* {
  box-sizing: border-box;
}

:root {
  --bg-dark: #020617;
  --panel: rgba(15, 23, 42, 0.78);
  --panel-strong: rgba(15, 23, 42, 0.94);
  --border: rgba(148, 163, 184, 0.18);
  --green: #4ade80;
  --cyan: #38bdf8;
  --purple: #a855f7;
  --text: #f8fafc;
  --muted: #94a3b8;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(34, 197, 94, 0.2), transparent 28%),
    radial-gradient(circle at 90% 15%, rgba(56, 189, 248, 0.16), transparent 30%),
    radial-gradient(circle at 70% 90%, rgba(168, 85, 247, 0.22), transparent 34%),
    linear-gradient(135deg, #020617, #07111f);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 45px 45px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 275px;
  height: 100vh;
  padding: 30px 22px;
  background: rgba(2, 6, 23, 0.9);
  border-right: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
  z-index: 1000;
}

.logo h2 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 2px;
  color: var(--green);
}

.logo p {
  margin: 6px 0 42px;
  color: var(--muted);
  font-size: 13px;
}

.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #e2e8f0;
  text-decoration: none;
  padding: 15px 16px;
  margin-bottom: 12px;
  border-radius: 16px;
  font-weight: 800;
  transition: 0.25s;
}

.sidebar a:hover {
  background: rgba(74, 222, 128, 0.14);
  color: var(--green);
  transform: translateX(6px);
}

.main-content {
  margin-left: 275px;
  padding: 34px;
  min-height: 100vh;
}

.page-header {
  margin-bottom: 26px;
}

h1 {
  margin: 0 0 8px;
  font-size: 44px;
  letter-spacing: -1px;
  text-shadow: 0 0 28px rgba(74, 222, 128, 0.18);
}

.subtitle {
  color: var(--muted);
  margin: 0;
  font-size: 16px;
}

.card,
.stat-card,
.activity {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
  backdrop-filter: blur(14px);
}

.card {
  padding: 26px;
}

.card h2 {
  margin-top: 0;
  color: var(--green);
}

.card p,
.activity p,
label {
  color: #cbd5e1;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

.stat-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(74,222,128,0.24), transparent 65%);
}

.stat-card h3 {
  color: var(--muted);
  margin: 0 0 12px;
}

.stat-card p {
  margin: 0;
  font-size: 48px;
  font-weight: 900;
}

input,
select {
  width: 100%;
  padding: 14px 16px;
  margin: 9px 0;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.95);
  color: white;
  outline: none;
}

input::placeholder {
  color: #64748b;
}

input:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(74,222,128,0.12);
}

button,
.link-button {
  display: inline-block;
  padding: 13px 20px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #06b6d4);
  color: white;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: 0.2s;
  box-shadow: 0 12px 25px rgba(34,197,94,0.2);
}

button:hover,
.link-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(56,189,248,0.25);
}

.activity {
  margin: 14px 0;
  padding: 18px;
  border-left: 5px solid var(--green);
  position: relative;
  overflow: hidden;
}

.activity h3 {
  color: #7dd3fc;
  margin: 0 0 12px;
  font-size: 20px;
}

.activity p {
  margin: 7px 0;
  font-size: 14px;
}

.activity strong {
  color: #e2e8f0;
}

.owner-label {
  color: #86efac !important;
  font-weight: 900;
}

.activity-list {
  display: grid;
  gap: 16px;
}

.activity-card-pro {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: 0 14px 35px rgba(0,0,0,0.25);
  border-left: 5px solid var(--green);
}

.activity-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 28px;
  background: linear-gradient(135deg, rgba(34,197,94,0.35), rgba(56,189,248,0.2));
  border: 1px solid rgba(255,255,255,0.16);
}

.activity-info h3 {
  margin: 0 0 8px;
  color: white;
  font-size: 20px;
}

.activity-info p {
  margin: 4px 0;
  color: #cbd5e1;
  font-size: 13px;
}

.activity-actions {
  text-align: right;
}

.badge {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(74,222,128,0.12);
  border: 1px solid rgba(74,222,128,0.25);
  color: #86efac;
  font-size: 12px;
  font-weight: 900;
}

.browse-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 430px;
  gap: 24px;
  align-items: start;
}

.map-card {
  min-height: 0;
}

#map {
  height: 520px;
  width: 100%;
  border-radius: 22px;
  border: 2px solid rgba(74,222,128,0.28);
  box-shadow: 0 0 30px rgba(74,222,128,0.12);
}

