/**
 * STELLARIS — Pavimentazioni CSS Pure
 * 30+ pattern di pavimento usando solo CSS gradients (zero immagini)
 * Applicati come sfondo al canvas planimetria (editor admin + POS sala)
 */

/* ============================================================
   PIASTRELLE
   ============================================================ */

/* Piastrelle grigio (default) */
.pav-piastrelle_grigio {
    background-color: #374151;
    background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Piastrelle bianco/nero scacchiera */
.pav-piastrelle_scacchiera {
    background-color: #1e293b;
    background-image:
        linear-gradient(45deg, #334155 25%, transparent 25%, transparent 75%, #334155 75%),
        linear-gradient(45deg, #334155 25%, transparent 25%, transparent 75%, #334155 75%);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

/* Piastrelle beige grandi */
.pav-piastrelle_beige {
    background-color: #44403c;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Piastrelle esagonali */
.pav-piastrelle_esagonali {
    background-color: #1e293b;
    background-image:
        radial-gradient(circle at 50% 0%, #334155 24%, transparent 25%),
        radial-gradient(circle at 0% 50%, #334155 24%, transparent 25%),
        radial-gradient(circle at 100% 50%, #334155 24%, transparent 25%),
        radial-gradient(circle at 50% 100%, #334155 24%, transparent 25%);
    background-size: 30px 52px;
}

/* Piastrelle diamante */
.pav-piastrelle_diamante {
    background-color: #292524;
    background-image:
        linear-gradient(45deg, #3f3f46 12.5%, transparent 12.5%, transparent 50%, #3f3f46 50%, #3f3f46 62.5%, transparent 62.5%),
        linear-gradient(-45deg, #3f3f46 12.5%, transparent 12.5%, transparent 50%, #3f3f46 50%, #3f3f46 62.5%, transparent 62.5%);
    background-size: 30px 30px;
}

/* Piastrelle piccole mosaico */
.pav-piastrelle_mosaico {
    background-color: #1e293b;
    background-image:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size: 15px 15px;
}

/* Piastrelle metro (subway) */
.pav-piastrelle_metro {
    background-color: #334155;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 60px 30px, 60px 30px, 30px 30px;
    background-position: 0 0, 0 0, 30px 15px;
}

/* ============================================================
   PARQUET / LEGNO
   ============================================================ */

/* Parquet listoni orizzontali */
.pav-parquet_listoni {
    background-color: #44381f;
    background-image:
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,.03) 0px, rgba(255,255,255,.03) 2px,
            transparent 2px, transparent 60px
        ),
        repeating-linear-gradient(
            0deg,
            rgba(0,0,0,.15) 0px, rgba(0,0,0,.15) 1px,
            transparent 1px, transparent 12px
        );
}

/* Parquet spina di pesce */
.pav-parquet_spina {
    background-color: #3d2e15;
    background-image:
        linear-gradient(45deg, #4a3620 25%, transparent 25%, transparent 50%, #4a3620 50%, #4a3620 75%, transparent 75%),
        linear-gradient(-45deg, #4a3620 25%, transparent 25%, transparent 50%, #4a3620 50%, #4a3620 75%, transparent 75%);
    background-size: 20px 20px;
}

/* Parquet a cassero (scuro) */
.pav-parquet_cassero {
    background-color: #2c1f0e;
    background-image:
        repeating-linear-gradient(
            0deg,
            rgba(255,255,255,.04) 0px, rgba(255,255,255,.04) 1px,
            transparent 1px, transparent 15px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,.02) 0px, rgba(255,255,255,.02) 1px,
            transparent 1px, transparent 80px
        );
}

/* Parquet chiaro */
.pav-parquet_chiaro {
    background-color: #5c4a2e;
    background-image:
        repeating-linear-gradient(
            0deg,
            rgba(0,0,0,.08) 0px, rgba(0,0,0,.08) 1px,
            transparent 1px, transparent 14px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,.04) 0px, rgba(255,255,255,.04) 1px,
            transparent 1px, transparent 70px
        );
}

/* Legno decking esterno */
.pav-legno_deck {
    background-color: #3d2915;
    background-image:
        repeating-linear-gradient(
            0deg,
            rgba(0,0,0,.2) 0px, rgba(0,0,0,.2) 2px,
            transparent 2px, transparent 18px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255,255,255,.03) 0px, rgba(255,255,255,.03) 1px,
            transparent 1px, transparent 120px
        );
}

/* ============================================================
   MARMO
   ============================================================ */

/* Marmo bianco (Carrara) */
.pav-marmo_bianco {
    background-color: #475569;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255,255,255,.04) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(148,163,184,.08) 0%, transparent 50%),
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 200px 200px, 150px 150px, 180px 180px, 80px 80px, 80px 80px;
}

/* Marmo nero */
.pav-marmo_nero {
    background-color: #18181b;
    background-image:
        radial-gradient(ellipse at 30% 40%, rgba(255,255,255,.04) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 70%, rgba(255,255,255,.03) 0%, transparent 50%),
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
    background-size: 200px 200px, 180px 180px, 80px 80px, 80px 80px;
}

