:root{
  --sdl-green: #16a34a;     /* emerald-600 */
  --sdl-green-soft: #22c55e;
  --sdl-blue: #2563eb;      /* blue-600 */
  --sdl-blue-soft: #3b82f6;

  --sdl-gradient-main: linear-gradient(
    135deg,
    var(--sdl-green),
    var(--sdl-blue)
  );

  --sdl-gradient-soft: linear-gradient(
    135deg,
    rgba(34,197,94,.15),
    rgba(59,130,246,.15)
  );
}

/* Card */
.sdl-card{
  margin:18px 0;
  padding:18px;
  border-radius:18px;
  border:1px solid rgba(22,163,74,.18);
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.9)),
    var(--sdl-gradient-soft);
  box-shadow:
    0 10px 30px rgba(34,197,94,.15),
    0 6px 18px rgba(59,130,246,.08);
}

.sdl-hidden{display:none !important;}

/* Badge */
.sdl-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  font-size:12px;
  font-weight:800;
  border-radius:999px;
  background: rgba(34,197,94,.15);
  color: var(--sdl-green);
}

.sdl-badge-success{
  background: rgba(34,197,94,.18);
  color: #15803d;
}

/* Titles */
.sdl-title{
  margin:10px 0 6px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.2px;
  color:#0f172a;
}

.sdl-subtitle{
  margin:0 0 14px;
  color:#334155;
}

/* Timer */
.sdl-timer{
  font-variant-numeric: tabular-nums;
  color: var(--sdl-green);
  font-weight:900;
}

/* Progress */
.sdl-progress{
  height:10px;
  border-radius:999px;
  background: rgba(22,163,74,.12);
  overflow:hidden;
  margin:12px 0 16px;
}

.sdl-progress-bar{
  height:100%;
  width:0%;
  border-radius:999px;
  background: var(--sdl-gradient-main);
  transition: width .25s ease;
  box-shadow: 0 0 12px rgba(34,197,94,.5);
}

/* Actions */
.sdl-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.sdl-actions-row{
  align-items:stretch;
}

.sdl-hint{
  font-size:13px;
  color:#475569;
}

/* Buttons */
.sdl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 18px;
  border-radius:14px;
  text-decoration:none;
  font-weight:900;
  border:1px solid transparent;
  cursor:pointer;
  transition:
    transform .08s ease,
    box-shadow .15s ease,
    filter .15s ease;
  line-height:1;
}

.sdl-btn:active{
  transform: scale(.97);
}

/* Primary button (positive action) */
.sdl-btn-primary{
  background: var(--sdl-gradient-main);
  color:#fff;
  box-shadow:
    0 14px 34px rgba(34,197,94,.35),
    0 8px 20px rgba(59,130,246,.25);
}

.sdl-btn-primary:hover{
  filter: brightness(1.05);
  box-shadow:
    0 18px 44px rgba(34,197,94,.45),
    0 12px 26px rgba(59,130,246,.35);
}

/* Button icon */
.sdl-btn-icon{
  display:inline-flex;
  width:24px;
  height:24px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background: rgba(255,255,255,.22);
  font-size:14px;
}

/* Ghost button (copy) */
.sdl-btn-ghost{
  background: rgba(22,163,74,.06);
  border-color: rgba(22,163,74,.25);
  color: #166534;
}

.sdl-btn-ghost:hover{
  background: rgba(22,163,74,.12);
}

/* Direct link box */
.sdl-direct{
  margin-top:14px;
  padding:12px;
  border-radius:14px;
  border:1px dashed rgba(22,163,74,.35);
  background: rgba(34,197,94,.06);
  overflow-wrap:anywhere;
}

.sdl-direct-label{
  font-weight:800;
  margin-right:6px;
  color:#166534;
}

.sdl-direct-link{
  color: var(--sdl-blue);
  text-decoration: underline;
}

/* Copy toast */
.sdl-copy-toast{
  font-size:13px;
  font-weight:900;
  color: var(--sdl-green);
}

/* Noscript */
.sdl-noscript{
  margin-top:12px;
  color:#475569;
}