:root {
            --primary: #f5c310;
            --accent: #535353;
            --dark-bg: #0b0b0b;
            --card-bg: rgba(255, 255, 255, 0.04);
            --glass-bg: rgba(255, 255, 255, 0.12);
            --text-main: #ffffff;
            --text-dim: #a7a7a7;
            --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-main);
            line-height: 1.5;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            top: -15%; left: -10%;
            width: 50%; height: 50%;
            background: radial-gradient(circle, rgba(245, 195, 16, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        header {
            width: 100%;
            max-width: 1200px;
            padding: 30px 20px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .top-nav {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
            z-index: 100;
        }

        .nav-icon {
            width: 42px; height: 42px;
            display: flex; align-items: center; justify-content: center;
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--text-main);
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-icon:hover {
            background: var(--glass-bg);
            transform: translateY(-3px);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 5px 20px rgba(245, 195, 16, 0.2);
        }

        .nav-icon svg { width: 20px; height: 20px; fill: currentColor; }

        h1.logo {
            font-size: clamp(2.5rem, 8vw, 4rem);
            font-weight: 900;
            letter-spacing: -2px;
            background: linear-gradient(to bottom, #ffffff, #999999);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .description-container {
            max-width: 650px;
            margin: 0 auto;
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .subtitle-wrapper {
            max-height: 4.8em;
            overflow: hidden;
            transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            width: 100%;
        }

        .subtitle-wrapper::after {
            content: "";
            position: absolute;
            bottom: 0; left: 0;
            width: 100%; height: 40px;
            background: linear-gradient(to top, var(--dark-bg), transparent);
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .subtitle-wrapper.expanded { max-height: 600px; }
        .subtitle-wrapper.expanded::after { opacity: 0; }

        .subtitle {
            font-size: 1rem;
            color: var(--text-dim);
            font-weight: 400;
            line-height: 1.6;
            text-align: center;
        }

        .expand-btn-glass {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            cursor: pointer;
            z-index: 10;
            width: 40px; height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center; justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
            margin-top: 15px;
            position: relative;
        }

        .expand-pill {
            width: auto; height: 40px;
            padding: 0 20px;
            border-radius: 20px;
            gap: 10px;
        }

        .expand-pill .btn-label {
            font-size: 0.7rem;
            letter-spacing: 1.5px;
            font-weight: 700;
            color: var(--text-main);
        }

        .expand-btn-glass:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.05);
        }

        .row-expand-trigger {
            position: absolute;
            bottom: -20px; left: 50%;
            transform: translateX(-50%);
            z-index: 5;
        }

        .expand-btn-glass svg {
            width: 18px; height: 18px;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .expand-btn-glass.active svg { transform: rotate(180deg); }

        .main-content {
            width: 90%;
            max-width: 850px;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 12px;
            display: block;
            padding-left: 5px;
            opacity: 0.9;
        }

        .player-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 28px;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.7);
            margin-bottom: 50px;
            position: relative;
        }

        .player-container { border-radius: 18px; overflow: hidden; background: #000; }

        .featured-info {
            display: grid;
            grid-template-rows: 0fr;
            overflow: hidden;
            transition: grid-template-rows 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
            opacity: 0;
        }

        .featured-info-inner { min-height: 0; }

        .featured-info.open { grid-template-rows: 1fr; opacity: 1; }

        .featured-info h2 {
            font-size: 1.4rem;
            margin: 44px 0 12px;
            color: var(--text-main);
            font-weight: 800;
            letter-spacing: -0.5px;
            text-align: left;
        }

        .featured-desc {
            font-size: 0.9rem;
            color: var(--text-dim);
            line-height: 1.6;
            text-align: left;
            padding-bottom: 20px;
        }

        .history-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
            width: 100%;
        }

        .episode-row {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            transition: border-color 0.3s ease;
        }

        .episode-date {
            font-size: 0.7rem;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: block;
        }

        .episode-info-extra {
            display: grid;
            grid-template-rows: 0fr;
            overflow: hidden;
            transition: grid-template-rows 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
            opacity: 0;
        }

        .episode-info-inner { min-height: 0; }

        .episode-info-extra.open { grid-template-rows: 1fr; opacity: 1; }

        .episode-info-extra h3 {
            font-size: 1.2rem;
            margin: 35px 0 12px;
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.3;
        }

        .description-text {
            font-size: 0.9rem;
            color: var(--text-dim);
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .compact-player-wrapper { border-radius: 16px; overflow: hidden; background: #000; }

