/* ===================================================
   FitTrack — Modern Fitness Tracker Dashboard
   Complete CSS Design System
   =================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #93C5FD;
  --primary-bg: #EFF6FF;
  --accent-green: #10B981;
  --accent-green-bg: #ECFDF5;
  --accent-red: #EF4444;
  --accent-red-bg: #FEF2F2;
  --accent-orange: #F59E0B;
  --accent-orange-bg: #FFFBEB;
  --accent-purple: #8B5CF6;
  --accent-purple-bg: #F5F3FF;
  --accent-teal: #14B8A6;
  --accent-pink: #EC4899;

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Layout */
  --navbar-h: 64px;
  --sidebar-w: 260px;
  --sidebar-collapsed-w: 0px;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input,
textarea,
select {
  font-family: var(--font);
  outline: none;
  border: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ===================================================
   TOP NAVBAR
   =================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  box-shadow: var(--shadow-xs);
}

.navbar__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar__hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--gray-700);
  transition: var(--transition-fast);
}

.navbar__hamburger:hover {
  background: var(--gray-100);
}

.navbar__hamburger svg {
  width: 24px;
  height: 24px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.navbar__logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.navbar__logo-icon svg {
  width: 20px;
  height: 20px;
}

.navbar__search {
  position: relative;
  width: 320px;
}

.navbar__search input {
  width: 100%;
  height: 40px;
  background: var(--gray-100);
  border: 1.5px solid transparent;
  border-radius: var(--radius-full);
  padding: 0 16px 0 42px;
  font-size: 13px;
  color: var(--gray-800);
  transition: var(--transition);
}

.navbar__search input::placeholder {
  color: var(--gray-400);
}

.navbar__search input:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.navbar__search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--gray-600);
  transition: var(--transition-fast);
  position: relative;
}

.navbar__icon-btn:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.navbar__icon-btn svg {
  width: 22px;
  height: 22px;
}

.navbar__badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--accent-red);
  border-radius: 50%;
  border: 2px solid var(--white);
}

.navbar__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  margin-left: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.navbar__avatar:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

/* ===================================================
   SIDEBAR
   =================================================== */
.sidebar {
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  padding: 24px 16px;
  z-index: 900;
  overflow-y: auto;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}

.sidebar__link:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.sidebar__link.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}

.sidebar__link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}

.sidebar__link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar__section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-400);
  margin: 24px 0 8px 16px;
}

.sidebar__footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 899;
  opacity: 0;
  transition: opacity 0.3s;
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* ===================================================
   MAIN CONTENT
   =================================================== */
.main {
  margin-left: var(--sidebar-w);
  margin-top: var(--navbar-h);
  min-height: calc(100vh - var(--navbar-h));
  padding: 28px 32px;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main__header {
  margin-bottom: 28px;
}

.main__title {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.3px;
}

.main__subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ===================================================
   CARDS
   =================================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}

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

.card--flat:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.card__subtitle {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}

.card__action {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.card__action:hover {
  color: var(--primary-dark);
}

/* ===================================================
   STAT CARDS GRID
   =================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card__icon svg {
  width: 24px;
  height: 24px;
}

.stat-card__icon--blue {
  background: var(--primary-bg);
  color: var(--primary);
}

.stat-card__icon--green {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

.stat-card__icon--red {
  background: var(--accent-red-bg);
  color: var(--accent-red);
}

.stat-card__icon--orange {
  background: var(--accent-orange-bg);
  color: var(--accent-orange);
}

.stat-card__icon--purple {
  background: var(--accent-purple-bg);
  color: var(--accent-purple);
}

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

.stat-card__label {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.stat-card__value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.stat-card__change {
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card__change--up {
  color: var(--accent-green);
}

.stat-card__change--down {
  color: var(--accent-red);
}

/* ===================================================
   PROGRESS BARS
   =================================================== */
.progress-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.progress-bar-group {
  margin-bottom: 16px;
}

.progress-bar-group:last-child {
  margin-bottom: 0;
}

.progress-bar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-bar__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
}

.progress-bar__value {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

.progress-bar__fill--blue {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.progress-bar__fill--green {
  background: linear-gradient(90deg, #10B981, #34D399);
}

.progress-bar__fill--orange {
  background: linear-gradient(90deg, #F59E0B, #FBBF24);
}

.progress-bar__fill--red {
  background: linear-gradient(90deg, #EF4444, #F87171);
}

.progress-bar__fill--purple {
  background: linear-gradient(90deg, #8B5CF6, #A78BFA);
}

/* Calorie Circle */
.calorie-ring {
  display: grid;
  grid-template-areas: "stack";
  place-items: center;
  padding: 16px;
  /* Footer will naturally flow below if we don't assign it to stack,
     but since we want the ring and text to stack, we assign them to same area.
     Wait, the footer is a sibling. We need row definition. */
  grid-template-rows: auto auto;
}

.calorie-ring__svg {
  grid-area: 1 / 1;
  width: 180px;
  height: 180px;
  transform: rotate(-90deg);
}

