:root {
  





  --room: #ccd2d2;
  --room-line: rgba(40, 60, 70, 0.28);
  --surface: #e5e9e7;
  --surface-raised: #fbf9f5;
  --text: #1f2529;
  --text-muted: #55606a;

  --ink: var(--text);
  --ink-soft: var(--text-muted);

  
  --bench: var(--room);
  --bench-lit: var(--surface);
  --bench-line: rgba(40, 60, 70, 0.07);

  
  --rail: #4a5560;
  --rail-lit: #66727d;
  --rail-dark: #2c343c;

  


  







  --blue: #2f6fc4;
  --blue-lit: #4d8ade;
  
  --green: #43a06f;
  --green-lit: #5ab585;
  --orange: #e2822a;
  --orange-lit: #f09a45;
  --purple: #7a52c8;
  --purple-lit: #9370dc;
  --red: #d6453c;
  --red-lit: #e86258;

  --oxblood: #8c3a3a;
  --oxblood-lit: #a8514c;
  --forest: #2f5a45;
  --forest-lit: #3f7458;
  --navy: #2b4668;
  --navy-lit: #3a5c85;
  --slate: #444d55;
  --slate-lit: #5a656f;
  --slate-ink: #3e464e;
  --tan: #8a6a3c;
  --tan-lit: #a4834f;

  
  --brass: #f0d9a8;
  --brass-dim: #c3a76a;
  --silver: #dfe4e7;
  --silver-dim: #a9b2b8;
  --ink-foil: #16191c;
  --ink-foil-dim: #3d444a;

  





  --page: #fbf9f3;
  --page-lit: #ffffff;
  --page-shade: #f1efe8;
  --page-edge: #e4dfd2;
  --grid: rgba(64, 104, 128, 0.13);
  --grid-major: rgba(64, 104, 128, 0.22);

  



  --wire: #9aa3aa;
  --wire-lit: #f2f5f7;
  --wire-dark: #5c666e;
  --punch: rgba(12, 18, 22, 0.62);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}






body.library-room {
  margin: 0;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  display: flex;
  flex-direction: column;
  overflow: hidden;

  background-color: var(--bench);
  background-image:
    radial-gradient(90% 60% at 50% 4%, var(--bench-lit) 0%, transparent 74%),
    linear-gradient(180deg, rgba(28, 40, 48, 0) 62%, rgba(28, 40, 48, 0.22) 100%),
    repeating-linear-gradient(0deg, var(--bench-line) 0 1px, rgba(0, 0, 0, 0) 1px 24px),
    repeating-linear-gradient(90deg, var(--bench-line) 0 1px, rgba(0, 0, 0, 0) 1px 24px);
}



.room-bar {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  align-items: baseline;
  gap: 18px;
  padding: 16px clamp(14px, 4vw, 40px) 12px;
}

.leave {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  

  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--room-line);
  border-radius: 6px;
  background: var(--surface-raised);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.leave:hover,
.leave:focus-visible {
  border-color: var(--rail);
  color: var(--ink);
}



.room-bar .appearance-open {
  margin: 0;
  justify-self: end;
  letter-spacing: 0.08em;
}

.room-bar .external {
  justify-self: end;
  white-space: nowrap;
}

.room-bar h1 {
  margin: 0;
  text-align: center;
  font-size: clamp(15px, 2.6vw, 22px);
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--ink);
  text-shadow: 0 1px 0 var(--surface-raised);
}

.hint {
  margin: 0;
  text-align: right;
  font-size: 12px;
  color: var(--ink-soft);
}



.room {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(4px, 1.4vw, 16px);
  padding: 0 clamp(6px, 2vw, 24px);
}

.walk {
  width: clamp(44px, 5vw, 54px);
  height: clamp(72px, 11vh, 104px);
  border: 1px solid var(--rail-dark);
  border-radius: 8px;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
  color: #eef2f4;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0) 45%),
    var(--rail);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 4px 10px -4px rgba(20, 30, 38, 0.6);
}

.walk:hover {
  background-color: var(--rail-lit);
}

.walk:active {
  transform: translateY(1px);
}

.walk:focus-visible {
  outline: 3px solid var(--rail-dark);
  outline-offset: 3px;
}

