/* =========================================================
   NEXENG Duct Sizer Core Shell v1
   Capa visual segura para /apps/duct_sizer/
   No modifica fórmulas, cálculos, exportaciones ni lógica principal.
   ========================================================= */

:root {
    --nx-ds-core-blue: #008fd3;
    --nx-ds-core-blue-strong: #0867d8;
    --nx-ds-core-cyan: #00aeef;
    --nx-ds-core-navy: #0f2238;
    --nx-ds-core-muted: #5b6b82;
    --nx-ds-core-border: #d6eafa;
    --nx-ds-core-card: rgba(255,255,255,.96);
    --nx-ds-core-shadow: 0 24px 70px rgba(15,34,56,.10);
    --nx-ds-core-shadow-soft: 0 14px 36px rgba(15,34,56,.075);
    --nx-ds-core-ease: cubic-bezier(.2,.8,.2,1);
}

body.nx-duct-sizer-core-shell-v1 {
    color: var(--nx-ds-core-navy);
    font-weight: 700;
    background:
        radial-gradient(circle at 12% 8%, rgba(0,174,239,.15), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(8,103,216,.10), transparent 30%),
        linear-gradient(180deg, #fff 0%, #f8fcff 48%, #eef8ff 100%) !important;
}

body.nx-duct-sizer-core-shell-v1::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0,143,211,.052) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,143,211,.052) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.72), rgba(0,0,0,.26) 58%, transparent 100%);
}

/* Header alineado con NEXENG público */
body.nx-duct-sizer-core-shell-v1 .nx-topbar {
    min-height: 82px !important;
    padding: 12px clamp(18px, 2vw, 38px) !important;
    background: rgba(255,255,255,.96) !important;
    border-bottom: 1px solid rgba(214,234,250,.95) !important;
    border-radius: 0 0 22px 22px !important;
    box-shadow: 0 8px 28px rgba(15,34,56,.06) !important;
    backdrop-filter: blur(18px) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-topbar::after {
    content: "";
    position: absolute;
    left: 2.5%;
    right: 2.5%;
    bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,143,211,.22), transparent);
    pointer-events: none;
}

body.nx-duct-sizer-core-shell-v1 .nx-brand-logo {
    width: 300px !important;
    height: 58px !important;
    object-fit: contain !important;
    object-position: left center !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-header-actions {
    gap: 9px !important;
}

/* Botones */
body.nx-duct-sizer-core-shell-v1 .nx-btn {
    min-height: 40px !important;
    border-radius: 999px !important;
    border-color: var(--nx-ds-core-border) !important;
    background: rgba(255,255,255,.82) !important;
    color: var(--nx-ds-core-navy) !important;
    box-shadow: none !important;
    transition: transform .18s var(--nx-ds-core-ease), box-shadow .18s var(--nx-ds-core-ease), border-color .18s var(--nx-ds-core-ease), background .18s var(--nx-ds-core-ease), color .18s var(--nx-ds-core-ease) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-btn:hover {
    transform: translateY(-1px) !important;
    border-color: rgba(8,103,216,.22) !important;
    box-shadow: 0 12px 26px rgba(15,34,56,.08) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-btn-primary {
    border-color: transparent !important;
    color: #fff !important;
    background: linear-gradient(135deg, var(--nx-ds-core-blue-strong), var(--nx-ds-core-cyan)) !important;
    box-shadow: 0 14px 32px rgba(8,103,216,.22) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-btn-primary:hover {
    box-shadow: 0 18px 42px rgba(8,103,216,.30) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-btn-ghost {
    background: rgba(255,255,255,.78) !important;
}

