/* =========================================================
CS DASHBOARD CORE — ENGINE 4.1
Production Grade Layout System
✔ Syntax Clean
✔ Duplicate Free
✔ Footer Gap Fixed
✔ Sidebar Stretch Fixed
✔ Mobile Safe
✔ Engine 4.1 Compatible
========================================================= */

/* =========================================================
ROOT TOKENS
========================================================= */

:root{

    --cs-bg:#070707;
    --cs-panel:rgba(18,18,18,0.82);

    --cs-border:rgba(255,255,255,0.08);

    --cs-text:#ffffff;
    --cs-muted:#9b9b9b;

    --cs-gold:#d4af37;
    --cs-gold-hover:#f1cc5b;

    --cs-purple:#9d4dff;
    --cs-cyan:#00e6d7;

    --cs-shadow:
        0 20px 50px rgba(0,0,0,0.45);

    --cs-radius:18px;

    --cs-transition:
        all .3s ease;

}

/* =========================================================
GLOBAL RESET
========================================================= */

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

html{
    margin:0;
    padding:0;
}

body{
    margin:0;
    padding:0;

    background:var(--cs-bg);
    color:var(--cs-text);

    font-family:
        Inter,
        system-ui,
        -apple-system,
        sans-serif;

    overflow-x:hidden;
}

/* =========================================================
MEDIA
========================================================= */

img{
    max-width:100%;
    display:block;
}

button,
input,
textarea,
select{
    font:inherit;
}

/* =========================================================
LINKS
========================================================= */

a{
    color:inherit;
    text-decoration:none;
}

/* =========================================================
DASHBOARD CORE LAYOUT
========================================================= */

.cs-dashboard{

    position:relative;

    display:flex;

    width:100%;

    min-height:100vh;

    background:#050505;

    color:#fff;

    margin:0;
    padding:0;

    overflow:hidden;
}

/* =========================================================
SIDEBARS
========================================================= */

.cs-sidebar,
.cs-artist-sidebar,
.cs-client-sidebar,
.cs-studio-sidebar{

    width:260px;

    background:#0b0b0b;

    border-right:
        1px solid rgba(255,255,255,.06);

    padding:30px;

    margin:0;

    align-self:stretch;

    flex-shrink:0;

    position:relative;

    z-index:10;
}

/* =========================================================
SIDEBAR NAV
========================================================= */

.cs-sidebar nav,
.cs-artist-sidebar nav,
.cs-client-sidebar nav,
.cs-studio-sidebar nav{
    display:flex;
    flex-direction:column;
    gap:8px;
}

.cs-sidebar nav a,
.cs-artist-sidebar nav a,
.cs-client-sidebar nav a,
.cs-studio-sidebar nav a{

    display:flex;
    align-items:center;

    gap:12px;

    padding:14px;

    border-radius:12px;

    color:#bbbbbb;

    transition:var(--cs-transition);
}

.cs-sidebar nav a:hover,
.cs-artist-sidebar nav a:hover,
.cs-client-sidebar nav a:hover,
.cs-studio-sidebar nav a:hover{

    background:
        rgba(245,179,1,.12);

    color:var(--cs-gold);

    transform:translateX(6px);

    box-shadow:
        0 20px 40px rgba(157,77,255,.25);
}

.cs-sidebar nav a.active,
.cs-artist-sidebar nav a.active,
.cs-client-sidebar nav a.active,
.cs-studio-sidebar nav a.active{

    background:
        rgba(245,179,1,.14);

    color:var(--cs-gold);
}

/* =========================================================
ACTIVE INDICATOR
========================================================= */

.cs-sidebar-nav{
    position:relative;
}

.cs-active-indicator{

    position:absolute;

    left:0;

    width:4px;
    height:40px;

    border-radius:999px;

    background:
        linear-gradient(
            var(--cs-gold),
            #ff8c42
        );

    transition:top .3s ease;
}

/* =========================================================
MAIN CONTENT
========================================================= */

.cs-dashboard-main,
.cs-artist-main,
.cs-client-main,
.cs-studio-main{

    flex:1;

    min-width:0;

    padding:40px;

    margin:0;

    position:relative;
}

/* =========================================================
SECTION RHYTHM
========================================================= */

.cs-section{
    margin-bottom:60px;
}

.cs-section:last-child{
    margin-bottom:0;
}

/* =========================================================
HERO
========================================================= */

