/* ============================================
   NutriForce Design System
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --c-primary: #22c55e;
  --c-primary-dark: #16a34a;
  --c-primary-light: #bbf7d0;
  --c-primary-bg: #f0fdf4;
  --c-secondary: #3b82f6;
  --c-secondary-light: #dbeafe;
  --c-danger: #ef4444;
  --c-danger-light: #fee2e2;
  --c-danger-bg: #fef2f2;
  --c-warning: #f59e0b;
  --c-warning-light: #fef3c7;
  --c-orange: #f97316;
  --c-purple: #8b5cf6;
  --c-purple-light: #ede9fe;

  --c-bg: #f8fafc;
  --c-surface: #ffffff;
  --c-surface-2: #f1f5f9;
  --c-border: #e2e8f0;
  --c-border-light: #f1f5f9;

  --c-text: #0f172a;
  --c-text-secondary: #64748b;
  --c-text-tertiary: #94a3b8;
  --c-text-inverse: #ffffff;

  /* Spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;

  /* Radii */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.16);

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-xs: 11px;
  --fs-sm: 13px;
  --fs-md: 15px;
  --fs-lg: 17px;
  --fs-xl: 20px;
  --fs-2xl: 24px;
  --fs-3xl: 30px;

  /* Transitions */
  --t-fast: 150ms ease;
  --t-normal: 250ms ease;
  --t-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-h: 60px;
  --nav-h: 72px;
  --fab-size: 56px;
  --max-w: 480px;

  /* Safe areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

@font-face {
  font-family: 'Inter';
  font-display: swap;
  src: local('Inter');
}

html {
  font-family: var(--font);
  font-size: var(--fs-md);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
}

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: var(--r-full); }

/* ============================================
   Layout
   ============================================ */

.app-container {
  max-width: var(--max-w);
  margin: 0 auto;
  min-height: 100dvh;
  position: relative;
  background: var(--c-bg);
}

/* --- Top Header (glassmorphism) --- */
.top-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--s-4) var(--s-5);
  padding-top: calc(var(--safe-top) + var(--s-4));
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,0.6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.top-header__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -0.3px;
}

.top-header__subtitle {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  margin-top: 2px;
}

.top-header__actions {
  display: flex;
  gap: var(--s-2);
  align-items: center;
}

/* --- Main Content --- */
.main-content {
  padding: var(--s-5);
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + var(--s-8));
  min-height: calc(100dvh - var(--header-h));
}

/* --- Bottom Navigation --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-w);
  z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(226,232,240,0.5);
  padding-bottom: var(--safe-bottom);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--nav-h);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: all var(--t-fast);
  color: var(--c-text-tertiary);
  border: none;
  background: none;
  font-size: var(--fs-xs);
  min-width: 56px;
  -webkit-tap-highlight-color: transparent;
}

.nav-item.active {
  color: var(--c-primary);
}

.nav-item.active .nav-icon {
  background: var(--c-primary-bg);
  color: var(--c-primary);
}

.nav-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-lg);
  font-size: 18px;
  transition: all var(--t-fast);
}

.nav-label {
  font-weight: 500;
  letter-spacing: 0.2px;
}

/* --- FAB --- */
.fab {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + var(--s-4));
  right: calc(50% - var(--max-w)/2 + var(--s-5));
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg), 0 4px 16px rgba(34,197,94,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 99;
  transition: all var(--t-normal);
}

.fab:active {
  transform: scale(0.92);
}

@media (max-width: 480px) {
  .fab {
    right: var(--s-5);
  }
}

/* ============================================
   Components
   ============================================ */

/* --- Card --- */
.card {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border-light);
  transition: all var(--t-normal);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-sm);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-4);
}

.card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.2px;
}

.card__subtitle {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  margin-top: 2px;
}

.card__badge {
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
  background: var(--c-primary-bg);
  color: var(--c-primary-dark);
}

.card__badge--danger {
  background: var(--c-danger-light);
  color: var(--c-danger);
}

.card__badge--warning {
  background: var(--c-warning-light);
  color: var(--c-warning);
}

/* --- Greeting Card --- */
.greeting-card {
  background: linear-gradient(135deg, var(--c-primary), #059669);
  color: white;
  border-radius: var(--r-xl);
  padding: var(--s-6);
  margin-bottom: var(--s-5);
  position: relative;
  overflow: hidden;
}

