/* === Variables & Basic Styles === */
:root {
    --headerFont: "loos-wide", sans-serif;
    --bodyFont: "loos-normal", sans-serif;

    --red: #FF335F;
    --blue: #3F5AD5;
    --green: #E2F128;
    --black: #000;
    --logo-color: #FFFFFF;

    --superbigFontSize: 4.2rem;
    --bigFontSize: 2.5rem;
    --mediumFontSize: 2rem;
    --smallFontSize: 1rem;
    --supersmallFontSize: 0.8rem;


    --primary: #3F5AD5;    /* Blue (Deck B) */
    --secondary: #FF335F; /* Pink (Deck A) */
    --third: #E2F128;     /* Yellow (Accents, Effects, Borders) */
    --heading: "loos-wide", sans-serif; /* Main Titles */
    --body: "area-normal", sans-serif;
    --orbitron: 'Orbitron', sans-serif; /* For digital displays like time, BPM */
    --header-height: 30px;
    --header-bg: #0D0A1A;
    --center-bg: #3F5AD5;
    --logo-color: #FFFFFF;
    --tagline-color: #E2F128;
    --icon-color: #FF335F;
    --rec-dot-color: #FF335F;
    --dark-bg: #05081a;
    --deck-bg: rgba(10, 10, 20, 0.7);
    --center-col-bg: rgba(10, 10, 20, 0.75);
    --text-light: #dde;
    --text-dark: #111;
    --effect-item-bg: #333; /* Màu nền item effect */
    --effect-item-border: #666; /* Màu viền item effect */
    --effect-item-selected-bg: var(--secondary); /* Nền item effect khi chọn */
    --effect-item-selected-border: var(--primary); /* Viền item effect khi chọn */
    --effect-item-selected-color: #000; /* Màu chữ item effect khi chọn */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--bodyFont);
}

html {
    height: 100vh;
    overflow: hidden;
    font-weight: 600;
    background-color: var(--dark-bg); /* Dark background for the whole page */
}

body {
    padding: 0;
    font-family: var(--body);
    font-weight: 200;
    height: 100vh;
    background-color: var(--dark-bg);
    overflow: hidden;

    display: flex;
    flex-direction: column;
    margin: 0;
    color: var(--text-light);
}

/* === Header (Keep as is) === */
.app-header {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, #0B072D, #101010);;
    height: var(--header-height);
    padding: 0 25px;
    color: var(--logo-color);
    flex-shrink: 0;
    z-index: 100; /* Header always on top */
    margin-bottom: 0;
    border-bottom: 1px solid rgba(63, 90, 213, 0.5); /* Subtle separator */
}

.header-left { display: flex; align-items: center; gap: 10px; font-size: 0.5rem;}
.logo { font-family: var(--headerFont); font-size: 20px; font-weight: 900; color: var(--logo-color); letter-spacing: -1px;   text-decoration: none;}
.tagline { font-size: var(--smallFontSize); color: var(--tagline-color); }

.header-center {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    height: 30px; /* Slightly lower dip */
    display: flex;
    align-items: flex-start;
    z-index: 1;
    overflow: visible; /* Allow shadow */
}

.center-bg {
    background: linear-gradient(to bottom, #40349C, #161236);
    height: 30px; 
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 35px; /* Increased gap */
    padding: 0 45px; /* Increased padding */
    border-bottom-left-radius: 50px; /* Smoother curve */
    border-bottom-right-radius: 50px;
}


.header-right { display: flex; align-items: center; gap: 25px; }
.nav-link { color: var(--tagline-color); text-decoration: none; font-size: var(--smallFontSize); text-transform: uppercase; transition: color 0.2s ease, opacity 0.2s ease; }
.nav-link:hover { color: #ffffff; opacity: 0.9; }
/* Add Hamburger menu icon style if needed */
.header-right .menu-icon { /* Assuming you add an element with this class */
    color: var(--tagline-color);
    font-size: 20px;
    cursor: pointer;
}
.header-right .menu-icon:hover { color: #fff; }


.icon { display: flex; align-items: center; color: var(--icon-color); font-size: 16px; font-weight: 600; gap: 6px; cursor: pointer; transition: color 0.2s ease, transform 0.2s ease; }
.icon:hover { color: #ffffff; transform: scale(1.1); }
.rec-icon i { font-size: 10px; color: var(--rec-dot-color); animation: pulse-rec 2s infinite; }
.eq-icon i { font-size: 18px; }
.camera-icon i { font-size: 18px; }

@keyframes pulse-rec {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}



/* === Waveform Display (Keep as is from previous version) === */
.container {
    z-index: 10;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
}

#deck-a-waveform-container, #deck-b-waveform-container {
    z-index: 999;
    position: relative;
    width: 100%;
    height: 40px; /* Keep height from previous code */
    background-color: #131313; /* Black background for waveforms */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: 0;
    padding: 10px 20px; 
    flex-shrink: 0;
    border: none; /* Remove previous border */
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5); /* Inner shadow for depth */
}
/* 
#waveform {
    background: linear-gradient(to bottom,  #FF335F, #000000);
    width: 100%; 
    height: 35px;
    padding-left: 20px;
    padding-right: 20px;
} 

#waveform-b {
    background: linear-gradient(to bottom,#3F5AD5, #000000);
    width: 100%;
    height: 35px;
    padding-left: 20px;
    padding-right: 20px;
}
#waveform:empty::before { content: ""; 
    background: linear-gradient(to bottom, #FF335F, #000000);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
}

#waveform-b:empty::before {
    content: "";
    background: linear-gradient(to bottom,#3F5AD5, #000000);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
} */

#waveform, #waveform-b {
    width: 100%;
    height: 28px;
}

.under-waveform{
    background-color: #000000; /* Black background */
    width: 100%; /* Full width */
    height: 90px; /* Ensure enough height */
    display: flex; /* Sử dụng flexbox để căn giữa */
    justify-content: space-between; /* Center horizontally */
    align-items: center; /* Center vertically */
    gap: 15px;
    padding: 0 15px ;
    z-index: 10; /* Đảm bảo nằm trên webcam */
    font-size: var(--supersmallFontSize);
}


