[javascript] ❍ Braun Style Inspired Clock

index.html

<div class="inspiration">
  Braun Inspired Glass Clock
</div>

<div class="keyboard-info">
  Press <kbd>H</kbd> to toggle settings panel | Using Berlin timezone
</div>

<svg style="position: absolute; width: 100%; height: 100%; z-index: 0;" width="100%" height="100%" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <pattern id="dottedGrid" width="30" height="30" patternUnits="userSpaceOnUse">
      <circle cx="2" cy="2" r="1" fill="rgba(0,0,0,0.15)" />
    </pattern>
  </defs>
  <rect width="100%" height="100%" fill="url(#dottedGrid)" />
</svg>

<div class="glass-clock-container">
  <div class="glass-effect-wrapper">
    <!-- Outer shadow - explicitly set opacity here -->
    <div class="glass-effect-shadow" style="opacity: var(--outer-shadow-opacity);"></div>
    <div class="glass-clock-face">
      <!-- Base glossy layer - covers the entire clock face -->
      <div class="glass-glossy-overlay" id="glass-glossy-overlay"></div>

      <div class="glass-edge-highlight"></div>
      <div class="glass-edge-shadow"></div>
      <div class="glass-dark-edge"></div>
      <div class="glass-reflection"></div>
      <div class="glass-reflection-overlay" id="glass-reflection-overlay"></div>

      <div class="clock-hour-marks" id="clock-hour-marks"></div>
      <div class="hour-hand clock-hand" id="hour-hand"></div>
      <div class="minute-hand clock-hand" id="minute-hand"></div>

      <!-- New second hand structure -->
      <div class="second-hand-container" id="second-hand-container">
        <div class="second-hand"></div>
        <div class="second-hand-counterweight"></div>
      </div>

      <!-- New second hand shadow structure -->
      <div class="second-hand-shadow" id="second-hand-shadow"></div>

      <div class="clock-center-dot"></div>
      <div class="clock-center-blur"></div>
      <div class="clock-logo">
        <img src="https://upload.wikimedia.org/wikipedia/commons/1/16/Braun_Logo.svg" alt="Braun Logo" width="80" height="30" style="opacity: 0.8;">
      </div>
      <div class="clock-date" id="clock-date"></div>
      <div class="clock-timezone" id="clock-timezone">Berlin</div>
    </div>
  </div>
</div>

<div class="attribution">
  Inspired by <a href="https://codepen.io/Petr-Knoll/pen/QwWLZdx" target="_blank">Petr Knoll</a>
</div>

<div class="tweakpane-container" id="tweakpane-container"></div>

javascript-braun-style-inspired-clock.markdown

[javascript] ❍ Braun Style Inspired Clock

A Pen by Filip Zrnzevic on CodePen.

License.