.walk[disabled] {
  opacity: 0.3;
  cursor: default;
}






.case {
  position: relative;
  overflow: hidden;
  

  width: min(944px, 100%);
  justify-self: center;
  padding: 0;
}

.case:focus-visible {
  outline: 3px solid var(--rail);
  outline-offset: 6px;
  border-radius: 4px;
}



.travel {
  transform: translate3d(0, 0, 0);
  transition: transform 320ms cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.row {
  display: flex;
  align-items: flex-end;
  gap: clamp(14px, 2.4vw, 30px);
  padding: 26px clamp(10px, 2vw, 26px) 0;
}


.plank {
  height: clamp(12px, 1.6vh, 18px);
  border-radius: 0 0 3px 3px;
  background: linear-gradient(
    180deg,
    var(--rail-lit) 0%,
    var(--rail-lit) 28%,
    var(--rail) 29%,
    var(--rail) 74%,
    var(--rail-dark) 75%,
    var(--rail-dark) 100%
  );
  box-shadow: 0 12px 22px -12px rgba(20, 30, 38, 0.75);
}





















.book {
  --cover: var(--slate);
  --cover-lit: var(--slate-lit);
  --cover-ink: var(--slate-ink);
  --foil: var(--brass);
  --foil-dim: var(--brass-dim);

  position: relative;
  flex: 0 0 auto;
  width: clamp(150px, 19vw, 196px);
  

  aspect-ratio: 390 / 472;
  height: auto;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
  transition: transform 200ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.book .cover {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.book:hover,
.book:focus-visible {
  transform: translateY(-7px);
  outline: none;
}

.book:focus-visible .board {
  stroke: var(--ink);
  stroke-width: 2;
}


.book.pulled {
  transform: translateY(-18px) scale(1.03);
}


.cover .bench-shadow { fill: #2a2a28; opacity: 0.10; }
.cover .drop-shadow  { fill: #2a2a28; opacity: 0.07; }




.cover .wire {
  fill: none;
  stroke: #17191b;
  stroke-width: 3.2;
  stroke-linecap: round;
}

.cover .wire-sheen {
  fill: none;
  stroke: #9aa1a7;
  stroke-linecap: round;
}

.cover .wire-back-sheen  { stroke-width: 1;   opacity: 0.45; }
.cover .wire-front-sheen { stroke-width: 0.9; opacity: 0.5; }

.cover .holes {
  fill: #c3c6c0;
  stroke: #8d9189;
  stroke-width: 0.6;
}



.cover .leaf-4 { fill: #e4dfce; }
.cover .leaf-3 { fill: #f2eee1; }
.cover .leaf-2 { fill: #faf8f1; }
.cover .leaf-1 { fill: #fcfbf7; stroke: #dcd8cc; stroke-width: 0.6; }
.cover .leaf-gutter { fill: #efebe0; opacity: 0.7; }




.cover .board {
  fill: var(--cover);
  stroke: rgba(0, 0, 0, 0.32);
  stroke-width: 0.8;
}

.cover .board-spine { fill: #000; opacity: 0.22; }
.cover .tab         { fill: var(--cover); }
.cover .tab-shade   { fill: #000; opacity: 0.18; }
.cover .brand-dot   { fill: var(--cover); }



.cover text {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 500;
}

.cover .brand-flask {
  fill: none;
  stroke: #1c3d5a;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cover .brand-name {
  fill: #16293c;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.cover .eyebrow {
  fill: var(--cover-ink);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.cover .title-line {
  fill: #16293c;
  font-size: 27px;
  letter-spacing: -0.6px;
}

.cover .title-long .title-line {
  font-size: 22px;
  letter-spacing: -0.4px;
}

.cover .kind {
  fill: var(--cover-ink);
  font-size: 12px;
  letter-spacing: 3.4px;
  text-transform: uppercase;
}


.cover .drawing-line {
  fill: none;
  stroke: #1c3d5a;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cover .drawing-top  { fill: #e6f1fb; }
.cover .drawing-side { fill: #d3e4f5; }
.cover .drawing-face { fill: #ffffff; }
.cover .drawing-ports { fill: #1c3d5a; opacity: 0.9; }
.cover .illustration .motif { color: #1c3d5a; }



