:root {
    /* Dark theme (default) */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #333;
    --text-primary: #ccc;
    --text-secondary: #888;
    --text-accent: #ff6600;
    --border-color: #333;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --menu-bg: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    --device-bg: #1a1a1a;
    --pad-bg: #2a2a2a;
    --pad-hover: rgba(255, 102, 0, 0.1);
    --pad-active: rgba(255, 102, 0, 0.2);
    --knob-bg: #2a2a2a;
    --display-bg: #111;
    --display-text: #fff;
}

[data-theme="light"] {
    /* Light theme */
    --bg-primary: #f8f9fa;
    --bg-secondary: #e9ecef;
    --bg-tertiary: #dee2e6;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-accent: #ff6600;
    --border-color: #ced4da;
    --shadow-color: rgba(0, 0, 0, 0.15);
    --menu-bg: linear-gradient(180deg, #e9ecef 0%, #f8f9fa 100%);
    --device-bg: #f8f9fa;
    --pad-bg: #e9ecef;
    --pad-hover: rgba(255, 102, 0, 0.15);
    --pad-active: rgba(255, 102, 0, 0.25);
    --knob-bg: #e9ecef;
    --display-bg: #111;
    --display-text: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    font-family: 'Courier New', monospace;
    background: var(--bg-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color 0.3s ease;
}

.page-layout {
    display: flex;
    min-height: 100vh;
}

/* Menu Bar Styles */
.menu-bar {
    width: 250px;
    background: var(--menu-bg);
    border-right: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px var(--shadow-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.menu-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    transition: border-color 0.3s ease;
}

.menu-header h2 {
    color: var(--text-accent);
    font-size: 18px;
    margin: 0 0 5px 0;
    font-weight: bold;
    transition: color 0.3s ease;
}

.menu-header p {
    color: var(--text-secondary);
    font-size: 12px;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.menu-nav {
    flex: 1;
    padding: 20px 0;
}

.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-item {
    margin: 0;
    padding: 0;
}

.menu-btn {
    width: 100%;
    padding: 15px 20px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 3px solid transparent;
}

.menu-btn:hover {
    background: var(--pad-hover);
    color: var(--text-accent);
    border-left-color: var(--text-accent);
}

.menu-btn:active {
    background: var(--pad-active);
}

.menu-btn.active {
    background: var(--pad-active);
    color: var(--text-accent);
    border-left-color: var(--text-accent);
}

.menu-btn.touch-active {
    background: rgba(255, 102, 0, 0.25);
    color: #ff6600;
    transform: scale(0.95);
}

.menu-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.menu-text {
    font-weight: 500;
}

.menu-footer {
    padding: 15px 20px;
    border-top: 1px solid #333;
}

.menu-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #888;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #666;
}

.status-dot.active {
    background: #00ff00;
    box-shadow: 0 0 6px #00ff00;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.device-container {
    perspective: 1000px;
}

/* Pad Matrix */
.pad-matrix {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 8px;
    flex: 1;
    margin: 0 20px;
}

.pad-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    align-items: end;
}

/* Pad Container and Indicators */
.pad-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.pad-indicator {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 2px;
    margin-bottom: 2px;
}

.indicator-light {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #333;
    opacity: 0.3;
    transition: all 0.2s;
}

.indicator-light.active {
    background: #ff6600;
    opacity: 1;
    box-shadow: 0 0 6px #ff6600;
}

.indicator-text {
    font-size: 7px;
    font-weight: bold;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Multiple indicator lights side by side */
.pad-indicator.multiple-lights {
    flex-direction: row;
    gap: 15px;
}

.ep133-device {
    width: 600px;
    height: 850px;
    background: var(--device-bg);
    border-radius: 2px;
    box-shadow:
        0 20px 40px var(--shadow-color),
        inset 0 1px 3px rgba(255, 255, 255, 0.8),
        inset 0 -1px 3px rgba(0, 0, 0, 0.1);
    padding: 0;
    position: relative;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Power Off State - Dim Control Section */
.ep133-device.powered-off .control-section {
    opacity: 0.05;
    pointer-events: none;
}

.ep133-device.powered-off [data-tab="power"] {
    pointer-events: auto;
    opacity: 1;
}

/* Power Off State - Dim Display Section */
.ep133-device.powered-off .main-display {
    opacity: 0.05;
    pointer-events: none;
}

/* Top Section */
.top-section {
    margin-bottom: 0px;
}

.tab-bar {
    display: flex;
    gap: 2px;
    /* border-radius: 8px 8px 0 0; */
    overflow: hidden;
}

.tab {
    width: 8px;
    flex: 1;
    padding: 2px 2px;
    font-size: 8px;
    font-weight: bold;
    text-align: center;
    color: rgb(18, 18, 18);
    background: #dddddd;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 10px;
}

.tab.input {
    background-color: #ff7700;
    color: #ffffff;
}

.tab.sync {
    background-color: #2e2e2e;
    color: #ffffff;
    margin-right: 0;
}

.tab.midi {
    background-color: #2e2e2e;
    color: #ffffff;
    margin-left: 0;
}

.tab.usb {
    background-color: #666666;
    color: #ffffff;
}

/* .tab.active {
    background: #ff6600;
    color: white;
}

.tab:hover {
    background: #666;
}

.tab.active:hover {
    background: #ff7700;
} */

/* Device Header */
.device-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-left: 10px;
    background-color: var(--bg-secondary);
    transition: background-color 0.3s ease;
}