/* BG VISUAL */
.under-waveform-left, .under-waveform-right{
    flex: 1;
    display: flex;
    width: 100%;
    height: 60%;
}

.crossfader-container {
    flex: 0 0 30%;

    display: flex;
    flex-direction: column; /* Sắp xếp input và span theo cột */
    align-items: center; /* Căn giữa theo chiều ngang */
    justify-content: center; /* Căn giữa theo chiều dọc */
    margin-top: 10px; /* Khoảng cách với element trên */
    max-width: 100%; /* Đảm bảo không tràn container */
    /* width: 30%;  */
}

.crossfader-container input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%; /* Chiếm toàn bộ width của container */
    height: 10px;
    background: linear-gradient(to right, var(--secondary), var(--primary)); /* Gradient 3 màu */
    outline: none;
    transition: background 0.2s;
}

.crossfader-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 30px;
    height: 20px;
    background: var(--green);
    cursor: pointer;
    border-radius: 10%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
    transition: box-shadow 0.2s ease;
}
 .crossfader-container input[type="range"]::-webkit-slider-thumb:hover {
     box-shadow: 0 1px 5px rgba(0,0,0,0.6);
 }

.crossfader-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid #333;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
    transition: box-shadow 0.2s ease;
}
 .crossfader-container input[type="range"]::-moz-range-thumb:hover {
    box-shadow: 0 1px 5px rgba(0,0,0,0.4);
}

.crossfader-container span {
    margin-top: 8px; /* Khoảng cách với thanh trượt */
    color: var(--text-light);
    font-size: var(--supersmallFontSize);
    font-family: var(--bodyFont); /* Font digital */
}

/* BG button */
.background-selector {
    /* position: absolute;
    top: 10px;
    left: 10px; */
    /* z-index: 10; */
}

/* Under waveform buttons Styling */
.background-selector button, .visual-selector button , .visualizer-mode, .live-mode, .gesture-customization {
    /* font-size: var(--supersmallFontSize); */
    font-family: var(--bodyFont);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: black; /* Default background */
    border: solid 1px var(--green);
    border-radius: 0;
    color: var(--green); /* Ensure text is visible */
    padding: 10px 20px; /* Add padding for better appearance */
    position: relative; /* For layering */
}

.visualizer-mode {
    background-color: var(--green);
    color: black;
    font-weight: 600;
    cursor:default;
}

.background-selector, .visual-selector {
    height: 100%;
    width: 100%;
}

.background-selector button , .visual-selector button {
    background-size: cover; /* Ensure the background image covers the button */
    background-position: center; /* Center the background image */
    background-repeat: no-repeat; /* Prevent tiling */
}

.background-selector button::before , .visual-selector button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3); /* Semi-transparent overlay to ensure text readability */
    z-index: 1; /* Below the text */
}

.background-selector button span , .visual-selector button span {
    position: relative; /* Ensure text is above the overlay */
    z-index: 2; /* Above the overlay */
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.8); /* Add shadow for better contrast */
}

.background-selector button:hover , .visual-selector button:hover ,  .live-mode:hover , .gesture-customization:hover {
    background-color: rgb(61, 61, 61); /* Hover effect */

}


.background-dropdown , .visual-dropdown {

    position: absolute;
    background-color: #191919;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0; 
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.background-dropdown.show , .visual-dropdown.show {
    max-height: 400px;
    padding: 10px 0;
}

.background-option , .visual-option {
    padding: 0 10px;
    cursor: pointer;
}

.bg-image {
    width: 100%;
    height: 30px;
    object-fit: cover;
    border: 1px solid #5c5c5c;
    display: flex;
    justify-content: center;
    align-items: center;
}

.background-option:hover .bg-image , .visual-option:hover .bg-image {
    border-color: var(--green);
}

.selected .bg-image {
    border-color: var(--green);
}

.visual-option.active .bg-image {
    border-color: var(--green);
}

/* Locked option styling */
.locked-option {
    position: relative;
    overflow: hidden;
}

.locked-option .bg-image {
    opacity: 0.5;
}

.locked-option::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background-image: url('/static//index_picture/lock.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.locked-option:hover::after {
    content: 'Upgrade for more!';
    width: 100%;
    height: 100%;
    color: var(--red);
    font-size: 12px;
    font-family: var(--bodyFont);
    text-align: center;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    
    background-color: rgba(0, 0, 0, 0.8); /* Semi-transparent background */
    background-image: none;
}

/* MAIN CONTENT */
.main-content {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: nowrap;
    width: 100%;
    height: 100%;
    flex-grow: 1;
    overflow: hidden;
    overflow-y: auto;
    gap: 15px;


}

/* Webcam Wrapper as Full Background */
.webcam-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    flex: 1 1 auto;
    z-index: 1; /* Behind the decks and middle column */
    overflow: hidden;
    background-color: #000; /* Fallback background */
    /* Contains both video/canvas AND the middle column controls */
}

/* Video/Canvas Container within Wrapper */
.webcam-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Base layer within wrapper */
    overflow: hidden;
}

#main-inputVideo {
    transform: scaleX(-1);
    visibility: hidden; 
    position: absolute;
}

#main-outputCanvas {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1; 
}

/* Gesture Cue - Keep styling, ensure it's above canvas */
#gestureCue {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px; height: 90px;
    background-size: 60%;
    background-repeat: no-repeat;
    background-position: center center;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    z-index: 5; /* Above canvas */
    display: none; opacity: 0;
    transition: opacity 0.5s ease-out;
    box-shadow: 0 0 20px rgba(0,0,0,0.6);
}