script.js

// Import Tweakpane as a module
import { Pane } from "https://cdn.jsdelivr.net/npm/tweakpane@4.0.5/dist/tweakpane.min.js";
// Wait for DOM to be fully loaded
document.addEventListener("DOMContentLoaded", function () {
  // Create clock hour marks and numbers
  const hourMarksContainer = document.getElementById("clock-hour-marks");
  // Create hour numbers and minute markers with perfect spacing
  for (let i = 0; i < 60; i++) {
    if (i % 5 === 0) {
      // Hour number (every 5 minutes)
      const hourIndex = i / 5;
      const hourNumber = document.createElement("div");
      hourNumber.className = "clock-number";
      // Calculate position for numbers - perfectly centered around the clock
      const angle = (i * 6 * Math.PI) / 180;
      const radius = 145; // Distance from center
      const left = 175 + Math.sin(angle) * radius - 15;
      const top = 175 - Math.cos(angle) * radius - 10;
      hourNumber.style.left = `${left}px`;
      hourNumber.style.top = `${top}px`;
      hourNumber.textContent = hourIndex === 0 ? "12" : hourIndex.toString();
      hourMarksContainer.appendChild(hourNumber);
    } else {
      // Minute marker (line)
      const minuteMarker = document.createElement("div");
      minuteMarker.className = "minute-marker";
      minuteMarker.style.transform = `rotate(${i * 6}deg)`;
      hourMarksContainer.appendChild(minuteMarker);
    }
  }
  // Set fixed light angles
  document.documentElement.style.setProperty("--primary-light-angle", "-45deg");
  document.documentElement.style.setProperty("--dark-edge-angle", "135deg");
  // Set fixed glossy overlay
  const glossyOverlay = document.getElementById("glass-glossy-overlay");
  if (glossyOverlay) {
    glossyOverlay.style.background = `linear-gradient(135deg, 
      rgba(255, 255, 255, 0.9) 0%, 
      rgba(255, 255, 255, 0.7) 15%, 
      rgba(255, 255, 255, 0.5) 25%,
      rgba(255, 255, 255, 0.3) 50%, 
      rgba(255, 255, 255, 0.2) 75%, 
      rgba(255, 255, 255, 0.1) 100%)`;
    glossyOverlay.style.filter = "blur(10px)";
  }
  // Set fixed reflection overlay
  const reflectionOverlay = document.getElementById("glass-reflection-overlay");
  if (reflectionOverlay) {
    reflectionOverlay.style.transform = "rotate(-15deg)";
    reflectionOverlay.style.filter = "blur(10px)";
  }
  // Initialize Tweakpane
  initTweakpane();
  // Set the initial CSS variables
  document.documentElement.style.setProperty("--inner-shadow-opacity", "0.15");
  document.documentElement.style.setProperty("--reflection-opacity", "0.5");
  document.documentElement.style.setProperty("--glossy-opacity", "0.3");
  // Start the clock animation
  startClock();
  // Add keyboard shortcut to toggle Tweakpane visibility
  document.addEventListener("keydown", function (event) {
    if (event.key === "h" || event.key === "H") {
      const tweakpaneContainer = document.getElementById("tweakpane-container");
      if (tweakpaneContainer) {
        tweakpaneContainer.style.display =
          tweakpaneContainer.style.display === "none" ? "block" : "none";
      }
    }
  });
});
// Variables for the seconds hand
let secondsAngle = 0;
let animationFrameId = null;
let secondsMode = "smooth"; // Default to smooth movement
// Function to start the clock
function startClock() {
  // Get the current time for hour and minute hands
  updateHourAndMinuteHands();
  // Start the seconds hand animation based on the selected mode
  animateSecondHand();
}
// Function to update hour and minute hands based on real time
function updateHourAndMinuteHands() {
  const now = new Date();
  const berlinTime = new Date(
    now.toLocaleString("en-US", {
      timeZone: "Europe/Berlin"
    })
  );
  const hours = berlinTime.getHours() % 12;
  const minutes = berlinTime.getMinutes();
  const hourHand = document.getElementById("hour-hand");
  const minuteHand = document.getElementById("minute-hand");
  if (hourHand && minuteHand) {
    const hoursDegrees = hours * 30 + (minutes / 60) * 30;
    const minutesDegrees = minutes * 6;
    hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
    minuteHand.style.transform = `rotate(${minutesDegrees}deg)`;
  }
  // Update date display with simple month and day format
  const dateDisplay = document.getElementById("clock-date");
  if (dateDisplay) {
    const months = [
      "Jan",
      "Feb",
      "Mar",
      "Apr",
      "May",
      "Jun",
      "Jul",
      "Aug",
      "Sep",
      "Oct",
      "Nov",
      "Dec"
    ];
    const month = months[berlinTime.getMonth()];
    const day = berlinTime.getDate();
    dateDisplay.textContent = `${month} ${day}`;
  }
  // Update timezone display
  const timezoneDisplay = document.getElementById("clock-timezone");
  if (timezoneDisplay) {
    timezoneDisplay.textContent = "Berlin";
  }
  // Update hour and minute hands every minute
  setTimeout(updateHourAndMinuteHands, 60000);
}
// Function to animate the seconds hand based on the selected mode
function animateSecondHand() {
  // Cancel any existing animation
  if (animationFrameId) {
    cancelAnimationFrame(animationFrameId);
    animationFrameId = null;
  }
  const secondHandContainer = document.getElementById("second-hand-container");
  const secondHandShadow = document.getElementById("second-hand-shadow");
  if (!secondHandContainer) return;
  // Different animation modes
  switch (secondsMode) {
    case "tick1": // Tick every second (60 ticks per minute)
      animateTickMode(secondHandContainer, secondHandShadow, 6, 1); // 6 degrees per tick, 1 tick per second
      break;
    case "tick2": // Half-second ticks (120 ticks per minute)
      animateTickMode(secondHandContainer, secondHandShadow, 3, 2); // 3 degrees per tick, 2 ticks per second
      break;
    case "highFreq": // High-frequency sweep (8 ticks per second)
      animateTickMode(secondHandContainer, secondHandShadow, 0.75, 8); // 0.75 degrees per tick, 8 ticks per second
      break;
    case "smooth": // Smooth movement over 60 seconds
    default:
      animateSmoothMode(secondHandContainer, secondHandShadow);
      break;
  }
}
// Function to animate with ticking motion
function animateTickMode(
  secondHandContainer,
  secondHandShadow,
  degreesPerTick,
  ticksPerSecond
) {
  let lastTickTime = 0;
  const intervalMs = 1000 / ticksPerSecond;

