*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --blue: #3A6FFF;
  --blue-hover: #2b5fef;
  --gold: #FFC837;
  --green: #22c55e;
  --bg-dark: #0a0d18;
  --bg-card: rgba(20, 24, 38, 0.85);
  --bg-card-hover: rgba(20, 24, 38, 0.95);
  --text-muted: rgba(255, 255, 255, 0.6);
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-heading: 'Montserrat', ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  --blur: blur(16px);
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.75rem;
  --shadow-blue: 0 4px 25px rgba(58, 111, 255, 0.2);
  --shadow-glow: 0 0 30px rgba(58, 111, 255, 0.15);
  --anim-fast: 0.15s;
  --anim-base: 0.25s;
  --anim-slow: 0.5s;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --anim-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-default: var(--anim-base) var(--anim-ease);
}

html {
  scroll-behavior: smooth;
  background: var(--bg-dark);
}

body {
  font-family: var(--font-body);
  color: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

::selection {
  background: rgba(58, 111, 255, 0.3);
  color: #fff;
}

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

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

.bg-wrapper {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 13, 24, 0.7), rgba(10, 13, 24, 0.4), rgba(10, 13, 24, 0.85));
}

.bg-overlay::before,
.bg-overlay::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.bg-overlay::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.bg-overlay::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation: orbFloat2 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-60px, 40px) scale(1.15); }
  66% { transform: translate(30px, -20px) scale(0.9); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -30px) scale(1.1); }
  66% { transform: translate(-40px, 20px) scale(0.85); }
}

.page {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.page-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.page-logo {
  width: 4.5rem;
  height: auto;
  margin: 0 auto 0.5rem;
  filter: drop-shadow(0 4px 12px rgba(58, 111, 255, 0.3));
  animation: logoFloat 3s ease-in-out infinite;
}

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

.page-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-title .accent {
  background: linear-gradient(135deg, var(--blue) 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.carousel-wrapper {
  position: relative;
  width: 100%;
  max-width: 58rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel-viewport {
  overflow: hidden;
  flex: 1;
  cursor: grab;
}

.carousel-viewport:active {
  cursor: grabbing;
}

.carousel-viewport.dragging {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0 calc(50% - 16rem);
  transition: transform var(--anim-slow) cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carousel-track.no-transition {
  transition: none;
}

.card-wrapper {
  flex: 0 0 32rem;
  transition: opacity var(--anim-slow) var(--anim-ease),
              transform var(--anim-slow) var(--anim-ease);
  opacity: 0.35;
  transform: scale(0.88);
}

.card-wrapper.active {
  opacity: 1;
  transform: scale(1);
}

.card-wrapper.nearby {
  opacity: 0.5;
  transform: scale(0.92);
}

.card-wrapper.single {
  flex: 1;
  opacity: 1;
  transform: scale(1);
}

.card-wrapper:not(.single):hover .invite-card {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), 0 8px 30px rgba(58, 111, 255, 0.1);
}

.card-wrapper.active .invite-card {
  border-color: rgba(58, 111, 255, 0.25);
  box-shadow: var(--shadow-glow);
}

.card-wrapper.single .invite-card {
  box-shadow: var(--shadow-glow);
}

.invite-card {
  position: relative;
  padding: 2.25rem 1.75rem 2rem;
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  transition: transform var(--anim-base) var(--anim-ease),
              border-color var(--anim-base) var(--anim-ease),
              box-shadow var(--anim-base) var(--anim-ease);
}

.invite-card.highlight {
  border-color: var(--blue);
  box-shadow: var(--shadow-glow);
}

.card-preview {
  width: calc(100% + 3.5rem);
  height: 11rem;
  object-fit: cover;
  margin: -2.25rem -1.75rem 1.25rem;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  background: rgba(255, 255, 255, 0.03);
}

.card-logo {
  width: 6rem;
  height: 6rem;
  border-radius: 1.25rem;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.05);
  margin-bottom: 1.125rem;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.3));
}

.card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 0.25rem;
}

.card-name strong {
  color: var(--blue);
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.redirect-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(13, 16, 24, 0.95), rgba(20, 24, 38, 0.9));
  border: 1px solid rgba(34, 197, 94, 0.45);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  color: #22c55e;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: border-color var(--transition-default), box-shadow var(--transition-default), transform var(--anim-fast) var(--anim-ease);
}