/* === Columns / Decks (Overlaying the Background) === */

/* Deck A & Deck B Styling */
.controls-container, /* Deck A */
.blank-container { /* Deck B */
    /* flex: 0 0 33%; */
    flex: 0 0 25%; /* Fixed width of 250px, no growing */
    height: 100%;
    padding: 15px;
    display: flex;
    flex-direction: column;
    /* align-content: space-between; */
    justify-content: space-between;
    box-sizing: border-box;
    overflow-y: hidden; 
    overflow-x: hidden;
    position: relative;
    z-index: 2;
    gap: 15px;
    /* scrollbar-width: auto;
    scrollbar-color: #888 #000000; */
    /* <<< THÊM DÒNG NÀY: */
    min-height: 0; /* Cho phép flex item co nhỏ hơn chiều cao nội dung, kích hoạt overflow */
}



/* Style for drag/drop highlight (keep) */
.controls-container.droppable,
.blank-container.droppable {
    border: 3px dashed var(--primary);
    background-color: rgba(63, 90, 213, 0.2);
}

/* === Center Column (Library, Search, Preview) Styling === */
.webcam-wrapper > #main-controls-container {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
    height: calc((100% - 50px) * (2 / 5));
    padding: 15px;
    background-color: var(--center-col-bg);
    border: 1px solid var(--third);
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    z-index: 3;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: #555 rgba(0, 0, 0, 0.1);
}

#main-controls-container h3 {
    color: var(--third);
    font-family: var(--bodyFont);
    font-size: var(--smallFontSize);
    margin-bottom: 15px;
    text-align: center;
    flex-shrink: 0;
}

.search-container {
    width: 100%;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;

    /* flex-shrink: 0; */
}
#library-searchInput {
    /* flex-grow: 1; */
    /* padding: 8px 12px; */
    width: 100%;
    font-size: var(--smallFontSize);
    font-family: var(--bodyFont);
    padding-left: 5px;
    border: 1px solid var(--green);
    outline: none;
    background-color: rgba(28, 37, 38, 0.7);
    color: #fff;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.4);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
#library-searchInput:focus {
    border-color: var(--third);
    box-shadow: inset 0 0 8px rgba(0,0,0,0.4), 0 0 5px var(--third);
}
#library-searchBtn {
    padding: 8px 14px;
    background-color: var(--third);
    color: #000;
    border: none;
    cursor: pointer;
    font-weight: bold;

    /* flex-shrink: 0; */
}

#library-searchBtn:hover {
    background-color: #BFBC00;
}

#main-controls-container #music-library-carousel {
    width: 100%;
    flex-grow: 1;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 8px;
    border: 1px solid rgba(226, 241, 40, 0.5);
    scrollbar-width: thin;
    scrollbar-color: #555 rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}


#main-controls-container #music-library-carousel-inner {
    display: block; height: auto;
}



#main-controls-container .carousel-item {
    display: flex; align-items: center; width: 100%;
    height: auto; margin: 0 0 5px 0; cursor: pointer;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 3px; overflow: hidden; text-align: left;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    user-select: none; position: relative;
    border: 1px solid transparent; padding: 6px 8px;
}
#main-controls-container .carousel-item:last-child { margin-bottom: 0; }
#main-controls-container .carousel-item:hover { background-color: rgba(226, 241, 40, 0.1); }
#main-controls-container .carousel-item.active { border-color: var(--third); background-color: rgba(226, 241, 40, 0.2); box-shadow: 0 0 5px var(--third); }
#main-controls-container .carousel-item .name-wrapper {
    flex-grow: 1; font-size: 12px; color: #eee; padding: 0 8px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    font-family: Arial, sans-serif; line-height: 1.3; min-height: auto;
}
#music-library-carousel-inner .carousel-item button {
    margin: 0 2px;
    padding: 3px 6px;
    font-size: 8px;
    width: auto; height: auto;
    border: none;
    color: white;
    flex-shrink: 0;
}
#music-library-carousel-inner .carousel-item button:nth-of-type(1) { background-color: #4CAF50; }
#music-library-carousel-inner .carousel-item button:nth-of-type(1):hover { background-color: #45a049;}
#music-library-carousel-inner .carousel-item button:nth-of-type(2) { background-color: #2196F3; }
#music-library-carousel-inner .carousel-item button:nth-of-type(2):hover { background-color: #1976D2; }
#music-library-carousel-inner .carousel-item button:nth-of-type(3) { background-color: #f44336; }
#music-library-carousel-inner .carousel-item button:nth-of-type(3):hover { background-color: #d32f2f;}



#library-preview-container {
     margin-top: auto;
     padding: 10px;
     border: 1px solid rgba(226, 241, 40, 0.5);
     background-color: rgba(0, 0, 0, 0.3);
     flex-shrink: 0;
}
#library-preview-info {
    margin: 0 0 8px 0; font-size: 0.9em; color: #ddd;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    text-align: center;
}
#library-preview-audio {
    width: 100%; height: 35px;
}
#library-preview-audio::-webkit-media-controls-panel {
    background-color: rgba(40, 40, 40, 0.8);
}
#library-preview-audio::-webkit-media-controls-play-button,
#library-preview-audio::-webkit-media-controls-timeline,
#library-preview-audio::-webkit-media-controls-current-time-display,
#library-preview-audio::-webkit-media-controls-time-remaining-display,
#library-preview-audio::-webkit-media-controls-mute-button,
#library-preview-audio::-webkit-media-controls-volume-slider {
    color: var(--third);
}


/* === Deck A & B Internal Structure (Keep previous styles, ensure they fit in 33% width) === */

/* Song Container Area (Top part of Deck) */
#deck-a-song-container, #deck-b-song-container {
    /* display: flex;  */
    align-items: center; 
    gap: 15px; 
    background: none;
    border: none; padding: 0; margin-bottom: 10px; flex-shrink: 0;
    display: flex; 
    flex-direction: column;
    flex: 2;
}