  function tick() {
    // Get current time
    const now = new Date();
    const seconds = now.getSeconds();
    const milliseconds = now.getMilliseconds();
    // Calculate the current time in milliseconds within the minute
    const timeInMs = seconds * 1000 + milliseconds;
    // Calculate which tick we should be on
    const tickIndex = Math.floor(timeInMs / intervalMs);
    const currentTickTime = tickIndex * intervalMs;
    // Only update if we've moved to a new tick
    if (currentTickTime !== lastTickTime) {
      lastTickTime = currentTickTime;
      // Calculate the angle based on the tick index
      // For high-frequency ticks, we need to ensure we complete a full rotation in 60 seconds
      const totalTicksInRotation = ticksPerSecond * 60; // Total ticks in a full rotation
      const currentTick = tickIndex % totalTicksInRotation;
      secondsAngle = currentTick * (360 / totalTicksInRotation);
      // Apply the rotation with a snap motion
      secondHandContainer.style.transition = "none";
      secondHandContainer.style.transform = `rotate(${secondsAngle}deg)`;
      if (secondHandShadow) {
        secondHandShadow.style.transition = "none";
        secondHandShadow.style.transform = `rotate(${secondsAngle + 0.5}deg)`;
      }
    }
    // Schedule the next check
    setTimeout(tick, 10); // Check frequently to catch the exact tick moments
  }
  // Start ticking
  tick();
}
// Function to animate with smooth motion
function animateSmoothMode(secondHandContainer, secondHandShadow) {
  function animate() {
    // Get current time with millisecond precision
    const now = new Date();
    const seconds = now.getSeconds();
    const milliseconds = now.getMilliseconds();
    // Calculate the exact angle based on real time
    // Each second is 6 degrees (360/60), and we add the millisecond fraction
    secondsAngle = seconds * 6 + (milliseconds / 1000) * 6;
    // Apply the rotation smoothly
    secondHandContainer.style.transition = "none"; // Changed to none for smoother movement
    secondHandContainer.style.transform = `rotate(${secondsAngle}deg)`;
    if (secondHandShadow) {
      secondHandShadow.style.transition = "none"; // Changed to none for smoother movement
      secondHandShadow.style.transform = `rotate(${secondsAngle + 0.5}deg)`;
    }
    // Request next frame for smooth animation
    animationFrameId = requestAnimationFrame(animate);
  }
  // Start animation
  animate();
}
// Initialize Tweakpane
function initTweakpane() {
  try {
    // Initialize Tweakpane with the imported module
    const pane = new Pane({
      container: document.getElementById("tweakpane-container"),
      title: "Clock Settings"
    });
    // Create folders for organization
    const visibilityFolder = pane.addFolder({
      title: "Visibility"
    });
    const shadowsFolder = pane.addFolder({
      title: "Shadows"
    });
    const colorsFolder = pane.addFolder({
      title: "Colors"
    });
    const effectsFolder = pane.addFolder({
      title: "Effects"
    });
    // Visibility controls
    const params = {
      minuteMarkerOpacity: 1,
      innerShadowOpacity: 0.15,
      reflectionOpacity: 1,
      glossyOpacity: 0.8,
      showNumbers: true,
      hourNumberColor: "rgba(50, 50, 50, 0.9)",
      minuteMarkerColor: "rgba(80, 80, 80, 0.5)",
      handColor: "rgba(50, 50, 50, 0.9)",
      secondHandColor: "rgba(255, 107, 0, 1)",
      shadowLayer1: 0.1,
      shadowLayer2: 0.1,
      shadowLayer3: 0.1,
      secondsMode: "smooth" // Default to smooth
    };
    // Visibility controls
    visibilityFolder
      .addBinding(params, "minuteMarkerOpacity", {
        min: 0,
        max: 1,
        step: 0.1,
        label: "Minute Markers"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--minute-marker-opacity",
          ev.value
        );
      });
    visibilityFolder
      .addBinding(params, "reflectionOpacity", {
        min: 0,
        max: 1,
        step: 0.1,
        label: "Reflection"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--reflection-opacity",
          ev.value
        );
      });
    visibilityFolder
      .addBinding(params, "glossyOpacity", {
        min: 0,
        max: 1,
        step: 0.1,
        label: "Glossy Effect"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--glossy-opacity",
          ev.value
        );
      });
    // Add toggle for numbers
    visibilityFolder
      .addBinding(params, "showNumbers", {
        label: "Show Numbers"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--hour-number-opacity",
          ev.value ? "1" : "0"
        );
      });
    // Shadow controls - separated into inner and outer
    shadowsFolder
      .addBinding(params, "innerShadowOpacity", {
        min: 0,
        max: 1,
        step: 0.1,
        label: "Inner Shadow"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--inner-shadow-opacity",
          ev.value
        );
        // Update inner shadow elements directly
        const innerShadowElements = [
          document.querySelector(".glass-edge-shadow"),
          document.querySelector(".glass-dark-edge")
        ];
        innerShadowElements.forEach((element) => {
          if (element) {
            element.style.opacity = ev.value;
          }
        });
      });
    // Add controls for the box-shadow layers in glass-clock-face
    shadowsFolder
      .addBinding(params, "shadowLayer1", {
        min: 0,
        max: 0.5,
        step: 0.01,
        label: "Shadow Layer 1"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--shadow-layer1-opacity",
          ev.value
        );
      });
    shadowsFolder
      .addBinding(params, "shadowLayer2", {
        min: 0,
        max: 0.5,
        step: 0.01,
        label: "Shadow Layer 2"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--shadow-layer2-opacity",
