/* ============================================
   CampusPass — Design System & Styles
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary Palette */
  --primary: #7C3AED;
  --primary-light: #A78BFA;
  --primary-dark: #5B21B6;
  --primary-gradient: linear-gradient(135deg, #7C3AED 0%, #9333EA 50%, #A855F7 100%);
  --primary-gradient-h: linear-gradient(90deg, #7C3AED 0%, #9333EA 50%, #A855F7 100%);
  
  /* Accent */
  --accent: #F97316;
  --accent-light: #FDBA74;
  --accent-dark: #EA580C;
  --accent-gradient: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
  
  /* Neutrals */
  --bg: #F8F7FC;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --surface: #F3F0FF;
  --surface-hover: #EDE9FE;
  --border: #E5E1F0;
  --border-light: #F0ECF9;
  
  /* Text */
  --text-primary: #1E1B2E;
  --text-secondary: #6B6580;
  --text-tertiary: #9F97B8;
  --text-inverse: #FFFFFF;
  --text-accent: #7C3AED;
  
  /* Status */
  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  
  /* Spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 40px;
  --space-4xl: 48px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(124, 58, 237, 0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(124, 58, 237, 0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(124, 58, 237, 0.12), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl: 0 16px 48px rgba(124, 58, 237, 0.16), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 24px rgba(124, 58, 237, 0.3);
  --shadow-accent-glow: 0 0 24px rgba(249, 115, 22, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.6875rem;
  --font-size-sm: 0.8125rem;
  --font-size-base: 0.9375rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Z-Index */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-navbar: 600;
  
  /* Layout */
  --navbar-height: 64px;
  --header-height: 56px;
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

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

ul, ol {
  list-style: none;
}

/* ---- App Shell ---- */
.app-shell {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

/* ---- Screen Containers ---- */
.screen {
  display: none;
  flex-direction: column;
  min-height: calc(100vh - var(--navbar-height));
  min-height: calc(100dvh - var(--navbar-height));
  padding-bottom: calc(var(--navbar-height) + var(--safe-area-bottom) + 16px);
  animation: fadeInUp 0.35s var(--transition-base);
  overflow-y: auto;
  overflow-x: hidden;
}

.screen.active {
  display: flex;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes checkmark {
  0% { stroke-dashoffset: 50; }
  100% { stroke-dashoffset: 0; }
}

/* ---- Bottom Navigation Bar ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  z-index: var(--z-navbar);
  padding-bottom: var(--safe-area-bottom);
}

.bottom-nav__list {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--navbar-height);
  padding: 0 var(--space-xs);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-xxs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  -webkit-tap-highlight-color: transparent;
  min-width: 56px;
}

.nav-item__icon {
  width: 24px;
  height: 24px;
  transition: all var(--transition-base);
  color: var(--text-tertiary);
}

.nav-item__label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-tertiary);
  transition: all var(--transition-base);
}

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

.nav-item.active .nav-item__label {
  color: var(--primary);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 0 0 4px 4px;
}

/* Check-in Nav Special */
.nav-item--checkin {
  position: relative;
}

.nav-item--checkin .nav-item__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
  margin-top: -18px;
}

.nav-item--checkin .nav-item__icon {
  color: white;
  width: 22px;
  height: 22px;
}

.nav-item--checkin:active .nav-item__icon-wrap {
  transform: scale(0.92);
}

.nav-item--checkin.active .nav-item__icon-wrap {
  box-shadow: var(--shadow-glow), 0 0 40px rgba(124, 58, 237, 0.25);
}

/* ---- Header ---- */
.header {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-white);
}

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

.header__greeting {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 400;
}

.header__name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
}

.header__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-md);
}

.header__notification {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  transition: all var(--transition-base);
}

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

.header__notification-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--error);
  border: 2px solid var(--bg-white);
}

/* ---- Search Bar ---- */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

.search-bar:focus-within {
  border-color: var(--primary-light);
  background: var(--bg-white);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.08);
}

.search-bar__icon {
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.search-bar__input {
  flex: 1;
  background: transparent;
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.search-bar__input::placeholder {
  color: var(--text-tertiary);
}

.search-bar__filter {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-base);
}

.search-bar__filter:active {
  transform: scale(0.9);
}

/* ---- Hero Banner ---- */
.hero-banner {
  margin: var(--space-md) var(--space-lg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  height: 180px;
  box-shadow: var(--shadow-lg);
}

.hero-banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.85) 0%, rgba(147, 51, 234, 0.6) 50%, rgba(249, 115, 22, 0.4) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}

.hero-banner__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: white;
  width: fit-content;
  margin-bottom: var(--space-xs);
}

.hero-banner__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: white;
  line-height: 1.2;
}