.device-title h1 {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 2px;
    transition: color 0.3s ease;
}

.device-title p {
    font-size: 12px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.japanese {
    color: var(--text-accent);
    transition: color 0.3s ease;
}

.device-subtitle {
    font-size: 11px;
    color: #666;
    font-weight: bold;
    letter-spacing: 1px;
    align-self: flex-end;
    margin-top: auto;
}

.speaker-grille {
    width: 200px;
    height: 200px;
    background: #aaa;
    position: relative;
    background-image:
        radial-gradient(circle at 5px 5px, #555 1px, transparent 1px);
    background-size: 10px 10px;
}

/* Main Display */
.main-display {
    background: var(--display-bg);
    border-radius: 2px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow:
        inset 0 3px 8px rgba(0, 0, 0, 0.5),
        0 1px 3px rgba(255, 255, 255, 0.3);
    height: 180px;
    transition: background-color 0.3s ease;
}

.display-content {
    color: var(--display-text);
    font-family: 'Courier New', monospace;
    transition: color 0.3s ease;
}

.status-indicators {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 12px;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(20, 25px);
    grid-template-rows: repeat(4, 25px);
    gap: 0;
    width: fit-content;
    height: 100px;
    /* 4 rows * 25px */
    margin: 0 auto;
}

.status-icon {
    width: 25px;
    height: 25px;
    background-image: url('Images/EP-133-StatusIcons.png');
    background-repeat: no-repeat;
    background-size: 500px 100px;
    /* 20 columns * 25px = 500px, 4 rows * 25px = 100px */
    border-radius: 1px;
    opacity: 0.1;
    transition: all 0.1s ease;
}

.status-icon.active {
    opacity: 1;
    transform: scale(1.1);
    /* box-shadow: 0 0 6px #00ff88; */
    filter: brightness(1.2);
    transition: all 0.1s ease;
}

/* Status Icon Sprite Positions - 80 icons in 20x4 grid */
/* Row 1 (icons 1-20) */
.status-icon[data-icon="1"] {
    background-position: 0px 0px;
}

.status-icon[data-icon="2"] {
    background-position: -25px 0px;
}

.status-icon[data-icon="3"] {
    background-position: -50px 0px;
}

.status-icon[data-icon="4"] {
    background-position: -75px 0px;
}

.status-icon[data-icon="5"] {
    background-position: -100px 0px;
}

.status-icon[data-icon="6"] {
    background-position: -125px 0px;
}

.status-icon[data-icon="7"] {
    background-position: -150px 0px;
}

.status-icon[data-icon="8"] {
    background-position: -175px 0px;
}

.status-icon[data-icon="9"] {
    background-position: -200px 0px;
}

.status-icon[data-icon="10"] {
    background-position: -225px 0px;
}

.status-icon[data-icon="11"] {
    background-position: -250px 0px;
}

.status-icon[data-icon="12"] {
    background-position: -275px 0px;
}

.status-icon[data-icon="13"] {
    background-position: -300px 0px;
}

.status-icon[data-icon="14"] {
    background-position: -325px 0px;
}

.status-icon[data-icon="15"] {
    background-position: -350px 0px;
}

.status-icon[data-icon="16"] {
    background-position: -375px 0px;
}

.status-icon[data-icon="17"] {
    background-position: -400px 0px;
}

.status-icon[data-icon="18"] {
    background-position: -425px 0px;
}

.status-icon[data-icon="19"] {
    background-position: -450px 0px;
}

.status-icon[data-icon="20"] {
    background-position: -475px 0px;
}

/* Row 2 (icons 21-40) */
.status-icon[data-icon="21"] {
    background-position: 0px -25px;
}

.status-icon[data-icon="22"] {
    background-position: -25px -25px;
}

.status-icon[data-icon="23"] {
    background-position: -50px -25px;
}

.status-icon[data-icon="24"] {
    background-position: -75px -25px;
}

.status-icon[data-icon="25"] {
    background-position: -100px -25px;
}

.status-icon[data-icon="26"] {
    background-position: -125px -25px;
}

.status-icon[data-icon="27"] {
    background-position: -150px -25px;
}

.status-icon[data-icon="28"] {
    background-position: -175px -25px;
}

.status-icon[data-icon="29"] {
    background-position: -200px -25px;
}

.status-icon[data-icon="30"] {
    background-position: -225px -25px;
}

.status-icon[data-icon="31"] {
    background-position: -250px -25px;
}

.status-icon[data-icon="32"] {
    background-position: -275px -25px;
}

.status-icon[data-icon="33"] {
    background-position: -300px -25px;
}

.status-icon[data-icon="34"] {
    background-position: -325px -25px;
}

.status-icon[data-icon="35"] {
    background-position: -350px -25px;
}

.status-icon[data-icon="36"] {
    background-position: -375px -25px;
}

.status-icon[data-icon="37"] {
    background-position: -400px -25px;
}

.status-icon[data-icon="38"] {
    background-position: -425px -25px;
}

.status-icon[data-icon="39"] {
    background-position: -450px -25px;
}

.status-icon[data-icon="40"] {
    background-position: -475px -25px;
}

/* Row 3 (icons 41-60) */
.status-icon[data-icon="41"] {
    background-position: 0px -50px;
}

