.hidden,
[hidden] {
  display: none !important;
}

.net-banner {
  position: fixed;
  left: 50%;
  top: calc(10px + env(safe-area-inset-top));
  transform: translateX(-50%);
  z-index: 1200;
  min-width: min(92vw, 420px);
  max-width: min(92vw, 560px);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.net-banner-warn {
  background: rgba(255, 248, 230, 0.95);
  border-color: rgba(220, 170, 80, 0.4);
  color: var(--warning);
}

.net-banner-ok {
  background: rgba(234, 250, 244, 0.95);
  border-color: rgba(100, 185, 155, 0.4);
  color: var(--success);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 9px 14px;
  min-height: 40px;
  line-height: 1.2;
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0;
  cursor: pointer;
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: none;
  text-align: center;
  transition:
    transform 0.14s ease,
    box-shadow 0.14s ease,
    background 0.14s ease,
    border-color 0.14s ease,
    color 0.14s ease;
}

a.btn {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.56;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn.is-loading {
  pointer-events: none;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: btn-spin 0.7s linear infinite;
  opacity: 0.88;
}

.btn-primary {
  color: #fff;
  border-color: transparent;
  background: var(--accent);
  box-shadow: none;
}

.btn-soft,
.btn-secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface-solid);
  box-shadow: none;
}

.btn-ghost {
  color: var(--accent);
  border-color: rgba(26, 110, 245, 0.2);
  background: var(--accent-soft);
  box-shadow: none;
}

.btn-danger {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.2);
  background: var(--danger-soft);
  box-shadow: none;
}

.btn-full {
  width: 100%;
}

.btn-sm {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 0.84rem;
}

.message {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.message.success {
  color: var(--success);
}

.message.error {
  color: var(--danger);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(10px);
  background: #0f172a;
  color: #fff;
  border-radius: 999px;
  padding: 9px 15px;
  font-size: 0.88rem;
  opacity: 0;
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: #be123c;
}

.modal-sm { --modal-width: 520px; }
.modal-560 { --modal-width: 560px; }
.modal-620 { --modal-width: 620px; }
.modal-680 { --modal-width: 680px; }
.modal-md { --modal-width: 600px; }
.modal-lg { --modal-width: 800px; }
.modal-xl { --modal-width: 900px; }
.modal-z-1200 { z-index: 1200; }
.modal-z-1250 { z-index: 1250; }
.modal-z-1260 { z-index: 1260; }

.modal-help-list {
  margin: 8px 0 16px;
  padding: 0 0 0 20px;
  color: #475569;
  font-size: 14px;
  line-height: 1.8;
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-1px);
  }

  .btn-soft:hover,
  .btn-secondary:hover,
  .btn-ghost:hover {
    border-color: rgba(26, 110, 245, 0.35);
    background: var(--accent-soft);
  }

  .btn:active {
    transform: translateY(0) scale(0.98);
    transition-duration: 0.08s;
  }
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modal-overlay-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-shell-in {
  from {
    opacity: 0;
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes overlay-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes overlay-shell-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

@keyframes banner-pop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.46);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(3px);
  animation: modal-overlay-in 0.16s ease both;
}

.modal-shell {
  background: var(--bg-elevated);
  border: 1px solid rgba(216, 225, 237, 0.98);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.16);
  max-width: min(var(--modal-width, 600px), 100%);
  width: 100%;
  max-height: min(85vh, calc(100vh - 40px));
  overflow-y: auto;
  padding: 24px;
  animation: modal-shell-in 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
  transform-origin: center top;
  will-change: transform, opacity;
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--text);
}

.modal-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0 0 20px 0;
}

.modal-content {
  margin-bottom: 20px;
}