          ev.value
        );
      });
    shadowsFolder
      .addBinding(params, "shadowLayer3", {
        min: 0,
        max: 0.5,
        step: 0.01,
        label: "Shadow Layer 3"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--shadow-layer3-opacity",
          ev.value
        );
      });
    // Color controls
    colorsFolder
      .addBinding(params, "hourNumberColor", {
        label: "Hour Numbers"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--hour-number-color",
          ev.value
        );
      });
    colorsFolder
      .addBinding(params, "minuteMarkerColor", {
        label: "Minute Markers"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--minute-marker-color",
          ev.value
        );
      });
    colorsFolder
      .addBinding(params, "handColor", {
        label: "Hour/Minute Hands"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty("--hand-color", ev.value);
      });
    colorsFolder
      .addBinding(params, "secondHandColor", {
        label: "Second Hand"
      })
      .on("change", (ev) => {
        document.documentElement.style.setProperty(
          "--second-hand-color",
          ev.value
        );
      });
    // Add seconds mode control with new options
    effectsFolder
      .addBinding(params, "secondsMode", {
        options: {
          "Smooth Movement": "smooth",
          "Tick Every Second": "tick1",
          "Half-Second Ticks": "tick2",
          "High-Frequency Sweep": "highFreq"
        },
        label: "Seconds Mode"
      })
      .on("change", (ev) => {
        secondsMode = ev.value;
        animateSecondHand(); // Restart animation with new mode
      });
    // Effects controls
    const effectsParams = {
      lightAngle: -45,
      darkEdgeAngle: 135
    };
    effectsFolder
      .addBinding(effectsParams, "lightAngle", {
        min: -180,
        max: 180,
        step: 1,
        label: "Light Angle"
      })
      .on("change", (ev) => {
        // Update the CSS variable
        document.documentElement.style.setProperty(
          "--primary-light-angle",
          `${ev.value}deg`
        );
      });
    effectsFolder
      .addBinding(effectsParams, "darkEdgeAngle", {
        min: -180,
        max: 180,
        step: 1,
        label: "Dark Edge Angle"
      })
      .on("change", (ev) => {
        // Update the CSS variable
        document.documentElement.style.setProperty(
          "--dark-edge-angle",
          `${ev.value}deg`
        );
      });
    // Add button to reset all settings
    pane
      .addButton({
        title: "Reset All Settings"
      })
      .on("click", () => {
        // Reset all parameters
        params.minuteMarkerOpacity = 1;
        params.innerShadowOpacity = 0.15;
        params.reflectionOpacity = 0.5;
        params.glossyOpacity = 0.3;
        params.showNumbers = true;
        params.hourNumberColor = "rgba(50, 50, 50, 0.9)";
        params.minuteMarkerColor = "rgba(80, 80, 80, 0.5)";
        params.handColor = "rgba(50, 50, 50, 0.9)";
        params.secondHandColor = "rgba(255, 107, 0, 1)";
        params.shadowLayer1 = 0.1;
        params.shadowLayer2 = 0.1;
        params.shadowLayer3 = 0.1;
        params.secondsMode = "smooth";
        effectsParams.lightAngle = -45;
        effectsParams.darkEdgeAngle = 135;
        // Apply all resets to CSS variables
        document.documentElement.style.setProperty(
          "--minute-marker-opacity",
          "1"
        );
        document.documentElement.style.setProperty(
          "--inner-shadow-opacity",
          "0.15"
        );
        document.documentElement.style.setProperty(
          "--reflection-opacity",
          "0.5"
        );
        document.documentElement.style.setProperty("--glossy-opacity", "0.3");
        document.documentElement.style.setProperty(
          "--hour-number-opacity",
          "1"
        );
        document.documentElement.style.setProperty(
          "--hour-number-color",
          "rgba(50, 50, 50, 0.9)"
        );
        document.documentElement.style.setProperty(
          "--minute-marker-color",
          "rgba(80, 80, 80, 0.5)"
        );
        document.documentElement.style.setProperty(
          "--hand-color",
          "rgba(50, 50, 50, 0.9)"
        );
        document.documentElement.style.setProperty(
          "--second-hand-color",
          "rgba(255, 107, 0, 1)"
        );
        document.documentElement.style.setProperty(
          "--primary-light-angle",
          "-45deg"
        );
        document.documentElement.style.setProperty(
          "--dark-edge-angle",
          "135deg"
        );
        document.documentElement.style.setProperty(
          "--shadow-layer1-opacity",
          "0.1"
        );
        document.documentElement.style.setProperty(
          "--shadow-layer2-opacity",
          "0.1"
        );
        document.documentElement.style.setProperty(
          "--shadow-layer3-opacity",
          "0.1"
        );
        // Update seconds mode
        secondsMode = "smooth";
        animateSecondHand();
        // Update all shadow elements directly
        const innerShadowElements = [
          document.querySelector(".glass-edge-shadow"),
          document.querySelector(".glass-dark-edge")
        ];
        innerShadowElements.forEach((element) => {
          if (element) {
            element.style.opacity = 0.15;
          }
        });
        const outerShadowElement = document.querySelector(
          ".glass-effect-shadow"
        );
        if (outerShadowElement) {
          outerShadowElement.style.opacity = 1;
        }
        // Refresh the pane to show updated values
        pane.refresh();
      });
    console.log("Tweakpane initialized successfully");
  } catch (error) {
    console.error("Error initializing Tweakpane:", error);
  }
}

