:root {
    font-size: 62.5%; /* 1rem = 10px */

    --color-primary: #19325A;
    --color-secondary: hsl(358, 78%, 69%);
    --color-font: hsla(0, 0%, 100%, 0.902);

    --color-shadow: #254569;
}

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

html, body {
    height: 100%;
    background-color: var(--color-primary);
    font-size: 1.6rem;
    font-family: 'Lato', sans-serif;
}

p,
i,
h1 {
    color: var(--color-font);
}

i {
    font-size: 3.2rem;
}

h1 {
    font-size: 3.2rem;
}

.logo {
    margin-bottom: 5px;
}

.title {
    color:white;
    font-weight: lighter;
    font-style: italic;
}

/* ==== CONTENT ==== */

section {
    display: flex;
    align-items: center;
    height: 100%;
}

.container {
    width: min(42.5rem, 100%);
    margin-inline: auto;
    padding-inline: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.painel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    text-align: center;
    width: 20rem;
    margin-block: 5rem;
    padding: 1rem;
    border-radius: 10rem;
    -webkit-box-shadow: 0px 0px 15px 10px var(--color-shadow); 
    box-shadow: 0px 0px 15px 10px var(--color-shadow);
}

.painel p {
    opacity: .8;
    transition: 1s ease-in;
}

.painel p.active {
    opacity: 1;
    color: var(--color-secondary);
}

.timer {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    -webkit-box-shadow: 0px 0px 15px 10px var(--color-shadow); 
    box-shadow: 0px 0px 15px 10px var(--color-shadow);
}

.circle {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    background-color: var(--color-secondary);
    position: relative;
}

.timer {
    position: relative;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    background: conic-gradient(var(--color-secondary) 0% 0%, var(--color-primary) 0% 100%);
    -webkit-box-shadow: 0px 0px 15px 10px var(--color-shadow); 
    box-shadow: 0px 0px 15px 10px var(--color-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 1s linear;
}

.circle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    background-color: var(--color-primary);
    transform: translate(-50%, -50%);
}


.circle::before {
    content: '';
    position: absolute;
    width: 95%;
    height: 95%;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.time {
    position: relative;
    display: flex;
    flex-direction: row;
}

.time p {
    font-size: 5.6rem;
}

.time p:nth-of-type(2) {
    position: relative;
    top: -.5rem;
    margin-inline: 1rem;
}

.controls {
    margin-top: 3rem;
}

.controls button {
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.controls #reset {
    display: none;
}