/**
 * Selfcare Diagnostics - Components CSS
 * Reusable components: glass cards, 3D buttons, modals, SIA assistant, and bottom navigation.
 */

/* Glassmorphism Card */
.glass-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

.glass-card:hover {
  transform: perspective(900px) translateY(-3px) rotateX(0.5deg);
  box-shadow: var(--shadow-hover);
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  margin: 10px;
  border-radius: var(--radius-md);
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark-green);
  letter-spacing: -0.5px;
}

.logo-sub {
  color: var(--primary-pink);
}

.tagline {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.header-right {
  display: flex;
  gap: 10px;
  align-items: center;
}

.icon-btn {
  background: rgba(7, 136, 102, 0.08);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: background 0.2s ease, transform 0.2s ease;
}

.icon-btn:active {
  transform: scale(0.95);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--primary-pink);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Buttons */
.primary-btn {
  background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(7, 136, 102, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn:active {
  transform: scale(0.96);
}

.secondary-btn {
  background: rgba(7, 136, 102, 0.08);
  color: var(--dark-green);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.secondary-btn:hover {
  background: rgba(7, 136, 102, 0.15);
}

/* Search Bar */
.search-bar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 12px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
}

.search-bar input {
  flex: 1;
  background: transparent;
  font-size: 14px;
  color: var(--text-main);
}

.voice-search-btn {
  background: none;
  font-size: 18px;
  cursor: pointer;
}

.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 5px;
  z-index: 200;
  max-height: 250px;
  overflow-y: auto;
  display: none;
}

.search-result-item {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 13px;
}

.search-result-item:hover {
  background: rgba(7, 136, 102, 0.05);
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(15px);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.05);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  gap: 3px;
  transition: color 0.2s ease;
}

.nav-item span:first-child {
  font-size: 18px;
}

.nav-item.active {
  color: var(--primary-green);
  font-weight: 700;
}

/* SIA Floating Assistant */
.sia-float-btn {
  position: fixed;
  bottom: 85px;
  right: 20px;
  z-index: 999;
  background: linear-gradient(135deg, var(--dark-green), var(--deep-green));
  color: var(--white);
  padding: 10px 16px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(4, 93, 73, 0.35);
  cursor: pointer;
  transition: transform 0.25s ease;
  animation: fadeIn 0.5s ease;
}

.sia-float-btn:hover {
  transform: scale(1.05);
}

.sia-avatar {
  font-size: 20px;
}

.sia-label {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.sia-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.sia-sub {
  font-size: 9px;
  opacity: 0.8;
}

/* Modals */
.sia-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(16, 35, 30, 0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.sia-modal-content {
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  background: var(--white);
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}

.sia-modal-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.sia-modal-header h3 {
  font-size: 16px;
  color: var(--dark-green);
}

.sia-close-btn {
  background: rgba(0,0,0,0.05);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.sia-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

/* SIA Chat & Tabs */
.sia-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding-bottom: 10px;
}

.sia-tab {
  background: rgba(7, 136, 102, 0.08);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--dark-green);
  cursor: pointer;
}

.sia-tab.active {
  background: var(--primary-green);
  color: var(--white);
}

.sia-chat-box {
  height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 5px;
  margin-bottom: 15px;
}

.sia-msg {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  max-width: 85%;
  line-height: 1.4;
}

.sia-msg.ai {
  background: rgba(7, 136, 102, 0.08);
  color: var(--text-main);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.sia-msg.user {
  background: var(--primary-green);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.sia-msg.ai-card {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  align-self: flex-start;
  width: 100%;
}

.sia-input-area {
  display: flex;
  gap: 10px;
}

.sia-input-area input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.sia-input-area button {
  background: var(--primary-green);
  color: var(--white);
  padding: 0 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
}

.sia-mic-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--light-green));
  color: var(--white);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px auto;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(7,136,102,0.4);
  transition: transform 0.2s ease;
}

.sia-mic-circle:active {
  transform: scale(0.92);
}

.sia-match-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 13px;
  gap: 10px;
}

.sia-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(228, 0, 90, 0.05);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  border-left: 3px solid var(--primary-pink);
}

/* Skeletons */
.skeleton-card {
  height: 160px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.08) 50%, rgba(0,0,0,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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