:root {
      --primary-text: #ffffff;
      --secondary-text: #a0aec0;
      --tertiary-text: #718096;
      --accent-color: #60a5fa;
      --success-color: #10b981;
      --link-bg: rgba(255, 255, 255, 0.05);
      --link-border: rgba(255, 255, 255, 0.1);
      --link-hover-bg: rgba(255, 255, 255, 0.08);
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --section-gap: 1.5rem;
    }

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

    body {
      min-height: 100vh;
      background: #0b0e14;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Viga', system-ui, -apple-system, sans-serif;
      color: var(--primary-text);
      position: relative;
      overflow-x: hidden;
      padding: 2rem 1rem;
    }

    .background-grid {
      position: fixed;
      inset: 0;
      background:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 40px 40px;
      z-index: 0;
      pointer-events: none;
    }

    .music-player {
      position: fixed;
      top: 1.5rem;
      left: 1.5rem;
      z-index: 1000;
    }

    .music-toggle {
      position: relative;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
      border: 2px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition-smooth);
      overflow: visible;
    }

    .music-toggle:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: scale(1.05);
    }

    .music-toggle:active {
      transform: scale(0.95);
    }

    .music-toggle::before {
      content: '';
      position: absolute;
      inset: -3px;
      border-radius: 50%;
      background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--accent-color) 25%,
        #8b5cf6 50%,
        #10b981 75%,
        transparent 100%
      );
      opacity: 0;
      transition: opacity 0.3s ease;
      animation: rotateBorder 3s linear infinite;
      z-index: -1;
    }

    .music-toggle.playing::before {
      opacity: 1;
    }

    @keyframes rotateBorder {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    .music-icon {
      font-size: 1.25rem;
      color: var(--primary-text);
      transition: var(--transition-smooth);
    }

    .music-toggle.playing .music-icon {
      color: var(--accent-color);
    }

    .pause-icon { display: none; }
    .music-toggle.playing .play-icon { display: none; }
    .music-toggle.playing .pause-icon { display: inline-block; }

    .music-toggle.playing {
      animation: musicPulse 2s ease-in-out infinite;
    }

    @keyframes musicPulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(96, 165, 250, 0.4); }
      50% { box-shadow: 0 0 0 10px rgba(96, 165, 250, 0); }
    }

    .datetime-widget {
      position: fixed;
      top: 1.5rem;
      right: 1.5rem;
      z-index: 1000;
      transform-origin: top right;
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
      pointer-events: none;
    }

    .datetime-widget.scrolled {
      transform: rotate(270deg);
      margin-right: 40px;
      pointer-events: auto;
    }

    .datetime-display {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      padding: 0.45rem 0.85rem;
      backdrop-filter: blur(10px);
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--primary-text);
      white-space: nowrap;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                  border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }

    .datetime-widget.scrolled:hover .datetime-display {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(96, 165, 250, 0.3);
    }

    .datetime-content {
      position: relative;
      display: block;
      min-width: 200px;
      height: 20px;
      overflow: hidden;
    }

    .time-text,
    .working-hours-text {
      display: block;
      position: absolute;
      inset: 0;
      text-align: center;
      line-height: 20px;
      transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                  transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .time-text {
      opacity: 1;
      transform: translateY(0);
    }

    .working-hours-text {
      opacity: 0;
      transform: translateY(100%);
    }

    .datetime-widget.scrolled:hover .time-text {
      opacity: 0;
      transform: translateY(-100%);
    }

    .datetime-widget.scrolled:hover .working-hours-text {
      opacity: 1;
      transform: translateY(0);
    }

    .floating-icons {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .floating-icon {
      position: absolute;
      font-size: 2.5rem;
      color: var(--accent-color);
      animation: float 20s infinite ease-in-out;
      filter: blur(0.5px);
    }

    @keyframes float {
      0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
      25% { transform: translate3d(100px, -100px, 0) rotate(90deg); }
      50% { transform: translate3d(-50px, -200px, 0) rotate(180deg); }
      75% { transform: translate3d(-150px, -100px, 0) rotate(270deg); }
    }

    main {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 520px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2rem;
      margin-top: 50px;
    }

    .profile-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
      animation: profileFadeIn 0.8s ease-out 0.2s both;
    }

    .profile-image {
      width: 220px;
      height: 220px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid rgba(255, 255, 255, 0.1);
      box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05);
      transition: var(--transition-smooth);
    }

    .profile-image:hover {
      transform: scale(1.05);
      border-color: rgba(96, 165, 250, 0.3);
      box-shadow:
        0 15px 50px rgba(96, 165, 250, 0.2),
        0 0 0 1px rgba(96, 165, 250, 0.1);
    }