.cover .tick {
  fill: none;
  stroke: #1c3d5a;
  stroke-width: 1.4;
}

.cover .task-name {
  fill: #20374c;
  font-size: 12px;
  font-weight: 400;
}

.cover .task.more .task-name {
  fill: #5f6e7a;
  font-style: italic;
}


.cover .tagline {
  fill: var(--cover-ink);
  font-family: "Segoe Script", "Bradley Hand", "Brush Script MT", "Snell Roundhand", cursive;
  

  font-size: 17px;
  font-weight: 400;
  font-style: italic;
}




[data-cover="blue"]    { --cover: var(--blue);    --cover-lit: var(--blue-lit);    --cover-ink: #235a9e; }
[data-cover="green"]   { --cover: var(--green);   --cover-lit: var(--green-lit);   --cover-ink: #2f8a5f; }
[data-cover="orange"]  { --cover: var(--orange);  --cover-lit: var(--orange-lit);  --cover-ink: #a85a12; }
[data-cover="purple"]  { --cover: var(--purple);  --cover-lit: var(--purple-lit);  --cover-ink: #5d3ba0; }
[data-cover="red"]     { --cover: var(--red);     --cover-lit: var(--red-lit);     --cover-ink: #a8332b; }
[data-cover="oxblood"] { --cover: var(--oxblood); --cover-lit: var(--oxblood-lit); --cover-ink: #7a2f2f; }
[data-cover="forest"]  { --cover: var(--forest);  --cover-lit: var(--forest-lit);  --cover-ink: #2a4f3d; }
[data-cover="navy"]    { --cover: var(--navy);    --cover-lit: var(--navy-lit);    --cover-ink: #2b4668; }
[data-cover="slate"]   { --cover: var(--slate);   --cover-lit: var(--slate-lit);   --cover-ink: #3e464e; }
[data-cover="tan"]     { --cover: var(--tan);     --cover-lit: var(--tan-lit);     --cover-ink: #7a5d34; }

[data-accent="brass"]  { --foil: var(--brass);  --foil-dim: var(--brass-dim); }
[data-accent="silver"] { --foil: var(--silver); --foil-dim: var(--silver-dim); }
[data-accent="ink"]    { --foil: var(--ink-foil); --foil-dim: var(--ink-foil-dim); }

.position {
  flex: 0 0 auto;
  margin: 0;
  padding: 12px 0 18px;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}



.reading {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: clamp(10px, 3vw, 40px);
}




.reading[hidden] {
  display: none;
}













.reading-veil {
  position: absolute;
  inset: 0;
  background: rgba(233, 237, 238, 0.55);
  backdrop-filter: blur(3px) saturate(0.85);
}



.spread {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 34px 1fr;
  width: min(1040px, 100%);
  height: min(580px, 100%);
  border-radius: 5px;
  animation: open-book 260ms cubic-bezier(0.22, 0.61, 0.36, 1);

  


  padding: 11px 13px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.2)),
    linear-gradient(180deg, #3b4650, #232b32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -2px 3px rgba(0, 0, 0, 0.5),
    
    0 3px 0 -1px #ddd8ca,
    0 5px 0 -1px #b7b2a3,
    0 7px 0 -2px #948f81,
    


    0 26px 48px -20px rgba(20, 30, 38, 0.55);
}

@keyframes open-book {
  from {
    opacity: 0;
    transform: perspective(1400px) rotateX(9deg) scale(0.965);
  }
  to {
    opacity: 1;
    transform: none;
  }
}



.page {
  position: relative;
  overflow: auto;
  padding: clamp(20px, 3.4vw, 40px) clamp(18px, 3vw, 38px);
  color: #1f2529;
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  background-color: var(--page);
  background-image:
    repeating-linear-gradient(0deg, var(--grid) 0 1px, rgba(0, 0, 0, 0) 1px 22px),
    repeating-linear-gradient(90deg, var(--grid) 0 1px, rgba(0, 0, 0, 0) 1px 22px),
    repeating-linear-gradient(0deg, var(--grid-major) 0 1px, rgba(0, 0, 0, 0) 1px 110px),
    repeating-linear-gradient(90deg, var(--grid-major) 0 1px, rgba(0, 0, 0, 0) 1px 110px);
}

.page-left {
  border-radius: 3px 0 0 3px;
  box-shadow: inset -20px 0 22px -20px rgba(30, 45, 55, 0.45);
}