/* Dock de acciones */
body.nx-duct-sizer-core-shell-v1 .nx-action-dock {
    top: 82px !important;
    background: rgba(255,255,255,.86) !important;
    border-bottom: 1px solid rgba(214,234,250,.80) !important;
    box-shadow: 0 12px 28px rgba(15,34,56,.055) !important;
    backdrop-filter: blur(18px) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-action-dock-inner {
    width: min(calc(100% - 42px), 1840px) !important;
    margin-inline: auto !important;
    border: 1px solid rgba(214,234,250,.75) !important;
    border-radius: 18px !important;
    background: rgba(255,255,255,.70) !important;
    box-shadow: 0 10px 24px rgba(15,34,56,.055) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-action-label {
    color: var(--nx-ds-core-blue-strong) !important;
    font-weight: 950 !important;
}

/* App shell */
body.nx-duct-sizer-core-shell-v1 .nx-app-shell {
    width: min(calc(100% - 36px), 1840px) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-main {
    padding-top: 18px !important;
}

/* Hero */
body.nx-duct-sizer-core-shell-v1 .nx-hero {
    border: 1px solid var(--nx-ds-core-border) !important;
    border-radius: 30px !important;
    background:
        radial-gradient(circle at 16% 0%, rgba(0,174,239,.10), transparent 34%),
        rgba(255,255,255,.94) !important;
    box-shadow: var(--nx-ds-core-shadow) !important;
    overflow: hidden !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-kicker {
    border-color: rgba(0,143,211,.18) !important;
    color: var(--nx-ds-core-blue-strong) !important;
    background: rgba(240,248,255,.92) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-hero h1 {
    color: var(--nx-ds-core-navy) !important;
    letter-spacing: -.06em !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-hero p {
    color: var(--nx-ds-core-muted) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-hero-tags span {
    border-color: var(--nx-ds-core-border) !important;
    color: #36536f !important;
    background: #f0f8ff !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-hero-summary {
    border-color: rgba(0,143,211,.16) !important;
    background:
        radial-gradient(circle at 20% 0%, rgba(0,174,239,.13), transparent 35%),
        #f6fbff !important;
    box-shadow: 0 16px 38px rgba(15,34,56,.075) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-hero-summary strong {
    color: var(--nx-ds-core-blue-strong) !important;
}

/* KPIs */
body.nx-duct-sizer-core-shell-v1 .nx-summary-grid {
    gap: 14px !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-summary-card {
    border: 1px solid var(--nx-ds-core-border) !important;
    border-radius: 22px !important;
    background: rgba(255,255,255,.94) !important;
    box-shadow: var(--nx-ds-core-shadow-soft) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-summary-card span {
    color: var(--nx-ds-core-muted) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-summary-card strong {
    color: var(--nx-ds-core-navy) !important;
}

/* Panel de tabla */
body.nx-duct-sizer-core-shell-v1 .nx-sheet-panel {
    border: 1px solid var(--nx-ds-core-border) !important;
    border-radius: 30px !important;
    background: rgba(255,255,255,.96) !important;
    box-shadow: var(--nx-ds-core-shadow) !important;
    overflow: hidden !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet-title {
    border-bottom: 1px solid rgba(214,234,250,.88) !important;
    background:
        radial-gradient(circle at 12% 0%, rgba(0,174,239,.09), transparent 34%),
        linear-gradient(180deg, #ffffff, #f7fcff) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet-title span {
    color: var(--nx-ds-core-blue-strong) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet-title h2 {
    color: var(--nx-ds-core-navy) !important;
    letter-spacing: -.04em !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet-title p {
    color: var(--nx-ds-core-muted) !important;
}

/* Tabla: solo estética, no tocar estructura/JS */
body.nx-duct-sizer-core-shell-v1 .nx-sheet-scroll {
    border-radius: 0 0 26px 26px !important;
    background: #fff !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet thead th {
    color: #36536f !important;
    background: linear-gradient(180deg, #eaf6ff, #d9efff) !important;
    border-bottom-color: rgba(8,103,216,.22) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-sheet td {
    border-color: rgba(214,234,250,.86) !important;
}