    .availability-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.6rem 1rem;
      background: rgba(16, 185, 129, 0.1);
      border: 1px solid rgba(16, 185, 129, 0.2);
      border-radius: 50px;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--success-color);
      backdrop-filter: blur(10px);
      animation: pillFadeIn 0.6s ease-out;
      min-width: 220px;
      position: relative;
      overflow: hidden;
      height: 36px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success-color);
      animation: rgbPulse 2s ease-in-out infinite;
      box-shadow: 0 0 10px var(--success-color);
      flex-shrink: 0;
    }

    .availability-text-container {
      position: relative;
      height: 15px;
      flex: 1;
      overflow: hidden;
    }

    .availability-text {
      position: absolute;
      width: 100%;
      left: 0;
      line-height: 20px;
      text-align: center;
      transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .availability-text.active {
      opacity: 1;
      transform: translateY(0);
    }

    .availability-text.exit-down {
      opacity: 0;
      transform: translateY(100%);
    }

    .availability-text.enter-top {
      opacity: 0;
      transform: translateY(-100%);
    }

    @keyframes rgbPulse {
      0%, 100% { background: #10b981; box-shadow: 0 0 10px #10b981; }
      33% { background: #3b82f6; box-shadow: 0 0 10px #3b82f6; }
      66% { background: #8b5cf6; box-shadow: 0 0 10px #8b5cf6; }
    }

    @keyframes pillFadeIn {
      from { opacity: 0; transform: translateY(-10px); }
      to { opacity: 1; transform: translateY(0); }
    }

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

    .profile-name {
      font-size: 3.75rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      margin-bottom: 0.5rem;
      background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .profile-title {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--secondary-text);
      letter-spacing: 0.02em;
    }

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

    .section-divider {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 1rem;
      animation: linksFadeIn 1s ease-out 0.4s both;
    }

    .section-divider::before,
    .section-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    }

    .section-title {
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--tertiary-text);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      white-space: nowrap;
      padding: 0 0.5rem;
    }

    .links-section {
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 0.875rem;
      animation: linksFadeIn 1s ease-out 0.4s both;
    }

    @keyframes linksFadeIn {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .link-item {
      display: block;
      text-decoration: none;
      position: relative;
      overflow: hidden;
    }

    .link-button {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 1.5rem;
      background: var(--link-bg);
      border: 1px solid var(--link-border);
      border-radius: 12px;
      font-size: 1rem;
      font-weight: 500;
      color: var(--primary-text);
      transition: var(--transition-smooth);
      backdrop-filter: blur(10px);
      position: relative;
      overflow: hidden;
    }

    .link-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
      transition: left 0.5s ease;
      pointer-events: none;
    }

    .link-item:hover .link-button::before {
      left: 100%;
    }

    .link-item:hover .link-button {
      background: var(--link-hover-bg);
      border-color: rgba(96, 165, 250, 0.3);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .link-icon {
      font-size: 1.25rem;
      width: 1.25rem;
      text-align: center;
      flex-shrink: 0;
      transition: var(--transition-smooth);
    }

    .link-item:hover .link-icon {
      transform: scale(1.1);
      color: var(--accent-color);
    }

    .link-text {
      flex: 1;
      text-align: left;
    }

    footer {
      margin-top: 2rem;
      text-align: center;
      font-size: 0.875rem;
      color: var(--secondary-text);
      animation: footerFadeIn 1.2s ease-out 0.6s both;
    }

    .footer-text {
      opacity: 0.6;
      transition: opacity 0.3s ease;
    }

    footer:hover .footer-text {
      opacity: 1;
    }

    .footer-link {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: 500;
      transition: var(--transition-smooth);
    }

    .footer-link:hover {
      opacity: 0.8;
      text-decoration: underline;
    }

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

    .link-item:focus-visible .link-button,
    .music-toggle:focus-visible {
      outline: 2px solid var(--accent-color);
      outline-offset: 2px;
    }

    @media (max-width: 640px) {
      body { padding: 1.5rem 1rem; }

      main {
        gap: 1.5rem;
        max-width: 100%;
      }

      .profile-name { font-size: 3.25rem; }
      .profile-title { font-size: 0.775rem; }

      .profile-image {
        width: 180px;
        height: 180px;
      }

      .link-button {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
      }

      .links-section { gap: 0.75rem; }
      .section-title { font-size: 0.75rem; }
      .floating-icon { font-size: 2rem; }

      .datetime-widget {
        top: 1rem;
        right: 1rem;
      }

      .datetime-display {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
      }

      .datetime-content {
        min-width: 160px;
      }

      .music-player {
        top: 1rem;
        left: 1rem;
      }

      .music-toggle {
        width: 48px;
        height: 48px;
      }

      .music-icon { font-size: 1.1rem; }

      .availability-pill {
        min-width: 200px;
        font-size: 0.8125rem;
        padding: 0.5rem 0.875rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
    }