.upn-app {
  --upn-bg: #09090b;
  --upn-panel: #101014;
  --upn-border: rgba(255,255,255,0.10);
  --upn-text: #ffffff;
  --upn-muted: #a1a1aa;
  --upn-muted-2: #71717a;
  --upn-accent: #22c55e;
  --upn-accent-hover: #4ade80;
  --upn-danger: #dc2626;
  --upn-shadow: 0 20px 50px rgba(0,0,0,0.35);
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(34,197,94,0.15), transparent 30%),
    radial-gradient(circle at top left, rgba(59,130,246,0.10), transparent 28%),
    var(--upn-bg);
  color: var(--upn-text);
  font-family: Arial, Helvetica, sans-serif;
  position: relative;
}

.upn-app *,
.upn-app *::before,
.upn-app *::after {
  box-sizing: border-box;
}

.upn-app a {
  color: inherit;
  text-decoration: none;
}

.upn-app button,
.upn-app input,
.upn-app textarea,
.upn-app select {
  font-family: inherit;
}

.upn-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 268px;
  height: 100vh;
  background: rgba(16,16,20,0.98);
  border-right: 1px solid var(--upn-border);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  z-index: 999;
}

.upn-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.upn-brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 17px;
  background: var(--upn-accent);
  color: #020617;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 22px;
}

.upn-brand h1,
.upn-brand p {
  margin: 0;
}

.upn-brand h1 {
  font-size: 23px;
  line-height: 1;
  letter-spacing: -0.05em;
  color: #fff;
}

.upn-brand p {
  color: var(--upn-muted-2);
  font-size: 12px;
  margin-top: 4px;
}

.upn-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upn-nav a {
  color: #d4d4d8;
  padding: 13px 14px;
  border-radius: 18px;
  font-size: 15px;
  transition: 0.2s ease;
}

.upn-nav a:hover,
.upn-nav a.active {
  background: rgba(255,255,255,0.09);
  color: #fff;
}

.upn-side-card {
  margin-top: auto;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--upn-border);
}

.upn-side-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: #fff;
}

.upn-side-card p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--upn-muted);
  margin: 0 0 16px;
}

.upn-main {
  margin-left: 268px;
  min-height: 100vh;
}

.upn-topbar {
  position: sticky;
  top: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 32px;
  background: rgba(9,9,11,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--upn-border);
}

.upn-mobile-menu {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.07);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

.upn-search-wrap {
  flex: 1;
  max-width: 680px;
  position: relative;
}

.upn-search-wrap input {
  width: 100%;
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.055);
  color: #fff;
  border-radius: 18px;
  padding: 14px 16px 14px 44px;
  outline: none;
  font-size: 14px;
}

.upn-search-wrap input:focus {
  border-color: rgba(34,197,94,0.75);
}

.upn-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--upn-muted-2);
}

.upn-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.upn-primary-btn,
.upn-secondary-btn,
.upn-join-btn,
.upn-watch-btn,
.upn-small-btn {
  border: none;
  border-radius: 16px;
  padding: 12px 16px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: 0.2s ease;
  line-height: 1;
}

.upn-primary-btn {
  background: var(--upn-accent);
  color: #020617 !important;
}

.upn-primary-btn:hover,
.upn-join-btn:hover {
  background: var(--upn-accent-hover);
  transform: translateY(-1px);
}

.upn-secondary-btn {
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.07);
  color: #fff !important;
}

.upn-secondary-btn:hover {
  background: rgba(255,255,255,0.12);
}

.upn-join-btn {
  background: var(--upn-accent);
  color: #020617 !important;
}

.upn-small-btn {
  padding: 8px 11px;
  font-size: 12px;
  background: rgba(255,255,255,0.09);
  color: #fff !important;
}

.upn-small-btn:hover {
  background: var(--upn-accent);
  color: #020617 !important;
}

