html,body {
    background-color: #e5e7eb !important;
    height: 100%;
}

body {
    font-size: 1rem;
    color: #253049;
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    color: #0f172a;
    font-weight: lighter;
}
b {
    color: #0f172a;
}
hr {
    height: 1px;
    border: none;
    background-color: #e5e7eb;
}

#root {
    padding: 0;
    margin: 0 auto;
    text-align: center;
}

h1 {
    font-weight: lighter;
    color: #0f172a;
}

input {
    font-size: 1rem;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    color: #111827;
    outline: none;
    width: 100%;
    box-sizing: border-box;

    transition: all .2s ease;
}

input::placeholder {
    color: #9ca3af;
}

input:focus {
    border-color: #9ca3af;
}

.form-line {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
}

.form-line div {
    display: block;
    box-sizing: border-box;
    width: 300px;
    text-align: left;
    cursor: pointer;
    margin-bottom: 1rem;
}

.form-line input {
    width: 100%;
}

.primary-button {
    background: #0f172a; /* тёмно-синий как Tailwind slate-900 */
    color: #fff;
    border: none;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .15);
    transition: all .2s ease;
}

.primary-button:hover {
    background: #111827;
    transform: translateY(-1px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .18);
}

.primary-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
}

.paper {
    display: inline-block;
    background: #ffffff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
    align-self: center;
}