/* ============================================
   КОМПОНЕНТЫ — Кнопки, карточки, инпуты, модалки
   ============================================ */

/* ── Кнопки ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:active::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow-lg);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-subtle);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-primary);
}

.btn-danger:hover {
  background: #FF2D20;
}

.btn-lg {
  padding: var(--space-base) var(--space-xl);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ── Карточки ── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: none;
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  pointer-events: none;
}

.card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:active {
  transform: scale(0.98);
}

/* ── Инпуты ── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.input-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.input {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  background: var(--color-bg-input);
  border: 1.5px solid var(--color-border);
  border-radius: 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.input::placeholder {
  color: var(--color-text-tertiary);
}

.input-search {
  padding-left: 40px;
  min-height: 48px;
  border-radius: 999px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%235A5A5E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 14px center;
}

.textarea {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  background: var(--color-bg-input);
  border: 1.5px solid var(--color-border);
  border-radius: 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  resize: vertical;
  min-height: 100px;
  transition: all var(--transition-base);
}

.textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

/* ── Теги ── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: 0;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid var(--color-border-accent);
  transition: all var(--transition-fast);
}

.tag-active {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.tag:hover {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* ── Модальное окно ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-modal);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: var(--max-width);
  max-height: 90vh;
  max-height: 90dvh;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  overscroll-behavior: contain;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-handle {
  width: 40px;
  height: 4px;
  background: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  margin: var(--space-md) auto var(--space-base);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg) var(--space-base);
  border-bottom: 1px solid var(--color-border);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-base) var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
}

/* ── Навигация (нижняя панель) ── */
.bottom-nav {
  position: fixed;
  bottom: max(10px, env(safe-area-inset-bottom));
  left: 50%;
  right: auto;
  width: calc(100% - 28px);
  max-width: 360px;
  height: 62px;
  background: linear-gradient(135deg, rgba(12, 65, 69, 0.92), rgba(6, 35, 39, 0.9));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: var(--z-sticky);
  padding: 6px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.26), inset 0 1px 0 rgba(255,255,255,0.1);
}

.nav-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 46px;
  height: 50px;
  padding: 0 12px;
  border-radius: 999px;
  color: rgba(255,255,255,0.68);
  font-size: 11px;
  font-weight: 800;
  transition: color var(--transition-fast);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav-item:hover,
.nav-item.active {
  color: #fff;
}

.nav-item.active {
  min-width: 112px;
  background: rgba(255,255,255,0.12);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

.nav-item svg {
  width: 19px;
  height: 19px;
  transition: transform var(--transition-spring);
}

.nav-item.active svg {
  transform: translateY(-1px);
}

.nav-item:not(.active) span {
  display: none;
}

/* ── Бейдж ── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  background: var(--color-accent);
  color: var(--color-text-primary);
  border-radius: 0;
}

/* ── Тост/уведомление ── */
.toast {
  position: fixed;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(calc(-100% - 24px));
  opacity: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  z-index: var(--z-toast);
  transition: transform var(--transition-spring), opacity var(--transition-fast);
  box-shadow: var(--shadow-lg);
  max-width: 90vw;
}

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

.toast-success {
  border-color: var(--color-success);
}

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

/* ── Загрузка ── */
.skeleton {
  background: linear-gradient(90deg,
    var(--color-bg-card) 25%,
    var(--color-bg-card-hover) 50%,
    var(--color-bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

/* ── Разделитель ── */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-lg) 0;
}

/* ── Пустое состояние ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--space-base);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  max-width: 280px;
}