.upn-content {
  padding: 32px;
}

.upn-loading {
  color: var(--upn-muted);
  padding: 30px;
}

.upn-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
  border: 1px solid var(--upn-border);
  box-shadow: var(--upn-shadow);
  overflow: hidden;
}

.upn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34,197,94,0.12);
  color: #86efac;
  border: 1px solid rgba(34,197,94,0.35);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
}

.upn-hero h2,
.upn-page-hero h2 {
  max-width: 830px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.07em;
  margin: 0 0 18px;
  color: #fff;
}

.upn-hero p,
.upn-page-hero p {
  color: var(--upn-muted);
  font-size: 18px;
  line-height: 1.65;
  max-width: 700px;
  margin: 0 0 24px;
}

.upn-hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.upn-platform-stats,
.upn-stats-row {
  display: grid;
  gap: 16px;
}

.upn-platform-stats {
  grid-template-columns: repeat(4, minmax(0,1fr));
  margin-top: 24px;
}

.upn-stats-row {
  grid-template-columns: repeat(3, 1fr);
  margin: 22px 0;
}

.upn-stat-box {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--upn-border);
}

.upn-stat-box strong {
  display: block;
  font-size: 22px;
  color: #fff;
}

.upn-stat-box span {
  color: var(--upn-muted);
  font-size: 13px;
}

.upn-featured-shell {
  padding: 5px;
  border-radius: 32px;
  background: linear-gradient(135deg, #22c55e, #06b6d4, #8b5cf6);
  box-shadow: var(--upn-shadow);
}

.upn-featured {
  border-radius: 28px;
  background: rgba(0,0,0,0.58);
  padding: 18px;
}

.upn-video-box {
  aspect-ratio: 16 / 10;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.02)),
    radial-gradient(circle at center, rgba(34,197,94,0.22), transparent 42%),
    #101014;
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.upn-video-large {
  aspect-ratio: 16 / 9;
  border-radius: 28px;
  min-height: 360px;
}

.upn-video-top,
.upn-thumb-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.upn-live-badge {
  background: var(--upn-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  padding: 6px 10px;
  border-radius: 999px;
}

.upn-viewers-badge {
  background: rgba(0,0,0,0.4);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 7px 10px;
  border-radius: 999px;
}

.upn-play-circle {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  position: absolute;
  inset: 0;
  margin: auto;
  backdrop-filter: blur(12px);
}

.upn-featured-meta {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.upn-avatar,
.upn-creator-avatar {
  border-radius: 18px;
  background: var(--upn-accent);
  color: #020617;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.upn-avatar {
  width: 44px;
  height: 44px;
}

.upn-creator-avatar {
  width: 92px;
  height: 92px;
  font-size: 36px;
}

.upn-featured-meta h4 {
  font-size: 16px;
  margin: 0 0 3px;
  color: #fff;
}

.upn-featured-meta p {
  color: var(--upn-muted);
  font-size: 13px;
  margin: 0;
}

.upn-categories {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 28px 0 10px;
}

.upn-categories button {
  border: none;
  white-space: nowrap;
  padding: 12px 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s ease;
}

.upn-categories button:hover,
.upn-categories button.active {
  background: var(--upn-accent);
  color: #020617;
}

.upn-home-layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) 330px;
  gap: 24px;
  align-items: start;
}

.upn-section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 30px 0 18px;
}

.upn-section-title h3 {
  font-size: 28px;
  letter-spacing: -0.04em;
  margin: 0;
  color: #fff;
}

.upn-section-title p {
  color: var(--upn-muted);
  margin: 5px 0 0;
}

.upn-grid,
.upn-grid-4,
.upn-category-grid {
  display: grid;
  gap: 20px;
}

.upn-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.upn-grid-4,
.upn-category-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.upn-card,
.upn-info-card,
.upn-chat-panel,
.upn-profile-panel,
.upn-form-panel,
.upn-rank-panel,
.upn-category-card {
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--upn-border);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--upn-shadow);
}

