamp(28px, 4vh, 56px);
    }
}

@media (min-width: 1400px) {
    .pgf-l3__group-cards {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1280px) {
    .pgf-shell {
        padding: 0 24px;
    }

    .pgf-workspace__layout {
        grid-template-columns: 320px minmax(0, 1fr);
    }

    .pgf-l2__item {
        font-size: 17px;
        gap: 12px;
        padding: 12px 16px;
    }

    .pgf-l2__icon {
        width: 52px;
        height: 52px;
        border-radius: 11px;
    }
}

@media (max-width: 1024px) {
    .pgf-workspace__layout {
        grid-template-columns: 280px minmax(0, 1fr);
    }

    .pgf-l2__item {
        font-size: 16px;
        gap: 12px;
        padding: 12px 14px;
    }

    .pgf-l2__icon {
        width: 48px;
        height: 48px;
        border-radius: 10px;
    }

    .pgf-results__nav {
        width: 44px;
        height: 44px;
    }

    .pgf-results__nav--prev {
        left: 10px;
    }

    .pgf-results__nav--next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    .pgf-page-wrap {
        --pgf-outer-y: clamp(16px, 3vh, 40px);
    }

    .pgf-app {
        --pgf-pad-top: clamp(24px, 3.5vh, 48px);
        --pgf-pad-bottom: clamp(36px, 5vh, 72px);
    }

    .pgf-shell {
        padding: 0 16px;
    }

    .pgf-hero__frame {
        padding: 24px 20px;
    }

    .pgf-panel__header {
        padding: 14px 18px;
    }

    .pgf-panel__actions {
        width: 100%;
        justify-content: space-between;
    }

    .pgf-panel__hint {
        line-height: 1.4;
    }

    .pgf-workspace__layout {
        grid-template-columns: 1fr;
    }

    .pgf-l2-rail {
        border-right: none;
        border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        border-radius: 0;
        background: rgba(248, 250, 252, 0.98);
        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    }

    .pgf-l2 {
        --pgf-l2-sticky-top: 72px;

        display: block;
        padding: 12px 14px;
        max-height: none;
        overflow: hidden;
        position: sticky;
        top: var(--pgf-l2-sticky-top);
        z-index: 8;
        background: rgba(248, 250, 252, 0.98);
    }

    .pgf-l2__mobile-carousel {
        display: grid;
        grid-template-columns: 36px minmax(0, 1fr) 36px;
        align-items: center;
        gap: 10px;
        width: 100%;
    }

    .pgf-l2__mobile-nav {
        appearance: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        padding: 0;
        border: 1px solid rgba(15, 118, 110, 0.22);
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.9);
        color: var(--pgf-green);
        box-shadow: 0 5px 14px rgba(15, 118, 110, 0.11);
        cursor: pointer;
    }

    .pgf-l2__mobile-nav svg {
        width: 20px;
        height: 20px;
    }

    .pgf-l2__mobile-nav:disabled {
        cursor: default;
        opacity: 0.35;
        box-shadow: none;
    }

    .pgf-l2__item {
        width: 100%;
        min-width: 0;
        justify-content: center;
        gap: 10px;
        padding: 10px 14px;
        font-size: 16px;
        font-weight: 600;
    }

    .pgf-l2__name {
        flex: 0 1 auto;
        text-align: center;
    }

    .pgf-l2__icon {
        width: 42px;
        height: 42px;
        border-radius: 9px;
    }

    .pgf-l2__item:hover:not(.is-active) {
        transform: translateY(-2px);
    }

    .pgf-l3 {
        padding: 18px 16px 22px;
    }

    .pgf-l3__group-title {
        font-size: 16px;
    }

    .pgf-l1-mobile-control {
        display: block;
        margin: 0 0 12px;
    }

    .pgf-l1-mobile-toggle {
        appearance: none;
        width: 100%;
        min-height: 48px;
        padding: 12px 16px;
        border: 1px solid rgba(170, 241, 205, 0.32);
        border-radius: 14px;
        background: linear-gradient(135deg, rgba(8, 82, 64, 0.88), rgba(15, 118, 110, 0.72));
        box-shadow: 0 10px 26px rgba(0, 31, 26, 0.24), inset 0 1px 0 rgba(224, 255, 239, 0.16);
        color: #e9fff4;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-family: var(--pgf-font-display);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        cursor: pointer;
    }

    .pgf-l1-mobile-toggle__icon {
        flex-shrink: 0;
        transition: transform 0.22s ease;
    }

    .pgf-l1-mobile-toggle[aria-expanded="true"] .pgf-l1-mobile-toggle__icon {
        transform: rotate(180deg);
    }

    .pgf-l1 {
        display: grid;
        grid-template-columns: 1fr;
        gap: 5px;
        margin: 0 0 18px;
        padding: 8px;
        overflow: hidden;
        border: 1px solid rgba(126, 199, 165, 0.2);
        border-radius: 14px;
        background: rgba(3, 57, 46, 0.62);
        box-shadow: 0 12px 26px rgba(0, 31, 26, 0.18);
    }

    .pgf-l1.is-mobile-collapsed {
        display: none;
    }

    .pgf-l1__tab {
        width: 100%;
        padding: 11px 13px 11px 24px;
        border: 1px solid transparent;
        border-radius: 10px;
        color: rgba(232, 255, 244, 0.75);
        font-size: 14px;
        text-align: left;
    }

    .pgf-l1__tab::after {
        left: 10px;
        right: auto;
        bottom: 7px;
        width: 3px;
        height: calc(100% - 14px);
        border-radius: 3px;
        transform: scaleY(0.35);
    }

    .pgf-l1__tab:hover,
    .pgf-l1__tab.is-active {
        border-color: rgba(137, 204, 172, 0.28);
        background: rgba(255, 255, 255, 0.08);
    }

    .pgf-l1__tab:hover::after {
        transform: scaleY(0.65);
    }

    .pgf-l1__tab.is-active::after {
        transform: scaleY(1);
    }

    .pgf-results__carousel {
        display: block;
        width: 100%;
        margin: 0;
    }

    .pgf-results__viewport {
        width: 100%;
        overflow: hidden;
    }

    .pgf-results__nav {
        width: 40px;
        height: 40px;
    }

    .pgf-results__nav--prev {
        left: 8px;
    }

    .pgf-results__nav--next {
        right: 8px;
    }

    .pgf-results__nav:hover:not(:disabled) {
        transform: translateY(-50%) scale(1.04);
    }

    .pgf-compare-corner {
        display: none;
    }

    .pgf-compare-attr-name {
        display: none;
    }

    .pgf-compare-product-col {
        flex: 0 0 var(--pgf-col-width, 220px);
        width: var(--pgf-col-width, 220px);
    }

    .pgf-compare-cell {
        flex-direction: column;
        gap: 2px;
        align-items: flex-start;
        text-align: left;
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .pgf-l3__group-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .pgf-hero__title {
        font-size: clamp(30px, 8vw, 40px);
    }

    .pgf-panel__actions {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .pgf-panel__collapse-all {
        align-self: flex-end;
        margin-left: auto;
    }

    .pgf-l3__card {
        padding: 4px 10px;
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pgf-bg__mesh,
    .pgf-bg__orb,
    .pgf-l3__spinner {
        animation: none;
    }

    .pgf-l3__card,
    .pgf-result-card,
    .pgf-l1__tab,
    .pgf-l2__item,
    .pgf-compare-slider-track {
        transition: none;
    }
}

/* ── Rating display ── */
.pgf-rating-display {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pgf-attr-na {
    color: var(--pgf-gray-400, #9ca3af);
}