:root{--color-primary: #112d4e;--color-secondary: #3f72a3;--color-accent: #679bcb;--color-light: #e6e6e6;--color-white: #ffffff;--color-dark: #02021f;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--border-radius: 12px;--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Roboto,sans-serif;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);min-height:100vh;color:var(--color-light)}.weather-app{max-width:800px;margin:0 auto;padding:2rem 1rem;min-height:100vh}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--color-white),var(--color-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.app-subtitle{color:var(--color-light);opacity:.8;font-size:1rem}.tab-container{display:flex;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:.25rem;margin-bottom:2rem}.tab{flex:1;padding:.75rem 1rem;text-align:center;background:transparent;border:none;color:var(--color-light);font-weight:500;cursor:pointer;border-radius:8px;transition:var(--transition)}.tab.current-tab{background:var(--color-white);color:var(--color-primary);box-shadow:var(--shadow)}.tab:hover:not(.current-tab){background:#ffffff1a}.search-form{margin-bottom:2rem}.search-input-container{display:flex;gap:.5rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:.5rem}.search-input{flex:1;background:transparent;border:none;color:var(--color-white);font-size:1rem;padding:.75rem 1rem;outline:none}.search-input::placeholder{color:#ffffffb3}.search-btn{background:var(--color-accent);border:none;border-radius:8px;padding:.75rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.search-btn:hover:not(:disabled){background:var(--color-secondary);transform:translateY(-2px)}.search-btn:disabled{opacity:.6;cursor:not-allowed}.search-icon{width:20px;height:20px;filter:brightness(0) invert(1)}.weather-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:2rem;box-shadow:var(--shadow)}.weather-header{text-align:center;margin-bottom:2rem}.location{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:.5rem}.city-name{font-size:2rem;font-weight:600}.country-flag{width:30px;height:20px;border-radius:2px}.weather-description{text-transform:capitalize;font-size:1.1rem;opacity:.9}.weather-main{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:2rem}.weather-icon{width:100px;height:100px}.temperature{font-size:3.5rem;font-weight:700}.parameter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.parameter-card{background:#ffffff1a;border-radius:var(--border-radius);padding:1.5rem;display:flex;align-items:center;gap:1rem;transition:var(--transition)}.parameter-card:hover{transform:translateY(-2px);background:#ffffff26}.parameter-icon{width:40px;height:40px}.parameter-info{display:flex;flex-direction:column}.parameter-label{font-size:.9rem;opacity:.8;margin-bottom:.25rem}.parameter-value{font-size:1.25rem;font-weight:600}.grant-location{text-align:center;padding:3rem 2rem}.grant-icon{width:80px;height:80px;margin-bottom:1.5rem;opacity:.8}.grant-title{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.grant-description{opacity:.8;margin-bottom:2rem;line-height:1.5}.grant-btn{background:var(--color-accent);color:var(--color-white);border:none;border-radius:var(--border-radius);padding:.75rem 2rem;font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition)}.grant-btn:hover{background:var(--color-secondary);transform:translateY(-2px)}.loading-spinner{text-align:center;padding:3rem 2rem}.spinner{width:60px;height:60px;margin-bottom:1rem}.loading-text{font-size:1.1rem;opacity:.8}.error-container{text-align:center;padding:3rem 2rem}.error-image{width:100px;height:100px;margin-bottom:1.5rem;opacity:.7}.error-message{font-size:1.1rem;opacity:.8}@media(max-width:768px){.weather-app{padding:1rem}.app-header h1{font-size:2rem}.temperature{font-size:2.5rem}.parameter-grid{grid-template-columns:1fr}.weather-main{flex-direction:column;text-align:center}}@media(max-width:480px){.tab-container{flex-direction:column}.weather-card{padding:1.5rem}.city-name{font-size:1.5rem}.temperature{font-size:2rem}}