/* Reset y configuración base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%;
}

body{    
    text-align: center;
    background-color: hsl(169, 68%, 85%);
    font-family: Helvetica, sans-serif;
    display: grid;
    min-height: 100dvh;
    grid-template-rows: auto 1fr auto;
}

header {
    margin: 1rem 0;
    padding: 5px;
    /* background-color: hsl(227, 29%, 75%); */
    background-color: hsl(169, 68%, 55%);
}

header p {
    font-size: 1.2rem;
    padding: 5px;    
}

h1 {    
    font-size: 3rem;
}

.control-panel {    
    font-size: 1.1rem;
    line-height: 1.8;
}


#btn-generator {
    color: #FFFFFF;
    font-size: x-large;
    border-radius: 25px;
    box-shadow: 1px 3px hsl(227, 29%, 60%);
    width: 25rem;
    height: 2.5rem;
    margin: 1rem 0;
    background-color: hsl(227, 29%, 75%);
    border: solid 1px hsl(227, 29%, 90%);
    cursor: pointer;
}

#btn-generator:hover {
    transform: scale(1.02);
    color: hsl(180, 94%, 31%);
}

#btn-download {
    color: #FFFFFF;
    font-size: 1rem;
    border-radius: 25px;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 0 10px;
    height: 2rem;
    background-color: hsl(150, 29%, 50%);
    border: none;
    cursor: pointer;
    transition: transform 0.1s;
}

#btn-download:hover {
    transform: scale(1.05);
    background-color: hsl(150, 29%, 40%);
    color: hsl(0, 50%, 0%);
}

.palette-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;    
}

.box-container{
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-end;
    height: 230px;
    background-color: #FFFFFF;
    width: 20%;
    max-width: 170px;
    min-width: 140px;
    margin: 10px;
    border: solid 2px white;
    position: relative; /* Importante para que el tooltip se ubique respecto a la caja */
}

.box-color {
    border: none;    
    height: 200px;
    margin-bottom: 5px;    
}

/* Estilos del Tooltip */
.copy-tooltip {
    position: absolute;
    top: -30px; /* Aparece arriba de la caja */
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 25px;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none; /* Evita que el mouse interfiera con el tooltip */
    white-space: nowrap;
    z-index: 10;
}

/* Clase para mostrar el tooltip */
.copy-tooltip.show {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

/* Estilos base del botón de bloqueo */
.lock-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Estado inicial: Invisible */
    opacity: 0;
    transition: opacity 0.2s ease-in-out, transform 0.2s ease;
    z-index: 5;
}

/* 1. Aparece cuando pasamos el mouse sobre el contenedor */
.box-container:hover .lock-btn {
    opacity: 1;
}

/* 2. Permanece visible si el color está bloqueado (aunque no esté el mouse) */
.box-container.locked .lock-btn {
    opacity: 1;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.lock-btn:active {
    transform: scale(0.9);
}

footer {
    background-color: hsl(169, 68%, 75%);
}

.copyright-data {
    display: flex;
    justify-content: space-between;
    margin: 10px 40px;
}