.browse-side {
  max-height: 610px;
  overflow-y: auto;
  padding-right: 6px;
}

.browse-side::-webkit-scrollbar {
  width: 8px;
}

.browse-side::-webkit-scrollbar-thumb {
  background: rgba(74,222,128,0.45);
  border-radius: 999px;
}

.filter-panel {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.auth-container {
  max-width: 520px;
  margin: 70px auto;
  padding: 20px;
}

.auth-container h1 {
  text-align: center;
  font-size: 58px;
}

.auth-container > p {
  text-align: center;
  color: #bbf7d0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.main-content,
.auth-container {
  animation: fadeUp 0.55s ease;
}

@media (max-width: 1050px) {
  .browse-layout,
  .filter-panel,
  .stats-grid,
  .grid {
    grid-template-columns: 1fr;
  }

  .browse-side {
    max-height: none;
  }
}

@media (max-width: 850px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
  }

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

  h1 {
    font-size: 34px;
  }

  .activity-card-pro {
    grid-template-columns: 1fr;
  }

  .activity-actions {
    text-align: left;
  }
}
.landing-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-container {
  width: 90%;
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.landing-left h1 {
  font-size: 78px;
  margin: 0;
  color: white;
  letter-spacing: 3px;
  text-shadow: 0 0 35px rgba(74,222,128,0.35);
}

.tagline {
  font-size: 24px;
  color: #bbf7d0;
  max-width: 600px;
  line-height: 1.4;
}

.feature-list {
  margin-top: 35px;
  display: grid;
  gap: 14px;
}

.feature-list p {
  color: #e2e8f0;
  background: rgba(15,23,42,0.72);
  border: 1px solid rgba(74,222,128,0.18);
  padding: 16px 20px;
  border-radius: 18px;
  width: fit-content;
}

.landing-right {
  background: rgba(15,23,42,0.82);
  border: 1px solid rgba(74,222,128,0.25);
  border-radius: 30px;
  padding: 30px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
  backdrop-filter: blur(16px);
}

.auth-tabs {
  display: grid;
  gap: 24px;
}

.auth-box h2 {
  color: #4ade80;
  margin-top: 0;
}

.auth-box {
  padding: 20px;
  border-radius: 22px;
  background: rgba(2,6,23,0.45);
  border: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 900px) {
  .landing-container {
    grid-template-columns: 1fr;
  }

  .landing-left h1 {
    font-size: 54px;
  }
}
.chat-box {
  height: 400px;
  overflow-y: auto;
  padding: 15px;
  background: rgba(2,6,23,0.45);
  border-radius: 18px;
  margin-bottom: 15px;
}

.message {
  padding: 12px 15px;
  margin: 10px 0;
  border-radius: 16px;
  background: rgba(56,189,248,0.15);
  color: white;
}

.chat-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.user-item {
  padding: 14px;
  margin-bottom: 10px;
  border-radius: 14px;
  background: rgba(15,23,42,0.85);
  cursor: pointer;
  border: 1px solid rgba(74,222,128,0.2);
}

.user-item:hover {
  background: rgba(74,222,128,0.15);
}
.browse-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.sport-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.sport-tabs button {
  background: rgba(15,23,42,0.85);
  border: 1px solid rgba(74,222,128,0.25);
}

.sport-tabs button:hover {
  background: rgba(74,222,128,0.25);
}

.browse-pro-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: start;
}

.browse-map-panel {
  background: rgba(15,23,42,0.82);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 26px;
  padding: 18px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.browse-map-panel #map {
  height: 660px;
  border-radius: 22px;
}

.map-status {
  margin-top: 18px;
  padding: 18px;
  background: rgba(2,6,23,0.65);
  border-radius: 18px;
  border: 1px solid rgba(74,222,128,0.18);
}

.map-status h3 {
  margin: 0;
  color: #86efac;
}

.nearby-panel {
  background: rgba(15,23,42,0.82);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 26px;
  padding: 22px;
  max-height: 780px;
  overflow-y: auto;
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.nearby-panel h2 {
  color: #86efac;
}

.activity-card-pro {
  margin-bottom: 16px;
}

.map-activity-icon {
  width: 46px;
  height: 46px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #22c55e, #06b6d4);
  border: 3px solid white;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.map-activity-icon span {
  transform: rotate(45deg);
  font-size: 22px;
}

@media (max-width: 1100px) {
  .browse-pro-layout {
    grid-template-columns: 1fr;
  }

