/* TWOJE ORYGINALNE STYLE */
:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-main: #c9d1d9;
    --text-dim: #8b949e;
    --border-color: #30363d;
    --accent-blue: #58a6ff;
    --accent-green: #7ee787;
    --night-region: rgba(0, 0, 0, 0.45);
}

body.light-mode {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-main: #1f2328;
    --text-dim: #636c76;
    --border-color: #d0d7de;
    --accent-blue: #0969da;
    --accent-green: #1a7f37;
    --night-region: rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-main);
    margin: 0; padding: 20px; text-align: center;
    line-height: 1.6; transition: background 0.4s ease, color 0.4s ease;
}

.theme-switch-wrapper { display: flex; align-items: center; }
.theme-switch { display: inline-block; height: 34px; position: relative; width: 60px; }
.theme-switch input { display: none; }
.slider {
    background-color: #30363d; bottom: 0; cursor: pointer; left: 0; position: absolute; right: 0; top: 0;
    transition: .4s; display: flex; align-items: center; justify-content: space-between; padding: 0 5px;
    border: 1px solid var(--border-color); border-radius: 34px;
}
.slider:before {
    background-color: #fff; bottom: 4px; content: ""; height: 24px; left: 4px;
    position: absolute; transition: .4s; width: 24px; z-index: 2; border-radius: 50%;
}
input:checked + .slider { background-color: var(--accent-blue); }
input:checked + .slider:before { transform: translateX(26px); }
.icon-sun, .icon-moon { font-size: 14px; user-select: none; }

.status-box {
    display: flex; align-items: center; gap: 8px;
    background: var(--card-bg); padding: 8px 15px;
    border-radius: 12px; border: 1px solid var(--border-color);
    font-size: 0.85rem; font-weight: 600;
}
#wifi-icon { font-size: 1.2rem; }

.top-right-controls {
    position: absolute; top: 20px; right: 20px; z-index: 1000;
    display: flex; gap: 10px; align-items: center;
}

.export-btn {
    background: var(--card-bg); border: 1px solid var(--border-color);
    padding: 10px 20px; cursor: pointer; font-weight: 600;
    border-radius: 10px; color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

h1 { font-weight: 300; color: var(--accent-blue); letter-spacing: 2px; text-transform: uppercase; }

.grid { display: flex; justify-content: center; gap: 20px; margin-bottom: 30px; flex-wrap: wrap; }
.card {
    background: var(--card-bg); padding: 25px; border-radius: 16px;
    border: 1px solid var(--border-color); min-width: 180px;
}
.value { display: block; font-size: 2.5rem; font-weight: 800; color: var(--accent-blue); }

.chart-container {
    background: var(--card-bg); padding: 20px; border-radius: 16px;
    margin: 25px auto; max-width: 1000px; height: 420px; /* Zwiększone dla suwaka */
    border: 1px solid var(--border-color);
}

.control-panel {
    background: var(--card-bg); padding: 20px; margin: 20px auto; max-width: 1000px;
    border-radius: 20px; border: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
}

.btn-group { display: flex; gap: 8px; background: var(--bg-color); padding: 6px; border-radius: 14px; }
button { background: transparent; color: var(--text-dim); border: none; padding: 10px 20px; cursor: pointer; font-weight: 600; border-radius: 10px; }
button.active { background: var(--accent-blue) !important; color: #ffffff !important; }

/* DODATEK DLA SUWAKÓW - NIE ZMIENIA TWOICH RZECZY */
.chart-scroll {
    width: 90%;
    margin: 10px auto;
    display: block;
    appearance: none;
    background: var(--border-color);
    height: 6px;
    border-radius: 5px;
}
.chart-scroll::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
}