/* Reset some defaults */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #f5f6fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    margin-bottom: 1.5rem;
    color: #2f3640;
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

input {
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid #dcdde1;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: #4cd137;
    box-shadow: 0 0 5px rgba(76, 209, 55, 0.5);
}

button {
    padding: 0.8rem;
    border: none;
    border-radius: 8px;
    background-color: #4cd137;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background-color: #44bd32;
}

#result, #error {
    margin-top: 1rem;
}

.hidden {
    display: none;
}

#shortUrl {
    color: #40739e;
    font-weight: bold;
    word-break: break-all;
}

.short-url-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

#copyBtn {
    border: none;
    background: #dcdde1;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.2s;
}

#copyBtn:hover {
    background: #7f8fa6;
    color: #fff;
}

.range-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0rem;
}

#range{
    padding: 0;
}