/* ====================================================
   UI Components · Toast / Modal / Skeleton / Empty
   ==================================================== */
.toast-container{
  position:fixed;top:16px;right:16px;z-index:1000;
  display:flex;flex-direction:column;gap:8px;max-width:calc(100vw - 32px);
  pointer-events:none;
}
.toast{
  pointer-events:auto;min-width:240px;max-width:360px;
  background:#fff;border-left:4px solid var(--vp-gray-500);border-radius:6px;
  padding:12px 16px 12px 14px;box-shadow:0 10px 30px rgba(0,0,0,.18);
  display:flex;gap:10px;align-items:flex-start;animation:toastIn .25s ease;
  font-size:13px;line-height:1.45;
}
.toast.success{border-left-color:var(--pass);background:#f0fdf4}
.toast.error{border-left-color:var(--fail);background:#fef2f2}
.toast.warn{border-left-color:var(--warn);background:#fffbeb}
.toast.info{border-left-color:var(--info);background:#eff6ff}
.toast .toast-icon{font-weight:800;font-size:16px;line-height:1.2;flex-shrink:0;width:18px;text-align:center}
.toast.success .toast-icon{color:var(--pass)}
.toast.error .toast-icon{color:var(--fail)}
.toast.warn .toast-icon{color:var(--warn)}
.toast.info .toast-icon{color:var(--info)}
.toast .toast-body{flex:1;min-width:0}
.toast .toast-title{font-weight:700;margin-bottom:2px;color:var(--vp-black)}
.toast .toast-msg{color:var(--vp-gray-700);font-size:12px}
.toast .toast-close{
  background:none;border:none;cursor:pointer;color:var(--vp-gray-400);
  font-size:18px;line-height:1;padding:0 4px;margin-left:4px;flex-shrink:0;
}
.toast .toast-close:hover{color:var(--vp-black)}
.toast.leaving{animation:toastOut .2s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{to{opacity:0;transform:translateX(20px)}}

/* Modal */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:900;
  display:flex;align-items:center;justify-content:center;padding:20px;
  animation:fadeIn .2s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:#fff;border-radius:10px;max-width:480px;width:100%;
  max-height:calc(100vh - 40px);overflow:auto;
  box-shadow:0 20px 60px rgba(0,0,0,.3);border-top:4px solid var(--vp-red);
  animation:modalIn .25s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--vp-gray-200);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{margin:0;font-size:16px;color:var(--vp-black);font-weight:700;border:0;padding:0}
.modal-header h3::before{content:none}
.modal-close{background:none;border:none;cursor:pointer;color:var(--vp-gray-400);font-size:22px;line-height:1;padding:0;width:28px;height:28px;border-radius:4px}
.modal-close:hover{background:var(--vp-gray-100);color:var(--vp-black)}
.modal-body{padding:18px 20px;color:var(--vp-gray-700);font-size:14px;line-height:1.6}
.modal-body input,.modal-body textarea,.modal-body select{margin-top:8px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--vp-gray-200);display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}

/* Skeleton loader */
.skeleton{
  background:linear-gradient(90deg,#f0f0f0 25%,#e4e4e4 50%,#f0f0f0 75%);
  background-size:200% 100%;animation:skeletonShimmer 1.4s ease infinite;
  border-radius:4px;display:inline-block;
}
@keyframes skeletonShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skeleton-line{height:14px;width:100%;margin:6px 0}
.skeleton-line.short{width:40%}
.skeleton-line.medium{width:70%}
.skeleton-row{display:flex;gap:12px;padding:10px 12px;border-bottom:1px solid var(--vp-gray-100)}
.skeleton-block{height:80px;border-radius:6px;margin:8px 0}

/* Empty state */
.empty-state{
  padding:48px 24px;text-align:center;color:var(--vp-gray-500);
}
.empty-state-icon{
  font-size:48px;margin-bottom:12px;opacity:.4;display:block;
}
.empty-state-title{font-size:15px;font-weight:600;color:var(--vp-gray-600);margin-bottom:6px}
.empty-state-msg{font-size:13px;margin-bottom:14px}
.empty-state .btn{margin:0 auto}

/* Spinner inline */
.spinner-inline{
  display:inline-block;width:14px;height:14px;border-radius:50%;
  border:2px solid currentColor;border-top-color:transparent;
  animation:spin .7s linear infinite;vertical-align:middle;
}

/* Loading overlay */
.loading-overlay{
  position:absolute;inset:0;background:rgba(255,255,255,.7);
  display:flex;align-items:center;justify-content:center;border-radius:inherit;
  z-index:5;
}
.loading-overlay .spinner-inline{width:28px;height:28px;border-width:3px;color:var(--vp-red)}