/* ==========================================================================
   XEEIN Music - Master Stylesheet (v1.4 - Final Flawless Layout)
   Centralized Design System for Spaceship Hosting
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&display=swap');

:root { 
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #050505 100%);
    --card-bg: rgba(255, 255, 255, 0.05); 
    --sidebar-bg: #0a0a0a; 
    --accent-color: #3b82f6; 
    --accent-hover: #2563eb; 
    --success-color: #10b981; 
    --danger-color: #ef4444; 
    --warning-color: #f59e0b;
    --text-color: #ffffff; 
    --text-muted: #a0aec0; 
    --border-color: rgba(255, 255, 255, 0.1); 
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Segoe UI', Roboto, sans-serif;
}

/* --- Base Reset --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    background: var(--bg-gradient);
    background-attachment: fixed;
    font-family: var(--font-secondary); 
    overflow-x: hidden; 
    min-height: 100vh;
    opacity: 0.98;
}


#nav-list {
    display: flex;
}


/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-primary); }

/* --- Force Hide Old Mobile Top Bar --- */
.mobile-top-bar { display: none !important; }

/* --- Global Header & Footer Styles --- */
.xeein-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 260px; /* Offset for Desktop Sidebar */
    height: 75px;
    z-index: 998; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: left 0.3s ease;
}

.header-left { display: flex; align-items: center; gap: 15px; }
#header-hamburger { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }
.logo-text { font-size: 16px; font-weight: 800; letter-spacing: 1px; color: #fff; font-family: var(--font-primary); }

.xeein-nav ul { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; align-items: center;  }
.nav-text-link { text-decoration: none; color: var(--text-muted); font-size: 14px; font-weight: 600; transition: 0.3s; }
.nav-text-link:hover { color: #fff; }

.login-btn { 
    background: var(--accent-color) !important; padding: 10px 20px !important; 
    border-radius: 8px; color: white !important; font-weight: bold; 
    text-transform: uppercase; font-size: 12px !important; text-decoration: none;
}
.login-btn:hover { background: var(--accent-hover) !important; }

/* Profile Elements */
.header-profile-box { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 13px; font-weight: bold; }
.header-profile-img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover; border: 2px solid var(--danger-color); }

.header-profile-name { display: none !important; }

.xeein-footer {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 260px; 
    z-index: 998;
    text-align: center;
    padding: 15px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    transition: left 0.3s ease;
}
.xeein-footer p { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; margin: 0; }

/* --- Layout: Sidebar & Dashboard --- */
.dashboard-wrapper { display: flex; min-height: 100vh; }
.main-content { 
    flex: 1; 
    margin-left: 260px; 
    width: calc(100% - 260px); 
    box-sizing: border-box;
    padding: 100px 40px 80px 40px; 
}

.sidebar { 
    position: fixed; 
    top: 0; /* FIX FOR PC GAP ISSUE */
    left: 0;
    width: 260px; 
    height: 100vh; 
    background: var(--sidebar-bg); 
    border-right: 1px solid var(--border-color); 
    display: flex; 
    flex-direction: column; 
    overflow-y: auto; 
    z-index: 999; 
    backdrop-filter: blur(10px); 
    transition: transform 0.3s ease; 
}
.brand-logo { padding: 30px 20px; text-align: center; border-bottom: 1px solid var(--border-color); }
.brand-logo h2 { font-size: 24px; font-weight: 800; color: #fff; letter-spacing: 1px; } 
.brand-logo span { color: var(--danger-color); }

.sidebar-nav { flex: 1; padding: 20px 0; }
.sidebar-nav-title { padding: 10px 25px; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.nav-link { 
    display: flex; align-items: center; justify-content: space-between; 
    padding: 15px 25px; color: var(--text-muted); text-decoration: none; 
    font-size: 14px; font-weight: 600; border-left: 4px solid transparent; transition: 0.2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-link.active { color: #fff; background: rgba(59, 130, 246, 0.1); border-left: 4px solid var(--accent-color); }

.sidebar-footer { padding: 20px; border-top: 1px solid var(--border-color); text-align: center; }
.user-name { font-weight: 600; color: #fff; font-size: 15px; display: block; margin-bottom: 15px; }
.logout-btn { 
    width: 100%; padding: 10px; background: transparent; 
    border: 1px solid var(--border-color); color: var(--text-muted); 
    border-radius: 6px; cursor: pointer; font-weight: 600; transition: 0.3s;
}
.logout-btn:hover { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); border-color: var(--danger-color); }
.badge { background: var(--danger-color); color: #fff; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: bold; margin-left: 10px; }

/* --- Page Headers --- */
.content-header { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
.content-header h1 { font-size: 28px; color: #fff; margin-bottom: 8px; letter-spacing: 1px; text-transform: uppercase; }
.content-header p { color: var(--text-muted); font-size: 15px; }