.greeting-card::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 140px;
  height: 140px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.greeting-card__hello {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--s-1);
}

.greeting-card__date {
  font-size: var(--fs-sm);
  opacity: 0.85;
}

.greeting-card__streak {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-top: var(--s-3);
  background: rgba(255,255,255,0.2);
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 600;
}

/* --- Progress Ring --- */
.progress-ring-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-ring-wrap__label {
  position: absolute;
  text-align: center;
}

.progress-ring-wrap__value {
  font-size: var(--fs-2xl);
  font-weight: 800;
  line-height: 1;
}

.progress-ring-wrap__unit {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  display: block;
  margin-top: 2px;
}

.progress-ring__bg {
  stroke: var(--c-border-light);
}

.progress-ring__fill {
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform: rotate(-90deg);
  transform-origin: center;
}

/* --- Progress Bar --- */
.progress-bar {
  height: 8px;
  background: var(--c-surface-2);
  border-radius: var(--r-full);
  overflow: hidden;
  position: relative;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--r-full);
  background: var(--c-primary);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 0;
}

.progress-bar__fill--warning { background: var(--c-warning); }
.progress-bar__fill--danger { background: var(--c-danger); }
.progress-bar__fill--blue { background: var(--c-secondary); }
.progress-bar__fill--purple { background: var(--c-purple); }
.progress-bar__fill--orange { background: var(--c-orange); }

/* --- Macro Row --- */
.macro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}

.macro-item {
  text-align: center;
}

.macro-item__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: var(--s-2);
}

.macro-item__icon--protein { background: var(--c-secondary-light); }
.macro-item__icon--fat { background: var(--c-warning-light); }
.macro-item__icon--carbs { background: var(--c-purple-light); }

.macro-item__value {
  font-size: var(--fs-lg);
  font-weight: 700;
}

.macro-item__label {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
}

/* --- Button --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: var(--fs-md);
  border: none;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white;
  box-shadow: 0 2px 8px rgba(34,197,94,0.3);
}

.btn--secondary {
  background: var(--c-surface-2);
  color: var(--c-text);
}

.btn--danger {
  background: var(--c-danger);
  color: white;
}

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

.btn--sm {
  padding: var(--s-2) var(--s-3);
  font-size: var(--fs-sm);
  border-radius: var(--r-sm);
}

.btn--lg {
  padding: var(--s-4) var(--s-6);
  font-size: var(--fs-lg);
  border-radius: var(--r-lg);
  width: 100%;
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--r-md);
}

/* Круглая кнопка "Выйти" в стиле сайта */
.btn--logout {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: var(--c-surface);
  color: var(--c-primary);
  border: 2px solid var(--c-primary);
  box-shadow: 0 2px 6px rgba(34,197,94,0.15);
  transition: all var(--t-fast);
}

.btn--logout:hover {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(34,197,94,0.35);
  transform: translateY(-1px);
}

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

.btn--logout svg {
  width: 18px;
  height: 18px;
  display: block;
}

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* --- Input --- */
.input-group {
  margin-bottom: var(--s-4);
}

.input-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text-secondary);
  margin-bottom: var(--s-2);
}

.input {
  width: 100%;
  padding: var(--s-3) var(--s-4);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  background: var(--c-surface);
  color: var(--c-text);
  transition: border-color var(--t-fast);
  outline: none;
}

.input:focus {
  border-color: var(--c-primary);
}

.input--textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.select {
  width: 100%;
  padding: var(--s-3) var(--s-4);
  border: 2px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  background: var(--c-surface);
  color: var(--c-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  outline: none;
}

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

/* --- Meal Card --- */
.meal-card {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  margin-bottom: var(--s-4);
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
}

.meal-card__header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
}

.meal-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.meal-card__icon--breakfast { background: #fef3c7; }
.meal-card__icon--lunch { background: #dbeafe; }
.meal-card__icon--snack { background: #fce7f3; }
.meal-card__icon--dinner { background: #ede9fe; }

.meal-card__name {
  font-weight: 700;
  font-size: var(--fs-lg);
}

/* --- Week Card --- */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
}

.week-nav .btn {
  flex: 1;
}

.week-scroll {
  display: flex;
  gap: var(--s-3);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: var(--s-2) 0;
  scrollbar-width: none;
  touch-action: pan-x;
  cursor: grab;
  user-select: none;
}