.song-container-top {
    display: flex;
}



/* Vinyl Disc / Cover Art */
#deck-a-coverArt {
    border-radius: 50%;
    width: 180px;
    height: 180px;
    background-color: #111;
    background-image: url('/static/index_picture/vinyl disk.png');
    background-size: cover;
    background-position: center;
    border: none;
    box-shadow: 0 0 0px 8px var(--secondary), inset 0 0 8px rgba(0,0,0,0.5);
    transition: box-shadow 0.5s ease; /* ✅ bỏ transition transform */
    flex-shrink: 0;
    will-change: transform; /* ✅ tối ưu cho animation */
    margin: 20px;
    grid-column: 1 / span 2;
    grid-row: 1;
}

#deck-b-coverArt {
    border-radius: 50%;
    width: 180px;
    height: 180px;
    background-color: #111;
    background-image: url('/static/index_picture/vinyl disk.png');
    background-size: cover;
    background-position: center;
    border: none;
    box-shadow: 0 0 0px 8px #3F5AD5, inset 0 0 8px rgba(0,0,0,0.5);
    transition: box-shadow 0.5s ease; /* ✅ bỏ transition transform */
    flex-shrink: 0;
    will-change: transform; /* ✅ tối ưu cho animation */
    margin: 20px;
    grid-column: 2 / span 3;
    grid-row: 1;
}

#deck-a-coverArt[data-song-cover=""],
#deck-b-coverArt[data-song-cover=""] {
    background-image: url('/static/index_picture/vinyl disk.png') !important;
}

/* #deck-a-coverArt:not([data-song-cover]),
#deck-b-coverArt:not([data-song-cover]) {
    background-image: url('/static/index_picture/vinyl disk.png') !important;
} */

#deck-a-coverArt.spinning, #deck-b-coverArt.spinning {
    animation: spin 4s linear infinite;
}

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

/* Volume Control */
#deck-a-song-container .volume-control, #deck-b-song-container .volume-control-b {
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 6px;
    height: 100%;  
    justify-content: center;
    flex-shrink: 0;
}

 #deck-a-song-container .slider-track,
#deck-b-song-container .slider-track {
    position: relative;
    width: 18px;
    height: 100%;
    background: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

#deck-a-song-container .slider-track::before,
#deck-a-song-container .slider-track::after,
#deck-b-song-container .slider-track::before,
#deck-b-song-container .slider-track::after {
    content: "";
    position: absolute;
    width: 3px;
    height: 100%;
    background-color: rgb(34, 34, 34);
    border-radius: 2px;
}



#deck-a-song-container .slider-track::before,
#deck-b-song-container .slider-track::before {
    left: 0;
}

#deck-a-song-container .slider-track::after,
#deck-b-song-container .slider-track::after {
    right: 0;
}

#volumeSlider,
#volumeSliderB {
    -webkit-appearance: slider-vertical;
    appearance: slider-vertical;
    writing-mode: bt-lr;
    width: 100%;
    height: 100%;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 1;
    outline: none;
    margin: 0;
}

#volumeSlider::-webkit-slider-thumb,
#volumeSliderB::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 10px;
    background: var(--secondary);
    cursor: pointer;
    border: 1px solid #000;
}

#volumeSliderB::-webkit-slider-thumb {
    background: var(--primary);
}

#volumeSlider::-moz-range-thumb,
#volumeSliderB::-moz-range-thumb {
    width: 22px;
    height: 10px;
    background: var(--secondary);
    cursor: pointer;
    border: 1px solid #000;
}

#volumeSliderB::-moz-range-thumb {
    background: var(--primary);
} 

#volumeStatus,
#volumeStatusB {
    margin-top: 5px;
    font-size: 10px;
    font-family: var(--bodyFont);
}

#volumeStatus {
    color: var(--red);
}

#volumeStatusB {
    color: var(--blue);
}

/* Song Info Area (Progress, Time, Play) */
#deck-a-song-info {
    /* display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto auto; */
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    /* padding: 5px 0; */
    /* margin-top: 5px; */
  }
  
#deck-b-song-info {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.duration-bar{
  display: flex;
  align-items: center;
  gap: 10px;
  width: 90%;
  max-width: 400px;
  grid-column: 1 / span 2;  /* Cột 1 */
  grid-row: 2;      /* Dòng 2 */
}
.duration-bar-b {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 90%;
    max-width: 400px;
    grid-column: 2 / span 3;  /* Cột 1 */
    grid-row: 2;      /* Dòng 2 */
  }
.current-time, .total-time, .current-time-b, .total-time-b { font-size: 11px; color: #ffffff; flex-shrink: 0; font-family: var(--bodyFont); }
.progress-container { flex-grow: 1; height: 6px; background-color: #444; position: relative; cursor: pointer; overflow: hidden; }
.progress-container-b { flex-grow: 1; height: 6px; background-color: #444; position: relative; cursor: pointer; overflow: hidden; }
.progress-bar { width: 0%; height: 100%; background: var(--secondary); transition: width 0.1s linear;}
.progress-bar-b { width: 0%; height: 100%; background: var(--primary); transition: width 0.1s linear;}

/* New */
#playStopBtn {
    background-color: var(--red);
    color: var(--green);
    padding: 0;
    width: 40px;
    height: 28px;

    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    position: relative;
    cursor: pointer;
    /* transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease; */
    box-shadow: 0 0 10px rgba(0,0,0, 0.3);
    margin-top: 5px;
    grid-column: 3;
    grid-row: 2;
}

#playStopBtnB {
    background-color: var(--blue);
    color: var(--green);
    padding: 0;
    width: 40px;
    height: 28px;

    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    position: relative;
    cursor: pointer;
    /* transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease; */
    box-shadow: 0 0 10px rgba(0,0,0, 0.3);
    margin-top: 5px;
    grid-column: 1;
    grid-row: 2;
}

#playStopBtn:hover, #playStopBtnB:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

#playStopBtn::before, #playStopBtnB::before {
    content: '▶'; /* Play icon by default */
    font-size: 14px;
    line-height: 1;
    display: inline-block;
}

#playStopBtn.playing::before, #playStopBtnB.playing::before {
    content: '⏸'; /* Pause icon when playing */
}

