:root{--text-dark: #333333;--text-light: #666666;--bg-card: #ffffff;--border-radius: 16px;--box-shadow: 0 10px 30px rgba(0, 0, 0, .1);--box-shadow-hover: 0 15px 35px rgba(0, 0, 0, .15)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;min-height:100vh;transition:background-color .5s ease}body,.theme-default{background-color:#2196f3;color:#fff}.theme-clear{background-color:#f57c00;color:#fff}.theme-clouds{background-color:#78909c;color:#fff}.theme-rain{background-color:#303f9f;color:#fff}.theme-thunderstorm{background-color:#311b92;color:#fff}.theme-snow{background-color:#81d4fa;color:#222}.theme-snow .app-header h1,.theme-snow .app-header p,.theme-snow .forecast-title,.theme-snow .history-label{color:#222}.solid-card{background-color:var(--bg-card);border-radius:var(--border-radius);box-shadow:var(--box-shadow);color:var(--text-dark);transition:box-shadow .3s ease}.app-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem;display:flex;align-items:center;justify-content:center;gap:15px;color:inherit}.app-header p{font-size:1.1rem;opacity:.9}.content-wrapper{display:flex;flex-direction:column;gap:2rem}