.hero-banner__subtitle {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 4px;
}

/* ---- Section ---- */
.section {
  padding: var(--space-xl) var(--space-lg);
}

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

.section__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.section__link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---- Category Carousel ---- */
.categories-carousel {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 var(--space-lg);
  margin: 0 calc(-1 * var(--space-lg));
}

.categories-carousel::-webkit-scrollbar {
  display: none;
}

.category-card {
  flex-shrink: 0;
  width: 140px;
  scroll-snap-align: start;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  height: 160px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.category-card:active {
  transform: scale(0.96);
}

.category-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-sm);
}

.category-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
  font-size: 1.125rem;
}

.category-card__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  line-height: 1.2;
}

.category-card__count {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

/* ---- Gym Cards (Horizontal Scroll) ---- */
.gyms-carousel {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 var(--space-lg);
  margin: 0 calc(-1 * var(--space-lg));
}

.gyms-carousel::-webkit-scrollbar {
  display: none;
}

.gym-card {
  flex-shrink: 0;
  width: 280px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.gym-card__image-wrap {
  position: relative;
  height: 140px;
  overflow: hidden;
}

.gym-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gym-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.gym-card__favorite {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.gym-card__favorite svg {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  transition: all var(--transition-base);
}

.gym-card__favorite.favorited svg {
  color: var(--error);
  fill: var(--error);
}

.gym-card__content {
  padding: var(--space-md);
}

.gym-card__name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.gym-card__location {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--space-xs);
}

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

.gym-card__rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.gym-card__rating svg {
  width: 14px;
  height: 14px;
  color: var(--warning);
  fill: var(--warning);
}

.gym-card__distance {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  background: var(--surface);
  padding: 4px 8px;
  border-radius: var(--radius-full);
}

/* ---- Quick Stats ---- */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding: 0 var(--space-lg);
  margin-top: var(--space-md);
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.stat-card:active {
  transform: scale(0.95);
}

.stat-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xs);
  font-size: 1.25rem;
}

.stat-card__icon--purple {
  background: rgba(124, 58, 237, 0.1);
}

.stat-card__icon--orange {
  background: rgba(249, 115, 22, 0.1);
}

.stat-card__icon--green {
  background: rgba(16, 185, 129, 0.1);
}

.stat-card__value {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
}

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

/* ============================================
   SEARCH SCREEN
   ============================================ */
.search-screen__header {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.search-screen__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.search-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.search-tab {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-base);
  background: var(--surface);
  color: var(--text-secondary);
}

.search-tab.active {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

/* Filters */
.search-filters {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg);
  overflow-x: auto;
  scrollbar-width: none;
}

.search-filters::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-white);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.filter-chip.active {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.06);
  color: var(--primary);
}

.filter-chip:active {
  transform: scale(0.95);
}

/* Map View */
.map-container {
  height: 260px;
  background: #E8E0F0;
  position: relative;
  overflow: hidden;
  display: none;
}

.map-container.active {
  display: block;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #E8E0F0 0%, #D4C8E8 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.map-placeholder__icon {
  font-size: 2.5rem;
  animation: float 3s ease-in-out infinite;
}

.map-placeholder__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.map-pin {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  animation: float 2s ease-in-out infinite;
  cursor: pointer;
}

.map-pin span {
  transform: rotate(45deg);
  font-size: 0.875rem;
}

/* Search Results List */
.search-results {
  padding: var(--space-md) var(--space-lg);
}

.search-results__count {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.search-result-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.search-result-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-md);
}

.search-result-card__img {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
}

.search-result-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.search-result-card__name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.search-result-card__address {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.search-result-card__tags {
  display: flex;
  gap: var(--space-xxs);
  flex-wrap: wrap;
}

.search-result-card__tag {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--primary);
  font-weight: 500;
}

.search-result-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.search-result-card__rating {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.search-result-card__distance {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ============================================
   CHECK-IN SCREEN
   ============================================ */
.checkin-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  min-height: calc(100vh - var(--navbar-height));
}

.checkin-screen.active {
  display: flex;
}

.checkin__illustration {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.checkin__illustration::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 3px dashed var(--primary-light);
  opacity: 0.4;
  animation: spin 20s linear infinite;
}

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

.checkin__illustration-icon {
  font-size: 4rem;
}

.checkin__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

.checkin__subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 280px;
}

.checkin__btn {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: white;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.checkin__btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0;
  animation: pulse 2s ease-in-out infinite;
  z-index: -1;
}

.checkin__btn:active {
  transform: scale(0.95);
}

.checkin__btn-icon {
  font-size: 3rem;
}

.checkin__btn-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 1px;
}

.checkin__hint {
  margin-top: var(--space-2xl);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Check-in Success State */
.checkin--success .checkin__illustration {
  background: var(--success-bg);
}