.week-scroll.dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}

.week-scroll.dragging .week-day-card {
  pointer-events: none;
}

.week-scroll::-webkit-scrollbar { display: none; }

.week-day-card {
  flex: 0 0 auto;
  width: 130px;
  scroll-snap-align: start;
  background: var(--c-surface);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  text-align: center;
  border: 2px solid var(--c-border-light);
  cursor: pointer;
  transition: all var(--t-fast);
}

.week-day-card.active {
  border-color: var(--c-primary);
  background: var(--c-primary-bg);
}

.week-day-card.today {
  box-shadow: 0 0 0 2px var(--c-primary-light) inset;
}

.week-day-card.filled {
  border-color: var(--c-primary-light);
}

.week-day-card__day {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.week-day-card__date {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin: var(--s-2) 0;
}

.week-day-card__status {
  font-size: 20px;
}

/* --- Skeleton Loader --- */
.skeleton {
  background: linear-gradient(90deg, var(--c-surface-2) 25%, #e8edf2 37%, var(--c-surface-2) 63%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--r-md);
}

.skeleton--card {
  height: 120px;
  border-radius: var(--r-xl);
  margin-bottom: var(--s-4);
}

.skeleton--text {
  height: 16px;
  margin-bottom: var(--s-2);
}

.skeleton--text-sm {
  height: 12px;
  width: 60%;
  margin-bottom: var(--s-2);
}

.skeleton--circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--s-4);
}

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

/* --- Toast --- */
.toast-container {
  position: fixed;
  top: calc(var(--safe-top) + var(--s-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - var(--s-10));
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  pointer-events: none;
}

.toast {
  background: var(--c-text);
  color: white;
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-lg);
  font-size: var(--fs-sm);
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  animation: toast-in 0.3s ease, toast-out 0.3s ease 2.7s forwards;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.toast--success { background: var(--c-primary-dark); }
.toast--error { background: var(--c-danger); }
.toast--warning { background: var(--c-warning); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--s-12) var(--s-6);
}

.empty-state__icon {
  font-size: 64px;
  margin-bottom: var(--s-5);
  opacity: 0.8;
}

.empty-state__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--s-2);
}

.empty-state__text {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  line-height: 1.5;
  max-width: 260px;
  margin: 0 auto;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fade-in 0.2s ease;
}

.modal {
  background: var(--c-surface);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: var(--s-6);
  padding-bottom: calc(var(--s-6) + var(--safe-bottom));
  width: 100%;
  max-width: var(--max-w);
  max-height: 85dvh;
  overflow-y: auto;
  animation: slide-up 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal__handle {
  width: 36px;
  height: 4px;
  background: var(--c-border);
  border-radius: var(--r-full);
  margin: 0 auto var(--s-5);
}

.modal__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--s-5);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* --- Loading State --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-5);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--c-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: var(--fs-md);
  color: var(--c-text-secondary);
  font-weight: 500;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* --- Status Badge --- */
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.status--good { background: var(--c-primary-bg); color: var(--c-primary-dark); }
.status--warning { background: var(--c-warning-light); color: var(--c-warning); }
.status--bad { background: var(--c-danger-light); color: var(--c-danger); }
.status--neutral { background: var(--c-surface-2); color: var(--c-text-secondary); }

/* --- Auth Screen --- */
.auth-screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--s-6);
  background: linear-gradient(160deg, #f0fdf4 0%, #ecfdf5 50%, #d1fae5 100%);
}

.auth-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 800;
  color: white;
  margin-bottom: var(--s-6);
  box-shadow: 0 8px 32px rgba(34,197,94,0.3);
}

.auth-title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: var(--s-2);
  letter-spacing: -0.5px;
}

.auth-subtitle {
  font-size: var(--fs-md);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-8);
}

.auth-form {
  width: 100%;
  max-width: 340px;
}

.auth-toggle {
  text-align: center;
  margin-top: var(--s-5);
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
}

.auth-toggle a {
  color: var(--c-primary-dark);
  font-weight: 600;
  cursor: pointer;
}

.auth-status {
  font-size: var(--fs-sm);
  border-radius: var(--r-md);
  margin-bottom: var(--s-3);
  line-height: 1.4;
}
.auth-status:empty { display: none; }
.auth-status--info {
  background: rgba(33, 150, 243, 0.08);
  color: #1565c0;
  padding: var(--s-2) var(--s-3);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.auth-status--warn {
  background: rgba(255, 152, 0, 0.10);
  color: #b26a00;
  padding: var(--s-2) var(--s-3);
}
.auth-status--err {
  background: rgba(244, 67, 54, 0.10);
  color: #b71c1c;
  padding: var(--s-2) var(--s-3);
}
.auth-status--err .btn { margin-left: var(--s-2); }

