:root {
    --bg: #000000;
    --widget-bg: #1c1c1e;
    --accent-blue: #0a84ff;
    --accent-green: #30d158;
    --text: #ffffff;
    --text-dim: #8e8e93;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    padding-top: 100px;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    /* Apple vibe: wygładzanie czcionek */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Apple Header --- */
.glass-header {
    position: fixed;
    top: 20px;
    width: 90%;
    max-width: 1000px;
    height: 60px;
    background: rgba(28, 28, 30, 0.65);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.brand { font-weight: 700; font-size: 1.1rem; }
.brand span { color: var(--accent-blue); }
nav a { color: var(--text-dim); text-decoration: none; margin: 0 15px; font-size: 0.9rem; font-weight: 500; transition: 0.3s ease; }
nav a.active, nav a:hover { color: var(--text); }
.user-chip { background: rgba(255, 255, 255, 0.1); padding: 5px 12px; border-radius: 10px; font-size: 0.8rem; }

/* --- Bento Grid --- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 180px;
    gap: 20px;
    width: 95%;
    max-width: 1100px;
    padding-bottom: 50px;
}

.item {
    background: var(--widget-bg);
    border-radius: 36px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.5); /* Dodany lekki bazowy cień */
}

.item:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Rozmiary */
.span-large { grid-column: span 3; grid-row: span 2; }
.span-medium { grid-column: span 2; }
.square { grid-column: span 1; }

/* Widget Główny */
.main-feature {
    background: linear-gradient(145deg, #2c2c2e 0%, #151516 100%);
    justify-content: center;
    gap: 20px;
}

.status-pill { background: rgba(48, 209, 88, 0.15); color: var(--accent-green); padding: 6px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; width: fit-content; }
h1 { font-size: 3.5rem; font-weight: 800; letter-spacing: -1.5px; margin: 10px 0; }
.main-feature p { color: var(--text-dim); max-width: 400px; line-height: 1.5; font-size: 1.05rem; }

/* Przyciski */
.apple-btn {
    background: #ffffff;
    color: #000;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 24px;
    font-weight: 700;
    font-size: 1rem;
    width: fit-content;
    transition: all 0.3s ease;
}

.apple-btn:hover { background: var(--accent-blue); color: #fff; transform: scale(1.05); }

/* Ring Charts */
.ring-box { position: relative; display: flex; justify-content: center; align-items: center; }
.circular-chart { max-width: 110px; filter: drop-shadow(0 0 8px rgba(0,0,0,0.3)); }
.circle-bg { stroke: rgba(255,255,255,0.05); stroke-width: 2.8; fill: none; }
.circle { stroke-width: 2.8; stroke-linecap: round; fill: none; transition: stroke-dasharray 1s cubic-bezier(0.2, 1, 0.2, 1); }
.green .circle { stroke: var(--accent-green); }
.blue .circle { stroke: var(--accent-blue); }
.percentage { position: absolute; font-size: 1.2rem; font-weight: 800; letter-spacing: -0.5px; }

/* Typografia liczb */
.label { font-size: 0.75rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.5px; }
.huge-val { font-size: 3.2rem; font-weight: 800; letter-spacing: -2px; margin-top: 5px; }
.desc { color: var(--text-dim); font-size: 0.85rem; margin-top: 4px; }
.highlight-blue .huge-val { color: var(--accent-blue); text-shadow: 0 0 20px rgba(10, 132, 255, 0.3); }

/* Dekoracje */
.big-flex { display: flex; align-items: baseline; justify-content: space-between; }
.graph-dots { display: flex; gap: 6px; }
.dot { width: 8px; height: 8px; background: #3a3a3c; border-radius: 50%; transition: 0.3s; }
.dot.active { background: var(--accent-blue); box-shadow: 0 0 12px var(--accent-blue); }

/* --- RESPONSIVE DESIGN --- */

/* Tablety (iPad etc.) */
@media (max-width: 900px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .span-large { grid-column: span 2; grid-row: span 2; }
    .span-medium { grid-column: span 2; }
    h1 { font-size: 2.8rem; }
}

/* Telefony (iPhone etc.) */
@media (max-width: 600px) {
    body { padding-top: 80px; }
    
    .glass-header { width: 92%; padding: 0 16px; height: 55px; }
    nav { display: none; } /* Na małym ekranie lepiej ukryć linki lub dać hamburger menu */
    
    .bento-grid { 
        grid-template-columns: 1fr; /* Jedna kolumna - klucz do dobrego wyglądu na mobile */
        grid-auto-rows: minmax(160px, auto); 
        gap: 16px; 
    }
    
    .item { padding: 20px; border-radius: 28px; }
    .item:hover { transform: none; box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.5); } /* Wyłączamy hover na dotykowych */
    
    .span-large, .span-medium, .square { grid-column: span 1; grid-row: span 1; }
    .main-feature { grid-row: span 2; } /* Zostawiamy więcej miejsca dla głównego kafelka */
    
    h1 { font-size: 2.2rem; }
    .huge-val { font-size: 2.6rem; }
}