#playStopBtn:disabled, #playStopBtnB:disabled {
    background-color: #ffffff !important;
    cursor: not-allowed;
    opacity: 0.6;
    border-color: #777;
    color: #999;
}

#playStopBtn:disabled:hover, #playStopBtnB:disabled:hover {
    filter: none;
    background-color: #555 !important;
}

/* Track Title Display */
#musicInfo {
  font-family: var(--heading);
  font-size: var(--smallFontSize);
  font-weight: 600;
  color: var(--secondary);
  white-space: normal;
  text-align: center;
  width: 100%;
  padding: 5px;
  margin: 8px 0;
  line-height: 1.3;
  background: none;
  border: none;
  box-shadow: none;
  min-height: auto;
  grid-column: 1 / 3; /* từ cột 1 đến cột 3, tức là chiếm cả 2 cột */
  grid-row: 3;        /* nằm ở dòng 3 */
}
#musicInfoB {
    font-family: var(--heading);
    font-size: var(--smallFontSize);
    font-weight: 600;
    color: var(--primary);
    white-space: normal;
    text-align: center;
    width: 100%;
    padding: 5px;
    margin: 8px 0;
    line-height: 1.3;
    background: none;
    border: none;
    box-shadow: none;
    min-height: auto;
    grid-column: 2 / 4; /* từ cột 1 đến cột 3, tức là chiếm cả 2 cột */
    grid-row: 3;        /* nằm ở dòng 3 */
  }

/* Mid-Section: Controls Buttons & Carousel/Playlist */
/* === MODIFICATION START === */
#deck-a-controls, #deck-b-controls {
    display: flex;
    /* flex-direction: row; -- No longer needed, flex-wrap handles direction */
    flex-wrap: wrap;       /* <<< ALLOWS ITEMS TO WRAP TO THE NEXT LINE */
    justify-content: center; /* Center the buttons on their line */
    align-items: flex-start; /* Align items (button row and panel row) to the top */
    flex-grow: 0;
    flex-shrink: 0;
    padding: 5px 0;
    margin-top: 0;
    order: 1; /* This determines the order of #deck-a-controls relative to siblings */
}

#deck-a-controls button, #deck-b-controls button {
    /* Keep existing button appearance */
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    row-gap: 15px; /* khoảng cách giữa các hà ng */
    column-gap: 10px; /* khoảng cách giữa các nút ngang */
    margin-bottom: 15px;
    margin-block-start: 15px;
    outline: 3px solid #E2F128;
    outline-offset: 0px; /* Cho viền nằm sát nút */
    padding: 4px 15px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-dark);
    background-color: var(--third);
    border: none;
    transition: background-color 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    /* Flex item control */
    flex-grow: 0;
    flex-shrink: 0;
}
/* Khi hover trực tiếp và o nút Upload -> Chuyển thà nh Active */
#deck-a-controls button[onclick*="uploadMusic"]:hover,
#deck-b-controls button[onclick*="uploadMusicB"]:hover {
    background-color: #000000; /* Nền xám đậm */
    color: var(--button-active-text);       /* Chữ và ng */
    border-color: var(--button-active-text); /* Viền và ng (nổi) */
}
/* === MODIFICATION END === */

/* #deck-a-controls button:hover, #deck-b-controls button:hover { filter: brightness(1.1); box-shadow: 0 4px 8px rgba(0,0,0,0.3); } */
#deleteSongBtn, #deleteSongBtnB { display: inline-block; background-color: #1E1E1E; color: white; }
#deleteSongBtn:hover, #deleteSongBtnB:hover { background-color: #1E1E1E; color: white; }
#recordBtn, #recordBtnB { display: none; }
#recordBtn.recording, #recordBtnB.recording { background-color: #e91e63; color: white; animation: pulse-recording 1.5s infinite ease-in-out; }
#recordBtn.recording:hover, #recordBtnB.recording:hover { background-color: #c2185b; }
/* @keyframes pulse-recording... (keep if needed) */

/* Carousel Wrapper / Playlist Area */
.carousel-wrapper {
    display: flex; justify-content: center; width: 100%; margin: 0;
    flex-grow: 1; flex-shrink: 1; overflow: hidden; order: 2; min-height: 80px;
}
#deck-a-carousel, #deck-b-carousel {
    width: 100%; height: 100%; overflow-x: hidden; overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.2); padding: 8px; border: 1px solid rgba(226, 241, 40, 0.5);
    white-space: normal; position: relative; scrollbar-width: thin; scrollbar-color: #555 rgba(0, 0, 0, 0.1);
}
#deck-a-carousel-inner, #deck-b-carousel-inner { display: block; white-space: normal; height: auto; }
#deck-a-carousel .carousel-item, #deck-b-carousel .carousel-item {
    display: flex; align-items: center; width: 100%; height: auto; margin: 0 0 5px 0; cursor: pointer;
    background-color: rgba(255, 255, 255, 0.05); overflow: hidden; text-align: left;
    transition: background-color 0.2s ease, border-color 0.2s ease; user-select: none; position: relative;
    border: 1px solid transparent; padding: 6px 8px;
}
#deck-a-carousel .carousel-item:last-child, #deck-b-carousel .carousel-item:last-child { margin-bottom: 0; }
#deck-a-carousel .carousel-item:hover, #deck-b-carousel .carousel-item:hover { background-color: rgba(226, 241, 40, 0.1); }
#deck-a-carousel .carousel-item.dragging, #deck-b-carousel .carousel-item.dragging { opacity: 0.7; transform: scale(1.02); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3); z-index: 10; }
#deck-a-carousel .carousel-item.active, #deck-b-carousel .carousel-item.active { border-color: var(--third); background-color: rgba(226, 241, 40, 0.2); box-shadow: 0 0 5px var(--third); }
#deck-a-carousel .carousel-item img, #deck-b-carousel .carousel-item img { display: none; }
#deck-a-carousel .carousel-item .name-wrapper, #deck-b-carousel .carousel-item .name-wrapper {
    flex-grow: 1; font-size: 12px; color: #eee; padding: 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    font-family: var(--bodyFont); line-height: 1.3; min-height: auto;
}
#deck-a-carousel .carousel-item button, #deck-b-carousel .carousel-item button {
    font-size: 12px; padding: 3px 6px; margin-left: 5px; background-color: transparent;
    border: 1px solid var(--third); color: var(--third); cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease; width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
#deck-a-carousel .carousel-item button:hover, #deck-b-carousel .carousel-item button:hover { background-color: var(--third); color: var(--text-dark); }