.cs-dashboard-hero{

    position:relative;

    margin-bottom:40px;

    padding:40px;

    border-radius:28px;

    overflow:hidden;

    background:
        linear-gradient(
            135deg,
            #120a1f,
            #1b1333
        );

    border:
        1px solid rgba(255,255,255,.05);
}

.cs-dashboard-hero::before{

    content:"";

    position:absolute;

    inset:0;

    background:
        radial-gradient(
            circle at top left,
            rgba(245,179,1,.12),
            transparent 60%
        );

    pointer-events:none;
}

.cs-dashboard-hero h1{

    margin:0 0 12px;

    font-size:
        clamp(2rem,4vw,3rem);

    font-weight:800;
}

.cs-dashboard-hero p{

    margin:0;

    color:var(--cs-muted);

    font-size:1rem;

    max-width:640px;
}

/* =========================================================
ACTION ROW
========================================================= */

.cs-artist-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;

    margin-top:28px;
}

/* =========================================================
BUTTONS
========================================================= */

.Btn,
.cs-BTN{

    display:inline-flex;

    align-items:center;
    justify-content:center;

    gap:10px;

    padding:12px 18px;

    border:none;

    border-radius:14px;

    cursor:pointer;

    font-weight:700;

    transition:var(--cs-transition);
}

.Btn-primary,
.cs-BTN-primary{

    background:
        linear-gradient(
            90deg,
            #f5b301,
            #ff8c42
        );

    color:#120a1f;
}

.Btn-primary:hover,
.cs-BTN-primary:hover{

    transform:translateY(-2px);

    box-shadow:
        0 10px 25px rgba(245,179,1,.35);
}

.Btn-outline,
.cs-BTN-outline{

    background:transparent;

    border:
        1px solid rgba(157,77,255,.5);

    color:#9d4dff;
}

.Btn-outline:hover,
.cs-BTN-outline:hover{

    background:
        rgba(157,77,255,.08);

    box-shadow:
        0 0 20px rgba(157,77,255,.25);
}

/* =========================================================
STATS ROW
========================================================= */

.cs-stats-row{

    display:grid;

    grid-template-columns:
        repeat(6,1fr);

    gap:16px;

    margin-top:40px;
}

/* =========================================================
STAT CARD
========================================================= */

.cs-stat-card{

    background:var(--cs-panel);

    border:
        1px solid var(--cs-border);

    backdrop-filter:blur(18px);

    border-radius:var(--cs-radius);

    padding:18px 14px;

    text-align:center;

    box-shadow:var(--cs-shadow);

    min-height:120px;

    display:flex;
    flex-direction:column;
    justify-content:center;

    transition:var(--cs-transition);
}

.cs-stat-card:hover{

    transform:translateY(-8px);

    box-shadow:
        0 20px 40px rgba(157,77,255,.45);
}

.cs-stat-card span{

    display:block;

    font-size:1.5rem;

    font-weight:800;

    color:var(--cs-gold);
}

.cs-stat-card small{

    display:block;

    margin-top:8px;

    color:var(--cs-muted);

    font-size:.8rem;
}

/* =========================================================
SECTION HEAD
========================================================= */

.cs-section-head{

    position:relative;

    display:flex;
    align-items:center;

    gap:16px;

    margin:30px 0 40px;
}

.cs-section-head::after{

    content:"";

    position:absolute;

    left:0;
    bottom:-12px;

    width:100%;
    height:1px;

    background:
        linear-gradient(
            90deg,
            rgba(245,179,1,.35),
            rgba(157,77,255,.15),
            transparent
        );
}

.cs-section-head h2{

    margin:0;

    font-size:
        clamp(1.2rem,2vw,1.8rem);

    font-weight:700;
}

.cs-section-head span{

    color:#bbbbbb;

    font-size:.92rem;
}

/* =========================================================
MINI PLAYER
========================================================= */

.cs-mini-player{

    display:flex;
    align-items:center;

    gap:24px;

    padding:22px;

    border-radius:24px;

    background:
        rgba(14,14,14,.95);

    border:
        1px solid var(--cs-border);

    backdrop-filter:blur(18px);

    box-shadow:var(--cs-shadow);
}

.play-btn,
#csPlayBtn,
.track-action{

    width:56px;
    height:56px;

    border:none;

    border-radius:50%;

    cursor:pointer;

    background:var(--cs-gold);

    color:#000;

    font-size:18px;

    font-weight:700;

    transition:var(--cs-transition);
}

.play-btn:hover,
#csPlayBtn:hover,
.track-action:hover{

    transform:scale(1.05);
}

.cs-player-meta{
    min-width:220px;
}

#csNowTitle{
    font-weight:700;
}

#csNowArtist{
    margin-top:4px;
    color:var(--cs-muted);
}

.cs-progress-wrap{

    flex:1;

    display:flex;
    align-items:center;

    gap:14px;
}

#csSeek{
    flex:1;
}

/* =========================================================
TRACK LIBRARY
========================================================= */

