@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

:root {
    --colore-primario: black;
    --colore-secondario: white;
    --colore-terziario: rgb(240, 240, 240);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--colore-secondario);
    min-height: 100dvh;
}

h1 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: clamp(1.1rem, 4vw, 1.6rem);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

/* ── HEADER ─────────────────────────────────────────────────────────────── */

header {
    width: 95vw;
    height: auto;
    padding: 14px 20px;
    background-color: var(--colore-primario);
    margin: 12px auto;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

header > svg {
    fill: var(--colore-secondario);
    color: var(--colore-secondario);
    flex-shrink: 0;
    width: 22px;
    height: 22px;
}

header > h1 {
    color: var(--colore-secondario);
}

/* ── MAIN ────────────────────────────────────────────────────────────────── */

main {
    width: 100vw;
    min-height: 88dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 24px 0;
}

main > section {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── BOTTONE PLAY / PAUSA ────────────────────────────────────────────────── */

#toggleRadio {
    width: 150px;
    height: 150px;
    background-color: var(--colore-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

#toggleRadio:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

#toggleRadio:active {
    transform: scale(0.97);
}

/* Icona pausa — nascosta di default */
.isPlaying {
    display: none;
    align-items: center;
    justify-content: center;
}

.isPlaying > svg {
    fill: var(--colore-secondario);
    color: var(--colore-secondario);
    width: 68px;
    height: 68px;
    transition: all 0.25s ease;
}

/* Icona play — visibile di default */
.isPaused {
    display: flex;
    align-items: center;
    justify-content: center;
}

.isPaused > svg {
    fill: var(--colore-secondario);
    color: var(--colore-secondario);
    width: 68px;
    height: 68px;
    transition: all 0.25s ease;
}

/* Stato: in riproduzione */
#toggleRadio.playing {
    background-color: var(--colore-terziario);
    border-color: var(--colore-primario);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
}

#toggleRadio.playing .isPlaying {
    display: flex;
}

#toggleRadio.playing .isPaused {
    display: none;
}

#toggleRadio.playing svg {
    fill: var(--colore-primario);
    color: var(--colore-primario);
}

/* ── ALBUM CARD ──────────────────────────────────────────────────────────── */

.albumCard {
    width: 90%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    padding: 14px;
    border-radius: 14px;
    background-color: var(--colore-terziario);
}

.albumImage {
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: 8px;
    background-color: var(--colore-primario);
    opacity: 0;
    overflow: hidden;
    transform: opacity 0.3s ease;
}

.albumInfo {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.albumTitle {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    color: var(--colore-primario);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.albumArtist {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 0.82rem;
    color: var(--colore-primario);
    opacity: 0.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}