.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.login-card{background-color:#0009;border-radius:10px;padding:40px;text-align:center;box-shadow:0 8px 24px #00000080;max-width:500px;width:100%}.spotify-logo{width:180px;margin-bottom:20px}.login-card h1{margin-bottom:20px;font-size:28px;font-weight:700}.login-card p{margin-bottom:30px;color:var(--medium-gray);font-size:16px}.login-btn{padding:15px 30px;font-size:18px;align-items:center;justify-content:center;gap:10px}.login-btn i{font-size:24px}.profile-container{padding:20px 0}.profile-card{background-color:#0000004d;border-radius:10px;padding:30px;margin:0 auto;max-width:600px}.profile-header{display:flex;flex-direction:column;align-items:center;margin-bottom:30px;text-align:center}.profile-image{width:150px;height:150px;border-radius:50%;object-fit:cover;margin-bottom:15px;border:3px solid var(--spotify-green)}.profile-header h1{font-size:28px;margin-bottom:5px}.profile-details{display:flex;flex-direction:column;gap:15px}.detail-item{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}.detail-label{color:var(--medium-gray);font-size:16px;font-weight:500}.detail-value{font-size:16px}.spotify-link{color:var(--spotify-green);text-decoration:none;display:inline-flex;align-items:center;gap:5px}.spotify-link:hover{text-decoration:underline}.top-items-container{padding:20px 0}.page-title{text-align:center;font-size:32px;margin-bottom:20px;font-weight:700}.tracks-table-container{overflow-x:auto}.tracks-table{width:100%;background-color:#0000004d;border-radius:8px;overflow:hidden}.track-image{width:50px;height:50px;object-fit:cover;border-radius:4px}.artists-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:20px}.artist-card{display:block;text-decoration:none;color:#fff;background-color:#0000004d;border-radius:8px;overflow:hidden;transition:transform .2s,box-shadow .2s;position:relative}.artist-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0006}.artist-image{width:100%;aspect-ratio:1;object-fit:cover}.artist-info{padding:15px;position:relative}.artist-rank{position:absolute;top:-30px;left:10px;background-color:var(--spotify-green);color:#fff;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.artist-name{margin:0;font-size:18px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.spotify-link{color:#fff;text-decoration:none;transition:color .2s}.spotify-link:hover{color:var(--spotify-green)}.navbar{background-color:#000c;padding:15px 0;position:sticky;top:0;z-index:100}.nav-container{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}.nav-logo a,.nav-logo span{color:var(--spotify-green);text-decoration:none;font-size:20px;font-weight:700;display:flex;align-items:center;gap:8px}.nav-logo i{font-size:24px}.nav-menu{display:flex;list-style:none;gap:20px}.nav-menu li a{color:#fff;text-decoration:none;font-size:16px;font-weight:500;padding:8px 12px;border-radius:4px;display:flex;align-items:center}.nav-menu li a i.fab.fa-github{font-size:20px;transition:color .2s ease}.nav-menu li a:hover i.fab.fa-github{color:var(--spotify-green)}.nav-menu li span{color:#fff;text-decoration:none;font-size:16px;font-weight:500;padding:8px 16px;border-radius:20px;background-color:#ffffff1a;cursor:pointer;transition:all .2s ease;display:inline-block}.nav-menu li.active a{color:var(--spotify-green);background-color:#1db9541a}.nav-menu li.active span{color:#000;background-color:var(--spotify-green)}.nav-menu li a:hover{color:var(--spotify-green)}.nav-menu li span:hover{background-color:var(--spotify-green);color:#000;transform:scale(1.05)}.nav-user{display:flex;align-items:center;gap:12px}.user-avatar{width:30px;height:30px;border-radius:50%;object-fit:cover}.username{font-size:14px;font-weight:500;display:none}@media (min-width: 768px){.username{display:inline}}@media (max-width: 768px){.nav-container{flex-direction:column;gap:15px}.nav-menu{margin:10px 0;width:100%;justify-content:center}.nav-user{width:100%;justify-content:center}}:root{--spotify-green: #1DB954;--spotify-black: #191414;--light-gray: #f0f0f0;--medium-gray: #b3b3b3;--dark-gray: #535353}*{box-sizing:border-box;margin:0;padding:0;font-family:Helvetica Neue,Arial,sans-serif}body{background-color:var(--spotify-black);color:#fff}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{cursor:pointer;border:none;border-radius:30px;padding:12px 30px;font-size:16px;font-weight:700;transition:all .2s ease}.btn-primary{background-color:var(--spotify-green);color:#fff}.btn-primary:hover{transform:scale(1.05);background-color:#1ed760}.btn-logout{background-color:transparent;color:#fff;border:2px solid white;padding:8px 16px;font-size:14px}.btn-logout:hover{background-color:#ffffff1a}table{width:100%;border-collapse:collapse;margin:20px 0}th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--dark-gray)}th{background-color:#0000004d;color:var(--medium-gray);font-weight:600}tr:hover{background-color:#ffffff0d}.time-range-selector{display:flex;justify-content:center;margin:20px 0}.time-range-selector button{background:none;border:none;color:var(--medium-gray);padding:10px 15px;cursor:pointer;margin:0 5px;font-size:14px;border-radius:4px}.time-range-selector button.active{color:#fff;background-color:#ffffff1a}.loading-spinner{display:flex;justify-content:center;align-items:center;height:200px}.loading-spinner i{color:var(--spotify-green);font-size:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-message{color:#ff5252;background-color:#ff52521a;padding:10px 15px;border-radius:4px;margin:10px 0}