*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.75), transparent 34%),
        linear-gradient(160deg, #74b9ff 0%, #a8d8ff 42%, #dff2ff 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #163043;
    padding: 24px 16px;
    transition: background 0.35s ease;
}

body.theme-clear{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.9), transparent 32%),
        linear-gradient(160deg, #7fd6ff 0%, #9be7ff 40%, #effbff 100%);
}

body.theme-rain{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.25), transparent 30%),
        linear-gradient(160deg, #58748e 0%, #7190a5 40%, #c7d7e2 100%);
}

body.theme-clouds{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.4), transparent 30%),
        linear-gradient(160deg, #8da7be 0%, #b8cad9 45%, #edf3f8 100%);
}

body.theme-snow{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.85), transparent 35%),
        linear-gradient(160deg, #adc8db 0%, #d7e8f3 42%, #f8fcff 100%);
}

body.theme-storm{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.15), transparent 30%),
        linear-gradient(160deg, #39455a 0%, #57647d 45%, #cad0de 100%);
}

body.theme-mist{
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.5), transparent 35%),
        linear-gradient(160deg, #96a9b5 0%, #bcc7ce 44%, #eef4f8 100%);
}

.container{
    background: rgba(255, 255, 255, 0.52);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 30px;
    border-radius: 30px;
    width: 90%;
    max-width: 860px;
    box-shadow: 0 20px 45px rgba(31, 77, 112, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

h1{
    margin-bottom: 8px;
    color: #0f4261;
    font-size: clamp(2rem, 5vw, 3.3rem);
}

.app-intro{
    margin-bottom: 22px;
}

.eyebrow{
    display: inline-flex;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    color: #17567e;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.intro-copy{
    color: #42657c;
    max-width: 620px;
    line-height: 1.55;
}

.search-panel{
    background: rgba(247, 252, 255, 0.58);
    border: 1px solid rgba(149, 191, 220, 0.45);
    border-radius: 24px;
    padding: 18px;
    margin-bottom: 20px;
}

.search-box{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 12px;
}

.field{
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: #325870;
    font-size: 0.95rem;
    font-weight: 600;
}

input,
select{
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(127, 170, 197, 0.8);
    border-radius: 16px;
    outline: none;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.85);
    color: #163043;
}

input:focus,
select:focus{
    border-color: #2f84b5;
    box-shadow: 0 0 0 3px rgba(47, 132, 181, 0.15);
}

button{
    padding: 12px 16px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, #2c86c9, #4ba8e7);
    color: white;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

button:hover{
    opacity: 0.96;
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(44, 134, 201, 0.24);
}

.button-row{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#unitBtn{
    background: linear-gradient(135deg, #4f9f71, #65be88);
}

#shareBtn{
    background: linear-gradient(135deg, #61718c, #8291a7);
}

.weather-card{
    background: linear-gradient(160deg, rgba(48, 134, 196, 0.88), rgba(104, 178, 224, 0.84));
    color: white;
    padding: 24px;
    border-radius: 28px;
    margin-bottom: 22px;
    box-shadow: 0 18px 35px rgba(33, 89, 125, 0.2);
    transition: background 0.35s ease, color 0.35s ease;
}

.weather-card.weather-clear{
    background: linear-gradient(160deg, rgba(64, 168, 255, 0.92), rgba(128, 214, 255, 0.88));
}

.weather-card.weather-rain{
    background: linear-gradient(160deg, rgba(83, 111, 141, 0.94), rgba(117, 144, 169, 0.88));
}

.weather-card.weather-clouds{
    background: linear-gradient(160deg, rgba(121, 146, 173, 0.94), rgba(162, 183, 205, 0.88));
}

.weather-card.weather-snow{
    background: linear-gradient(160deg, rgba(142, 178, 204, 0.94), rgba(202, 223, 236, 0.88));
    color: #11334a;
}

.weather-card.weather-storm{
    background: linear-gradient(160deg, rgba(61, 73, 98, 0.95), rgba(95, 109, 137, 0.88));
}

.weather-card.weather-mist{
    background: linear-gradient(160deg, rgba(129, 147, 160, 0.94), rgba(187, 199, 208, 0.88));
}

.weather-hero{
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.weather-status{
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.86;
    margin-bottom: 8px;
}

.weather-summary{
    max-width: 420px;
    line-height: 1.55;
}

.weather-card h2{
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 8px;
}

.weather-icon{
    font-size: clamp(3.5rem, 8vw, 5.4rem);
    line-height: 1;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.16));
}

.temperature-row{
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 18px;
}

.temperature-reading{
    font-size: clamp(3rem, 10vw, 5.6rem);
    font-weight: 700;
    line-height: 0.95;
}

.feels-like{
    font-size: 1rem;
    opacity: 0.92;
}

.details-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.detail-pill{
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    padding: 14px 16px;
    backdrop-filter: blur(12px);
}

.detail-pill span{
    display: block;
    font-size: 0.84rem;
    opacity: 0.82;
    margin-bottom: 6px;
}

.detail-pill strong{
    font-size: 1rem;
}

.forecast-section{
    background: rgba(247, 252, 255, 0.52);
    border-radius: 24px;
    border: 1px solid rgba(149, 191, 220, 0.35);
    padding: 20px;
}

.forecast-heading{
    margin-bottom: 14px;
}

.forecast-section h2{
    margin-bottom: 6px;
    color: #1f5f85;
    font-size: 22px;
}

.forecast-heading p{
    color: #57748a;
}

.forecast-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
    gap: 12px;
}

.forecast-card{
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(198, 223, 239, 0.9);
    border-radius: 20px;
    padding: 14px 12px;
    text-align: center;
    box-shadow: 0 12px 22px rgba(115, 155, 184, 0.1);
}

.forecast-card h3{
    color: #1f5f85;
    margin-bottom: 5px;
    font-size: 1rem;
}

.forecast-card p{
    margin: 5px 0;
}

.forecast-icon{
    font-size: 2rem;
    margin: 6px 0;
}

.forecast-card small{
    color: #5c677d;
    display: block;
    line-height: 1.4;
}

@media (max-width: 560px){
    body{
        align-items: flex-start;
    }

    .container{
        margin: 0;
        padding: 20px;
        width: 100%;
        border-radius: 24px;
    }

    .search-box{
        grid-template-columns: 1fr;
    }

    button{
        width: 100%;
    }

    .weather-hero{
        flex-direction: column;
    }

    .weather-icon{
        align-self: flex-start;
    }
}