/**
 * UI patterns — сталь + голубой (префикс ui-*, без конфликта с Bootstrap).
 * Токены: design-tokens.css (--steel-*, --gradient-steel-*).
 */

/* ===== Панель-карточка ===== */
.ui-panel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: var(--space-5, 1.25rem);
  border-radius: var(--radius-token-lg, 14px);
  border: 1px solid var(--steel-border);
  background: var(--gradient-steel-panel);
  box-shadow: var(--shadow-steel-sm);
  color: var(--text-primary, #212121);
  transition:
    transform 0.35s var(--ease-gentle),
    box-shadow 0.35s var(--ease-gentle),
    border-color 0.3s ease;
}

.ui-panel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--steel-blue-muted),
    rgba(42, 75, 124, 0.45),
    transparent
  );
  opacity: 0.75;
  transition: opacity 0.35s ease;
}

.ui-panel-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 0%,
    rgba(42, 75, 124, 0.04) 0%,
    transparent 55%
  );
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .ui-panel-card:hover {
    transform: translateY(-4px);
    border-color: var(--steel-blue-glow);
    box-shadow: var(--shadow-steel-md);
  }

  .ui-panel-card:hover::before {
    opacity: 1;
  }
}

.ui-panel-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3, 0.75rem);
  margin-bottom: var(--space-4, 1rem);
  position: relative;
  z-index: 1;
}

/* Иконка со сменой при hover */
.ui-icon-swap,
.ui-panel-card__icon {
  position: relative;
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  border-radius: var(--radius-token-md, 10px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-light, #3d6ba3) 0%,
    var(--primary-color, #2a4b7c) 55%,
    var(--steel-blue-bright, #5b8fd4) 100%
  );
  background-size: 200% 200%;
  color: var(--text-white, #fff);
  box-shadow: 0 4px 14px rgba(42, 75, 124, 0.28);
  overflow: hidden;
  transition: transform 0.35s var(--ease-gentle), background-position 0.35s ease;
}

.ui-icon-swap i,
.ui-panel-card__icon i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.1rem;
  transition: opacity 0.35s var(--ease-gentle), transform 0.35s var(--ease-gentle);
}

.ui-icon-swap__primary,
.ui-panel-card__icon-primary {
  opacity: 1;
}

.ui-icon-swap__alt,
.ui-panel-card__icon-alt {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85);
}

@media (hover: hover) and (pointer: fine) {
  .ui-panel-card:hover .ui-icon-swap,
  .ui-panel-card:hover .ui-panel-card__icon {
    transform: scale(1.05) rotate(3deg);
    background-position: 100% 100%;
  }

  .ui-panel-card:hover .ui-icon-swap__primary,
  .ui-panel-card:hover .ui-panel-card__icon-primary {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.85) rotate(6deg);
  }

  .ui-panel-card:hover .ui-icon-swap__alt,
  .ui-panel-card:hover .ui-panel-card__icon-alt {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.ui-panel-card__badge,
.ui-badge-steel {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full, 9999px);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-white, #fff);
  background: linear-gradient(135deg, var(--primary-color, #2a4b7c) 0%, var(--primary-light, #3d6ba3) 100%);
  box-shadow: 0 2px 8px rgba(42, 75, 124, 0.22);
}

/* ===== Info-bar и чипы ===== */
.ui-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-4, 1rem);
  position: relative;
  z-index: 1;
}

.ui-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
  padding: 0.3rem 0.55rem 0.3rem 0.4rem;
  border-radius: var(--radius-token-sm, 6px);
  background: var(--gradient-steel-chip);
  border: 1px solid var(--steel-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transition: border-color 0.25s var(--ease-gentle), box-shadow 0.25s var(--ease-gentle);
}

.ui-chip--wide {
  flex: 1 1 100%;
  justify-content: space-between;
  padding: 0.45rem 0.65rem;
}

@media (hover: hover) and (pointer: fine) {
  .ui-panel-card:hover .ui-chip {
    border-color: var(--steel-blue-ring);
    box-shadow:
      var(--shadow-steel-sm),
      0 0 10px rgba(42, 75, 124, 0.08);
  }
}

.ui-chip__icon {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm, 0.375rem);
  font-size: 0.68rem;
  background: rgba(42, 75, 124, 0.1);
  color: var(--primary-color, #2a4b7c);
}

