/* Generated by build.py from each book's cover band (do not edit by hand). */
.bk-cooking .pband{--band-bg:radial-gradient(ellipse 46% 80% at 80% -8%,rgba(242,140,69,.32),rgba(242,140,69,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(46,107,52,.30),rgba(46,107,52,0) 70%),var(--ink);}
.bk-cooking .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;background:repeating-linear-gradient(90deg,#D9452B 0 14px,#FFFCF6 14px 28px);}
.bk-automobiles .pband{--band-bg:radial-gradient(ellipse 46% 80% at 80% -8%,rgba(245,197,24,.30),rgba(245,197,24,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(13,90,105,.45),rgba(13,90,105,0) 70%),var(--ink);}
.bk-automobiles .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;background:repeating-linear-gradient(90deg,#F5C518 0 30px,#3A3946 30px 52px) center/100% 4px no-repeat,#3A3946;}
.bk-economy .pband{--band-bg:repeating-linear-gradient(0deg,rgba(111,211,168,.08) 0 1px,rgba(0,0,0,0) 1px 22px),radial-gradient(ellipse 46% 80% at 84% -8%,rgba(111,211,168,.28),rgba(111,211,168,0) 72%),radial-gradient(ellipse 30% 60% at 50% -10%,rgba(208,138,76,.26),rgba(208,138,76,0) 70%),var(--ink);}
.bk-economy .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:16px;background:radial-gradient(circle at 6px 6px,#D08A4C 0 5px,#8C5426 5px 6px,transparent 6.5px) 4px 1px/26px 13px repeat-x,linear-gradient(#6FD3A8,#6FD3A8) 0 14px/100% 2px no-repeat;}
.bk-soccer .pband{--band-bg:repeating-linear-gradient(90deg,rgba(46,139,87,.22) 0 40px,rgba(46,139,87,.08) 40px 80px),var(--ink);}
.bk-soccer .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:linear-gradient(90deg,#F2F2E6 0 47%,transparent 47% 53%,#F2F2E6 53% 100%);border-radius:2px;}
.bk-space .pband{--band-bg:radial-gradient(1.2px 1.2px at 12% 18%,#fff 98%,transparent),radial-gradient(1px 1px at 28% 62%,#fff 98%,transparent),radial-gradient(1.4px 1.4px at 47% 30%,#FFD166 98%,transparent),radial-gradient(1px 1px at 63% 74%,#fff 98%,transparent),radial-gradient(1.2px 1.2px at 81% 12%,#fff 98%,transparent),radial-gradient(1px 1px at 92% 48%,#7FD3FF 98%,transparent),radial-gradient(ellipse 50% 70% at 86% -6%,rgba(91,227,160,.26),rgba(91,227,160,0) 70%),radial-gradient(ellipse 34% 55% at 38% -12%,rgba(127,211,255,.22),rgba(127,211,255,0) 70%),var(--ink);}
.bk-space .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:30px;border-top:2px dashed rgba(127,211,255,.55);border-radius:50% 50% 0 0/100% 100% 0 0;pointer-events:none;}
.bk-building .pband{--band-bg:linear-gradient(rgba(127,176,232,.16) 1px,transparent 1px) 0 0/22px 22px,linear-gradient(90deg,rgba(127,176,232,.16) 1px,transparent 1px) 0 0/22px 22px,linear-gradient(rgba(127,176,232,.28) 1.5px,transparent 1.5px) 0 0/110px 110px,linear-gradient(90deg,rgba(127,176,232,.28) 1.5px,transparent 1.5px) 0 0/110px 110px,var(--ink);}
.bk-building .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;border-left:2px solid rgba(242,140,40,.85);border-right:2px solid rgba(242,140,40,.85);background:linear-gradient(90deg,rgba(242,140,40,.85) 50%,transparent 50%) 0 50%/14px 2px repeat-x;pointer-events:none;}
.bk-gardening .pband{--band-bg:repeating-linear-gradient(170deg,rgba(155,212,106,.09) 0 2px,rgba(0,0,0,0) 2px 26px),radial-gradient(ellipse 46% 80% at 84% -8%,rgba(227,178,60,.30),rgba(227,178,60,0) 72%),radial-gradient(ellipse 30% 60% at 40% -10%,rgba(155,212,106,.24),rgba(155,212,106,0) 70%),var(--ink);}
.bk-gardening .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:16px;background:radial-gradient(ellipse 5px 7px at 8px 7px,#E3B23C 0 5px,#9A7420 5px 6px,transparent 6.5px) 4px 0/24px 14px repeat-x,linear-gradient(#9BD46A,#9BD46A) 0 14px/100% 2px no-repeat;}
.bk-biology .pband{--band-bg:linear-gradient(180deg,rgba(140,190,70,.18),rgba(140,190,70,0) 70%),var(--ink);}
.bk-biology .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:repeating-linear-gradient(90deg,#D9487A 0 10px,transparent 10px 20px,#9BCB5A 20px 30px,transparent 30px 40px);border-radius:4px;}