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,0,0,0.15);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: nutri-spin 0.8s linear infinite;
}
@keyframes nutri-spin {
  to { transform: rotate(360deg); }
}

/* --- Report Card --- */
.report-card {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  margin-bottom: var(--s-3);
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--t-fast);
}

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

.report-card__date {
  font-weight: 700;
  font-size: var(--fs-lg);
  margin-bottom: var(--s-2);
}

.report-card__summary {
  display: flex;
  gap: var(--s-4);
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
}

/* --- Teacher Cards --- */
.student-card {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  margin-bottom: var(--s-3);
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.student-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--c-primary-light), var(--c-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.student-card__info {
  flex: 1;
  min-width: 0;
}

.student-card__name {
  font-weight: 700;
  font-size: var(--fs-md);
}

.student-card__meta {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  margin-top: 2px;
}

.student-card__actions {
  display: flex;
  gap: var(--s-2);
}

/* --- Products Table --- */
.product-list-item {
  display: flex;
  align-items: center;
  padding: var(--s-4);
  background: var(--c-surface);
  border-radius: var(--r-lg);
  margin-bottom: var(--s-2);
  border: 1px solid var(--c-border-light);
  gap: var(--s-3);
}

.product-list-item__name {
  flex: 1;
  font-weight: 600;
}

.product-list-item__macro {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
}

.product-list-item__source {
  font-size: var(--fs-xs);
  color: var(--c-primary);
  margin-top: 2px;
  flex-basis: 100%;
  order: 10;
}

/* --- Search --- */
.search-wrap {
  position: relative;
  margin-bottom: var(--s-4);
}

.search-wrap__icon {
  position: absolute;
  left: var(--s-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-tertiary);
  font-size: 16px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: var(--s-3) var(--s-4) var(--s-3) var(--s-10);
  border: 2px solid var(--c-border);
  border-radius: var(--r-full);
  font-size: var(--fs-md);
  background: var(--c-surface);
  outline: none;
  transition: border-color var(--t-fast);
}

.search-input:focus {
  border-color: var(--c-primary);
}

/* --- Recommendations --- */
.rec-item {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-3) 0;
}

.rec-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
  margin-top: 6px;
  flex-shrink: 0;
}

.rec-item__text {
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--c-text-secondary);
}

/* --- Filter Pills --- */
.filter-pills {
  display: flex;
  gap: var(--s-2);
  overflow-x: auto;
  scrollbar-width: none;
  padding: var(--s-1) 0;
  margin-bottom: var(--s-4);
}

.filter-pills::-webkit-scrollbar { display: none; }

.filter-pill {
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-full);
  border: 1.5px solid var(--c-border);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--t-fast);
  background: var(--c-surface);
  color: var(--c-text-secondary);
}

.filter-pill.active {
  border-color: var(--c-primary);
  background: var(--c-primary-bg);
  color: var(--c-primary-dark);
}

/* --- Section --- */
.section-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--s-4);
}

.section-gap {
  margin-bottom: var(--s-6);
}

/* --- Norm Preview --- */
.norm-preview {
  background: var(--c-primary-bg);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  margin-top: var(--s-4);
}

.norm-row {
  display: flex;
  justify-content: space-between;
  padding: var(--s-1) 0;
  font-size: var(--fs-sm);
}

.norm-row__label { color: var(--c-text-secondary); }
.norm-row__value { font-weight: 700; }

/* --- Tabs --- */
.tabs {
  display: flex;
  background: var(--c-surface-2);
  border-radius: var(--r-md);
  padding: 3px;
  margin-bottom: var(--s-5);
}

.tab {
  flex: 1;
  padding: var(--s-2) var(--s-3);
  text-align: center;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  color: var(--c-text-secondary);
  border: none;
  background: none;
}

.tab.active {
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: var(--shadow-sm);
}

/* --- Utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.gap-4 { gap: var(--s-4); }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mb-3 { margin-bottom: var(--s-3); }
.mb-4 { margin-bottom: var(--s-4); }
.mb-5 { margin-bottom: var(--s-5); }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.text-secondary { color: var(--c-text-secondary); }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* --- Page transitions --- */
.page {
  display: none;
  animation: page-in 0.3s ease;
}