/* Bottom Section: Effects Panel */
/* === MODIFICATION START === */
#deck-a-effectsPanel, #deck-b-effectsPanel {
    display: block;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--third);
    color: var(--third);
    font-family: 'Arial', sans-serif;
    /* max-width: 100%; -- width:100% below will handle this */
    overflow: hidden;
    /* margin-top: 10px; -- Replaced by gap in parent */
    flex-shrink: 0;
    /* order: 3; -- No longer needed as flex-wrap handles positioning */
    width: 100%; /* <<< ENSURES PANEL TAKES FULL WIDTH ON ITS NEW LINE */
}
/* === MODIFICATION END === */
/* 
#deck-a-effectsPanel .panel-header, #deck-b-effectsPanel .panel-header {
    background: none; color: var(--third); font-weight: bold; padding: 6px 12px; position: relative;
    font-size: 13px; text-align: center; border-bottom: 1px solid rgba(226, 241, 40, 0.5); text-transform: uppercase;
}
#deck-a-effectsPanel .effect-row, #deck-b-effectsPanel .effect-row {
    display: flex; justify-content: space-between; align-items: center; padding: 6px 12px;
    border-top: 1px solid rgba(226, 241, 40, 0.2); font-size: 12px;
}
#deck-a-effectsPanel .effect-row:first-of-type, #deck-b-effectsPanel .effect-row:first-of-type { border-top: none; }
#deck-a-effectsPanel .effect-name, #deck-a-effectsPanel .effect-value,
#deck-b-effectsPanel .effect-name, #deck-b-effectsPanel .effect-value { color: var(--third); font-family: var(--orbitron); }
#deck-a-effectsPanel .effect-name, #deck-b-effectsPanel .effect-name { font-family: Arial, sans-serif; font-weight: normal; color: #ccc; } */


/* === Scrollbar Styling (Keep as is) === */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2) }
::-webkit-scrollbar-thumb { background: #555; border: 1px solid #333; }
::-webkit-scrollbar-thumb:hover { background: #777; }
.controls-container, .blank-container,
#main-controls-container,
#deck-a-carousel, #deck-b-carousel, #music-library-carousel {
    scrollbar-width: thin;
    scrollbar-color: #555 rgba(0, 0, 0, 0.2);
}


/* === Drag & Drop Styles (Keep/Refine) === */
.carousel.drag-over-active { border: 2px dashed var(--third); background-color: rgba(226, 241, 40, 0.1); }
.dragging { opacity: 0.6; background: #555; }

/* EFFECT CAROUSEL STYLES */
.effect-carousel-container {
    position: absolute; /* Keep absolute positioning for placement within webcam-wrapper */
    top: 20px; /* Distance from bottom, adjust as needed */
    left: 50%;
    transform: translateX(-50%);
    width: 50%; /* Use most of the available width, adjustable */
    font-family: var(--bodyFont);

    display: flex;
    justify-content: center; /* Center the carousel within the container */
    z-index: 5; /* Ensure it appears above other elements */
    pointer-events: auto; /* Allow interaction with items */
}

.effect-carousel {
    display: flex;
    flex-direction: row; /* Explicitly set to row for clarity */
    justify-content: center; /* Center items if they don't fill the container */
    align-items: center; /* Vertically center items */
    width: 100%; /* Take full width of the container */
    transition: transform 0.3s ease-in-out; /* Keep smooth transition for carousel sliding */
    gap: 10px; /* Add spacing between items */
}

.effect-item {
    flex: 1 1 0; /* Equal width for all items, allows growing/shrinking equally */
    min-width: 0; /* Prevent overflow issues */
    border-radius: 0px;
    color: black;
    white-space: nowrap;
    background-color: rgb(226, 241, 40, 0.3);
    user-select: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    text-align: center; /* Center text within each item */
    padding: 8px; /* Add padding for better appearance */
    box-sizing: border-box; /* Ensure padding doesn't affect width */
    box-shadow: 0 0 10px rgba(0,0,0, 0.3);
}

/* .effect-item {
    padding: 8px 16px;
    margin: 0 5px;
    border: 1px solid var(--effect-item-border);
    border-radius: 0px;
    color: var(--text-light);
    cursor: pointer;
    white-space: nowrap;
    background-color: var(--effect-item-bg);
    user-select: none;
    width: 15%; 
    height: auto;
    flex-shrink: 0;
    text-align: center;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-weight: normal; 
} */

/* .effect-item:hover {
    background-color: #444;
    border-color: #888;
} */

.effect-item.selected {
    background-color:var(--green);
    border-color: var(--effect-item-selected-border);
    color: var(--effect-item-selected-color);
    font-weight: bold; /* Item được chọn sẽ in đậm */
    /* box-shadow: 0 0 8px rgba(226, 241, 40, 0.6); */ /* Có thể thêm shadow nổi bật */
}

/* Style cho trạng thái bị khóa (tùy chọn, nếu muốn hiển thị visual lock) */
.effect-item[data-effect="slicer"] { 
    font-weight: normal; /* Đảm bảo không in đậm chỉ vì có icon */
}

/* Nếu có class .locked */
/*
.effect-item.locked {
    border-color: #888;
    background-color: #222;
    color: #888;
    cursor: not-allowed;
}
*/

/* CHI TIẾT THEM */
.music-source-panel {
    /* background-color: #282828; */
    /* padding: 15px; */
    /* margin-bottom: 20px; */
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); */
    width: 100%;
    /* max-height: 100%; */
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 10px rgba(0,0,0, 0.3);