style.css

/* Custom CSS properties for light angle animations */
@property --primary-light-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: -75deg;
}

@property --dark-edge-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 105deg;
}

:root {
  --minute-marker-opacity: 1;
  --inner-shadow-opacity: 1;
  --outer-shadow-opacity: 1;
  --reflection-opacity: 0.5;
  --glossy-opacity: 0.3;
  --hour-number-opacity: 1;
  --hour-number-color: rgba(50, 50, 50, 0.9);
  --minute-marker-color: rgba(80, 80, 80, 0.5);
  --hand-color: rgba(50, 50, 50, 0.9);
  --second-hand-color: rgba(255, 107, 0, 1);
  --shadow-layer1-opacity: 0.1;
  --shadow-layer2-opacity: 0.1;
  --shadow-layer3-opacity: 0.1;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: rgba(215, 215, 215, 1);
  font-family: "Inter", -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

.inspiration {
  position: fixed;
  top: 20px;
  text-align: center;
  font-size: 14px;
  color: rgba(50, 50, 50, 0.8);
  z-index: 100;
}

.inspiration a {
  color: rgba(50, 50, 50, 0.9);
  text-decoration: none;
  transition: color 0.3s ease;
}

.inspiration a:hover {
  color: rgba(0, 0, 0, 0.9);
  text-decoration: underline;
}

.glass-clock-container {
  position: relative;
  width: 350px;
  height: 350px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
  margin-top: 20px;
}

/* Glass effect wrapper */
.glass-effect-wrapper {
  position: relative;
  z-index: 2;
  border-radius: 50%;
  background: transparent;
  pointer-events: none;
  transition: all 400ms cubic-bezier(0.25, 1, 0.5, 1);
  perspective: 1000px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform;
}