.page-right {
  border-radius: 0 3px 3px 0;
  box-shadow: inset 20px 0 22px -20px rgba(30, 45, 55, 0.45);
}





.gutter {
  background-color: #1a2026;
  background-image:
    radial-gradient(
      ellipse 15px 3.4px at 17px 9px,
      var(--wire-lit) 0 34%,
      var(--wire) 35% 78%,
      rgba(0, 0, 0, 0) 80%
    ),
    radial-gradient(
      circle 3.4px at 17px 18px,
      rgba(0, 0, 0, 0.85) 0 72%,
      rgba(0, 0, 0, 0) 74%
    ),
    linear-gradient(
      90deg,
      rgba(20, 26, 32, 0.75) 0%,
      rgba(60, 72, 82, 0.35) 40%,
      rgba(60, 72, 82, 0.35) 60%,
      rgba(20, 26, 32, 0.75) 100%
    );
  background-size: 34px 26px, 34px 26px, auto;
  background-repeat: repeat-y, repeat-y, no-repeat;
}

.page-body {
  max-width: 46ch;
}



.page-right .page-body {
  max-width: none;
}

.eyebrow {
  margin: 0 0 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.spread h2 {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.08;
  font-weight: 700;
}

.spread .rule {
  width: 56px;
  height: 3px;
  margin: 16px 0 18px;
  background: linear-gradient(90deg, #2f6f8f, rgba(47, 111, 143, 0));
}

.intro {
  margin: 0;
  font-size: clamp(14px, 1.6vw, 16.5px);
  line-height: 1.6;
}

.colophon {
  margin-top: 26px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}



.plate {
  margin-top: 22px;
  height: 84px;
  color: rgba(47, 111, 143, 0.34);
}

.chapters {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: chapter;
}

.chapters li {
  counter-increment: chapter;
  border-bottom: 1px solid rgba(64, 104, 128, 0.22);
}

.chapters li:first-child {
  border-top: 1px solid rgba(64, 104, 128, 0.22);
}






.chapters a,
.chapters .unwritten {
  display: grid;
  grid-template-columns: 2.4em 14px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  padding: 13px 4px;
  text-align: left;
  font: inherit;
  color: #1f2529;
  text-decoration: none;
  background: none;
  border: 0;
}

.chapters a::before,
.chapters .unwritten::before {
  content: counter(chapter, decimal-leading-zero);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--ink-soft);
}





.chapters .tick {
  width: 12px;
  height: 12px;
  

  align-self: start;
  margin-top: 4px;
  border: 1px solid rgba(64, 104, 128, 0.55);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.6);
}

.chapters a:hover,
.chapters a:focus-visible {
  background: rgba(47, 111, 143, 0.12);
  outline: none;
}

.chapters a:focus-visible {
  box-shadow: inset 0 0 0 2px #2f6f8f;
}

.chapter-title {
  font-size: clamp(14px, 1.5vw, 17px);
}

.chapter-summary {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: #55606a;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}






.state {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  white-space: nowrap;
  align-self: center;
  padding: 7px 12px;
  border-radius: 5px;
}

.state.go {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 1px 2px rgba(20, 30, 38, 0.25);
}

.chapters a:hover .state.go,
.chapters a:focus-visible .state.go {
  background: var(--blue-lit);
}

.state.planned {
  color: #6b7681;
  background: rgba(64, 104, 128, 0.1);
}

.chapters .unwritten {
  color: #77828b;
  cursor: default;
}

.shut {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 11px 17px;
  font: 600 12px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  color: #eef2f4;
  background: rgba(35, 43, 50, 0.92);
  border: 1px solid rgba(238, 242, 244, 0.35);
  border-radius: 6px;
  cursor: pointer;
}

.shut:hover {
  background: rgba(60, 72, 82, 0.95);
}

.shut:focus-visible {
  outline: 3px solid var(--wire);
  outline-offset: 2px;
}












@media (max-width: 720px) {
  .hint {
    display: none;
  }

  .room-bar {
    grid-template-columns: auto 1fr;
  }

  .room {
    gap: 4px;
    padding: 0 4px;
  }

  .walk {
    width: 46px;
    height: 92px;
  }

  .case {
    width: 100%;
  }

  .row {
    gap: 16px;
    padding: 22px 8px 0;
  }

  