.status-icon[data-icon="42"] {
    background-position: -25px -50px;
}

.status-icon[data-icon="43"] {
    background-position: -50px -50px;
}

.status-icon[data-icon="44"] {
    background-position: -75px -50px;
}

.status-icon[data-icon="45"] {
    background-position: -100px -50px;
}

.status-icon[data-icon="46"] {
    background-position: -125px -50px;
}

.status-icon[data-icon="47"] {
    background-position: -150px -50px;
}

.status-icon[data-icon="48"] {
    background-position: -175px -50px;
}

.status-icon[data-icon="49"] {
    background-position: -200px -50px;
}

.status-icon[data-icon="50"] {
    background-position: -225px -50px;
}

.status-icon[data-icon="51"] {
    background-position: -250px -50px;
}

.status-icon[data-icon="52"] {
    background-position: -275px -50px;
}

.status-icon[data-icon="53"] {
    background-position: -300px -50px;
}

.status-icon[data-icon="54"] {
    background-position: -325px -50px;
}

.status-icon[data-icon="55"] {
    background-position: -350px -50px;
}

.status-icon[data-icon="56"] {
    background-position: -375px -50px;
}

.status-icon[data-icon="57"] {
    background-position: -400px -50px;
}

.status-icon[data-icon="58"] {
    background-position: -425px -50px;
}

.status-icon[data-icon="59"] {
    background-position: -450px -50px;
}

.status-icon[data-icon="60"] {
    background-position: -475px -50px;
}

/* Row 4 (icons 61-80) */
.status-icon[data-icon="61"] {
    background-position: 0px -75px;
}

.status-icon[data-icon="62"] {
    background-position: -25px -75px;
}

.status-icon[data-icon="63"] {
    background-position: -50px -75px;
}

.status-icon[data-icon="64"] {
    background-position: -75px -75px;
}

.status-icon[data-icon="65"] {
    background-position: -100px -75px;
}

.status-icon[data-icon="66"] {
    background-position: -125px -75px;
}

.status-icon[data-icon="67"] {
    background-position: -150px -75px;
}

.status-icon[data-icon="68"] {
    background-position: -175px -75px;
}

.status-icon[data-icon="69"] {
    background-position: -200px -75px;
}

.status-icon[data-icon="70"] {
    background-position: -225px -75px;
}

.status-icon[data-icon="71"] {
    background-position: -250px -75px;
}

.status-icon[data-icon="72"] {
    background-position: -275px -75px;
}

.status-icon[data-icon="73"] {
    background-position: -300px -75px;
}

.status-icon[data-icon="74"] {
    background-position: -325px -75px;
}

.status-icon[data-icon="75"] {
    background-position: -350px -75px;
}

.status-icon[data-icon="76"] {
    background-position: -375px -75px;
}

.status-icon[data-icon="77"] {
    background-position: -400px -75px;
}

.status-icon[data-icon="78"] {
    background-position: -425px -75px;
}

.status-icon[data-icon="79"] {
    background-position: -450px -75px;
}

.status-icon[data-icon="80"] {
    background-position: -475px -75px;
}

/* Responsive background positions for 768px breakpoint (20px icons) */
@media (max-width: 768px) {

    /* Row 1 (icons 1-20) - scaled to 20px */
    .status-icon[data-icon="1"] {
        background-position: 0px 0px;
    }

    .status-icon[data-icon="2"] {
        background-position: -20px 0px;
    }

    .status-icon[data-icon="3"] {
        background-position: -40px 0px;
    }

    .status-icon[data-icon="4"] {
        background-position: -60px 0px;
    }

    .status-icon[data-icon="5"] {
        background-position: -80px 0px;
    }

    .status-icon[data-icon="6"] {
        background-position: -100px 0px;
    }

    .status-icon[data-icon="7"] {
        background-position: -120px 0px;
    }

    .status-icon[data-icon="8"] {
        background-position: -140px 0px;
    }

    .status-icon[data-icon="9"] {
        background-position: -160px 0px;
    }

    .status-icon[data-icon="10"] {
        background-position: -180px 0px;
    }

    .status-icon[data-icon="11"] {
        background-position: -200px 0px;
    }

    .status-icon[data-icon="12"] {
        background-position: -220px 0px;
    }

    .status-icon[data-icon="13"] {
        background-position: -240px 0px;
    }

    .status-icon[data-icon="14"] {
        background-position: -260px 0px;
    }

    .status-icon[data-icon="15"] {
        background-position: -280px 0px;
    }

    .status-icon[data-icon="16"] {
        background-position: -300px 0px;
    }

    .status-icon[data-icon="17"] {
        background-position: -320px 0px;
    }

    .status-icon[data-icon="18"] {
        background-position: -340px 0px;
    }

    .status-icon[data-icon="19"] {
        background-position: -360px 0px;
    }

    .status-icon[data-icon="20"] {
        background-position: -380px 0px;
    }

    /* Row 2 (icons 21-40) - scaled to 20px */
    .status-icon[data-icon="21"] {
        background-position: 0px -20px;
    }