        .platforms { margin-top: 80px; text-align: center; }

        .platforms-title {
            font-size: 0.75rem;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 15px;
        }

        .btn {
            text-decoration: none;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
            transition: 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-block;
            margin: 6px;
        }

        .btn:hover { background: var(--text-main); color: var(--dark-bg); transform: scale(1.05); }

        .loading-status {
            color: var(--text-dim);
            font-size: 0.85rem;
            padding: 20px 0;
            text-align: center;
        }

        footer {
            padding: 60px 20px;
            text-align: center;
            opacity: 0.4;
            font-size: 0.8rem;
        }

        /* Tooltip email */
        .email-trigger {
            position: relative;
            cursor: pointer;
        }

        .email-tooltip {
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(-4px);
            background: rgba(20, 20, 20, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 12px;
            padding: 8px 10px 8px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.2s ease, transform 0.2s ease;
            z-index: 200;
            box-shadow: 0 8px 24px rgba(0,0,0,0.5);
        }

        .email-tooltip::before {
            content: "";
            position: absolute;
            top: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 10px; height: 5px;
            background: rgba(20,20,20,0.97);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        }

        .email-trigger:hover .email-tooltip,
        .email-tooltip.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .email-address {
            font-size: 0.78rem;
            color: var(--text-dim);
            letter-spacing: 0.3px;
        }

        .email-copy-btn {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 7px;
            color: var(--text-main);
            cursor: pointer;
            width: 28px; height: 28px;
            display: flex; align-items: center; justify-content: center;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .email-copy-btn:hover { background: var(--primary); border-color: var(--primary); color: #000; }
        .email-copy-btn svg { width: 13px; height: 13px; }
        .email-copy-btn.copied { background: #22c55e; border-color: #22c55e; color: #000; }

        /* Skeleton loader player Spotify */
        .player-container {
            border-radius: 18px;
            overflow: hidden;
            background: #000;
            position: relative;
        }

        .player-skeleton {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg,
                rgba(255,255,255,0.03) 25%,
                rgba(255,255,255,0.07) 50%,
                rgba(255,255,255,0.03) 75%);
            background-size: 200% 100%;
            animation: skeleton-wave 1.8s ease-in-out infinite;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
            transition: opacity 0.5s ease;
            z-index: 1;
        }

        .player-skeleton.hidden { opacity: 0; pointer-events: none; }

        /* Iframe parte invisibile, appare in crossfade quando skeleton scompare */
        #spotify-iframe {
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        #spotify-iframe.ready { opacity: 1; }

        .player-skeleton svg { opacity: 0.12; }

        @keyframes skeleton-wave {
            0%   { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        /* Card Telegram */
        .telegram-card {
            background: rgba(36, 161, 222, 0.07);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(36, 161, 222, 0.25);
            border-radius: 24px;
            padding: 28px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            text-decoration: none;
            color: var(--text-main);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 0 40px rgba(36, 161, 222, 0.06);
            position: relative;
            overflow: hidden;
        }

        .telegram-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(36, 161, 222, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .telegram-card:hover {
            background: rgba(36, 161, 222, 0.12);
            border-color: rgba(36, 161, 222, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 8px 40px rgba(36, 161, 222, 0.15);
        }

        .telegram-icon {
            width: 52px;
            height: 52px;
            background: rgba(36, 161, 222, 0.15);
            border: 1px solid rgba(36, 161, 222, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .telegram-card:hover .telegram-icon {
            background: rgba(36, 161, 222, 0.25);
            border-color: rgba(36, 161, 222, 0.6);
        }

        .telegram-icon svg {
            width: 26px;
            height: 26px;
            fill: #29b8f0;
        }

        .telegram-text {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .telegram-title {
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-main);
        }

        .telegram-sub {
            font-size: 0.8rem;
            color: rgba(36, 161, 222, 0.8);
            font-weight: 500;
        }

        .telegram-arrow {
            margin-left: auto;
            opacity: 0.4;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .telegram-card:hover .telegram-arrow {
            opacity: 1;
            transform: translateX(4px);
        }

        .telegram-arrow svg {
            width: 20px;
            height: 20px;
            stroke: #29b8f0;
        }

        @media (max-width: 600px) {
            header { padding: 25px 20px 15px; }
            .player-card { padding: 16px; }
            .episode-row { padding: 16px; }
            .top-nav { margin-bottom: 15px; gap: 8px; }
            .nav-icon { width: 36px; height: 36px; }
        }