/* ============ Start page (refactored) ============ */

/* Layout */
.start-wrap{
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:calc(100vh - 180px);
  padding:16px 0;
}

.start-card{
  width:100%;
  max-width:clamp(540px, 62vw, 680px);
  margin:0 auto;
  border-radius:16px;
  background:linear-gradient(180deg,#ffffff 0%, #f7f8ff 100%);
  border:1px solid rgba(0,0,0,.06);
  box-shadow:0 10px 30px rgba(0,0,0,.12);
  padding:clamp(18px, 2.3vw, 30px);
  transition:transform .18s ease, box-shadow .18s ease;
}
.start-card:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(0,0,0,.14);
}

/* Hero */
.start-hero{
  text-align:center;
  margin-bottom:14px;
}

.start-title{
  font-size:clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight:900;
  letter-spacing:.2px;
  color:#1F252E;
  position:relative;
  display:inline-block;
  margin:0 0 6px;
  text-shadow:0 1px 0 rgba(0,0,0,.04);
}
.start-title::after{
  content:"";
  display:block;
  height:4px;
  width:min(240px, 65%);
  margin:10px auto 0;
  border-radius:9999px;
  background:linear-gradient(90deg,#0000CD,#C1205A,#00B0FF,#8A2BE2);
  background-size:220% 100%;
  box-shadow:0 2px 10px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.04) inset;
  animation:startUnderlineFlow 7s ease-in-out infinite;
}
@keyframes startUnderlineFlow{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@media (prefers-reduced-motion:reduce){
  .start-title::after{ animation:none; }
}

.start-subtitle{
  margin:0;
  color:#6c757d;
  font-size:clamp(.95rem, 1.3vw, 1rem);
}

/* Actions */
.start-actions{
  max-width:420px;
  margin:0 auto;
}

/* ================== Buttons (оба одинаковые) ================== */
.start-btn,
.start-btn--outline {
  position:relative;
  display:block;
  width:100%;

  border-radius:16px;
  font-weight:800;
  font-size:1.05rem;
  padding:1rem 1.25rem;
  line-height:1.3;
  color:#fff;
  text-align:center;
  text-shadow:0 1px 2px rgba(0,0,0,.4);

  border:0;
  background:
    radial-gradient(circle at 0% 0%, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 60%),
    linear-gradient(160deg,#0000CD 0%, #4B00E0 60%, #7B1FA2 100%);
  box-shadow:
    4px 4px 14px rgba(0,0,205,.45),   /* glow справа-снизу */
    0 8px 20px rgba(0,0,0,.18),
    inset 0 0 8px rgba(255,255,255,.05);
  transition:
    transform .16s cubic-bezier(.2,.8,.4,1),
    box-shadow .16s cubic-bezier(.2,.8,.4,1),
    background .18s ease,
    filter .18s ease;
}

/* hover */
.start-btn:hover,
.start-btn--outline:hover {
  transform:translateY(-1px) scale(1.01);
  background:
    radial-gradient(circle at 0% 0%, rgba(255,255,255,.16) 0%, rgba(255,255,255,0) 60%),
    linear-gradient(150deg,#0000CD 0%, #C1205A 60%, #FF007A 100%);
  box-shadow:
    5px 5px 18px rgba(193,32,90,.55), /* розово-фиолетовый акцент */
    0 10px 24px rgba(0,0,0,.22),
    inset 0 0 10px rgba(255,255,255,.06);
  filter:brightness(1.03);
}

/* active */
.start-btn:active,
.start-btn--outline:active {
  transform:translateY(0) scale(1.0);
  box-shadow:
    3px 3px 12px rgba(193,32,90,.4),
    0 6px 14px rgba(0,0,0,.2),
    inset 0 0 6px rgba(255,255,255,.04);
  filter:brightness(.98);
}

/* focus ring (keyboard focus) */
.start-btn:focus-visible,
.start-btn--outline:focus-visible {
  outline:none;
  box-shadow:
    0 0 0 3px rgba(255,255,255,1),
    0 0 0 6px rgba(0,0,205,.4),
    5px 5px 20px rgba(0,0,205,.45);
}

/* disabled / coming soon */
.start-btn--disabled {
  position:relative;
  display:block;
  width:100%;

  background:#f1f2f7 !important;
  color:#6c6f80 !important;
  border:1px solid rgba(0,0,0,.08) !important;
  border-radius:16px;
  font-weight:800;
  font-size:1.05rem;
  padding:1rem 1.25rem;
  line-height:1.3;
  text-align:center;

  cursor:not-allowed !important;
  pointer-events:none;
  opacity:1;

  box-shadow:0 4px 12px rgba(0,0,0,.05);
}
.start-btn--disabled:hover,
.start-btn--disabled:active {
  transform:none;
  box-shadow:0 4px 12px rgba(0,0,0,.05);
}

.start-btn,
.start-btn--outline {
  animation: btnGlowPulse 4s ease-in-out infinite;
}