    .status-icon[data-icon="22"] {
        background-position: -20px -20px;
    }

    .status-icon[data-icon="23"] {
        background-position: -40px -20px;
    }

    .status-icon[data-icon="24"] {
        background-position: -60px -20px;
    }

    .status-icon[data-icon="25"] {
        background-position: -80px -20px;
    }

    .status-icon[data-icon="26"] {
        background-position: -100px -20px;
    }

    .status-icon[data-icon="27"] {
        background-position: -120px -20px;
    }

    .status-icon[data-icon="28"] {
        background-position: -140px -20px;
    }

    .status-icon[data-icon="29"] {
        background-position: -160px -20px;
    }

    .status-icon[data-icon="30"] {
        background-position: -180px -20px;
    }

    .status-icon[data-icon="31"] {
        background-position: -200px -20px;
    }

    .status-icon[data-icon="32"] {
        background-position: -220px -20px;
    }

    .status-icon[data-icon="33"] {
        background-position: -240px -20px;
    }

    .status-icon[data-icon="34"] {
        background-position: -260px -20px;
    }

    .status-icon[data-icon="35"] {
        background-position: -280px -20px;
    }

    .status-icon[data-icon="36"] {
        background-position: -300px -20px;
    }

    .status-icon[data-icon="37"] {
        background-position: -320px -20px;
    }

    .status-icon[data-icon="38"] {
        background-position: -340px -20px;
    }

    .status-icon[data-icon="39"] {
        background-position: -360px -20px;
    }

    .status-icon[data-icon="40"] {
        background-position: -380px -20px;
    }

    /* Row 3 (icons 41-60) - scaled to 20px */
    .status-icon[data-icon="41"] {
        background-position: 0px -40px;
    }

    .status-icon[data-icon="42"] {
        background-position: -20px -40px;
    }

    .status-icon[data-icon="43"] {
        background-position: -40px -40px;
    }

    .status-icon[data-icon="44"] {
        background-position: -60px -40px;
    }

    .status-icon[data-icon="45"] {
        background-position: -80px -40px;
    }

    .status-icon[data-icon="46"] {
        background-position: -100px -40px;
    }

    .status-icon[data-icon="47"] {
        background-position: -120px -40px;
    }

    .status-icon[data-icon="48"] {
        background-position: -140px -40px;
    }

    .status-icon[data-icon="49"] {
        background-position: -160px -40px;
    }

    .status-icon[data-icon="50"] {
        background-position: -180px -40px;
    }

    .status-icon[data-icon="51"] {
        background-position: -200px -40px;
    }

    .status-icon[data-icon="52"] {
        background-position: -220px -40px;
    }

    .status-icon[data-icon="53"] {
        background-position: -240px -40px;
    }

    .status-icon[data-icon="54"] {
        background-position: -260px -40px;
    }

    .status-icon[data-icon="55"] {
        background-position: -280px -40px;
    }

    .status-icon[data-icon="56"] {
        background-position: -300px -40px;
    }

    .status-icon[data-icon="57"] {
        background-position: -320px -40px;
    }

    .status-icon[data-icon="58"] {
        background-position: -340px -40px;
    }

    .status-icon[data-icon="59"] {
        background-position: -360px -40px;
    }

    .status-icon[data-icon="60"] {
        background-position: -380px -40px;
    }

    /* Row 4 (icons 61-80) - scaled to 20px */
    .status-icon[data-icon="61"] {
        background-position: 0px -60px;
    }

    .status-icon[data-icon="62"] {
        background-position: -20px -60px;
    }

    .status-icon[data-icon="63"] {
        background-position: -40px -60px;
    }

    .status-icon[data-icon="64"] {
        background-position: -60px -60px;
    }

    .status-icon[data-icon="65"] {
        background-position: -80px -60px;
    }

    .status-icon[data-icon="66"] {
        background-position: -100px -60px;
    }

    .status-icon[data-icon="67"] {
        background-position: -120px -60px;
    }

    .status-icon[data-icon="68"] {
        background-position: -140px -60px;
    }

    .status-icon[data-icon="69"] {
        background-position: -160px -60px;
    }

    .status-icon[data-icon="70"] {
        background-position: -180px -60px;
    }

    .status-icon[data-icon="71"] {
        background-position: -200px -60px;
    }

    .status-icon[data-icon="72"] {
        background-position: -220px -60px;
    }

    .status-icon[data-icon="73"] {
        background-position: -240px -60px;
    }

    .status-icon[data-icon="74"] {
        background-position: -260px -60px;
    }

    .status-icon[data-icon="75"] {
        background-position: -280px -60px;
    }

    .status-icon[data-icon="76"] {
        background-position: -300px -60px;
    }

    .status-icon[data-icon="77"] {
        background-position: -320px -60px;
    }

    .status-icon[data-icon="78"] {
        background-position: -340px -60px;
    }

    .status-icon[data-icon="79"] {
        background-position: -360px -60px;
    }

    .status-icon[data-icon="80"] {
        background-position: -380px -60px;
    }
}

/* Responsive background positions for 480px breakpoint (15px icons) */
@media (max-width: 480px) {

    /* Row 1 (icons 1-20) - scaled to 15px */
    .status-icon[data-icon="1"] {
        background-position: 0px 0px;
    }