/* --- Forms & Inputs --- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.input-group { display: flex; flex-direction: column; }
.input-group label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; text-transform: uppercase; }
.input-group input, .input-group select, .input-group textarea, .modal-input { 
    width: 100%; padding: 12px; background: rgba(0,0,0,0.3); 
    border: 1px solid var(--border-color); border-radius: 8px; 
    color: #fff; font-size: 14px; outline: none; transition: 0.3s ease; 
}
.input-group input:focus, .input-group select:focus, .input-group textarea:focus, .modal-input:focus { 
    border-color: var(--accent-color); background: rgba(0,0,0,0.5); 
}

/* --- File Upload Cards --- */
.file-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.file-upload-card { background: rgba(0,0,0,0.2); border: 1px dashed var(--border-color); border-radius: 10px; padding: 20px; text-align: center; cursor: pointer; transition: 0.3s; }
.file-upload-card:hover { border-color: var(--accent-color); background: rgba(59, 130, 246, 0.05); }
.file-drop-area { position: relative; padding: 20px; border-radius: 8px; }
.file-drop-area input[type="file"], .file-upload-card input[type="file"] { position: absolute; opacity: 0; width: 100%; height: 100%; left: 0; top: 0; cursor: pointer; }
.file-msg { color: var(--accent-color); font-weight: 600; font-size: 13px; margin-top: 10px; word-break: break-all; }

/* --- Buttons --- */
.submit-btn { 
    width: 100%; padding: 16px; background: var(--accent-color); 
    border: none; border-radius: 8px; color: white; font-size: 15px; 
    font-weight: 700; cursor: pointer; margin-top: 20px; transition: 0.3s; 
    letter-spacing: 1px; text-transform: uppercase;
}
.submit-btn:hover { background: var(--accent-hover); box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4); transform: translateY(-2px); }

/* --- Modals & Loaders --- */
.loading-overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(5,5,5,0.9); z-index: 9999; display: none; 
    flex-direction: column; justify-content: center; align-items: center; 
    backdrop-filter: blur(5px); 
}
.spinner { 
    width: 60px; height: 60px; border: 5px solid var(--border-color); 
    border-top-color: var(--accent-color); border-radius: 50%; 
    animation: spin 1s linear infinite; margin-bottom: 15px; 
}
.loading-text { color: #fff; font-size: 16px; font-weight: 600; letter-spacing: 1px; }
@keyframes spin { 100% { transform: rotate(360deg); } }

.custom-modal-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: 10000; backdrop-filter: blur(5px); 
}
.custom-modal-box { 
    background: #111; padding: 30px; border-radius: 16px; text-align: center; 
    width: 90%; max-width: 400px; border: 1px solid var(--border-color); 
    box-shadow: 0 15px 35px rgba(0,0,0,0.8); position: relative; max-height: 90vh; overflow-y: auto;
}
.modal-title { font-size: 22px; color: #fff; margin-bottom: 10px; font-weight: 700; }
.modal-message { color: var(--text-muted); font-size: 14px; line-height: 1.5; margin-bottom: 20px; }
.modal-btn { background: var(--accent-color); color: #fff; border: none; padding: 12px 30px; border-radius: 8px; cursor: pointer; font-weight: bold; width: 100%; }
.close-modal-btn { position: absolute; top: 15px; right: 15px; background: rgba(255,255,255,0.1); border: none; color: #fff; font-size: 16px; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; transition: 0.2s; z-index: 20; }
.close-modal-btn:hover { background: var(--danger-color); }

/* --- Responsive Adjustments (Mobile Overlap Fix) --- */
@media (max-width: 900px) {
    .xeein-header { left: 0; width: 100%; padding: 0 15px; height: 70px; }
    
    /* Header Right side layout */
    .header-right-controls { display: flex; align-items: center; gap: 15px; margin-left: auto; }
    #header-hamburger { display: block !important; margin-left: 10px; }
    #nav-list {display: flex; flex-direction: row;}
    
    .xeein-nav ul { gap: 10px; }
    .nav-text-link { font-size: 11px; max-width: 65px; display: inline-block; line-height: 1.2; text-align: center; }
    .login-btn { padding: 8px 12px !important; font-size: 10px !important; }
    
    /* Profile hiding */
    .header-profile-name { display: none !important; }
    
    
    .header-profile-box { gap: 5px; }
    .header-profile-img { width: 30px; height: 30px; }
    
    /* Footer & Content */
    .xeein-footer { left: 0; width: 100%; }
    .main-content { margin-left: 0; width: 100%; padding: 90px 15px 80px 15px; }
    
    /* Sidebar Fixes */
    .sidebar { 
        transform: translateX(-100%); 
        height: 100dvh; 
        overflow-y: hidden; 
        padding-bottom: 15px;
    }
    .sidebar.open { transform: translateX(0); }
    
    .brand-logo { padding: 15px 20px; }
    .brand-logo h2 { font-size: 20px; }
    .sidebar-nav { padding: 10px 0; }
    .sidebar-nav-title { padding: 5px 25px; }
    .nav-link { padding: 10px 25px; font-size: 13px; }
    .sidebar-footer { padding: 15px 20px; border-top: none; } 
    .user-name { margin-bottom: 10px; font-size: 14px; }
    .logout-btn { padding: 8px; font-size: 12px; }

    .form-grid, .file-grid { grid-template-columns: 1fr; }
}