.redirect-btn::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.35);
  animation: btnGlow 2.5s ease-in-out infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes btnGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.redirect-btn:hover {
  border-color: #22c55e;
  box-shadow: 0 0 25px rgba(34, 197, 94, 0.5);
  transform: translateY(-1px);
}

.redirect-btn:hover::after {
  animation: none;
  opacity: 0;
}

.redirect-btn svg {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-default);
  flex-shrink: 0;
}

.redirect-btn span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
  text-align: left;
}

.redirect-btn:hover svg {
  color: #fff;
}

.countdown-pill {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  background: rgba(10, 13, 24, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(34, 197, 94, 0.4);
  border-radius: 3rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(34, 197, 94, 0.2);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--anim-base) var(--anim-ease),
              transform var(--anim-base) var(--anim-ease-spring);
}

.countdown-pill.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.countdown-pill-spinner {
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 0.8s linear infinite;
}

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

.countdown-pill-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--green);
  white-space: nowrap;
}

.countdown-pill-cancel {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--anim-fast) var(--anim-ease);
  padding: 0;
  font-size: 0.625rem;
}

.countdown-pill-cancel:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fff;
}

.carousel-arrow {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 24, 38, 0.7);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--anim-base) var(--anim-ease);
  z-index: 2;
}

.carousel-arrow:hover {
  background: rgba(20, 24, 38, 0.95);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: scale(1.05);
}

.carousel-arrow:active {
  transform: scale(0.95);
}

.carousel-arrow:disabled {
  opacity: 0.2;
  cursor: default;
  transform: none;
}

.carousel-arrow:disabled:hover {
  background: rgba(20, 24, 38, 0.7);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
}

.carousel-wrapper.single .carousel-arrow {
  display: none;
}

.carousel-wrapper.single .carousel-viewport {
  cursor: default;
}

.carousel-wrapper.single .carousel-track {
  padding: 0;
}

.carousel-wrapper:focus {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
  border-radius: var(--radius-xl);
}

.carousel-wrapper:focus:not(:focus-visible) {
  outline: none;
}

.carousel-dots.hidden {
  display: none;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.carousel-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  transition: all var(--anim-base) var(--anim-ease);
  padding: 0;
}

.carousel-dot:hover {
  background: rgba(255, 255, 255, 0.4);
}

.carousel-dot.active {
  background: var(--blue);
  width: 1.5rem;
  border-radius: 0.25rem;
}

.page-footer {
  margin-top: 1.5rem;
  text-align: center;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 3rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: all var(--anim-base) var(--anim-ease);
  text-decoration: none;
}

.footer-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.footer-logo {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.25rem;
}

.footer-link strong {
  color: #fff;
}

.ct-gradient {
  background: var(--ct-grad, linear-gradient(90deg, var(--blue), var(--gold)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.empty-state {
  min-width: 100%;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  border-radius: var(--radius-2xl);
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  opacity: 0.25;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state-text {
  font-size: 1rem;
  font-family: var(--font-heading);
  font-weight: 600;
}

.loading-state {
  min-width: 100%;
  display: flex;
  justify-content: center;
  padding: 4rem 1rem;
}

.loading-spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@media (max-width: 480px) {
  .page {
    padding: 1.5rem 0;
  }

  .page-title {
    font-size: 1.25rem;
  }

  .page-logo {
    width: 3.5rem;
  }

  .carousel-wrapper {
    max-width: 100%;
  }

  .carousel-arrow {
    width: 2rem;
    height: 2rem;
  }

  .card-wrapper {
    flex: 0 0 20rem;
  }

  .carousel-track {
    padding: 0 calc(50% - 10rem);
    gap: 0.5rem;
  }

  .invite-card {
    padding: 1.5rem 1.125rem 1.375rem;
  }

  .card-preview {
    width: calc(100% + 2.25rem);
    height: 8rem;
    margin: -1.5rem -1.125rem 1rem;
  }

  .card-logo {
    width: 4.5rem;
    height: 4.5rem;
  }

  .card-name {
    font-size: 1.125rem;
  }

  .card-desc {
    font-size: 0.8125rem;
  }
}