    .status-icon[data-icon="2"] {
        background-position: -15px 0px;
    }

    .status-icon[data-icon="3"] {
        background-position: -30px 0px;
    }

    .status-icon[data-icon="4"] {
        background-position: -45px 0px;
    }

    .status-icon[data-icon="5"] {
        background-position: -60px 0px;
    }

    .status-icon[data-icon="6"] {
        background-position: -75px 0px;
    }

    .status-icon[data-icon="7"] {
        background-position: -90px 0px;
    }

    .status-icon[data-icon="8"] {
        background-position: -105px 0px;
    }

    .status-icon[data-icon="9"] {
        background-position: -120px 0px;
    }

    .status-icon[data-icon="10"] {
        background-position: -135px 0px;
    }

    .status-icon[data-icon="11"] {
        background-position: -150px 0px;
    }

    .status-icon[data-icon="12"] {
        background-position: -165px 0px;
    }

    .status-icon[data-icon="13"] {
        background-position: -180px 0px;
    }

    .status-icon[data-icon="14"] {
        background-position: -195px 0px;
    }

    .status-icon[data-icon="15"] {
        background-position: -210px 0px;
    }

    .status-icon[data-icon="16"] {
        background-position: -225px 0px;
    }

    .status-icon[data-icon="17"] {
        background-position: -240px 0px;
    }

    .status-icon[data-icon="18"] {
        background-position: -255px 0px;
    }

    .status-icon[data-icon="19"] {
        background-position: -270px 0px;
    }

    .status-icon[data-icon="20"] {
        background-position: -285px 0px;
    }

    /* Row 2 (icons 21-40) - scaled to 15px */
    .status-icon[data-icon="21"] {
        background-position: 0px -15px;
    }

    .status-icon[data-icon="22"] {
        background-position: -15px -15px;
    }

    .status-icon[data-icon="23"] {
        background-position: -30px -15px;
    }

    .status-icon[data-icon="24"] {
        background-position: -45px -15px;
    }

    .status-icon[data-icon="25"] {
        background-position: -60px -15px;
    }

    .status-icon[data-icon="26"] {
        background-position: -75px -15px;
    }

    .status-icon[data-icon="27"] {
        background-position: -90px -15px;
    }

    .status-icon[data-icon="28"] {
        background-position: -105px -15px;
    }

    .status-icon[data-icon="29"] {
        background-position: -120px -15px;
    }

    .status-icon[data-icon="30"] {
        background-position: -135px -15px;
    }

    .status-icon[data-icon="31"] {
        background-position: -150px -15px;
    }

    .status-icon[data-icon="32"] {
        background-position: -165px -15px;
    }

    .status-icon[data-icon="33"] {
        background-position: -180px -15px;
    }

    .status-icon[data-icon="34"] {
        background-position: -195px -15px;
    }

    .status-icon[data-icon="35"] {
        background-position: -210px -15px;
    }

    .status-icon[data-icon="36"] {
        background-position: -225px -15px;
    }

    .status-icon[data-icon="37"] {
        background-position: -240px -15px;
    }

    .status-icon[data-icon="38"] {
        background-position: -255px -15px;
    }

    .status-icon[data-icon="39"] {
        background-position: -270px -15px;
    }

    .status-icon[data-icon="40"] {
        background-position: -285px -15px;
    }

    /* Row 3 (icons 41-60) - scaled to 15px */
    .status-icon[data-icon="41"] {
        background-position: 0px -30px;
    }

    .status-icon[data-icon="42"] {
        background-position: -15px -30px;
    }

    .status-icon[data-icon="43"] {
        background-position: -30px -30px;
    }

    .status-icon[data-icon="44"] {
        background-position: -45px -30px;
    }

    .status-icon[data-icon="45"] {
        background-position: -60px -30px;
    }

    .status-icon[data-icon="46"] {
        background-position: -75px -30px;
    }

    .status-icon[data-icon="47"] {
        background-position: -90px -30px;
    }

    .status-icon[data-icon="48"] {
        background-position: -105px -30px;
    }

    .status-icon[data-icon="49"] {
        background-position: -120px -30px;
    }

    .status-icon[data-icon="50"] {
        background-position: -135px -30px;
    }

    .status-icon[data-icon="51"] {
        background-position: -150px -30px;
    }

    .status-icon[data-icon="52"] {
        background-position: -165px -30px;
    }

    .status-icon[data-icon="53"] {
        background-position: -180px -30px;
    }

    .status-icon[data-icon="54"] {
        background-position: -195px -30px;
    }

    .status-icon[data-icon="55"] {
        background-position: -210px -30px;
    }

    .status-icon[data-icon="56"] {
        background-position: -225px -30px;
    }

    .status-icon[data-icon="57"] {
        background-position: -240px -30px;
    }

    .status-icon[data-icon="58"] {
        background-position: -255px -30px;
    }

    .status-icon[data-icon="59"] {
        background-position: -270px -30px;
    }

    .status-icon[data-icon="60"] {
        background-position: -285px -30px;
    }

    /* Row 4 (icons 61-80) - scaled to 15px */
    .status-icon[data-icon="61"] {
        background-position: 0px -45px;
    }

    .status-icon[data-icon="62"] {
        background-position: -15px -45px;
    }

    .status-icon[data-icon="63"] {
        background-position: -30px -45px;
    }

    .status-icon[data-icon="64"] {
        background-position: -45px -45px;
    }

    .status-icon[data-icon="65"] {
        background-position: -60px -45px;
    }

    .status-icon[data-icon="66"] {
        background-position: -75px -45px;
    }

    .status-icon[data-icon="67"] {
        background-position: -90px -45px;
    }

    .status-icon[data-icon="68"] {
        background-position: -105px -45px;
    }

    .status-icon[data-icon="69"] {
        background-position: -120px -45px;
    }

    .status-icon[data-icon="70"] {
        background-position: -135px -45px;
    }

    .status-icon[data-icon="71"] {
        background-position: -150px -45px;
    }

    .status-icon[data-icon="72"] {
        background-position: -165px -45px;
    }

    .status-icon[data-icon="73"] {
        background-position: -180px -45px;
    }

    .status-icon[data-icon="74"] {
        background-position: -195px -45px;
    }

    .status-icon[data-icon="75"] {
        background-position: -210px -45px;
    }

    .status-icon[data-icon="76"] {
        background-position: -225px -45px;
    }

    .status-icon[data-icon="77"] {
        background-position: -240px -45px;
    }

    .status-icon[data-icon="78"] {
        background-position: -255px -45px;
    }

    .status-icon[data-icon="79"] {
        background-position: -270px -45px;
    }

    .status-icon[data-icon="80"] {
        background-position: -285px -45px;
    }
}

