/* ══════════════════════════════════════════════
   UI Компоненты — карточки, кнопки, прогресс
   ══════════════════════════════════════════════ */

/* ── Glassmorphism-карточка ── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  padding: var(--space-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card-solid {
  background: var(--color-bg-card-solid);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 2px 16px rgba(26, 43, 72, 0.06);
}

/* ── Кнопки ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px var(--space-xl);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: var(--font-md);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  width: 100%;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
}

.btn:active { transform: scale(0.97); opacity: 0.9; }

.btn-primary {
  background: linear-gradient(135deg, #4A9FD4 0%, #2980B9 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(74, 159, 212, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(74, 159, 212, 0.5);
}

.btn-success {
  background: linear-gradient(135deg, #6BCB77 0%, #4CAF59 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(107, 203, 119, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, #FF6B6B 0%, #E05555 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text);
  box-shadow: none;
}

/* ── Прогресс-бар ── */
.progress-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-bar-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-text);
}

.progress-bar-pct {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--color-success);
}

.progress-bar-track {
  height: 8px;
  background: rgba(107, 203, 119, 0.15);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #6BCB77, #4CAF59);
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

/* ── Прогресс-кольцо (SVG) ── */
.progress-ring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
}

.progress-ring-svg {
  transform: rotate(-90deg);
  filter: drop-shadow(0 2px 8px rgba(107, 203, 119, 0.3));
}

.progress-ring-circle-bg {
  fill: none;
  stroke: rgba(107, 203, 119, 0.15);
  stroke-width: 6;
}

.progress-ring-circle {
  fill: none;
  stroke: url(#ring-gradient);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-ring-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  text-align: center;
  pointer-events: none;
}

.progress-ring-pct {
  font-size: var(--font-xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.progress-ring-sub {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

/* ── Текстовые утилиты ── */
.section-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.label-muted {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Переключатель (toggle) ── */
.toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-nav-border);
}

.toggle-wrap:last-child { border-bottom: none; }

.toggle-info { flex: 1; margin-right: var(--space-md); }

.toggle-title {
  font-size: var(--font-md);
  font-weight: 500;
  color: var(--color-text);
}

.toggle-desc {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.toggle {
  position: relative;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(135, 206, 235, 0.3);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
  cursor: pointer;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition-normal);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-primary-deep);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ── Чат AI ── */
.chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  line-height: 1.5;
  animation: bubble-in 0.2s ease;
}

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

.chat-bubble-user {
  background: linear-gradient(135deg, #4A9FD4, #2980B9);
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
  margin-left: auto;
}

.chat-bubble-ai {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}

/* ── Typing indicator ── */
.typing-dots {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
}

.typing-dots span {
  width: 7px;
  height: 7px;
  background: var(--color-text-muted);
  border-radius: 50%;
  animation: dot-bounce 1.2s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}