.checkin--success .checkin__illustration::before {
  border-color: var(--success);
}

.checkin--success .checkin__btn {
  background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
  box-shadow: 0 16px 48px rgba(16, 185, 129, 0.3), 0 0 24px rgba(16, 185, 129, 0.2);
}

.checkin__nearby {
  margin-top: var(--space-2xl);
  width: 100%;
  text-align: left;
}

.checkin__nearby-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.checkin__nearby-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-sm);
  transition: all var(--transition-base);
}

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

.checkin__nearby-card-img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.checkin__nearby-card-info {
  flex: 1;
}

.checkin__nearby-card-name {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.checkin__nearby-card-dist {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.checkin__nearby-card-btn {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.checkin__nearby-card-btn:active {
  background: var(--primary);
  color: white;
}

/* ============================================
   PLANS SCREEN
   ============================================ */
.plans-screen__header {
  padding: var(--space-xl) var(--space-lg);
  padding-top: var(--space-2xl);
  text-align: center;
}

.plans-screen__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
}

.plans-screen__subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.plans-container {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.plan-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.plan-card--featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--primary);
}

.plan-card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.plan-card__popular {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--accent-gradient);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.plan-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.plan-card__icon--basic {
  background: rgba(124, 58, 237, 0.08);
}

.plan-card__icon--mid {
  background: rgba(249, 115, 22, 0.08);
}

.plan-card__icon--premium {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(249, 115, 22, 0.12));
}

.plan-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.plan-card__tagline {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: 2px;
  margin-bottom: var(--space-md);
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: var(--space-md);
}

.plan-card__currency {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-secondary);
}

.plan-card__amount {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--text-primary);
}

.plan-card__period {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

.plan-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.plan-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.plan-card__feature svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.plan-card__btn {
  width: 100%;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: center;
  transition: all var(--transition-base);
}

.plan-card__btn--outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.plan-card__btn--outline:active {
  background: rgba(124, 58, 237, 0.06);
}

.plan-card__btn--primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-glow);
}

.plan-card__btn--primary:active {
  transform: scale(0.98);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.plan-card__btn--dark {
  background: var(--text-primary);
  color: white;
}

.plan-card__btn--dark:active {
  background: #2D2A3E;
}

.plans__guarantee {
  text-align: center;
  padding: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

/* ============================================
   PROFILE SCREEN
   ============================================ */
.profile-header {
  background: var(--primary-gradient);
  padding: var(--space-3xl) var(--space-lg) var(--space-4xl);
  text-align: center;
  border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
  position: relative;
}

.profile-header__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 3px solid rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  color: white;
}

.profile-header__name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
}

.profile-header__uni {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}

.profile-header__plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
}

.profile-stats {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin: calc(-1 * var(--space-2xl)) var(--space-lg) 0;
  position: relative;
  z-index: 1;
}

.profile-stat {
  flex: 1;
  max-width: 120px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.profile-stat__value {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--primary);
}

.profile-stat__label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Profile Menu */
.profile-menu {
  padding: var(--space-xl) var(--space-lg);
}

.profile-menu__group {
  margin-bottom: var(--space-lg);
}

.profile-menu__group-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}

.profile-menu__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.profile-menu__item:active {
  background: var(--surface);
}

.profile-menu__item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.profile-menu__item-text {
  flex: 1;
}

.profile-menu__item-title {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.profile-menu__item-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.profile-menu__item-arrow {
  color: var(--text-tertiary);
  font-size: 1rem;
}

/* ============================================
   MODAL / OVERLAY
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 46, 0.5);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

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

.modal {
  background: var(--bg-white);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  width: 100%;
  max-width: 430px;
  padding: var(--space-xl);
  animation: slideUp 0.35s var(--transition-spring);
  max-height: 85vh;
  overflow-y: auto;
}

.modal__handle {
  width: 40px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--border);
  margin: 0 auto var(--space-lg);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
  position: fixed;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--text-primary);
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: var(--z-toast);
  box-shadow: var(--shadow-xl);
  transition: transform 0.4s var(--transition-spring);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  max-width: 380px;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast--success {
  background: var(--success);
}

.toast--error {
  background: var(--error);
}

/* ============================================
   RESPONSIVE (Tablet/Desktop Preview)
   ============================================ */
@media (min-width: 480px) {
  body {
    background: #1E1B2E;
  }
  
  .app-shell {
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 0 80px rgba(124, 58, 237, 0.15);
    min-height: calc(100vh - 40px);
    border: 1px solid rgba(124, 58, 237, 0.2);
  }
  
  .bottom-nav {
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}