  .browse-map-panel #map {
    height: 500px;
  }
}.profile-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  margin-bottom: 28px;
}

.profile-card {
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(74,222,128,0.25);
  border-radius: 28px;
  padding: 34px;
  text-align: center;
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.profile-avatar {
  width: 110px;
  height: 110px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 56px;
  background: linear-gradient(135deg, rgba(34,197,94,0.4), rgba(56,189,248,0.25));
  border: 2px solid rgba(255,255,255,0.15);
}

.profile-card h2 {
  color: #86efac;
  margin-bottom: 10px;
}

.profile-card p {
  color: #cbd5e1;
}

.rating {
  color: #facc15 !important;
  font-size: 22px;
}

@media (max-width: 900px) {
  .profile-layout {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    font-size: 14px;
  }

  .sidebar {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    padding: 16px !important;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .logo {
    width: 100%;
  }

  .logo h2 {
    font-size: 24px;
  }

  .logo p {
    margin-bottom: 10px;
  }

  .sidebar a {
    flex: 1 1 45%;
    margin: 0 !important;
    padding: 10px !important;
    font-size: 12px;
    text-align: center;
    justify-content: center;
  }

  .main-content {
    margin-left: 0 !important;
    padding: 14px !important;
    width: 100%;
  }

  h1 {
    font-size: 28px !important;
    line-height: 1.1;
  }

  h2 {
    font-size: 20px;
  }

  .subtitle {
    font-size: 14px;
  }

  .browse-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .sport-tabs {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 8px;
    padding-bottom: 8px;
  }

  .sport-tabs button {
    flex: 0 0 auto;
    width: auto !important;
    white-space: nowrap;
    padding: 10px 14px;
    font-size: 12px;
  }

  .browse-pro-layout,
  .browse-layout,
  .profile-layout,
  .grid,
  .stats-grid,
  .filter-panel {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .browse-map-panel,
  .nearby-panel,
  .card,
  .profile-card,
  .stat-card {
    width: 100%;
    padding: 16px !important;
    border-radius: 18px !important;
  }

  #map,
  .browse-map-panel #map {
    height: 320px !important;
    width: 100% !important;
    min-height: 320px;
  }

  .nearby-panel {
    max-height: none !important;
    overflow-y: visible !important;
  }

  .activity-card-pro {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    padding: 16px !important;
  }

  .activity-icon {
    width: 52px !important;
    height: 52px !important;
    font-size: 26px !important;
  }

  .activity-info h3 {
    font-size: 18px;
  }

  .activity-info p {
    font-size: 13px;
    word-break: break-word;
  }

  .activity-actions {
    text-align: left !important;
  }

  button,
  .link-button,
  input,
  select {
    width: 100% !important;
    max-width: 100%;
    font-size: 14px !important;
  }

  .chat-input {
    display: grid !important;
    grid-template-columns: 1fr !important;
  }

  .chat-box {
    height: 320px !important;
  }

  .message {
    word-break: break-word;
  }

  .landing-page {
    align-items: flex-start;
    padding: 12px;
  }

  .landing-container {
    width: 100%;
    grid-template-columns: 1fr !important;
    gap: 18px;
  }

  .landing-left h1 {
    font-size: 42px !important;
  }

  .tagline {
    font-size: 17px;
  }

  .feature-list p {
    width: 100%;
    font-size: 14px;
  }

  .landing-right {
    padding: 18px !important;
  }

  .auth-box {
    padding: 16px !important;
  }

  .profile-avatar {
    width: 90px;
    height: 90px;
    font-size: 44px;
  }

  .stat-card p {
    font-size: 32px !important;
  }
}
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-container {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 32px;
  align-items: center;
}

.auth-brand h1 {
  font-size: 72px;
  margin-bottom: 14px;
  color: #86efac;
}

.auth-brand p {
  font-size: 20px;
  color: #cbd5e1;
  max-width: 520px;
  line-height: 1.6;
}

.auth-card {
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 28px;
  padding: 34px;
  box-shadow: 0 25px 70px rgba(0,0,0,0.45);
}

.auth-card h2 {
  margin-bottom: 6px;
  color: white;
}

.divider {
  margin: 24px 0;
  text-align: center;
  color: #94a3b8;
  font-size: 14px;
}

.secondary-btn {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
}

@media (max-width: 800px) {
  .auth-container {
    grid-template-columns: 1fr;
  }

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

  .auth-brand h1 {
    font-size: 46px;
  }

  .auth-brand p {
    font-size: 16px;
  }
}