.calorie-ring__bg {
  fill: none;
  stroke: var(--gray-100);
  stroke-width: 12;
}

.calorie-ring__fill {
  fill: none;
  stroke: var(--primary);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 502;
  stroke-dashoffset: 502;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.calorie-ring__center {
  grid-area: 1 / 1;
  margin-top: 0;
  text-align: center;
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.calorie-ring__number {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.calorie-ring__text {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}

.calorie-ring__footer {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  text-align: center;
}

.calorie-ring__item span {
  display: block;
}

.calorie-ring__item-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
}

.calorie-ring__item-label {
  font-size: 11px;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ===================================================
   MEALS SECTION
   =================================================== */
.meals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.meal-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}

.meal-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.meal-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.meal-card__type {
  display: flex;
  align-items: center;
  gap: 10px;
}

.meal-card__emoji {
  font-size: 28px;
  line-height: 1;
}

.meal-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.meal-card__cals {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 1px;
}

.meal-card__add-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.meal-card__add-btn:hover {
  background: var(--primary);
  color: var(--white);
}

.meal-card__add-btn svg {
  width: 18px;
  height: 18px;
}

.meal-card__items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meal-card__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.meal-card__item-name {
  color: var(--gray-700);
  font-weight: 500;
}

.meal-card__item-cal {
  color: var(--gray-500);
  font-weight: 500;
}

.meal-card__empty {
  text-align: center;
  padding: 20px;
  color: var(--gray-400);
  font-size: 13px;
}

/* ===================================================
   TABLES
   =================================================== */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gray-500);
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
}

.data-table td {
  padding: 14px 16px;
  font-size: 13px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.data-table tbody tr {
  transition: var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.table-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.table-tag--cardio {
  background: var(--primary-bg);
  color: var(--primary);
}

.table-tag--strength {
  background: var(--accent-orange-bg);
  color: var(--accent-orange);
}

.table-tag--flexibility {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

/* ===================================================
   DIARY PAGE
   =================================================== */
.diary-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.diary-date-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.diary-date-nav__btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.diary-date-nav__btn:hover {
  background: var(--primary);
  color: var(--white);
}

.diary-date-nav__btn svg {
  width: 18px;
  height: 18px;
}

.diary-date-nav__date {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  min-width: 150px;
  text-align: center;
}

/* Water Tracker */
.water-tracker {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.water-tracker__glasses {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.water-tracker__glass {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 20px;
  background: var(--white);
}

.water-tracker__glass.filled {
  background: var(--primary-bg);
  border-color: var(--primary);
  color: var(--primary);
}

.water-tracker__glass:hover {
  border-color: var(--primary);
  transform: scale(1.08);
}

.water-tracker__count {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.water-tracker__count span {
  color: var(--primary);
}

/* Notes */
.notes-textarea {
  width: 100%;
  min-height: 120px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--gray-700);
  resize: vertical;
  background: var(--white);
  transition: var(--transition);
  line-height: 1.6;
}

.notes-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.notes-textarea::placeholder {
  color: var(--gray-400);
}

/* ===================================================
   FOOD PAGE
   =================================================== */
.food-search {
  position: relative;
  max-width: 500px;
  margin-bottom: 24px;
}

.food-search input {
  width: 100%;
  height: 48px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 0 16px 0 48px;
  font-size: 15px;
  color: var(--gray-800);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.food-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.food-search__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  width: 20px;
  height: 20px;
}

.food-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.food-filter-chip {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition-fast);
}

.food-filter-chip:hover,
.food-filter-chip.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.food-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  cursor: pointer;
  transition: var(--transition);
}

.food-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.food-card__image {
  width: 100%;
  height: 140px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.food-card__body {
  padding: 16px;
}

.food-card__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.food-card__serving {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.food-card__macros {
  display: flex;
  justify-content: space-between;
}

.food-card__macro {
  text-align: center;
}

.food-card__macro-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  display: block;
}

.food-card__macro-label {
  font-size: 10px;
  color: var(--gray-500);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ===================================================
   EXERCISE PAGE
   =================================================== */
.exercise-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.exercise-category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.exercise-category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.exercise-category-card.active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.exercise-category-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.exercise-category-card__icon--cardio {
  background: var(--primary-bg);
}

.exercise-category-card__icon--strength {
  background: var(--accent-orange-bg);
}

.exercise-category-card__icon--calisthenics {
  background: var(--accent-green-bg);
}

.exercise-category-card__icon--sports {
  background: var(--accent-purple-bg);
}

.exercise-category-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.exercise-category-card__count {
  font-size: 12px;
  color: var(--gray-500);
}

/* ===================================================
   PROGRESS PAGE
   =================================================== */
.progress-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.chart-placeholder {
  height: 260px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 2px dashed var(--gray-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  gap: 8px;
}

