html {
        overflow: hidden;
        height: 100%;
        width: 100%;
      }

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

      body {
        font-family: "Arial", sans-serif;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        height: 100vh;
        width: 100vw;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 20px;
        color: white;
        position: relative;
        overflow: hidden;
        box-sizing: border-box;
      }

      .logo {
        position: fixed;
        top: 20px;
        left: 20px;
        width: auto;
        height: auto;
        z-index: 1000;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
        text-decoration: none;
        display: block;
        cursor: pointer;
        padding-left: 5px;
        padding-right: 5px;
      }

      .logo:hover {
        transform: scale(1.1);
      }

      .logo img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 10px;
      }

      .settings-btn {
        position: fixed;
        top: 20px;
        right: 20px;
        background: rgba(255, 255, 255, 0.2);
        border: 2px solid rgba(255, 255, 255, 0.3);
        color: white;
        padding: 15px;
        border-radius: 50%;
        text-decoration: none;
        font-size: 1.5rem;
        transition: all 0.3s ease;
        z-index: 1000;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .settings-btn:hover {
        background: rgba(255, 255, 255, 0.3);
        border-color: rgba(255, 255, 255, 0.5);
        transform: scale(1.1);
      }

      .header {
        text-align: center;
        margin-bottom: 2vh;
        flex-shrink: 0;
      }

      .header h1 {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
        margin-bottom: 0.5vh;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      }

      .header p {
        font-size: clamp(0.8rem, 1.8vw, 1rem);
      }

      .timer-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: clamp(15px, 2vw, 30px);
        width: 100%;
        max-width: 100%;
        flex-grow: 1;
        padding: 0 2vw;
        max-height: 60vh;
      }

      @media (max-width: 768px) {
        .timer-container {
          grid-template-columns: 1fr;
          gap: clamp(15px, 3vw, 30px);
          padding: 0 15px;
        }
      }

      @media (max-width: 480px) {
        .timer-container {
          gap: 20px;
          padding: 0 10px;
        }
      }

      @media (min-width: 1400px) {
        .timer-container {
          max-width: 1400px;
          padding: 0 60px;
        }
      }

      .lane {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 20px;
        padding: clamp(15px, 2.5vh, 25px);
        text-align: center;
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: center;
        height: 100%;
        overflow: hidden;
      }

      .lane h2 {
        font-size: clamp(1.2rem, 2.5vw, 1.8rem);
        margin-bottom: clamp(10px, 1vh, 15px);
        color: #fff;
      }

      .swimmer-name {
        font-size: clamp(1.5rem, 3.5vw, 2.2rem);
        font-weight: bold;
        margin-bottom: clamp(15px, 2vh, 25px);
        padding: clamp(8px, 1.5vh, 12px) clamp(12px, 2vw, 18px);
        background: rgba(255, 255, 255, 0.2);
        border-radius: 15px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        color: #fff;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(5px);
        animation: fadeIn 0.5s ease-in;
        text-align: center;
        word-wrap: break-word;
        line-height: 1.2;
      }

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

      .time-display {
        font-size: clamp(3rem, 9vw, 10rem);
        font-weight: bold;
        margin: clamp(10px, 1vh, 15px) 0;
        font-family: "Courier New", monospace;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        line-height: 1;
      }

      .status {
        font-size: clamp(3rem, 1.8vw, 1.2rem);
        margin: clamp(8px, 1vh, 12px) 0;
        padding: clamp(6px, 1vh, 10px) clamp(12px, 2vw, 18px);
        border-radius: 20px;
        display: inline-block;
        font-weight: 600;
      }

      .status.ready {
        background-color: rgba(52, 152, 219, 0.3);
        border: 2px solid #3498db;
      }

      .status.running {
        background-color: rgba(46, 204, 113, 0.3);
        border: 2px solid #2ecc71;
        animation: pulse 1s infinite;
      }

      .status.finished {
        background-color: rgba(231, 76, 60, 0.3);
        border: 2px solid #e74c3c;
      }

      @keyframes pulse {
        0% {
          opacity: 1;
        }
        50% {
          opacity: 0.7;
        }
        100% {
          opacity: 1;
        }
      }

      .best-times {
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: clamp(10px, 1.5vh, 15px);
        margin: 1vh 0 0 0;
        width: 50%;
        max-width: 50%;
        text-align: center;
        border: 1px solid rgba(255, 255, 255, 0.2);
        flex-shrink: 0;
        align-self: center;
      }

      .best-times h3 {
        font-size: clamp(0.9rem, 1.8vw, 1.1rem);
        margin-bottom: clamp(5px, 0.5vh, 8px);
      }

      .best-time-row {
        display: flex;
        justify-content: space-between;
        margin: clamp(3px, 0.5vh, 5px) 0;
        font-size: clamp(0.8rem, 1.5vw, 1rem);
        font-weight: 500;
        background: rgba(255, 255, 255, 0.1);
        padding: clamp(5px, 1vh, 8px) clamp(8px, 1.5vw, 12px);
        border-radius: 8px;
      }

      .learning-mode {
        background: rgba(255, 193, 7, 0.2);
        border: 2px solid #ffc107;
        border-radius: 15px;
        padding: clamp(15px, 2vh, 20px);
        margin: 2vh 0;
        text-align: center;
        animation: pulse 2s infinite;
        width: 100%;
        position: absolute;
        top: 15vh;
        left: 50%;
        transform: translateX(-50%);
        z-index: 100;
      }

      .learning-mode h3 {
        color: #ffc107;
        margin-bottom: 10px;
        font-size: clamp(1rem, 2vw, 1.3rem);
      }

      .learning-mode p {
        font-size: clamp(0.9rem, 1.8vw, 1.1rem);
      }

      @media (max-width: 768px) {
        .timer-container {
          grid-template-columns: 1fr;
          gap: clamp(10px, 2vh, 15px);
          padding: 0 3vw;
          max-height: 55vh;
        }

        .settings-btn {
          top: 10px;
          right: 10px;
          width: 40px;
          height: 40px;
          font-size: 1rem;
          padding: 8px;
        }

        .header h1 {
          font-size: clamp(1.5rem, 4vw, 2rem);
        }

        .header p {
          font-size: clamp(0.7rem, 2vw, 0.9rem);
        }

        body {
          padding: 10px;
        }

        .swimmer-name {
          font-size: clamp(1.2rem, 4vw, 1.8rem);
          margin-bottom: clamp(10px, 1.5vh, 20px);
        }
      }

      @media (max-width: 480px) {
        .settings-btn {
          top: 8px;
          right: 8px;
          width: 35px;
          height: 35px;
          font-size: 0.9rem;
          padding: 6px;
        }

        body {
          padding: 8px;
        }

        .timer-container {
          padding: 0 2vw;
        }

        .swimmer-name {
          font-size: clamp(1rem, 4vw, 1.5rem);
          padding: clamp(6px, 1vh, 10px) clamp(8px, 1.5vw, 12px);
        }
      }