/* ============================================================
   COMPONENTS — Кнопки, формы, модалки, тосты
   ============================================================ */

/* ============================================================
   КНОПКИ
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 26px;
  border-radius: var(--r-md);
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  line-height: 1.2;
  min-height: 44px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--grad-accent);
  color: var(--on-accent);
  box-shadow: var(--shadow-accent);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover::before { left: 100%; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-outline {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: var(--border-2);
  color: var(--text-2);
  background: var(--surface);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4a5a, #c62828);
  color: #ffffff;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 74, 90, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, #4cd964, #2e7d32);
  color: #ffffff;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(76, 217, 100, 0.4);
}

.btn-sm {
  padding: 9px 16px;
  font-size: var(--fs-sm);
  min-height: 36px;
  border-radius: var(--r-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--fs-md);
  min-height: 54px;
}

.btn-full { width: 100%; }
.btn i { font-size: 0.9em; }

/* ============================================================
   КАРТОЧКИ
   ============================================================ */
.card {
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: all var(--t-base);
}

.card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   ФОРМЫ
   ============================================================ */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.field:last-child { margin-bottom: 0; }

.field label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.field label .req { color: var(--accent); }

.field input,
.field textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-0);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: var(--fs-md);
  transition: all var(--t-base);
  min-height: 48px;
  font-family: inherit;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-1);
}

.field textarea {
  resize: vertical;
  line-height: 1.6;
  min-height: 100px;
  padding-top: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
}

/* ============================================================
   КАСТОМНЫЙ SELECT
   ============================================================ */
.sk-select {
  position: relative;
  width: 100%;
}

.sk-select-native {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.sk-select-trigger {
  width: 100%;
  padding: 14px 48px 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-0);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: var(--fs-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-base);
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  user-select: none;
}

.sk-select-trigger:hover {
  border-color: var(--accent-border);
  background: var(--bg-1);
}

.sk-select-trigger.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.sk-select-value {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.sk-select-value.placeholder {
  color: var(--text-4);
}

.sk-select-trigger i {
  color: var(--accent);
  font-size: 12px;
  transition: transform 0.3s var(--ease-out);
  flex-shrink: 0;
}

.sk-select-trigger.active i {
  transform: rotate(180deg);
}

.sk-select-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-2);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xl);
  max-height: 320px;
  overflow-y: auto;
  z-index: 10000;
  padding: 6px;
  display: none;
  animation: skSelectIn 0.2s var(--ease-out);
}

.sk-select-dropdown.open { display: block; }

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

/* ★ Портал: дропдаун открывается вверх, если места снизу нет */
.sk-select-dropdown.open-up {
  animation: skSelectInUp 0.2s var(--ease-out);
}

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

.sk-select-option {
  padding: 12px 14px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: var(--fs-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.sk-select-option:hover {
  background: var(--accent-dim);
  color: var(--text);
}

.sk-select-option.selected {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
}

.sk-select-option.selected::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: auto;
  font-size: 11px;
}

.sk-select-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 4px;
}

.sk-select-option.depth-1 { padding-left: 28px; }
.sk-select-option.depth-2 { padding-left: 44px; }

.sk-select-dropdown::-webkit-scrollbar { width: 6px; }

.sk-select-dropdown::-webkit-scrollbar-track {
  background: var(--bg-subtle-1);
  border-radius: var(--r-full);
}

.sk-select-dropdown::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--r-full);
}

.select {
  padding: 14px 44px 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-0);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: var(--fs-md);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%233fc7e0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  font-weight: 600;
  transition: all var(--t-base);
  min-height: 48px;
}

.select:focus { border-color: var(--accent); }

/* ============================================================
   МОДАЛЬНЫЕ ОКНА
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--overlay-modal);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-out), visibility 0.3s var(--ease-out);
  overflow-y: auto;
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 680px;
  background: var(--bg-2);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-12) var(--sp-10) var(--sp-10);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.96) translateY(20px);
  transition: transform 0.4s var(--ease-out);
}