    
}

.panel-tabs {
    display: flex;
    /* margin-bottom: 15px; */
    /* border-bottom: 1px solid #444; */
    /* flex-shrink: 0;  */
    border: 1px solid var(--green);
}

.panel-tab-button {
    width: 100%;
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    background-color: rgb(0, 0, 0, 0.5);
    color: var(--green);
    font-size: var(--smallFontSize);
    font-family: var(--bodyFont);

    /* transition: color 0.3s, border-bottom 0.3s; */
    border-bottom: 3px solid transparent;
}

.panel-tab-button.active {
    color: #000000;
    background-color: var(--green);
    font-weight: 600;
}

.panel-tab-button:hover:not(.active) {
    background-color: rgb(0, 0, 0, 0.7);
}

.panel-content-area {
    background-color: #191919;
    padding: 20px;
    flex-grow: 0; 
    display: flex; /* Để .panel-view.active-view có thể chiếm toàn bộ không gian */
    overflow: hidden; /* QUAN TRỌNG: Giữ lại ở đây để view không tràn ra ngoài content-area.
                         Thanh cuộn sẽ nằm BÊN TRONG .carousel. */
    position: relative; /* Giữ lại nếu cần cho các view con */
}

.panel-view {
    display: none; /* Mặc định ẩn */
    width: 100%;
    /* height: 100%; */
    flex-direction: column; /* Quan trọng: Sắp xếp các thành phần con (search, carousel) theo chiều dọc */
    /* overflow: hidden; <- Bỏ ở đây, để .carousel tự xử lý cuộn của nó */
}

.panel-view.active-view {
    display: flex; /* Sử dụng flex để .carousel bên trong có thể dùng flex-grow */
    /* display: block; <- Nếu bạn đã có display: flex ở trên, cái này không cần thiết nữa và có thể gây nhầm lẫn.
                          Chọn một trong hai. `flex` thường tốt hơn cho bố cục con. */
}

/* Style cho các thành phần điều khiển BÊN TRÊN carousel (search, upload controls) */
.music-source-panel .search-container,
.music-source-panel .upload-controls,
.music-source-panel .library-preview-player { /* library-preview-player thường ở dưới carousel */
    flex-shrink: 0; /* Ngăn chúng bị co lại */
    margin-bottom: 10px; /* Khoảng cách với carousel */
    
}
.music-source-panel .library-preview-player {
    margin-top: 10px; /* Nếu nó ở dưới carousel */
    margin-bottom: 0;
}


/* Style cho carousel trong panel */
.music-source-panel .carousel {
    /* height: calc(100% - 50px); <- Bỏ tính toán height cố định này,
                                     hãy để flex-grow quản lý chiều cao động. */
    flex-grow: 1;
    overflow-y: auto; /* QUAN TRỌNG: Chỉ cho phép cuộn dọc KHI CẦN THIẾT */
    overflow-x: hidden; /* Ngăn cuộn ngang không mong muốn */
    max-height: 150px;
    border: 1px solid #333;
    background-color: #1f1f1f;
    /* display: flex; và flex-direction: column; không cần thiết ở đây
       vì .carousel-inner sẽ xử lý việc này. */
}

.music-source-panel .carousel-inner {
    height: 100%;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
        font-family: var(--bodyFont);
    /* Không set height ở đây, để nó tự mở rộng theo nội dung bên trong */
}

/* CSS cho scrollbar (tùy chọn, để đẹp hơn) */
.music-source-panel .carousel::-webkit-scrollbar {
    width: 8px;
}
.music-source-panel .carousel::-webkit-scrollbar-track {
    background: #222; /* Màu nền của track scrollbar */
    border-radius: 4px;
}
.music-source-panel .carousel::-webkit-scrollbar-thumb {
    background: #555;
}
.music-source-panel .carousel::-webkit-scrollbar-thumb:hover {
    background: #6E6E6E;
}


/* Style cho item nhạc trong carousel upload (giữ nguyên hoặc tinh chỉnh nếu cần) */
.music-source-panel .panel-upload-item {
    background-color: #303030;
    padding: 0px 12px; /* Điều chỉnh padding cho phù hợp */
    display: flex;
    align-items: center;
    cursor: grab;
    border: 1px solid #444;
    width: 100%; /* Đảm bảo item chiếm đủ chiều rộng */
    box-sizing: border-box; /* Để padding/border không làm tăng kích thước tổng */
}
.music-source-panel .panel-upload-item:active {
    cursor: grabbing;
}

.music-source-panel .panel-upload-item img {
    width: 20px;
    height: 20px;
    object-fit: cover;
    margin-right: 12px; /* Tăng khoảng cách một chút */
    flex-shrink: 0;
}

.music-source-panel .panel-upload-item p {
    margin: 0;
    font-size: 0.9em;
    color: #eee;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}
.music-source-panel .panel-upload-item .remove-upload-btn {
    background: none;
    border: none;
    color: #E2F128;
    cursor: pointer;
    font-size: 1.1em;
    padding: 5px;
    margin-left: 8px; /* Thêm chút margin bên trái nút xóa */
    flex-shrink: 0;
}
.music-source-panel .panel-upload-item .remove-upload-btn:hover {
    color: #ff4757;
}


.music-source-panel .empty-carousel-text {
    display: flex;
    align-items: center;
    color: #777;
    text-align: center;
    /* padding: 20px; */
    font-style: italic;
    height: 100%;

}

.upload-controls {

    align-items: center;
    margin-bottom: 10px; /* Giữ nguyên */
    flex-shrink: 0;
}

.upload-controls .button-style {
    width: 100%;
    /* background-color: var(--green); */
    background-color: transparent;
    border: 1px solid var(--green);
    color: var(--green);
    font-family: var(--bodyFont);
    padding: 8px 15px;
    cursor: pointer;
    font-size: 0.9em;
}
.upload-controls .button-style:hover {
    background-color: var(--green);
    color: #000;
}
/* --- NEW Playlist Container Styles --- */
.playlist-container {
    width: 100%;

    border: 1px solid var(--green); /* Border như hình */ 
    display: flex;
    flex-direction: column;
    font-family: var(--bodyFont);
    box-shadow: 0 0 10px rgba(0,0,0, 0.3);
    /* flex-shrink: 0; <<< Đảm bảo playlist block không bị co lại */
    /* flex-grow: 1; */
}