/* Paneles inferiores */
body.nx-duct-sizer-core-shell-v1 .nx-info-panel,
body.nx-duct-sizer-core-shell-v1 .nx-quick,
body.nx-duct-sizer-core-shell-v1 .nx-disclaimer {
    border: 1px solid var(--nx-ds-core-border) !important;
    border-radius: 24px !important;
    background: rgba(255,255,255,.94) !important;
    box-shadow: var(--nx-ds-core-shadow-soft) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-info-panel > span,
body.nx-duct-sizer-core-shell-v1 .nx-quick > span,
body.nx-duct-sizer-core-shell-v1 .nx-disclaimer span {
    color: var(--nx-ds-core-blue-strong) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-info-panel h2,
body.nx-duct-sizer-core-shell-v1 .nx-quick h2 {
    color: var(--nx-ds-core-navy) !important;
    letter-spacing: -.04em !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-info-panel p,
body.nx-duct-sizer-core-shell-v1 .nx-quick p,
body.nx-duct-sizer-core-shell-v1 .nx-disclaimer p {
    color: var(--nx-ds-core-muted) !important;
}

body.nx-duct-sizer-core-shell-v1 .nx-note-box {
    border-color: var(--nx-ds-core-border) !important;
    background: #fff !important;
    color: var(--nx-ds-core-navy) !important;
}

/* Toast / selección */
body.nx-duct-sizer-core-shell-v1 .nx-selection-help {
    border-color: var(--nx-ds-core-border) !important;
    background: rgba(255,255,255,.96) !important;
    color: var(--nx-ds-core-navy) !important;
    box-shadow: var(--nx-ds-core-shadow) !important;
}

/* Dark mode para la app */
body.nx-duct-sizer-core-shell-v1.nx-theme-dark {
    --nx-ds-core-navy: #f3fbff;
    --nx-ds-core-muted: #a9bdd2;
    --nx-ds-core-border: rgba(125,211,252,.18);
    color: #eaf6ff !important;
    background:
        radial-gradient(circle at 10% 8%, rgba(0,174,239,.13), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(8,103,216,.16), transparent 30%),
        linear-gradient(180deg, #071522 0%, #081a2c 46%, #0d2438 100%) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark::before {
    opacity: .28 !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-topbar {
    background: rgba(7,18,31,.96) !important;
    border-bottom-color: rgba(125,211,252,.18) !important;
    box-shadow: 0 18px 50px rgba(0,0,0,.32) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-action-dock {
    background: rgba(7,18,31,.82) !important;
    border-bottom-color: rgba(125,211,252,.12) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-action-dock-inner,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-hero,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-summary-card,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet-panel,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-info-panel,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-quick,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-disclaimer,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-selection-help {
    background:
        radial-gradient(circle at 15% 0%, rgba(0,174,239,.055), transparent 32%),
        linear-gradient(180deg, rgba(11,31,51,.96), rgba(8,24,40,.96)) !important;
    border-color: rgba(125,211,252,.17) !important;
    box-shadow: 0 24px 70px rgba(0,0,0,.30) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-btn {
    color: #eaf6ff !important;
    background: rgba(13,34,55,.92) !important;
    border-color: rgba(125,211,252,.20) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-btn-primary {
    color: #fff !important;
    background: linear-gradient(135deg, #0877e8, #00a6df) !important;
    border-color: transparent !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-kicker,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-hero-tags span {
    background: rgba(20,55,86,.92) !important;
    border-color: rgba(125,211,252,.22) !important;
    color: #d9f4ff !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-hero h1,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet-title h2,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-summary-card strong,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-info-panel h2,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-quick h2 {
    color: #f3fbff !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-hero p,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-summary-card span,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet-title p,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-info-panel p,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-quick p,
body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-disclaimer p {
    color: #a9bdd2 !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-hero-summary {
    background: rgba(13,34,55,.92) !important;
    border-color: rgba(125,211,252,.20) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet-title {
    background:
        radial-gradient(circle at 12% 0%, rgba(94,203,255,.07), transparent 34%),
        linear-gradient(180deg, #102a43, #0b1f33) !important;
    border-bottom-color: rgba(125,211,252,.14) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet-scroll {
    background: #0b1f33 !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet thead th {
    color: #d8f2ff !important;
    background: linear-gradient(180deg, #14334f, #102a43) !important;
    border-color: rgba(125,211,252,.16) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-sheet td {
    border-color: rgba(125,211,252,.13) !important;
}