.upn-card {
  transition: 0.2s ease;
}

.upn-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34,197,94,0.5);
}

.upn-thumb {
  aspect-ratio: 16 / 9;
  padding: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.upn-thumb strong {
  text-align: center;
  font-size: 28px;
  letter-spacing: -0.05em;
  text-shadow: 0 6px 20px rgba(0,0,0,0.35);
  color: #fff;
}

.upn-bg-1 { background: linear-gradient(135deg, #7c3aed, #db2777); }
.upn-bg-2 { background: linear-gradient(135deg, #059669, #0891b2); }
.upn-bg-3 { background: linear-gradient(135deg, #ea580c, #dc2626); }
.upn-bg-4 { background: linear-gradient(135deg, #2563eb, #4f46e5); }
.upn-bg-5 { background: linear-gradient(135deg, #c026d3, #7c3aed); }
.upn-bg-6 { background: linear-gradient(135deg, #ca8a04, #ea580c); }
.upn-bg-7 { background: linear-gradient(135deg, #0f766e, #16a34a); }
.upn-bg-8 { background: linear-gradient(135deg, #be123c, #f97316); }

.upn-card-body {
  padding: 16px;
}

.upn-card-body h4 {
  font-size: 18px;
  margin: 0 0 6px;
  letter-spacing: -0.03em;
  color: #fff;
}

.upn-creator {
  color: var(--upn-muted);
  font-size: 14px;
  margin: 0 0 14px;
}

.upn-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.upn-card-actions {
  display: flex;
  gap: 8px;
}

.upn-tag {
  background: rgba(255,255,255,0.08);
  color: #d4d4d8;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

.upn-watch-btn {
  background: rgba(255,255,255,0.09);
  color: #fff !important;
  padding: 9px 12px;
  font-size: 13px;
}

.upn-watch-btn:hover {
  background: var(--upn-accent);
  color: #020617 !important;
}

.upn-empty-state {
  display: none;
  padding: 40px;
  border-radius: 24px;
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.045);
  color: var(--upn-muted);
  text-align: center;
  margin-top: 18px;
}

.upn-page-hero {
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
  border: 1px solid var(--upn-border);
  box-shadow: var(--upn-shadow);
  margin-bottom: 24px;
}

.upn-profile-layout,
.upn-watch-layout,
.upn-join-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.upn-creator-banner {
  min-height: 250px;
  border-radius: 32px;
  padding: 24px;
  display: flex;
  align-items: end;
  margin-bottom: -42px;
}

.upn-profile-card {
  padding: 0 24px 24px;
}

.upn-profile-header {
  display: flex;
  align-items: end;
  gap: 18px;
  margin-bottom: 18px;
}

.upn-profile-header h2 {
  font-size: 36px;
  letter-spacing: -0.05em;
  margin: 0;
  color: #fff;
}

.upn-profile-header p,
.upn-profile-panel p {
  color: var(--upn-muted);
  margin: 4px 0 0;
}

.upn-info-card,
.upn-profile-panel,
.upn-chat-panel,
.upn-form-panel,
.upn-rank-panel {
  padding: 22px;
}

.upn-info-card h3,
.upn-profile-panel h3,
.upn-chat-panel h3,
.upn-form-panel h3,
.upn-rank-panel h3 {
  font-size: 22px;
  margin: 0 0 12px;
  letter-spacing: -0.04em;
  color: #fff;
}

.upn-info-card p,
.upn-rank-panel p {
  color: var(--upn-muted);
  line-height: 1.65;
  margin: 0 0 14px;
}

.upn-schedule-list,
.upn-social-list,
.upn-rank-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.upn-schedule-list div,
.upn-social-list a,
.upn-rank-item {
  padding: 13px;
  border-radius: 16px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--upn-border);
  color: #e4e4e7 !important;
}

.upn-rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.upn-rank-number {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--upn-accent);
  color: #020617;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  flex: 0 0 auto;
}