.status-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
}

.status-light.red.active {
    background: #ff0000;
    box-shadow: 0 0 8px #ff0000;
}

.status-light.blue.active {
    background: #0066ff;
    box-shadow: 0 0 8px #0066ff;
}

.bpm-display {
    font-size: 36px;
    font-weight: bold;
    color: #dfdfdf;
    width: 100px;
}

.pattern-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pattern-number {
    font-size: 24px;
    font-weight: bold;
}

.play-button {
    font-size: 20px;
    color: #00ff00;
}

.play-button.active {
    color: #ffff00;
}

/* Control Section */
.control-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    margin-left: 5px;
    margin-right: 5px;
}

.left-controls,
.right-controls {
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
    height: 100%;
    justify-content: space-between;
}

/* Knobs */
.knob {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    transition: transform 0.1s;
}

.white-knob {
    background: linear-gradient(145deg, #fff, #ddd);
    box-shadow:
        0 3px 6px rgba(0, 0, 0, 0.2),
        inset 0 1px 3px rgba(255, 255, 255, 0.8);
}

.orange-knob {
    background: linear-gradient(145deg, #ff6600, #cc5500);
    box-shadow:
        0 3px 6px rgba(0, 0, 0, 0.2),
        inset 0 1px 3px rgba(255, 255, 255, 0.3);
}

.black-knob {
    background: linear-gradient(145deg, #333, #111);
    box-shadow:
        0 3px 6px rgba(255, 255, 255, 0.753),
        inset 0 1px 3px rgba(166, 165, 165, 0.646);
}

.knob::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 12px;
    background: #747474;
    border-radius: 1px;
}

.knob-label {
    font-size: 9px;
    text-align: center;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.knob:hover {
    transform: scale(1.05);
}

/* Control Buttons */
.mode-buttons {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mode-btn {
    padding: 6px 10px;
    font-size: 9px;
    font-weight: bold;
    border: none;
    border-radius: 3px;
    background: var(--pad-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.1s;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.mode-btn:hover {
    background: var(--pad-hover);
}

.mode-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.mode-btn.active {
    background: linear-gradient(145deg, #ff6600, #cc5500);
    color: white;
}

/* Pad Matrix */
.pad-matrix {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 8px;
    flex: 1;
    margin: 0 20px;
}

.pad-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    align-items: end;
}

.spacer-pad {
    width: 60px;
    height: 60px;
    background: transparent;
    border: none;
    cursor: default;
}


.pad {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 8px;
    font-size: 10px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    background: var(--pad-bg);
    color: var(--text-primary);
    box-shadow:
        0 4px 8px var(--shadow-color),
        inset 0 1px 3px rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    touch-action: manipulation;
}

.half-pad {
    width: 60px;
    height: 30px;
    border: none;
    border-radius: 6px;
    font-size: 7px;
    font-weight: normal;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    background: var(--pad-bg);
    color: var(--text-primary);
    box-shadow:
        0 4px 8px var(--shadow-color),
        inset 0 1px 3px rgba(109, 109, 109, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    margin-bottom: 0;
    touch-action: manipulation;
}

.pad-grouppad {
    background-color: #d2d2d2;
    color: #333;
    text-align: left;
}

.pad-numberpad {
    background-color: #2f2f2f;
    color: #d6d6d6;
    text-align: left;
}

.pad-play {
    background-color: #626262;
    color: #d6d6d6;
    text-align: left;
}


.pad-number {
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 2px;
    text-align: left;
}

.pad-label {
    font-size: 8px;
    font-weight: bold;
    text-transform: uppercase;
}

.pad-sublabel {
    font-size: 7px;
    font-weight: normal;
    opacity: 0.8;
    margin-top: 1px;
}

.special-pad .pad-label {
    font-size: 9px;
    margin-bottom: 1px;
}

.special-pad .pad-sublabel {
    font-size: 7px;
}

.pad:hover {
    transform: translateY(-2px);
    box-shadow:
        0 6px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 3px rgba(255, 255, 255, 0.8);
}

.half-pad:hover {
    transform: translateY(-2px);
    box-shadow:
        0 6px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 3px rgba(255, 255, 255, 0.8);
}


.pad:active {
    transform: translateY(0);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 2px 6px rgba(0, 0, 0, 0.1);
}

.pad.orange {
    background: linear-gradient(145deg, #ff6600, #cc5500);
    color: white;
}

.pad.black {
    background: linear-gradient(145deg, #333, #111);
    color: white;
}

.pad.active {
    background: linear-gradient(145deg, #333, #111);
    color: white;
}

.pad.orange.active {
    background: linear-gradient(145deg, #ff6600, #cc5500);
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Transport Section */
.transport-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(145deg, #e8e8e8, #d0d0d0);
    padding: 15px;
    border-radius: 10px;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

.slider-container {
    height: 120px;
    width: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
}