@keyframes btnGlowPulse {
  0% {
    box-shadow:
      4px 4px 14px rgba(0,0,205,.40),
      0 8px 20px rgba(0,0,0,.16),
      inset 0 0 8px rgba(255,255,255,.04);
    filter: brightness(1);
  }
  50% {
    box-shadow:
      4px 4px 16px rgba(0,0,255,.55),
      0 10px 22px rgba(0,0,0,.18),
      inset 0 0 10px rgba(255,255,255,.06);
    filter: brightness(1.05);
  }
  100% {
    box-shadow:
      4px 4px 14px rgba(0,0,205,.40),
      0 8px 20px rgba(0,0,0,.16),
      inset 0 0 8px rgba(255,255,255,.04);
    filter: brightness(1);
  }
}

/* бейдж "Coming soon" */
.start-badge-comingsoon {
  position:absolute;
  top:-8px;
  right:-8px;
  font-size:0.7rem;
  line-height:1.2;
  font-weight:700;
  border-radius:8px;
  padding:0.3rem 0.45rem;
  box-shadow:0 6px 16px rgba(0,0,0,.18);
  border:1px solid rgba(0,0,0,.15);
  text-transform:uppercase;
  letter-spacing:.03em;
  pointer-events:none;
}
@media (max-width:480px){
  .start-badge-comingsoon {
    top:-6px;
    right:-6px;
    font-size:0.65rem;
    padding:0.28rem 0.4rem;
  }
}

/* ==== Join Room: tabs, list, cards, skeletons ==== */
.start-tabs .nav-link{
  border:0;
  font-weight:700;
  color:#223;
  padding:.75rem 1rem;
}
.start-tabs .nav-link.active{
  color:#111;
  border-bottom:2px solid #0000CD;
}
.start-tabs { padding:0 1rem; }

.rooms-list{
  display:grid;
  grid-template-columns:1fr;
  gap:.75rem;
  max-height:55vh;
  overflow:auto;
  padding:.25rem 0;
}
.rooms-list::-webkit-scrollbar{ width:8px; }
.rooms-list::-webkit-scrollbar-thumb{
  background:rgba(0,0,0,.12);
  border-radius:8px;
}
.rooms-list:hover::-webkit-scrollbar-thumb{
  background:rgba(0,0,0,.22);
}

.room-card{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:.75rem;
  border:1px solid rgba(0,0,0,.06);
  border-radius:14px;
  padding:.75rem 1rem;
  background:linear-gradient(180deg,#ffffff 0%, #f9faff 100%);
  box-shadow:0 2px 10px rgba(0,0,0,.05);
  transition:transform .12s ease, box-shadow .12s ease;
}
.room-card:hover{
  transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(0,0,0,.08);
}
.room-card__title{
  font-weight:800;
  letter-spacing:.2px;
}
.room-card__meta{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-top:.25rem;
  font-size:.92rem;
  color:#4a4f63;
}
.room-card__right{
  display:flex;
  gap:.5rem;
  align-items:center;
}
.room-card__sub{
  background:#ffd966;
  color:#3a2b00;
}

.room-card__join.btn{
  border-radius:10px;
  font-weight:800;
  padding:.5rem .9rem;
}
.room-card__join.btn:focus-visible{
  outline:2px solid #0000CD;
  outline-offset:2px;
}

.room-card--skeleton{
  position:relative;
  overflow:hidden;
  height:68px;
  border-radius:14px;
  border:none;
  box-shadow:none;
  background:linear-gradient(90deg,#f3f3f3 25%, #ececec 37%, #f3f3f3 63%);
  background-size:400% 100%;
  animation:joinShimmer 1.2s infinite linear;
}
@keyframes joinShimmer{
  0%{background-position:100% 0;}
  100%{background-position:-100% 0;}
}
#roomsEmpty p{ margin:0; }

.start-modal-dialog.modal-lg{
  max-width:560px;
}
@media (max-width:576px){
  .start-modal-dialog{ max-width:94vw; }
}

.start-modal--join .modal-footer{
  justify-content:center;
}
.start-modal--join .btn{
  border-radius:12px;
}

.start-modal .form-control:focus{
  border-color:#0000CD;
  box-shadow:0 0 0 .2rem rgba(0,0,205,.15);
}

@media (max-width:420px){
  .room-card{
    grid-template-columns:1fr;
    gap:.5rem;
  }
  .room-card__right{
    justify-content:space-between;
  }
}

/* ============ Overlay ============ */
.overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.45);
  backdrop-filter:blur(1px);
  z-index:1040;
  display:none;
}

/* ============ Preloader ============ */
.preloader{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.65);
  z-index:1050;
}
.preloader .spinner{
  width:48px;
  height:48px;
  border:4px solid rgba(0,0,0,.12);
  border-top-color:#0000CD;
  border-radius:50%;
  animation:spin 1s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

.tooltip-custom{
  max-width:220px;
}
.tooltip-custom p{
  margin:0;
}

@media (min-width:1200px){
  .start-card{ padding:26px 30px; }
}
@media (min-height:900px){
  .start-wrap{ min-height:calc(100vh - 200px); }
}