/* Shadow container - OUTER SHADOW */
.glass-effect-shadow {
  --shadow-offset: 3em;
  position: absolute;
  width: calc(100% + var(--shadow-offset));
  height: calc(100% + var(--shadow-offset));
  top: calc(0% - var(--shadow-offset) / 2);
  left: calc(0% - var(--shadow-offset) / 2);
  filter: blur(10px);
  -webkit-filter: blur(10px);
  pointer-events: none;
  z-index: 1;
  transition: all 400ms cubic-bezier(0.25, 1, 0.5, 1);
  opacity: 1;
}

/* Shadow effect - softened with multiple layers */
.glass-effect-shadow::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
  width: calc(100% - var(--shadow-offset) - 0.25em);
  height: calc(100% - var(--shadow-offset) - 0.25em);
  top: calc(var(--shadow-offset) - 0.5em);
  left: calc(var(--shadow-offset) - 0.875em);
  padding: 0.125em;
  box-sizing: border-box;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  overflow: visible;
  opacity: 0.8;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), 0 15px 25px rgba(0, 0, 0, 0.05),
    0 20px 40px rgba(0, 0, 0, 0.05);
}

.glass-clock-face {
  --border-width: clamp(2px, 0.0625em, 4px);
  position: relative;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  background-image: linear-gradient(
    -75deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.01)
  );
  /* Blur effect moved directly to the clock face */
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  box-shadow: inset 0 0.4em 0.4em rgba(0, 0, 0, 0.1),
    inset 0 -0.4em 0.4em rgba(255, 255, 255, 0.5),
    10px 5px 10px rgba(0, 0, 0, var(--shadow-layer1-opacity)),
    10px 20px 20px rgba(0, 0, 0, var(--shadow-layer2-opacity)),
    10px 55px 50px rgba(0, 0, 0, var(--shadow-layer3-opacity));
  z-index: 3;
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  transition: all 400ms cubic-bezier(0.25, 1, 0.5, 1);
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, box-shadow;
}

/* Enhanced clock border effect with improved glossy edges based on the provided CSS */
.glass-clock-face::after {
  content: "";
  position: absolute;
  z-index: 10;
  inset: 0;
  border-radius: 50%;
  width: calc(100% + var(--border-width));
  height: calc(100% + var(--border-width));
  top: calc(0% - var(--border-width) / 2);
  left: calc(0% - var(--border-width) / 2);
  padding: var(--border-width);
  box-sizing: border-box;
  background: conic-gradient(
      from var(--primary-light-angle) at 50% 50%,
      rgba(255, 255, 255, 1),
      rgba(255, 255, 255, 0.2) 5% 40%,
      rgba(255, 255, 255, 1) 50%,
      rgba(255, 255, 255, 0.2) 60% 95%,
      rgba(255, 255, 255, 1)
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.5));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  box-shadow: inset 0 0 0 calc(var(--border-width) / 2) rgba(255, 255, 255, 0.9),
    0 0 12px rgba(255, 255, 255, 0.8);
  transition: all 400ms cubic-bezier(0.25, 1, 0.5, 1),
    --primary-light-angle 500ms ease;
  opacity: 0.9;
  will-change: background, box-shadow;
}

/* Edge highlight ring */
.glass-edge-highlight {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  top: 0;
  left: 0;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  z-index: 8;
  pointer-events: none;
  opacity: 0.6;
}

/* Enhanced edge highlight ring with increased glossiness */
.glass-edge-highlight-outer {
  position: absolute;
  width: 356px;
  height: 356px;
  border-radius: 50%;
  top: -3px;
  left: -3px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  z-index: 7;
  pointer-events: none;
  opacity: 0.6;
}

/* Dark edge shadow for bottom-right contrast - INNER SHADOW */
.glass-edge-shadow {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  top: 0;
  left: 0;
  box-shadow: inset -5px 5px 15px rgba(0, 0, 0, 0.3),
    inset -8px 8px 20px rgba(0, 0, 0, 0.2);
  z-index: 7;
  pointer-events: none;
  opacity: var(--inner-shadow-opacity);
}