  .book {
    width: calc(100vw - 128px);
    max-width: 300px;
  }

  .spread {
    grid-template-columns: 1fr;
    


    grid-template-rows: auto auto 14px auto;
    height: auto;
    max-height: calc(100dvh - 96px);
    overflow: auto;
    padding: 9px;
  }

  


  .gutter {
    background-image:
      radial-gradient(
        ellipse 3.4px 10px at 9px 17px,
        var(--wire-lit) 0 34%,
        var(--wire) 35% 78%,
        rgba(0, 0, 0, 0) 80%
      ),
      radial-gradient(
        circle 3px at 18px 17px,
        rgba(0, 0, 0, 0.8) 0 72%,
        rgba(0, 0, 0, 0) 74%
      ),
      linear-gradient(
        180deg,
        rgba(20, 26, 32, 0.7) 0%,
        rgba(60, 72, 82, 0.3) 50%,
        rgba(20, 26, 32, 0.7) 100%
      );
    background-size: 26px 34px, 26px 34px, auto;
    background-repeat: repeat-x, repeat-x, no-repeat;
  }

  .page-left,
  .page-right {
    border-radius: 0;
    box-shadow: none;
  }

  .page-left {
    padding-bottom: 10px;
  }

  

  .plate {
    display: none;
  }

  

  .page-right {
    padding-top: 14px;
    padding-bottom: 72px;
  }

  

  .shut {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 3;
    padding: 13px 18px;
  }
}







@media (prefers-reduced-motion: reduce) {
  .travel,
  .book {
    transition: none;
  }

  .spread {
    animation: none;
  }
}


















.dev-note {
  flex: 0 0 auto;
  max-width: 940px;
  margin: 0 auto clamp(6px, 1.2vh, 14px);
  padding: 10px clamp(12px, 2.4vw, 18px);
  border: 1px solid rgba(64, 104, 128, 0.32);
  border-left-width: 3px;
  border-radius: 3px;
  

  background: var(--surface-raised);
  color: var(--ink-soft);
}

.dev-note p {
  margin: 0;
  font-size: clamp(11px, 1.15vw, 12.5px);
  line-height: 1.5;
}

.dev-note strong {
  color: var(--ink);
  font-weight: 700;
}

.dev-note-title {
  margin-bottom: 3px !important;
  font-size: 10px !important;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}



.dev-note-inline {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(64, 104, 128, 0.22);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
  line-height: 1.5;
  color: #6b7a85;
  max-width: 46ch;
}

@media (max-width: 720px) {
  .dev-note {
    margin-bottom: 6px;
    padding: 8px 12px;
  }

  .dev-note p {
    font-size: 11px;
    line-height: 1.45;
  }

  










  .dev-note-inline {
    display: none;
  }
}









.written {
  font-family: "Segoe Script", "Bradley Hand", "Brush Script MT", cursive;
  letter-spacing: 0;
  text-transform: none;
}

.written-left,
.written-right {
  margin: 10px 0 0;
  font-size: 15px;
  color: #2f6f8f;
  transform: rotate(-1.5deg);
  transform-origin: left center;
}

.written-right {
  text-align: right;
  transform-origin: right center;
}



.rail {
  position: absolute;
  left: -108px;
  top: 34px;
  display: grid;
  gap: 6px;
  width: 108px;
}

.rail-tab {
  padding: 13px 14px;
  border: 0;
  border-radius: 7px 0 0 7px;
  font: inherit;
  font-size: 12px;
  text-align: left;
  

  color: #55606a;
  background: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  box-shadow: -1px 0 3px rgba(20, 30, 38, 0.12);
}

.rail-tab[aria-current="true"] {
  color: #1f2529;
  background: #eef3f7;
  font-weight: 600;
}

.rail-tab:focus-visible {
  outline: 2px solid #2f6f8f;
  outline-offset: 2px;
}




@media (max-width: 900px) {
  .rail {
    position: static;
    width: auto;
    grid-auto-flow: column;
    justify-content: start;
    



    grid-column: 1 / -1;
  }
}





@media (min-width: 721px) and (max-width: 900px) {
  .spread {
    grid-template-rows: auto minmax(0, 1fr);
  }

  .rail-tab {
    border-radius: 7px;
  }
}