.modal.open .modal-box {
  transform: scale(1) translateY(0);
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-accent);
  border-radius: var(--r-2xl) var(--r-2xl) 0 0;
}

.modal-sm { max-width: 440px; }
.modal-md { max-width: 680px; }
.modal-lg { max-width: 900px; }
.modal-xl { max-width: 1200px; }

.modal-close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 14px;
  transition: all var(--t-base);
  cursor: pointer;
  z-index: 2;
}

.modal-close:hover {
  background: var(--accent);
  color: var(--on-accent);
  transform: rotate(90deg);
}

.modal-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--r-full);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-4);
}

.modal-title {
  font-family: var(--font-head);
  font-size: var(--fs-2xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--sp-5);
  color: var(--text);
}

.modal-sub {
  font-size: var(--fs-md);
  color: var(--text-2);
  margin-bottom: var(--sp-6);
}

.modal-actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .modal { padding: var(--sp-4); }
  .modal-box { padding: var(--sp-10) var(--sp-5) var(--sp-6); }
  .modal-title { font-size: var(--fs-xl); }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .btn { width: 100%; }
}

/* ============================================================
   ТОСТЫ
   ============================================================ */
.toasts {
  position: fixed;
  top: var(--sp-6);
  right: var(--sp-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 380px;
  width: calc(100% - 48px);
  pointer-events: none;
}

.toast {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  background: var(--bg-2);
  border: 1px solid var(--accent-border);
  color: var(--text);
  font-size: var(--fs-base);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: toastIn 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--grad-accent);
}

.toast.success::before { background: var(--success); }
.toast.error::before { background: var(--danger); }
.toast.warning::before { background: var(--warning); }

.toast-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--accent-dim);
  color: var(--accent);
  flex-shrink: 0;
}

.toast.success .toast-icon { background: var(--success-dim); color: var(--success); }
.toast.error .toast-icon { background: var(--danger-dim); color: var(--danger); }
.toast.warning .toast-icon { background: var(--warning-dim); color: var(--warning); }

.toast-title { font-weight: 700; font-size: var(--fs-sm); margin-bottom: 2px; }
.toast-message { font-size: var(--fs-sm); color: var(--text-3); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(120%); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.hide {
  opacity: 0;
  transform: translateX(120%);
  transition: all 0.35s ease;
}

@media (max-width: 640px) {
  .toasts {
    left: var(--sp-3);
    right: var(--sp-3);
    top: 80px;
    max-width: none;
    width: auto;
  }
}

/* ============================================================
   БЕЙДЖИ
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 11px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.4;
}

.badge-accent { background: var(--grad-accent); color: var(--on-accent); }
.badge-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(46, 160, 67, 0.3); }
.badge-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(214, 138, 0, 0.3); }
.badge-danger { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(217, 45, 62, 0.3); }
.badge-info { background: var(--info-dim); color: var(--info); border: 1px solid rgba(47, 111, 217, 0.3); }

/* ============================================================
   SKELETON
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--r-md);
}

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

/* ============================================================
   PWA INSTALL BUTTON
   ============================================================ */
.pwa-install-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--r-full);
  background: var(--grad-accent);
  color: var(--on-accent);
  font-size: var(--fs-md);
  font-weight: 800;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 32px var(--accent-glow);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s var(--ease-out);
}

.pwa-install-btn.show {
  opacity: 1;
  transform: translateY(0);
}

.pwa-install-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.pwa-install-btn i {
  font-size: 16px;
  animation: pwaBounce 2s ease-in-out infinite;
}

@keyframes pwaBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@media (max-width: 640px) {
  .pwa-install-btn {
    bottom: 16px;
    right: 16px;
    padding: 12px 20px;
    font-size: var(--fs-sm);
  }
  .pwa-install-btn span { display: none; }
  .pwa-install-btn {
    width: 56px;
    height: 56px;
    padding: 0;
    justify-content: center;
  }
  .pwa-install-btn i { font-size: 20px; animation: none; }
}