body.nx-duct-sizer-core-shell-v1.nx-theme-dark .nx-note-box {
    background: rgba(13,34,55,.92) !important;
    border-color: rgba(125,211,252,.20) !important;
    color: #f3fbff !important;
}

/* Mobile básico de app */
@media (max-width: 920px) {
    body.nx-duct-sizer-core-shell-v1 .nx-topbar {
        min-height: auto !important;
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 8px !important;
        padding: 10px 14px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-brand-logo {
        width: 220px !important;
        height: 46px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-header-actions {
        width: 100% !important;
        justify-content: flex-start !important;
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        padding-bottom: 4px !important;
        scrollbar-width: none !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-header-actions::-webkit-scrollbar {
        display: none !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-header-actions .nx-btn {
        flex: 0 0 auto !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-dock {
        top: 108px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-app-shell {
        width: min(calc(100% - 22px), 1840px) !important;
        padding-top: 178px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-dock-inner {
        width: min(calc(100% - 22px), 1840px) !important;
        overflow-x: auto !important;
        scrollbar-width: none !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-dock-inner::-webkit-scrollbar {
        display: none !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-list {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        padding-bottom: 4px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-list .nx-btn {
        flex: 0 0 auto !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero {
        grid-template-columns: 1fr !important;
        padding: 22px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-detail-grid,
    body.nx-duct-sizer-core-shell-v1 .nx-quick-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 640px) {
    body.nx-duct-sizer-core-shell-v1 .nx-topbar {
        border-radius: 0 0 18px 18px !important;
        padding: 8px 10px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-brand-logo {
        width: 176px !important;
        height: 40px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-header-actions .nx-btn {
        min-height: 38px !important;
        font-size: .76rem !important;
        padding: 0 11px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-dock {
        top: 96px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-app-shell {
        width: min(calc(100% - 18px), 1840px) !important;
        padding-top: 164px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-dock-inner {
        width: min(calc(100% - 18px), 1840px) !important;
        border-radius: 16px !important;
        padding: 8px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-label {
        display: none !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-action-list .nx-btn {
        min-height: 36px !important;
        font-size: .72rem !important;
        padding-inline: 10px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-selection-status {
        flex: 0 0 auto !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero,
    body.nx-duct-sizer-core-shell-v1 .nx-sheet-panel,
    body.nx-duct-sizer-core-shell-v1 .nx-info-panel,
    body.nx-duct-sizer-core-shell-v1 .nx-quick,
    body.nx-duct-sizer-core-shell-v1 .nx-disclaimer {
        border-radius: 22px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero {
        padding: 18px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero h1 {
        font-size: clamp(2rem, 10.5vw, 3.1rem) !important;
        line-height: .96 !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero-tags {
        gap: 6px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-hero-tags span {
        min-height: 26px !important;
        font-size: .68rem !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-summary-grid {
        grid-template-columns: 1fr !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-summary-card {
        min-height: 86px !important;
        border-radius: 18px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-sheet-title {
        padding: 16px !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-sheet-scroll {
        max-height: 66vh !important;
        overflow: auto !important;
    }

    body.nx-duct-sizer-core-shell-v1 .nx-info-panel,
    body.nx-duct-sizer-core-shell-v1 .nx-quick,
    body.nx-duct-sizer-core-shell-v1 .nx-disclaimer {
        padding: 16px !important;
    }
}