.chart-placeholder svg {
  width: 40px;
  height: 40px;
}

.chart-placeholder__text {
  font-size: 13px;
  font-weight: 500;
}

/* Simple bar chart */
.simple-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 200px;
  padding-top: 20px;
}

.simple-chart__bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.simple-chart__bar {
  width: 100%;
  max-width: 40px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 4px;
}

.simple-chart__bar--blue {
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
}

.simple-chart__bar--green {
  background: linear-gradient(180deg, #10B981, #6EE7B7);
}

.simple-chart__label {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 8px;
  font-weight: 500;
}

.simple-chart__value {
  font-size: 11px;
  color: var(--gray-600);
  font-weight: 600;
  margin-bottom: 4px;
}

/* ===================================================
   GOALS PAGE
   =================================================== */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.goal-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}

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

.goal-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.goal-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.goal-card__desc {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 20px;
  line-height: 1.5;
}

.goal-card__current {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.goal-card__current-label {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
}

.goal-card__current-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-left: auto;
}

/* ===================================================
   FORMS
   =================================================== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-select {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--white);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: var(--transition);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}

.btn--secondary:hover {
  background: var(--gray-200);
}

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--gray-200);
  color: var(--gray-700);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.btn--sm {
  padding: 7px 16px;
  font-size: 13px;
}

.btn--lg {
  padding: 13px 28px;
  font-size: 15px;
}

.btn--block {
  width: 100%;
}

/* ===================================================
   MODAL
   =================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 0;
}

.modal__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: var(--transition-fast);
}

.modal__close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.modal__close svg {
  width: 20px;
  height: 20px;
}

.modal__body {
  padding: 24px;
}

.modal__footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 0 24px 24px;
}

/* Nutrition info in modal */
.nutrition-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.nutrition-info__item {
  padding: 14px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  text-align: center;
}

.nutrition-info__value {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  display: block;
}

.nutrition-info__label {
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ===================================================
   UTILITY CLASSES
   =================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

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

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

.text-muted {
  color: var(--gray-500);
}

.text-sm {
  font-size: 13px;
}

.text-xs {
  font-size: 11px;
}

.mt-8 {
  margin-top: 8px;
}

.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mb-8 {
  margin-bottom: 8px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mb-28 {
  margin-bottom: 28px;
}

/* ===================================================
   EMPTY STATE
   =================================================== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
}

.empty-state__icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.empty-state__text {
  font-size: 14px;
  font-weight: 500;
}

/* ===================================================
   RECENT EXERCISES LIST
   =================================================== */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.exercise-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.exercise-list__item:hover {
  background: var(--gray-100);
}

.exercise-list__left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.exercise-list__icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.exercise-list__name {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}

.exercise-list__meta {
  font-size: 12px;
  color: var(--gray-500);
}

.exercise-list__desc {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
  max-width: 520px;
}

.exercise-list__cals {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.exercise-list__action {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.exercise-library__empty {
  padding: 16px;
  color: var(--gray-500);
}

/* ===================================================
   RESPONSIVE — TABLET
   =================================================== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .meals-grid {
    grid-template-columns: 1fr;
  }

  .progress-section {
    grid-template-columns: 1fr;
  }

  .progress-grid {
    grid-template-columns: 1fr;
  }

  .navbar__search {
    width: 220px;
  }
}

/* ===================================================
   RESPONSIVE — MOBILE
   =================================================== */
@media (max-width: 768px) {
  .navbar__hamburger {
    display: flex;
  }

  .navbar__search {
    display: none;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .main {
    margin-left: 0;
    padding: 20px 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-card__value {
    font-size: 22px;
  }

  .meals-grid {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .goals-grid {
    grid-template-columns: 1fr;
  }

  .food-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .exercise-categories {
    grid-template-columns: repeat(2, 1fr);
  }

  .main__title {
    font-size: 22px;
  }

  .calorie-ring__svg {
    width: 150px;
    height: 150px;
  }

  .calorie-ring__center {
    margin-top: -118px;
  }

  .calorie-ring__number {
    font-size: 28px;
  }

  .calorie-ring__footer {
    margin-top: 48px;
    gap: 20px;
  }

  .modal {
    max-width: 100%;
    border-radius: var(--radius-lg);
  }

  .nutrition-info {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .exercise-categories {
    grid-template-columns: 1fr;
  }

  .food-grid {
    grid-template-columns: 1fr;
  }

  .stat-card {
    padding: 16px;
  }

  .calorie-ring__footer {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===================================================
   SCROLLBAR
   =================================================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===================================================
   ANIMATIONS
   =================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.5s ease forwards;
}

.animate-in:nth-child(1) {
  animation-delay: 0s;
}

.animate-in:nth-child(2) {
  animation-delay: 0.05s;
}

.animate-in:nth-child(3) {
  animation-delay: 0.1s;
}

.animate-in:nth-child(4) {
  animation-delay: 0.15s;
}

.animate-in:nth-child(5) {
  animation-delay: 0.2s;
}

.animate-in:nth-child(6) {
  animation-delay: 0.25s;
}