.cs-library{
    padding-bottom:40px;
}

.cs-track-row{

    display:grid;

    grid-template-columns:
        60px 70px 1fr 90px 70px;

    align-items:center;

    gap:18px;

    padding:16px 18px;

    margin-bottom:14px;

    border-radius:18px;

    cursor:pointer;

    background:
        rgba(18,18,18,.8);

    border:
        1px solid var(--cs-border);

    transition:var(--cs-transition);
}

.cs-track-row:hover{

    transform:translateY(-3px);

    border-color:
        rgba(212,175,55,.4);

    box-shadow:
        0 14px 30px rgba(0,0,0,.35);
}

.track-thumb{

    width:58px;
    height:58px;

    border-radius:14px;

    object-fit:cover;
}

.track-meta{
    display:flex;
    flex-direction:column;
    gap:6px;
}

.track-title{
    font-weight:700;
}

.track-artist,
.track-duration{
    color:var(--cs-muted);
    font-size:.85rem;
}

/* =========================================================
PROJECT / BEAT GRID
========================================================= */

.cs-project-grid,
.cs-beat-grid{

    display:grid;

    grid-template-columns:
        repeat(auto-fill,minmax(220px,1fr));

    gap:20px;
}

/* =========================================================
CARDS
========================================================= */

.cs-project-card,
.cs-beat-card,
.cs-track-card{

    position:relative;

    overflow:hidden;

    padding:20px;

    border-radius:20px;

    background:
        linear-gradient(
            135deg,
            #120a1f,
            #1b1333
        );

    border:
        1px solid rgba(255,255,255,.05);

    transition:var(--cs-transition);
}

.cs-project-card:hover,
.cs-beat-card:hover,
.cs-track-card:hover{

    transform:
        translateY(-6px);

    box-shadow:
        0 10px 30px rgba(157,77,255,.3);
}

/* =========================================================
ACTIVE TRACK
========================================================= */

.cs-track-card.active{

    border:
        1px solid rgba(212,175,55,.7);

    box-shadow:
        0 0 12px rgba(212,175,55,.35),
        0 0 28px rgba(212,175,55,.18);

    animation:
        csPulseGlow 1.8s ease-in-out infinite;
}

.cs-track-card.active::after{

    content:"● PLAYING";

    position:absolute;

    top:12px;
    right:12px;

    font-size:11px;
    font-weight:700;

    letter-spacing:1px;

    color:#f5d67b;

    background:
        rgba(0,0,0,.7);

    padding:4px 8px;

    border-radius:999px;
}

/* =========================================================
FLOATING UPLOADER
========================================================= */

#csFloatingUploader{

    position:fixed;

    right:24px;
    bottom:24px;

    z-index:9999;

    width:260px;

    display:flex;
    flex-direction:column;

    gap:14px;

    padding:18px;

    border-radius:22px;

    background:
        rgba(18,18,18,.88);

    backdrop-filter:blur(18px);

    border:
        1px solid var(--cs-border);

    box-shadow:var(--cs-shadow);

    animation:
        csPanelGlow 6s ease-in-out infinite;
}

.cs-drag-handle{

    cursor:move;

    font-size:12px;

    color:var(--cs-muted);

    font-weight:600;

    text-transform:uppercase;

    letter-spacing:.08em;
}

/* =========================================================
ANIMATIONS
========================================================= */

@keyframes csPulseGlow{

    0%{
        box-shadow:
            0 0 10px rgba(212,175,55,.25),
            0 0 20px rgba(212,175,55,.10);
    }

    50%{
        box-shadow:
            0 0 18px rgba(212,175,55,.55),
            0 0 36px rgba(212,175,55,.22);
    }

    100%{
        box-shadow:
            0 0 10px rgba(212,175,55,.25),
            0 0 20px rgba(212,175,55,.10);
    }
}

@keyframes csPanelGlow{

    0%{
        box-shadow:
            0 10px 40px rgba(0,0,0,.7),
            0 0 20px rgba(157,77,255,.2);
    }

    50%{
        box-shadow:
            0 15px 50px rgba(0,0,0,.9),
            0 0 30px rgba(157,77,255,.35);
    }

    100%{
        box-shadow:
            0 10px 40px rgba(0,0,0,.7),
            0 0 20px rgba(157,77,255,.2);
    }
}

/* =========================================================
FOOTER GAP HARD FIX
========================================================= */

.site-footer,
footer{

    margin-top:0 !important;

    padding-top:0;
}

.cs-dashboard + footer,
.cs-dashboard + .site-footer{

    margin-top:0 !important;
}

.cs-dashboard:last-child{

    margin-bottom:0 !important;

    padding-bottom:0 !important;
}

body.page-template{

    margin-bottom:0 !important;
}

/* =========================================================
RESPONSIVE
========================================================= */

