/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
    --bg-dark: #0f111a;
    --bg-gradient: radial-gradient(circle at top right, #25121b 0%, #11111a 40%, var(--bg-dark) 100%);
    --glass-bg: rgba(20, 22, 35, 0.4);
    --glass-bg-hover: rgba(40, 42, 60, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);

    --text-main: #ffffff;
    --text-muted: #94a3b8;

    --accent: #E11D48;
    /* Crimson / Red */
    --accent-hover: #BE123C;
    --accent-glow: rgba(225, 29, 72, 0.4);

    --sidebar-width: 280px;
    --header-height: 87.71px;
    --player-height: 100px;
    --logo-width: 200px;
    --font-family: 'Outfit', sans-serif;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    overflow-x: hidden;
}

/* =========================================
   LIGHT THEME OVERRIDES
   ========================================= */
body.light-theme {
    --bg-dark: #f8fafc;
    --bg-gradient: radial-gradient(circle at top right, #fff1f2 0%, #f1f5f9 40%, var(--bg-dark) 100%);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-bg-hover: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.08);

    --text-main: #0f172a;
    --text-muted: #64748b;

    --accent: #E11D48;
    --accent-hover: #BE123C;
    --accent-glow: rgba(225, 29, 72, 0.25);
}

body.light-theme .logo-main,
body.light-theme .logo-sidebar {
    filter: drop-shadow(0 2px 10px rgba(255, 0, 0, 0.15));
}

body.light-theme .search-box {
    background: rgba(0, 0, 0, 0.04);
}

body.light-theme .search-box:focus-within {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}

body.light-theme .search-btn {
    color: var(--text-main);
}

body.light-theme .icon-btn {
    color: var(--text-muted);
}

body.light-theme .icon-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--accent);
}

/* =========================================
   SIDEBAR
   ========================================= */
.sidebar {
    height: 100vh;
    height: 100dvh;
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-right: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-y: auto;
    transform: translateX(0);
    transition: transform var(--transition);
}

body.sidebar-toggled .sidebar {
    transform: translateX(-100%);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 25px;
    gap: 15px;
    border-bottom: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.logo-main,
.logo-sidebar {
    width: 150px;
    height: auto;
    /* Show native SVG red color with subtle shadow */
    filter: drop-shadow(0 2px 10px rgba(255, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.logo-sidebar:hover {
    transform: scale(1.05);
}

.sidebar nav {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 15px;
    flex: 1;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
    padding: 14px 20px;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.sidebar a i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
    transition: color 0.3s ease;
}

.sidebar a:hover,
.sidebar a.active {
    color: var(--text-main);
    background: var(--glass-bg-hover);
}

.sidebar a:hover i,
.sidebar a.active i {
    color: var(--accent);
}

/* Sidebar glowing indicator */
.sidebar a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--accent);
    border-radius: 4px;
    transition: height 0.3s ease, box-shadow 0.3s ease;
}

.sidebar a:hover::before,
.sidebar a.active::before {
    height: 60%;
    box-shadow: 0 0 10px var(--accent-glow);
}

.sidebar-footer {
    padding: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    border-top: 1px solid var(--glass-border);
    flex-shrink: 0;
}

/* =========================================
   OVERLAY
   ========================================= */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

/* MAIN CONTENT ADJUSTMENT FOR SIDEBAR */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left var(--transition), width var(--transition);
    position: relative;
    z-index: 10;
}

body.sidebar-toggled .main-content {
    margin-left: 0;
    width: 100%;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar-main {
    position: sticky;
    top: 0;
    height: var(--header-height);
    padding: 0 40px;
    width: calc(100% + 80px);
    margin-left: -40px;
    margin-bottom: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 30px;
    z-index: 100;
}

.hidden-desktop {
    display: none;
}

.navbar-main>.hamburger {
    display: none;
}

body.sidebar-toggled .navbar-main>.hamburger,
body.sidebar-toggled .navbar-main>.logo-main.hidden-desktop {
    display: flex;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 2001;
}

.hamburger span {
    display: block;
    height: 2.5px;
    width: 100%;
    background-color: var(--text-main);
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hamburger:hover span {
    background-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* Search Box */
.search-container {
    flex: 1;
    max-width: 450px;
    margin-left: auto;
}

.search-box {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
    align-items: center;
    padding: 4px 6px 4px 20px;
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.search-icon {
    color: var(--text-muted);
    font-size: 14px;
    margin-right: 12px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 15px;
    color: var(--text-main);
    padding: 8px 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background: transparent;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--accent);
    color: white;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* =========================================
   MEDIA QUERIES (RESPONSIVE)
   ========================================= */
@media screen and (max-width: 1024px) {
    .navbar-main {
        padding: 0 30px;
        width: calc(100% + 60px);
        margin-left: -30px;
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 768px) {
    body.sidebar-toggled {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100dvh;
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: 5px 0 30px rgba(0, 0, 0, 0.5);
    }

    body.sidebar-toggled .sidebar {
        transform: translateX(0);
    }

    body.sidebar-toggled .sidebar-overlay {
        opacity: 1;
        visibility: visible;
    }

    .main-content,
    body.sidebar-toggled .main-content {
        margin-left: 0;
        width: 100%;
        padding-left: 20px;
        padding-right: 20px;
    }

    .navbar-main {
        width: calc(100% + 40px);
        margin-left: -20px;
        margin-bottom: 20px;
        padding: 0 20px;
    }

    .navbar-main > .hamburger {
        display: flex;
    }

    .navbar-main > .logo-main.hidden-desktop {
        display: block;
    }

    .search-container {
        display: none;
    }
}