.bk-video-games .pband{--band-bg:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 2px,rgba(255,255,255,0) 2px 5px),radial-gradient(ellipse 46% 80% at 80% -8%,rgba(63,224,239,.30),rgba(63,224,239,0) 72%),radial-gradient(ellipse 30% 60% at 50% -10%,rgba(255,79,176,.32),rgba(255,79,176,0) 70%),var(--ink);}
.bk-video-games .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:16px;background:linear-gradient(90deg,#3FE0EF 0 12px,transparent 12px 24px) 0 0/48px 8px repeat-x,linear-gradient(90deg,transparent 0 24px,#FF4FB0 24px 36px,transparent 36px) 0 8px/48px 8px repeat-x;}
.bk-entrepreneurship .pband{--band-bg:repeating-linear-gradient(0deg,rgba(47,209,139,.07) 0 1px,rgba(0,0,0,0) 1px 22px),repeating-linear-gradient(90deg,rgba(47,209,139,.05) 0 1px,rgba(0,0,0,0) 1px 22px),radial-gradient(ellipse 46% 80% at 82% -8%,rgba(47,209,139,.28),rgba(47,209,139,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(255,201,74,.26),rgba(255,201,74,0) 70%),var(--ink);}
.bk-entrepreneurship .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:18px;background:radial-gradient(circle at 12px 0,#2FD18B 11px,transparent 11.5px) 0 6px/48px 12px repeat-x,radial-gradient(circle at 36px 0,#FFFCF6 11px,transparent 11.5px) 0 6px/48px 12px repeat-x,linear-gradient(90deg,#2FD18B 0 24px,#FFFCF6 24px 48px) 0 0/48px 6px repeat-x;}
.bk-medicine .pband{--band-bg:linear-gradient(180deg,rgba(40,170,180,.18),rgba(40,170,180,0) 70%),var(--ink);}
.bk-medicine .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:10px;height:16px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='16' viewBox='0 0 80 16'%3E%3Cpath d='M0 8 H28 L32 2 L37 14 L41 4 L44 8 H80' fill='none' stroke='%23E8546B' stroke-width='2'/%3E%3C/svg%3E") repeat-x;}
.bk-piano .pband{--band-bg:radial-gradient(ellipse 46% 80% at 80% -8%,rgba(240,106,106,.30),rgba(240,106,106,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(197,240,60,.10),rgba(197,240,60,0) 70%),var(--ink);}
.bk-piano .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:12px;background:repeating-linear-gradient(90deg,#FFFCF6 0 13px,var(--ink) 13px 14px,#FFFCF6 14px 27px,var(--ink) 27px 28px);}
.bk-calculus .pband{--band-bg:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px) 0 0/22px 22px,linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px) 0 0/22px 22px,var(--ink);}
.bk-calculus .pband::after{content:"";position:absolute;left:8%;right:8%;bottom:16px;height:3px;background:linear-gradient(90deg,transparent,var(--cla) 20%,var(--cla) 80%,transparent);border-radius:2px;}
.bk-aviation .pband{--band-bg:linear-gradient(180deg,rgba(95,160,230,.18),rgba(95,160,230,0) 70%),var(--ink);}
.bk-aviation .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:repeating-linear-gradient(90deg,#F2F2E6 0 36px,transparent 36px 60px);border-radius:2px;}
.bk-coding .pband{--band-bg:radial-gradient(circle at 10px 10px,rgba(61,220,151,.22) 1.6px,transparent 2px) 0 0/20px 20px,linear-gradient(90deg,transparent 0 30%,rgba(255,255,255,.08) 30% 30.4%,transparent 30.4%) ,var(--ink);}
.bk-coding .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:linear-gradient(90deg,var(--ca) 0 14%,transparent 14% 18%,#9AA5FF 18% 46%,transparent 46% 50%,var(--ca) 50% 54%,transparent 54% 58%,#9AA5FF 58% 100%);border-radius:2px;}
.bk-dance .pband{--band-bg:radial-gradient(ellipse 46% 80% at 80% -8%,rgba(242,92,155,.34),rgba(242,92,155,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(197,240,60,.12),rgba(197,240,60,0) 70%),var(--ink);}
.bk-dance .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:9px;background:repeating-linear-gradient(90deg,var(--dance) 0 36px,transparent 36px 48px,var(--lime) 48px 60px,transparent 60px 72px);}
.bk-energy .pband{--band-bg:repeating-linear-gradient(90deg,transparent 0 118px,rgba(245,183,10,.22) 118px 120px),radial-gradient(ellipse 60px 18px at 60px 40px,transparent 70%,rgba(127,214,214,.18) 72% 76%,transparent 78%) 0 0/120px 60px,var(--ink);}