@media (max-width:1024px){

    .cs-stats-row{
        grid-template-columns:
            repeat(3,1fr);
    }

    .cs-dashboard-main,
    .cs-artist-main,
    .cs-client-main,
    .cs-studio-main{
        padding:28px;
    }
}

@media (max-width:768px){

    .cs-dashboard{
        flex-direction:column;
    }

    .cs-sidebar,
    .cs-artist-sidebar,
    .cs-client-sidebar,
    .cs-studio-sidebar{

        position:fixed;

        top:0;
        right:0;

        width:280px;
        height:100vh;

        transform:translateX(100%);

        transition:
            transform .35s ease;

        z-index:1001;

        overflow-y:auto;

        background:
            rgba(20,12,40,.94);

        backdrop-filter:blur(20px);
    }

    .cs-sidebar.active,
    .cs-artist-sidebar.active,
    .cs-client-sidebar.active,
    .cs-studio-sidebar.active{

        transform:translateX(0);
    }

    .cs-dashboard-main,
    .cs-artist-main,
    .cs-client-main,
    .cs-studio-main{
        padding:20px;
    }

    .cs-stats-row{
        grid-template-columns:
            repeat(2,1fr);

        gap:12px;
    }

    .cs-mini-player{

        flex-direction:column;

        align-items:stretch;
    }

    .cs-track-row{

        grid-template-columns:
            45px 55px 1fr;
    }

    .track-duration,
    .track-action{
        display:none;
    }

    .cs-section-head{

        flex-direction:column;

        align-items:flex-start;

        gap:8px;
    }

    #csFloatingUploader{

        left:15px;
        right:15px;

        width:auto;

        bottom:90px;
    }
}

@media (max-width:480px){

    .cs-dashboard-hero{
        padding:28px 22px;
    }

    .cs-dashboard-hero h1{
        font-size:1.9rem;
    }

    .cs-stat-card{
        min-height:100px;
    }
}

/* ==============================
TRACKS FILTERING SYSTEM 
===============================*/
/* =========================================
TRACK LIBRARY HEADER
========================================= */

.cs-library-header {
    margin-bottom: 28px;
    padding: 24px;
    border-radius: 22px;

    background:
        linear-gradient(135deg, #120a1f, #1b1333);

    border: 1px solid rgba(245,179,1,.12);

    box-shadow:
        0 20px 40px rgba(0,0,0,.35),
        inset 0 1px 0 rgba(255,255,255,.03);
}

/* title row */
.cs-library-top {
    margin-bottom: 18px;
}

.cs-library-title-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.cs-library-title-wrap h2 {
    margin: 0;
    font-size: 26px;
    color: #fff;
    font-weight: 700;
}

.cs-track-count {
    padding: 6px 12px;
    border-radius: 999px;

    background: rgba(245,179,1,.08);
    border: 1px solid rgba(245,179,1,.18);

    color: #f5b301;
    font-size: 13px;
    font-weight: 600;
}

/* controls */
.cs-library-controls {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

/* search */
.cs-search-wrap {
    position: relative;
    flex: 1;
    min-width: 260px;
}

.cs-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);

    color: #f5b301;
    font-size: 18px;
    pointer-events: none;
}

.cs-track-search {
    width: 100%;
    padding: 14px 18px 14px 48px;

    border-radius: 16px;
    border: 1px solid rgba(245,179,1,.14);

    background: rgba(255,255,255,.03);
    color: #fff;

    outline: none;
    font-size: 15px;

    transition: all .25s ease;
}

.cs-track-search::placeholder {
    color: #bbb;
}

.cs-track-search:focus {
    border-color: #f5b301;

    box-shadow:
        0 0 0 4px rgba(245,179,1,.08),
        0 0 20px rgba(245,179,1,.12);
}

/* sort */
.cs-track-sort {
    min-width: 180px;
    padding: 14px 16px;

    border-radius: 16px;
    border: 1px solid rgba(157,77,255,.18);

    background: rgba(255,255,255,.03);
    color: #fff;

    outline: none;
    cursor: pointer;
    font-size: 14px;

    transition: all .25s ease;
}

.cs-track-sort:focus,
.cs-track-sort:hover {
    border-color: #9d4dff;
    box-shadow: 0 0 20px rgba(157,77,255,.15);
}

/* =========================================
MOBILE
========================================= */

@media (max-width: 768px) {

    .cs-library-header {
        padding: 18px;
    }

    .cs-library-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .cs-search-wrap {
        width: 100%;
        min-width: 100%;
    }

    .cs-track-sort {
        width: 100%;
        min-width: 100%;
    }

    .cs-library-title-wrap h2 {
        font-size: 22px;
    }
}