.playlist-header {
    background-color: rgb(0, 0, 0, 0.5); /* Nền đầu playlist */
    color: var(--green);
    padding: 10px;
    text-align: center;
    font-size: var(--smallFontSize);

    font-weight: 600;

    border-bottom: 1px solid var(--green);
}

.playlist-decks-wrapper {
    display: flex; /* Chia làm 2 cột con */
    width: 100%;
    height: 100%;
}

.playlist-column {
    flex: 1; /* Mỗi cột chiếm 1 phần bằng nhau */
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--green);
    overflow-x: auto;
}

.playlist-column:last-child {
    border-right: none;
}

.column-header {
    color: var(--green);
    padding: 8px;
    text-align: center;
    font-size: var(--bodyFont);
    font-weight: bold;
    border-bottom: 1px solid var(--green);
}

.playlist-items-inner {
    max-height: 150px;
    flex-grow: 1;
    padding: 5px;
    overflow-y: auto; /* <<< QUAN TRỌNG: Cuộn bên trong danh sách items */
    background-color: #191919; /* Nền khu vực cuộn */
}

.empty-playlist-text {
    color: #777;
    text-align: center;
    padding: 20px;
    font-style: italic;
}

/* --- Playlist Item Styles --- */
.playlist-item {
    display: flex;
    align-items: center;
    padding: 8px;
    margin-bottom: 4px;
    background-color: #2a2a2a;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9em;
    color: #ddd;
}

.playlist-item:last-child {
    margin-bottom: 0; /* Loại bỏ margin dưới cùng cho item cuối */
}

.playlist-item:hover {
    background-color: #3a3a3a;
}

.playlist-item.active {
    background-color: #4a4a4a;
    color: #fff;
    font-weight: bold;
    /* Optional: add a subtle border or shadow to active item */
    /* border: 1px solid var(--third); */
}

.playlist-item-info {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 10px;
}

/* --- Remove Button Styles --- */
.remove-playlist-item-btn {
    background: none;
    border: none;
    color: #ff6b6b; /* Màu đỏ cho nút xóa */
    font-size: 1.2em;
    cursor: pointer;
    padding: 0 5px;
    transition: color 0.2s ease;
    flex-shrink: 0; /* Ngăn nút xóa bị co lại */
}

.remove-playlist-item-btn:hover {
    color: #ff0000;
}

/* Style khi kéo (optional) */
.playlist-item.dragging {
    opacity: 0.5;
}
/* Adjust margins on siblings within deck containers if needed */
/* Example: Ensure there's space above the effects panel if it follows the playlist */
/* #deck-a-effectsPanel, #deck-b-effectsPanel { margin-top: 15px; } */ /* Or rely on the gap in parent */


/* Popup styling */
.subscription-popup {
    /* position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100; */
    font-family: var(--bodyFont);

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.8);
    
}
.subscription-popup.show {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    min-height: 100vh;
}
.popup-content {
    /* padding: 20px;
    padding-bottom: 0;
    text-align: center;
    color: #fff;
    max-width: 900px;
    width: 90%; */
    max-width: 1200px;
    width: 100%;
}

.tier-container {
    /* display: flex;
    justify-content: space-between;
    gap: 20px; */
    display: flex;
    justify-content: space-between;
    align-items: stretch; /* Ensures all boxes match height */
    gap: 1.5rem;
    flex-wrap: wrap;
}
.tier-column {
    /* flex: 1;
    background-color: #000;
    padding: 20px;
    border-radius: 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between; */
    flex: 1 1 0;
    max-width: 100%;
    background-color: #131313;
    border: 1px solid var(--green);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 250px;
    box-sizing: border-box;
    transition: transform 0.3s ease;
}

.tier-column:hover {
    transform: translateY(-5px);
  }

.tier-column h2 {
    /* color: #ffcc00;
    font-size: 24px;
    margin: 0 0 10px 0; */
    margin-bottom: 0.5rem;
    color: var(--green);
    font-weight: bolder;
    font-size: var(--bigFontSize);
}
.tier-column .price {
    /* color: #ffcc00;
    font-size: 28px;
    margin: 0; */
    font-size: 2rem;
    margin: 0.5rem 0;
    color:  var(--green);
}
.tier-column .subtext {
    /* color: #888;
    font-size: 12px;
    margin: 5px 0 15px 0; */
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 1rem;
}
.tier-column .features {
    /* list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    flex-grow: 1; */
    list-style: none;
    padding: 0;
    text-align: left;
    margin-bottom: 1.5rem;
}
.tier-column .features li {
    /* color: #ffffff;
    font-size: 14px;
    margin-bottom: 10px;
    text-align: center; */
    margin: 0.5rem 0;
}
.tier-column .features li.greyed {
    color: #a9a9a9;
}
.tier-column .upgrade-btn {
    /* background-color: #ffcc00;
    color: #000;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 0;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease; */
    padding: 0.75rem 1rem;
    background-color: var(--green);
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}
.tier-column .upgrade-btn:enabled:hover {
    background-color: transparent;
    border: 1px solid var(--green);
    color: var(--green);
}
.tier-column .upgrade-btn:disabled {
    background-color: #666;
    cursor: not-allowed;
}
.tier-column .upgrade-btn:disabled:hover {
    background-color: #666;
}

.close-btn {
    width: 100%;
    background-color: transparent;
    color: #797979;
    border: none;
    justify-content: center;
    /* padding: 10px 20px; */
    padding: 0;
    font-size: 16px;
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}
.close-btn:hover {
    background-color: transparent;
    color: #c3c3c3;
}

/* P5 */
.p5Canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}