.slider {
    width: 120px;
    height: 6px;
    background: #333;
    border-radius: 3px;
    outline: none;
    opacity: 0.8;
    transition: opacity 0.2s;
    transform: rotate(-90deg);
    transform-origin: center;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(145deg, #ff6600, #cc5500);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: linear-gradient(145deg, #ff6600, #cc5500);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.transport-buttons {
    display: flex;
    gap: 10px;
}

.transport-btn {
    padding: 10px 15px;
    font-size: 11px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    background: linear-gradient(145deg, #f0f0f0, #ddd);
    color: #333;
    cursor: pointer;
    transition: all 0.1s;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

.transport-btn:hover {
    background: linear-gradient(145deg, #e0e0e0, #ccc);
    transform: translateY(-1px);
}

.transport-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.transport-btn.active {
    background: linear-gradient(145deg, #ff6600, #cc5500);
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .menu-bar {
        width: 200px;
    }

    .menu-header h2 {
        font-size: 16px;
    }

    .menu-btn {
        padding: 12px 15px;
        font-size: 13px;
    }

    .menu-icon {
        font-size: 16px;
        width: 20px;
    }
}

@media (max-width: 768px) {
    .page-layout {
        flex-direction: column;
    }

    .menu-bar {
        width: 100%;
        height: auto;
        max-height: 60px;
        flex-direction: row;
        align-items: center;
        padding: 0 15px;
        border-right: none;
        border-bottom: 2px solid #333;
    }

    .menu-header {
        padding: 10px 15px;
        border-bottom: none;
        border-right: 1px solid #333;
        text-align: left;
        min-width: 150px;
    }

    .menu-header h2 {
        font-size: 14px;
        margin: 0;
    }

    .menu-header p {
        font-size: 10px;
        margin: 0;
    }

    .menu-nav {
        flex: 1;
        padding: 0;
    }

    .menu-list {
        display: flex;
        flex-direction: row;
        gap: 5px;
        padding: 0 10px;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .menu-list::-webkit-scrollbar {
        display: none;
    }

    .menu-item {
        flex-shrink: 0;
    }

    .menu-btn {
        padding: 8px 12px;
        font-size: 11px;
        flex-direction: column;
        gap: 4px;
        border-left: none;
        border-bottom: 3px solid transparent;
        min-width: 60px;
        min-height: 44px;
        text-align: center;
        touch-action: manipulation;
    }

    .menu-btn:hover {
        border-left-color: transparent;
        border-bottom-color: #ff6600;
    }

    .menu-btn.active {
        border-left-color: transparent;
        border-bottom-color: #ff6600;
    }

    .menu-btn.touch-active {
        border-left-color: transparent;
        border-bottom-color: #ff6600;
        transform: scale(0.95);
    }

    .menu-icon {
        font-size: 14px;
        width: auto;
    }

    .menu-text {
        font-size: 9px;
        line-height: 1;
    }

    .menu-footer {
        padding: 10px 15px;
        border-top: none;
        border-left: 1px solid #333;
        min-width: 100px;
    }

    .menu-status {
        font-size: 10px;
    }

    .main-content {
        padding: 10px;
        min-height: calc(100vh - 60px);
    }

    .ep133-device {
        width: 95vw;
        max-width: 500px;
        height: auto;
        transform: none;
    }

    .pad {
        width: 50px;
        height: 50px;
        font-size: 12px;
    }

    .control-section {
        flex-direction: column;
        gap: 20px;
    }

    .pad-matrix {
        margin: 0;
    }

    .status-grid {
        grid-template-columns: repeat(20, 20px);
        grid-template-rows: repeat(4, 20px);
        gap: 0;
        height: 80px;
        /* 4 rows * 20px */
    }

    .status-icon {
        width: 20px;
        height: 20px;
        background-size: 400px 80px;
        /* Scale down proportionally */
        border-radius: 0.5px;
    }
}

@media (max-width: 480px) {
    .menu-bar {
        max-height: 50px;
        padding: 0 10px;
    }

    .menu-header {
        padding: 8px 10px;
        min-width: 120px;
    }

    .menu-header h2 {
        font-size: 12px;
    }

    .menu-header p {
        font-size: 8px;
    }

    .menu-btn {
        padding: 6px 8px;
        font-size: 10px;
        min-width: 50px;
    }

    .menu-icon {
        font-size: 12px;
    }

    .menu-text {
        font-size: 8px;
    }

    .menu-footer {
        padding: 8px 10px;
        min-width: 80px;
    }

    .menu-status {
        font-size: 8px;
    }

    .main-content {
        padding: 5px;
        min-height: calc(100vh - 50px);
    }

    .ep133-device {
        width: 98vw;
        padding: 10px;
    }

    .pad {
        width: 40px;
        height: 40px;
        font-size: 10px;
    }

    .pad-number {
        font-size: 8px;
    }

    .pad-label {
        font-size: 8px;
    }

    .knob {
        width: 30px;
        height: 30px;
    }

    .knob-label {
        font-size: 8px;
    }

    .mode-btn {
        padding: 4px 8px;
        font-size: 8px;
    }

    .status-grid {
        grid-template-columns: repeat(20, 15px);
        grid-template-rows: repeat(4, 15px);
        gap: 0;
        height: 60px;
        /* 4 rows * 15px */
    }

    .status-icon {
        width: 15px;
        height: 15px;
        background-size: 300px 60px;
        /* Scale down proportionally */
        border-radius: 0;
    }
}

