:root {
    --bg: #f0f2f5;
    --panel: #ffffff;
    --accent: #4a90e2;
    --text: #333;
    
    --card-bg: #ffffff;
    --card-text: #333;
    --card-border: rgba(0, 0, 0, 0.05);
    --btn-bg: #eef2f7;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
}

header {
    background: var(--panel);
    padding: 25px 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    max-width: 1200px;
    margin: 0 auto 30px;
}

h1 {
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
    font-size: 24px;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 15px;
    align-items: flex-end;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
}

input[type="range"] {
    width: 100%;
    cursor: pointer;
}

input[type="color"] {
    width: 100%;
    height: 30px;
    padding: 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
}

.toggle-btn {
    background: #eef2f7;
    border: 1px solid #ccc;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s;
    text-align: center;
    height: 32px;
}

.toggle-btn.active {
    background: #222;
    color: #fff;
    border-color: #222;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.icon-grid.dark-mode {
    --card-bg: #1a1a1a;
    --card-text: #ffffff;
    --card-border: rgba(255, 255, 255, 0.1);
    --btn-bg: #2d2d2d;
}

.icon-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 25px 20px;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.icon-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.icon-label {
    margin-top: 15px;
    font-size: 14px;
    color: var(--card-text);
    text-transform: capitalize;
    font-weight: 500;
}

.card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    width: 100%;
}

.action-btn {
    flex: 1;
    background: var(--btn-bg);
    color: var(--card-text);
    border: none;
    padding: 7px 0;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.action-btn:hover {
    background: var(--accent);
    color: white;
}

svg {
    overflow: visible;
}

/* Делает углы всех путей скругленными программно */
svg path {
    stroke-linecap: round;
    stroke-linejoin: round;
}