.bk-energy .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:linear-gradient(90deg,var(--ea) 0 18%,transparent 18% 22%,#7FD6D6 22% 40%,transparent 40% 44%,var(--ea) 44% 62%,transparent 62% 66%,#7FD6D6 66% 84%,transparent 84% 88%,var(--ea) 88%);border-radius:4px;opacity:.85;pointer-events:none;}
.bk-government .pband{--band-bg:repeating-linear-gradient(90deg,rgba(79,195,217,.07) 0 10px,rgba(0,0,0,0) 10px 46px),radial-gradient(ellipse 46% 80% at 82% -8%,rgba(79,195,217,.28),rgba(79,195,217,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(227,176,75,.26),rgba(227,176,75,0) 70%),var(--ink);}
.bk-government .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:16px;background:linear-gradient(90deg,#E3B04B 0 12px,transparent 12px 30px) 6px 3px/30px 10px repeat-x,linear-gradient(#4FC3D9,#4FC3D9) 0 14px/100% 2px no-repeat;}
.bk-martial-arts .pband{--band-bg:radial-gradient(ellipse 46% 80% at 80% -8%,rgba(226,169,59,.30),rgba(226,169,59,0) 72%),radial-gradient(ellipse 30% 60% at 52% -10%,rgba(158,42,31,.25),rgba(158,42,31,0) 70%),var(--ink);}
.bk-martial-arts .pband::after{content:"";position:absolute;left:0;right:0;bottom:0;height:12px;background:linear-gradient(90deg,#FFFCF6 0 14.28%,#F2D13A 14.28% 28.56%,#E8892B 28.56% 42.84%,#3E9B4F 42.84% 57.12%,#2F6FC0 57.12% 71.4%,#7A4A26 71.4% 85.68%,#0B0A14 85.68% 100%);}
.bk-swimming .pband{--band-bg:linear-gradient(180deg,rgba(60,190,200,.18),rgba(60,190,200,0) 70%),var(--ink);}
.bk-swimming .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:8px;background:repeating-linear-gradient(90deg,#E2412B 0 18px,#F2F2E6 18px 36px,#3CBEC8 36px 54px);border-radius:4px;}
.bk-theatre .pband{--band-bg:repeating-linear-gradient(90deg,rgba(200,50,63,.55) 0 14px,rgba(122,20,36,.65) 14px 28px) left top/9% 100% no-repeat,repeating-linear-gradient(90deg,rgba(122,20,36,.65) 0 14px,rgba(200,50,63,.55) 14px 28px) right top/9% 100% no-repeat,radial-gradient(ellipse 38% 70% at 62% 108%,rgba(242,193,78,.22),rgba(242,193,78,0) 70%),var(--ink);}
.bk-theatre .pband::after{content:"";position:absolute;left:9%;right:9%;bottom:10px;height:6px;background:radial-gradient(circle 3px at 50% 50%,rgba(242,193,78,.75) 98%,transparent) 0 0/26px 6px repeat-x;pointer-events:none;}
.bk-clothing .pband{--band-bg:linear-gradient(180deg,rgba(90,120,200,.20),rgba(90,120,200,0) 70%),var(--ink);}
.bk-clothing .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:12px;height:0;border-top:2.5px dashed var(--cla);}
.bk-cosmetics .pband{--band-bg:linear-gradient(180deg,rgba(200,80,130,.22),rgba(200,80,130,0) 70%),var(--ink);}
.bk-cosmetics .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:8px;height:10px;background-image:radial-gradient(circle,var(--csa) 3.5px,transparent 4px);background-size:18px 10px;background-repeat:repeat-x;}
.bk-law .pband{--band-bg:linear-gradient(180deg,rgba(60,120,100,.22),rgba(60,120,100,0) 70%),var(--ink);}
.bk-law .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:10px;height:6px;border-top:2px solid var(--lwa);border-bottom:2px solid var(--lwa);}
.bk-comedy .pband{--band-bg:radial-gradient(ellipse at 50% -10%,rgba(231,180,58,.30),rgba(231,180,58,0) 60%),linear-gradient(180deg,rgba(168,38,28,.25),rgba(168,38,28,0) 70%),var(--ink);}
.bk-comedy .pband::after{content:"";position:absolute;left:6%;right:6%;bottom:10px;height:6px;background:radial-gradient(circle,var(--cma) 2.5px,transparent 3px) 0 0/18px 6px repeat-x;}
.bk-profiles .pband{--band-bg:radial-gradient(ellipse at 80% -10%,rgba(227,167,58,.26),rgba(227,167,58,0) 60%),linear-gradient(180deg,rgba(31,100,112,.30),rgba(31,100,112,0) 70%),var(--ink);}
.bk-profiles .pband::after{content:"";position:absolute;left:6%;bottom:10px;width:120px;height:6px;background:linear-gradient(90deg,var(--ppa) 0 16%,transparent 16% 21%,var(--ppa) 21% 37%,transparent 37% 42%,var(--ppa) 42% 58%,transparent 58% 63%,var(--ppa) 63% 79%,transparent 79% 84%,var(--ppa) 84% 100%);}