/* Dark edge effect for enhanced glossiness - INNER SHADOW */
.glass-dark-edge {
  position: absolute;
  z-index: 9;
  inset: 0;
  border-radius: 50%;
  width: calc(100% + var(--border-width));
  height: calc(100% + var(--border-width));
  top: calc(0% - var(--border-width) / 2);
  left: calc(0% - var(--border-width) / 2);
  padding: var(--border-width);
  box-sizing: border-box;
  background: conic-gradient(
    from var(--dark-edge-angle) at 50% 50%,
    rgba(0, 0, 0, 0.5),
    rgba(0, 0, 0, 0) 5% 40%,
    rgba(0, 0, 0, 0.5) 50%,
    rgba(0, 0, 0, 0) 60% 95%,
    rgba(0, 0, 0, 0.5)
  );
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  transition: all 400ms cubic-bezier(0.25, 1, 0.5, 1),
    --dark-edge-angle 500ms ease;
  box-shadow: inset 0 0 0 calc(var(--border-width) / 2) rgba(0, 0, 0, 0.2);
  opacity: var(--inner-shadow-opacity);
  will-change: background;
}

/* Prominent glossy overlay - covers the entire clock face */
.glass-glossy-overlay {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  top: 0;
  left: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.7) 15%,
    rgba(255, 255, 255, 0.5) 25%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    rgba(255, 255, 255, 0.1) 100%
  );
  pointer-events: none;
  z-index: 6;
  /* Below the clock elements but above the base */
  mix-blend-mode: overlay;
  opacity: var(--glossy-opacity);
  filter: blur(10px);
}

/* Glass reflection overlay - new element */
.glass-reflection-overlay {
  position: absolute;
  width: 330px;
  height: 330px;
  border-radius: 50%;
  top: 10px;
  left: 10px;
  background: radial-gradient(
    ellipse at 30% 30%,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.3) 30%,
    rgba(255, 255, 255, 0.1) 60%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 15;
  mix-blend-mode: overlay;
  opacity: 0.7;
  transform: rotate(-15deg);
  filter: blur(10px);
}

/* Light reflection effect with enhanced glossiness */
.glass-reflection {
  position: absolute;
  width: 350px;
  height: 175px;
  top: 0;
  left: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.7) 0%,
    rgba(255, 255, 255, 0.4) 40%,
    rgba(255, 255, 255, 0) 100%
  );
  border-radius: 175px 175px 0 0;
  pointer-events: none;
  z-index: 10;
  mix-blend-mode: soft-light;
  opacity: var(--reflection-opacity);
  filter: blur(10px);
}

/* Hover effects - only for shadow */
.glass-effect-wrapper:hover .glass-effect-shadow {
  /* Remove the dramatic shadow size change on hover */
  opacity: 0.9;
}

.glass-effect-wrapper:hover .glass-effect-shadow::after {
  opacity: 0.85;
}

/* Remove the hover effect for the glass reflection overlay */
.glass-effect-wrapper:hover .glass-reflection-overlay {
  opacity: 0.8;
}

/* Modified to use scale3d for sharper scaling */
.glass-effect-wrapper:active {
  transform: scale3d(0.97, 0.97, 1);
}

.glass-effect-wrapper:active .glass-clock-face {
  box-shadow: inset 0 0.4em 0.4em rgba(0, 0, 0, 0.1),
    inset 0 -0.4em 0.4em rgba(255, 255, 255, 0.4), 0 5px 20px rgba(0, 0, 0, 0.1),
    0 10px 30px rgba(0, 0, 0, 0.1), 0 15px 40px rgba(0, 0, 0, 0.1);
}

.glass-effect-wrapper:active .glass-clock-face::after {
  --primary-light-angle: -75deg;
}

.glass-effect-wrapper:active .glass-effect-shadow {
  filter: blur(clamp(25px, 1.25em, 50px));
  -webkit-filter: blur(clamp(25px, 1.25em, 50px));
  width: calc(115% + var(--shadow-offset));
  height: calc(115% + var(--shadow-offset));
}

.glass-effect-wrapper:active .glass-effect-shadow::after {
  opacity: 0.9;
  top: calc(var(--shadow-offset) - 0.7em);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
}

/* Inner blur circle */
.clock-center-blur {
  position: absolute;
  width: 36px;
  height: 36px;
  top: 157px;
  left: 157px;
  background-color: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 16;
  pointer-events: none;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.4),
    inset 0 0 8px rgba(255, 255, 255, 0.6);
}

.clock-hour-marks {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 14;
}

/* Minute marker as lines */
.minute-marker {
  position: absolute;
  width: 1px;
  height: 10px;
  background-color: var(--minute-marker-color);
  top: 10px;
  /* Moved closer to edge */
  left: 175px;
  transform-origin: center 165px;
  /* Adjusted for edge position */
  box-shadow: 0 0 2px rgba(255, 255, 255, 0.3);
  opacity: var(--minute-marker-opacity);
}