.page.active {
  display: block;
}

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

/* --- Desktop enhancements --- */
@media (min-width: 768px) {
  .app-container {
    max-width: 520px;
    box-shadow: var(--shadow-xl);
    border-left: 1px solid var(--c-border-light);
    border-right: 1px solid var(--c-border-light);
  }

  body {
    background: #e2e8f0;
  }
}

/* --- Confirm dialog --- */
.confirm-dialog {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  width: calc(100% - var(--s-10));
  max-width: 340px;
  text-align: center;
}

.confirm-dialog__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--s-3);
}

.confirm-dialog__text {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-6);
  line-height: 1.5;
}

.confirm-dialog__actions {
  display: flex;
  gap: var(--s-3);
}

.confirm-dialog__actions .btn { flex: 1; }

/* --- Dermatoscopy --- */
.derm-card { padding: var(--s-4); }
.derm-card__row {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
}
.derm-card__body { flex: 1; min-width: 0; }
.derm-card__title {
  font-weight: 700;
  font-size: var(--fs-md);
  margin-bottom: var(--s-1);
}
.derm-card__meta {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-1);
}
.derm-card__idx { margin-top: var(--s-2); display: flex; gap: var(--s-2); flex-wrap: wrap; }
.derm-idx {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
}
.derm-idx--acne  { background: #fef3c7; color: #92400e; }
.derm-idx--aging { background: #ede9fe; color: #5b21b6; }
.derm-card__notes {
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--c-border-light);
  font-size: var(--fs-sm);
  color: var(--c-text);
  white-space: pre-wrap;
}
.derm-card__notes--comment {
  background: #f0fdf4;
  border-top: none;
  border-left: 3px solid var(--c-primary);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: var(--s-2) var(--s-3);
  margin-top: var(--s-2);
}

/* Survey modal */
.survey-form {
  max-height: 60vh;
  overflow-y: auto;
  padding-right: var(--s-2);
}
.survey-q {
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--c-border-light);
}
.survey-q:last-child { border-bottom: none; }
.survey-q__title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: var(--s-2);
}
.survey-q__opts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.survey-opt {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--r-sm);
}
.survey-opt:hover { background: var(--c-border-light); }
.survey-opt input { accent-color: var(--c-primary); }
.derm-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--r-lg);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--c-border-light);
}
.derm-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--c-text-secondary);
}
/* Бейдж в шапке карточки — заменил старый одиночный thumb.
   Показывает иконку «микроскоп» если фото нет, и «N картинок»
   если есть. Сами фото теперь ниже отдельной галереей. */
.derm-card__badge {
  width: 56px;
  height: 56px;
  border-radius: var(--r-lg);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  font-weight: 600;
  gap: 2px;
  background: var(--c-border-light);
  color: var(--c-text-secondary);
}
.derm-card__badge--has {
  background: #ede9fe;
  color: #5b21b6;
}
.derm-card__badge-ico { font-size: 20px; line-height: 1; }
.derm-card__badge--empty { font-size: 22px; }

/* Форма загрузки фото (превью перед сохранением) */
.derm-preview {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-top: var(--s-2);
}
.derm-preview__img {
  width: 64px;
  height: 64px;
  border-radius: var(--r-md);
  object-fit: cover;
  border: 1px solid var(--c-border-light);
}

/* --- Галерея фото в сохранённой дерм-записи --- */
.derm-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: var(--s-2);
  margin-top: var(--s-3);
}
.derm-gallery__item {
  position: relative;
  padding: 0;
  border: none;
  background: var(--c-border-light);
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: zoom-in;
  aspect-ratio: 1 / 1;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.derm-gallery__item:hover {
  transform: scale(1.03);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.derm-gallery__item:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
.derm-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Лайтбокс для открытого фото --- */
.derm-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: dermFadeIn 0.15s ease;
}
.derm-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
  cursor: zoom-out;
}
.derm-lightbox__figure {
  position: relative;
  z-index: 1;
  max-width: 95vw;
  max-height: 92vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  pointer-events: none; /* фон ловит клик для закрытия */
}
.derm-lightbox__img {
  max-width: 95vw;
  max-height: 85vh;
  border-radius: var(--r-md);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  pointer-events: auto;
}
.derm-lightbox__caption {
  color: #fff;
  font-size: var(--fs-sm);
  opacity: 0.8;
}
.derm-lightbox__close,
.derm-lightbox__nav {
  position: absolute;
  z-index: 2;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}
.derm-lightbox__close:hover,
.derm-lightbox__nav:hover { background: rgba(0,0,0,0.8); }
.derm-lightbox__close { top: 16px; right: 16px; }
.derm-lightbox__nav--prev { left: 16px; top: 50%; transform: translateY(-50%); }
.derm-lightbox__nav--next { right: 16px; top: 50%; transform: translateY(-50%); }
@keyframes dermFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.rec-block--skin {
  border-left: 3px solid #8b5cf6;
  background: #f5f3ff;
}