@media (max-width: 360px) {
    .menu-bar {
        max-height: 45px;
    }

    .menu-header {
        min-width: 100px;
    }

    .menu-header h2 {
        font-size: 11px;
    }

    .menu-btn {
        padding: 5px 6px;
        min-width: 45px;
    }

    .menu-icon {
        font-size: 11px;
    }

    .menu-text {
        font-size: 7px;
    }

    .main-content {
        min-height: calc(100vh - 45px);
    }

    .ep133-device {
        width: 99vw;
    }

    .pad {
        width: 35px;
        height: 35px;
    }
}

/* Dialog Styles */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.dialog-overlay.active {
    display: flex;
}

.dialog-content {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px var(--shadow-color);
    animation: dialogSlideIn 0.3s ease-out;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

@keyframes dialogSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px 15px 25px;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.dialog-header h3 {
    color: var(--text-accent);
    font-size: 18px;
    font-weight: bold;
    margin: 0;
    font-family: 'Courier New', monospace;
    transition: color 0.3s ease;
}

.dialog-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.dialog-close:hover {
    background: var(--pad-hover);
    color: var(--text-accent);
}

.dialog-body {
    padding: 25px;
}

.about-logo {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.about-logo h1 {
    color: var(--text-accent);
    font-size: 32px;
    font-weight: bold;
    margin: 0 0 5px 0;
    font-family: 'Courier New', monospace;
    transition: color 0.3s ease;
}

.about-logo .japanese {
    color: var(--text-primary);
    font-size: 14px;
    margin: 0 0 10px 0;
    transition: color 0.3s ease;
}

.about-logo .device-subtitle {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    transition: color 0.3s ease;
}

.about-info p {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 12px 0;
    transition: color 0.3s ease;
}

.about-info strong {
    color: #ff6600;
}

.features-list {
    margin: 25px 0;
}

.features-list h4 {
    color: #ff6600;
    font-size: 16px;
    margin: 0 0 15px 0;
    font-family: 'Courier New', monospace;
}

.features-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    color: #777777;
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
}

.features-list li:last-child {
    border-bottom: none;
}

.about-footer {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #333;
    text-align: center;
}

.about-footer p {
    color: #888;
    font-size: 12px;
    margin: 5px 0;
    font-style: italic;
}

/* Mobile responsive dialog */
@media (max-width: 768px) {
    .dialog-content {
        width: 95%;
        max-height: 85vh;
        margin: 20px;
    }

    .dialog-header {
        padding: 15px 20px 10px 20px;
    }

    .dialog-header h3 {
        font-size: 16px;
    }

    .dialog-body {
        padding: 20px;
    }

    .about-logo h1 {
        font-size: 28px;
    }

    .about-info p {
        font-size: 13px;
    }

    .features-list li {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .dialog-content {
        width: 98%;
        margin: 10px;
    }

    .dialog-header {
        padding: 12px 15px 8px 15px;
    }

    .dialog-body {
        padding: 15px;
    }

    .about-logo h1 {
        font-size: 24px;
    }

    .about-info p {
        font-size: 12px;
    }

    .features-list li {
        font-size: 12px;
    }
}

/* Settings Dialog Styles */
.settings-section {
    margin-bottom: 25px;
}

.settings-section h4 {
    color: var(--text-accent);
    font-size: 16px;
    margin: 0 0 15px 0;
    font-family: 'Courier New', monospace;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 10px 0;
}

.setting-item label {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: bold;
    flex: 1;
    transition: color 0.3s ease;
}

.theme-selector {
    display: flex;
    gap: 10px;
}

.theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--pad-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 80px;
}

.theme-btn:hover {
    border-color: var(--text-accent);
    background: var(--pad-hover);
}

.theme-btn.active {
    border-color: var(--text-accent);
    background: var(--pad-active);
    color: var(--text-accent);
}

.theme-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.theme-label {
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.setting-slider {
    width: 120px;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin: 0 15px;
}

.setting-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-accent);
    cursor: pointer;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.setting-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-accent);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.setting-value {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: bold;
    min-width: 60px;
    text-align: right;
    transition: color 0.3s ease;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    transition: color 0.3s ease;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 12px;
    position: relative;
    background: var(--pad-bg);
    transition: all 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked+.checkmark {
    background: var(--text-accent);
    border-color: var(--text-accent);
}

.checkbox-label input[type="checkbox"]:checked+.checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.settings-footer {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.settings-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Courier New', monospace;
}

.settings-btn.primary {
    background: var(--text-accent);
    color: white;
}

.settings-btn.primary:hover {
    background: #ff7700;
    transform: translateY(-1px);
}

.settings-btn.secondary {
    background: var(--pad-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.settings-btn.secondary:hover {
    background: var(--pad-hover);
    border-color: var(--text-accent);
}

/* Mobile responsive settings */
@media (max-width: 768px) {
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .theme-selector {
        width: 100%;
        justify-content: space-between;
    }

    .theme-btn {
        flex: 1;
    }

    .setting-slider {
        width: 100%;
        margin: 10px 0;
    }

    .settings-footer {
        flex-direction: column;
    }

    .settings-btn {
        width: 100%;
    }
}

/* Connection Status Indicator */
.connection-status {
    position: fixed;
    bottom: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-primary);
    z-index: 1000;
    background: var(--bg-primary);
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #00ff00;
    /* Green when connected */
    box-shadow: 0 0 4px #00ff00;
}

.connection-status.disconnected .connection-dot {
    background-color: #ff0000;
    /* Red when disconnected */
    box-shadow: 0 0 4px #ff0000;
}