.clock-number {
  position: absolute;
  font-size: 16px;
  font-weight: 500;
  color: var(--hour-number-color);
  text-align: center;
  width: 30px;
  height: 20px;
  line-height: 20px;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.5);
  z-index: 15;
  opacity: var(--hour-number-opacity);
  transition: opacity 0.3s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
}

.clock-logo {
  position: absolute;
  width: 100%;
  height: 20px;
  top: 110px;
  left: 135px;
  z-index: 15;
  opacity: 0.9;
}

.clock-logo img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.clock-date {
  position: absolute;
  font-size: 12px;
  font-weight: 400;
  color: rgba(50, 50, 50, 0.8);
  text-align: center;
  width: 140px;
  height: auto;
  line-height: 1;
  bottom: 115px;
  left: 105px;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.3);
  z-index: 15;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
}

.clock-timezone {
  position: absolute;
  font-size: 12px;
  font-weight: 400;
  color: rgba(50, 50, 50, 0.8);
  text-align: center;
  width: 140px;
  height: auto;
  line-height: 1;
  bottom: 100px;
  left: 105px;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.3);
  z-index: 15;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
}

.clock-hand {
  position: absolute;
  transform-origin: center bottom;
  bottom: 175px;
  left: 175px;
  z-index: 15;
  will-change: transform;
}

.hour-hand {
  width: 6px;
  height: 70px;
  background-color: var(--hand-color);
  margin-left: -3px;
  border-radius: 3px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.minute-hand {
  width: 4px;
  height: 100px;
  background-color: var(--hand-color);
  margin-left: -2px;
  border-radius: 2px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* Clock center dot */
.clock-center-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--second-hand-color);
  border-radius: 50%;
  top: 169px;
  left: 169px;
  z-index: 17;
  box-shadow: 0 0 8px rgba(255, 107, 0, 0.4);
}

/* Second hand container */
.second-hand-container {
  position: absolute;
  width: 2px;
  height: 120px;
  top: 55px;
  /* Position it to extend from the center upward */
  left: 174px;
  /* Center it horizontally (175px - 1px for width/2) */
  transform-origin: 1px 120px;
  /* Set rotation origin to the bottom of the hand */
  z-index: 17;
  will-change: transform;
}

/* Second hand */
.second-hand {
  position: absolute;
  width: 2px;
  height: 120px;
  background-color: var(--second-hand-color);
  bottom: 0;
  left: 0;
  box-shadow: 0 0 5px rgba(255, 107, 0, 0.5);
}

/* Second hand counterweight */
.second-hand-counterweight {
  position: absolute;
  width: 6px;
  height: 14px;
  background-color: var(--second-hand-color);
  bottom: -14px;
  /* Position it below the rotation point */
  left: -2px;
  border-radius: 0 0 4px 4px;
  /* Rounded at the bottom */
  box-shadow: 0 0 5px rgba(255, 107, 0, 0.5);
}

/* Second hand shadow */
.second-hand-shadow {
  position: absolute;
  width: 2px;
  height: 120px;
  top: 55px;
  /* Match container position */
  left: 174px;
  /* Match container position */
  transform-origin: 1px 120px;
  /* Match container transform origin */
  z-index: 14;
  filter: blur(2px);
  opacity: 0.3;
  will-change: transform;
}

/* Second hand shadow line */
.second-hand-shadow::before {
  content: "";
  position: absolute;
  width: 2px;
  height: 120px;
  background: transparent;
  bottom: 0;
  left: 0;
  box-shadow: 0 0 5px 1px rgba(0, 0, 0, 0.15);
}

/* Second hand shadow counterweight */
.second-hand-shadow::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 16px;
  background: transparent;
  bottom: -16px;
  /* Match counterweight position */
  left: -3px;
  box-shadow: 0 0 5px 1px rgba(0, 0, 0, 0.15);
}

.attribution {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(50, 50, 50, 0.7);
  text-align: center;
  z-index: 100;
}

.attribution a {
  color: rgba(50, 50, 50, 0.9);
  text-decoration: none;
  transition: color 0.3s ease;
}

.attribution a:hover {
  color: rgba(0, 0, 0, 0.9);
}

.keyboard-info {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(50, 50, 50, 0.7);
  text-align: center;
  z-index: 100;
}

.keyboard-info kbd {
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: monospace;
}

.tweakpane-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 5px;
  padding: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  min-width: 250px;
  display: none;
  /* Hidden by default */
}