/* assets/base.css */
* { box-sizing: border-box; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Only for Frontend layout */
.fe-body{
  padding: 15px;
  background-image: linear-gradient(to right,
    rgb(244 67 54 / 0.3) 15%,
    rgb(9 121 43 / 0.3) 40%,
    rgb(0 185 255 / 0.3) 65%,
    rgb(255 184 0 / 0.3)
  );
}

@media (min-width: 400px) and (max-width:768px) { .fe-body{ background-color: violet; } }
@media (min-width: 768px) and (max-width:1199px) { .fe-body{ background-color: blueviolet; } }
@media (min-width: 1200px) and (max-width:2000px) { .fe-body{ background-color: white; } }

/* =========================================
   Frontend Shell UI (menu, list, prev/next)
   ========================================= */

.wsapp-shell{
  max-width: 1100px;
  margin: 0 auto;
}

.wsapp-topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;

  padding: 14px 14px;
  border-radius: 16px;

  background: rgba(255,255,255,.72);
  border: 1px solid rgba(0,0,0,.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 35px rgba(0,0,0,.10);

  margin-bottom: 14px;
}

.wsapp-brand{
  font-size: 16px;
  letter-spacing: .2px;
}

.wsapp-main{
  padding: 6px 2px 24px;
}

.wsapp-h2{
  margin: 10px 0 6px;
  font-size: 22px;
  line-height: 1.2;
}

.wsapp-muted{
  margin: 0 0 14px;
  font-size: 14px;
  opacity: .78;
}

/* panel where task content sits */
.wsapp-panel{
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 10px 35px rgba(0,0,0,.10);
}

/* buttons */
.wsapp-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;

  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.10);

  text-decoration:none;
  font-size: 14px;
  font-weight: 600;

  background: rgba(255,255,255,.85);
  color: rgba(0,0,0,.88);

  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease, opacity .12s ease;
}

.wsapp-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0,0,0,.14);
  border-color: rgba(0,0,0,.18);
}

.wsapp-btn:active{
  transform: translateY(0px) scale(.99);
  box-shadow: none;
}

.wsapp-btn--ghost{
  background: rgba(255,255,255,.55);
}

/* task prev/next nav */
.wsapp-navTask{
  margin-top: 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.wsapp-navTask .wsapp-btn{
  width: 100%;
}

@media (min-width: 720px){
  .wsapp-navTask .wsapp-btn{
    width: auto;
    min-width: 240px;
  }
}

/* list on frontend/index.html */
.wsapp-list{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 720px){
  .wsapp-list{
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px){
  .wsapp-list{
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.wsapp-listItem{
  display:block;
  padding: 14px 14px;
  border-radius: 18px;
  text-decoration:none;

  background: rgba(255,255,255,.70);
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,.10);

  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, background .12s ease;
}

.wsapp-listItem:hover{
  transform: translateY(-2px);
  border-color: rgba(0,0,0,.16);
  box-shadow: 0 16px 34px rgba(0,0,0,.16);
  background: rgba(255,255,255,.82);
}

.wsapp-listItem__title{
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  color: rgba(0,0,0,.88);
  letter-spacing: .2px;
}

.wsapp-listItem__meta{
  margin: 0;
  font-size: 13px;
  opacity: .75;
}

/* small polish */
.fe-task{
  overflow-x: auto;
}

/* focus visibility */
.wsapp-btn:focus-visible,
.wsapp-listItem:focus-visible{
  outline: 2px solid rgba(0,0,0,.85);
  outline-offset: 3px;
}
/* =============================
   HOMEWORK GLOBAL LOADER
   ============================= */

.hw-loader{
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(0,0,0,.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 9999;
}

.hw-loader--active{
  opacity: 1;
  visibility: visible;
}

.hw-loader__box{
  min-width: 220px;
  padding: 26px 30px;
  border-radius: 20px;

  background: rgba(255,255,255,.85);
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 20px 50px rgba(0,0,0,.25);

  display:flex;
  flex-direction: column;
  align-items:center;
  gap: 14px;

  animation: hwFadeIn .25s ease;
}

@keyframes hwFadeIn{
  from{ transform: translateY(8px); opacity:0 }
  to{ transform: translateY(0); opacity:1 }
}

.hw-loader__spinner{
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 4px solid rgba(0,0,0,.1);
  border-top: 4px solid rgba(0,0,0,.85);
  animation: hwSpin .8s linear infinite;
}

@keyframes hwSpin{
  to{ transform: rotate(360deg); }
}

.hw-loader__text{
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  opacity: .8;
}