.upn-rank-item h4 {
  font-size: 14px;
  margin: 0 0 3px;
  color: #fff;
}

.upn-rank-item p {
  margin: 0;
  font-size: 12px;
}

.upn-watch-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 16px 0 22px;
}

.upn-watch-title-row h2 {
  font-size: 32px;
  letter-spacing: -0.05em;
  margin: 0;
  color: #fff;
}

.upn-chat-messages {
  display: grid;
  gap: 12px;
  max-height: 440px;
  overflow: auto;
  padding-right: 4px;
}

.upn-message {
  padding: 12px;
  background: rgba(255,255,255,0.055);
  border-radius: 16px;
  color: #e4e4e7;
  font-size: 14px;
  line-height: 1.45;
}

.upn-message strong {
  color: #86efac;
}

.upn-chat-input {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.upn-chat-input input {
  flex: 1;
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.055);
  color: #fff;
  border-radius: 16px;
  padding: 13px;
  outline: none;
}

.upn-form-grid {
  display: grid;
  gap: 14px;
}

.upn-form-row {
  display: grid;
  gap: 8px;
}

.upn-form-row label {
  color: #e4e4e7;
  font-size: 14px;
  font-weight: 700;
}

.upn-form-row input,
.upn-form-row textarea,
.upn-form-row select {
  width: 100%;
  border: 1px solid var(--upn-border);
  background: rgba(255,255,255,0.055);
  color: #fff;
  border-radius: 16px;
  padding: 13px;
  outline: none;
}

.upn-form-row select option {
  color: #111827;
}

.upn-form-row textarea {
  min-height: 130px;
  resize: vertical;
}

.upn-form-row input:focus,
.upn-form-row textarea:focus,
.upn-form-row select:focus {
  border-color: rgba(34,197,94,0.75);
}

.upn-form-note {
  color: var(--upn-muted);
  font-size: 13px;
  line-height: 1.5;
}

.upn-success-box {
  display: none;
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.35);
  color: #bbf7d0;
}

.upn-category-card {
  min-height: 180px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.upn-category-card h3 {
  font-size: 28px;
  letter-spacing: -0.05em;
  margin: 0;
  color: #fff;
}

.upn-category-card p {
  color: rgba(255,255,255,0.82);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 1200px) {
  .upn-home-layout,
  .upn-hero,
  .upn-profile-layout,
  .upn-watch-layout,
  .upn-join-layout {
    grid-template-columns: 1fr;
  }

  .upn-grid,
  .upn-grid-4,
  .upn-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .upn-sidebar {
    transform: translateX(-100%);
    transition: 0.25s ease;
  }

  .upn-sidebar.open {
    transform: translateX(0);
  }

  .upn-main {
    margin-left: 0;
  }

  .upn-mobile-menu {
    display: block;
  }

  .upn-topbar {
    padding: 14px;
  }

  .upn-topbar-actions .upn-secondary-btn {
    display: none;
  }

  .upn-content {
    padding: 18px;
  }

  .upn-hero,
  .upn-page-hero {
    padding: 24px;
    border-radius: 28px;
  }

  .upn-hero h2,
  .upn-page-hero h2 {
    font-size: 42px;
  }

  .upn-grid,
  .upn-grid-4,
  .upn-category-grid,
  .upn-platform-stats,
  .upn-stats-row {
    grid-template-columns: 1fr;
  }

  .upn-watch-title-row {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .upn-join-btn {
    padding: 11px 13px;
  }

  .upn-hero h2,
  .upn-page-hero h2 {
    font-size: 36px;
  }

  .upn-hero p,
  .upn-page-hero p {
    font-size: 16px;
  }

  .upn-creator-banner {
    min-height: 200px;
  }

  .upn-profile-header {
    align-items: start;
    flex-direction: column;
  }

  .upn-chat-input {
    flex-direction: column;
  }
}