.ui-chip--success .ui-chip__icon {
  background: var(--color-success-bg, rgba(5, 150, 105, 0.12));
  color: var(--color-success, #059669);
}

.ui-chip--warning .ui-chip__icon {
  background: var(--color-warning-bg, rgba(212, 175, 55, 0.12));
  color: var(--color-warning, #ca8a04);
}

.ui-chip--danger .ui-chip__icon {
  background: var(--color-danger-bg, rgba(220, 38, 38, 0.1));
  color: var(--color-danger, #dc2626);
}

.ui-chip__text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}

.ui-chip__label {
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--text-muted, #757575);
  line-height: 1.2;
  white-space: nowrap;
}

.ui-chip__value {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary, #212121);
  line-height: 1.2;
  white-space: nowrap;
}

.ui-chip__value--negative {
  color: var(--color-danger, #dc2626);
}

.ui-chip__value--positive {
  color: var(--color-success, #059669);
}

/* ===== Контент панели ===== */
.ui-panel-card__content {
  flex: 1;
  margin-bottom: var(--space-3, 0.75rem);
  position: relative;
  z-index: 1;
}

.ui-title-gradient {
  margin: 0 0 0.4rem;
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.25;
  background: linear-gradient(
    90deg,
    var(--primary-dark, #1a2f4a) 0%,
    var(--primary-light, #3d6ba3) 50%,
    var(--primary-dark, #1a2f4a) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background-position 0.4s var(--ease-gentle);
}

@media (hover: hover) and (pointer: fine) {
  .ui-panel-card:hover .ui-title-gradient {
    background-position: 100% 0;
  }
}

.ui-stat-figure {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--primary-dark, #1a2f4a);
}

.ui-stat-figure--positive {
  color: var(--color-success, #059669);
}

.ui-stat-figure--negative {
  color: var(--color-danger, #dc2626);
}

.ui-panel-card__desc {
  margin: 0;
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.5;
  color: var(--text-secondary, #424242);
}

.ui-panel-card__footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: var(--space-3, 0.75rem);
  border-top: 1px solid var(--steel-border);
}

/* ===== Stat-card steel (модификатор) ===== */
.stat-card--steel,
.business-page .stat-card {
  position: relative;
  border-color: var(--steel-border) !important;
  transition:
    transform 0.3s var(--ease-gentle),
    box-shadow 0.3s var(--ease-gentle),
    border-color 0.3s ease;
}

.stat-card--steel::before,
.business-page .stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent,
    var(--steel-blue-muted),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .stat-card--steel:hover,
  .business-page .stat-card:hover {
    border-color: var(--steel-blue-glow) !important;
    box-shadow: var(--shadow-steel-md) !important;
    transform: translateY(-3px);
  }

  .stat-card--steel:hover::before,
  .business-page .stat-card:hover::before {
    opacity: 1;
  }
}

/* ===== Кнопки (opt-in) ===== */
.btn-primary.btn--shimmer {
  position: relative;
  overflow: hidden;
  background-size: 200% 200%;
  transition: transform 0.3s var(--ease-gentle), box-shadow 0.3s var(--ease-gentle), background-position 0.35s var(--ease-gentle);
}

.btn-primary.btn--shimmer::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.22),
    transparent
  );
  transition: left 0.55s var(--ease-gentle);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary.btn--shimmer:hover {
    transform: translateY(-2px);
    background-position: 100% 100%;
    box-shadow: 0 8px 20px rgba(42, 75, 124, 0.32);
  }

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

.btn-glass {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--steel-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--primary-color, #2a4b7c);
  transition: all 0.3s var(--ease-gentle);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--steel-blue-ring);
  transform: translateY(-2px);
  box-shadow: var(--shadow-steel-sm);
}

/* ===== Анимация появления ===== */
.ui-animate-in {
  animation: fadeInUp 0.55s var(--ease-gentle) both;
}

@media (prefers-reduced-motion: reduce) {
  .ui-panel-card,
  .ui-panel-card__icon,
  .ui-chip,
  .stat-card--steel,
  .business-page .stat-card,
  .btn-primary.btn--shimmer {
    transition: none;
  }

  .ui-panel-card:hover,
  .stat-card--steel:hover,
  .business-page .stat-card:hover,
  .btn-primary.btn--shimmer:hover {
    transform: none;
  }

  .ui-animate-in {
    animation: none;
  }
}