/* Marmo rosa */
.pav-marmo_rosa {
    background-color: #44282e;
    background-image:
        radial-gradient(ellipse at 25% 50%, rgba(255,200,200,.06) 0%, transparent 50%),
        radial-gradient(ellipse at 75% 30%, rgba(255,255,255,.04) 0%, transparent 50%),
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 180px 180px, 150px 150px, 70px 70px, 70px 70px;
}

/* ============================================================
   PIETRA
   ============================================================ */

/* Pietra naturale irregolare */
.pav-pietra_naturale {
    background-color: #3f3f46;
    background-image:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.05) 0%, transparent 30%),
        radial-gradient(circle at 70% 60%, rgba(255,255,255,.04) 0%, transparent 25%),
        radial-gradient(circle at 50% 80%, rgba(255,255,255,.03) 0%, transparent 35%),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 100px 100px, 80px 80px, 120px 120px, 50px 50px, 70px 50px;
}

/* Pietra lavica */
.pav-pietra_lavica {
    background-color: #1c1917;
    background-image:
        radial-gradient(circle at 40% 40%, rgba(255,255,255,.03) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,.02) 0%, transparent 30%);
    background-size: 60px 60px, 45px 45px;
}

/* Sampietrini (sanpietrini romani) */
.pav-sampietrini {
    background-color: #374151;
    background-image:
        linear-gradient(rgba(255,255,255,.06) 2px, transparent 2px),
        linear-gradient(90deg, rgba(255,255,255,.06) 2px, transparent 2px);
    background-size: 25px 25px;
}

/* ============================================================
   COTTO / TERRACOTTA
   ============================================================ */

/* Cotto toscano */
.pav-cotto_toscano {
    background-color: #5c2d10;
    background-image:
        linear-gradient(rgba(0,0,0,.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.1) 1px, transparent 1px);
    background-size: 45px 45px;
}

/* Cotto antico */
.pav-cotto_antico {
    background-color: #4a2410;
    background-image:
        radial-gradient(circle at 50% 50%, rgba(255,200,150,.04) 0%, transparent 50%),
        linear-gradient(rgba(0,0,0,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.08) 1px, transparent 1px);
    background-size: 90px 90px, 45px 45px, 45px 45px;
}

/* ============================================================
   CEMENTO / RESINA / MODERNO
   ============================================================ */

/* Cemento industriale */
.pav-cemento {
    background-color: #374151;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,.01) 0%, transparent 40%);
    background-size: 200px 200px, 150px 150px;
}

/* Cemento lucido */
.pav-cemento_lucido {
    background-color: #4b5563;
    background-image:
        radial-gradient(ellipse at 50% 50%, rgba(255,255,255,.05) 0%, transparent 70%);
    background-size: 300px 300px;
}

/* Resina epossidica */
.pav-resina {
    background-color: #1e3a5f;
    background-image:
        radial-gradient(ellipse at 50% 50%, rgba(255,255,255,.04) 0%, transparent 70%);
    background-size: 250px 250px;
}

/* Resina grigia */
.pav-resina_grigia {
    background-color: #3f4f5f;
    background-image:
        radial-gradient(ellipse at 40% 40%, rgba(255,255,255,.03) 0%, transparent 60%);
    background-size: 200px 200px;
}

/* ============================================================
   MOQUETTE / TESSUTO
   ============================================================ */

/* Moquette grigia */
.pav-moquette_grigia {
    background-color: #374151;
    background-image:
        repeating-linear-gradient(0deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px),
        repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px);
}

/* Moquette rossa */
.pav-moquette_rossa {
    background-color: #4a1a1a;
    background-image:
        repeating-linear-gradient(0deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px),
        repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px);
}

/* Moquette blu */
.pav-moquette_blu {
    background-color: #1a2744;
    background-image:
        repeating-linear-gradient(0deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px),
        repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0px, transparent 1px, transparent 3px);
}

/* ============================================================
   ESTERNO
   ============================================================ */

/* Erba */
.pav-erba {
    background-color: #1a3a1a;
    background-image:
        radial-gradient(circle at 30% 40%, rgba(34,197,94,.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(34,197,94,.08) 0%, transparent 30%),
        repeating-linear-gradient(0deg, rgba(0,0,0,.05) 0px, transparent 2px, transparent 6px);
    background-size: 100px 100px, 80px 80px, 4px 6px;
}

/* Ghiaia */
.pav-ghiaia {
    background-color: #44403c;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,.06) 1px, transparent 2px),
        radial-gradient(circle at 60% 70%, rgba(255,255,255,.05) 1px, transparent 2px),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.04) 1px, transparent 2px),
        radial-gradient(circle at 40% 90%, rgba(255,255,255,.05) 1px, transparent 2px);
    background-size: 20px 20px, 15px 15px, 18px 18px, 12px 12px;
}

/* Nessun pavimento (griglia di default) */
.pav-nessuno {
    background-color: #0f172a;
}