/* --- Micronutrients table --- */
.micro-group {
  padding: var(--s-4);
}
.micro-group summary {
  cursor: pointer;
  list-style: none;
  padding: var(--s-2) 0;
  user-select: none;
  position: relative;
  padding-right: var(--s-6);
}
.micro-group summary::-webkit-details-marker { display: none; }
.micro-group summary::after {
  content: '▸';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--t-fast);
  color: var(--c-text-secondary);
}
.micro-group[open] summary::after {
  transform: translateY(-50%) rotate(90deg);
}
.micro-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--s-3);
  font-size: var(--fs-sm);
}
.micro-table th,
.micro-table td {
  text-align: left;
  padding: var(--s-2) var(--s-3);
  border-bottom: 1px solid var(--c-border-light);
}
.micro-table th {
  font-weight: 600;
  color: var(--c-text-secondary);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.micro-table td.num,
.micro-table th:nth-child(n+2) {
  text-align: right;
  white-space: nowrap;
}
.micro-row--ok  td:last-child { color: var(--c-primary); font-weight: 600; }
.micro-row--warn td:last-child { color: #d97706; font-weight: 600; }
.micro-row--bad  td:last-child { color: #dc2626; font-weight: 600; }

/* Detail report view */
.detail-section {
  margin-bottom: var(--s-5);
}

.detail-section__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--s-3);
}

.deficit-item {
  background: var(--c-danger-bg);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  margin-bottom: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--c-danger);
  font-weight: 500;
}

.rec-block {
  background: var(--c-primary-bg);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  margin-bottom: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--c-primary-dark);
  line-height: 1.5;
}

/* Inline edit */
.inline-edit {
  display: flex;
  gap: var(--s-2);
  align-items: center;
}

.inline-edit .input {
  padding: var(--s-2) var(--s-3);
  font-size: var(--fs-sm);
}

/* Norms display card */
.norms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}

.norm-card {
  background: var(--c-surface-2);
  border-radius: var(--r-md);
  padding: var(--s-3);
  text-align: center;
}

.norm-card__value {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--c-primary-dark);
}

.norm-card__label {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  margin-top: 2px;
}

/* Confirm overlay centers */
.modal-overlay--center {
  align-items: center;
}

/* --- Teacher Recommendations Edit --- */
.teacher-rec-row {
  display: flex;
  gap: var(--s-2);
  align-items: flex-start;
  margin-bottom: var(--s-2);
}

.teacher-rec-input {
  flex: 1;
  min-height: 48px;
  resize: vertical;
  line-height: 1.4;
  font-size: var(--fs-sm);
}

.teacher-rec-del {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--c-danger);
}

.teacher-recs-section {
  border-top: 1px solid var(--c-border-light);
  padding-top: var(--s-3);
}

.teacher-comment-section {
  border-top: 1px solid var(--c-border-light);
  padding-top: var(--s-3);
}

.teacher-comment-input {
  min-height: 80px;
  font-size: var(--fs-sm);
  line-height: 1.5;
}

/* --- Sources --- */
.source-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  margin-bottom: var(--s-2);
  border-left: 3px solid var(--c-purple);
}

.source-item__product {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 2px;
}

.source-item__value {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-1);
}

.source-item__ref {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  align-items: center;
}

.source-item__book {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--c-purple);
  background: var(--c-purple-light);
  padding: 1px var(--s-2);
  border-radius: var(--r-full);
}

.source-item__detail {
  font-size: var(--fs-xs);
  color: var(--c-text-tertiary);
}

.teacher-comment-display {
  background: var(--c-secondary-light);
  border-radius: var(--r-md);
  padding: var(--s-4);
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--c-text);
  white-space: pre-wrap;
  border-left: 3px solid var(--c-secondary);
}