/* Настройка тем */
:root {
    --bg-color: #f0f0f0;
    --text-color: #000000;
    --subtitle-color: #555555;
    --footer-color: #777777;
    --tooltip-bg: rgba(0, 0, 0, 0.75);
    --tooltip-text: #ffffff;
}
@media (prefers-color-scheme: dark) {
    :root {
    --bg-color: #1e1e1e;
    --text-color: #ffffff;
    --subtitle-color: #cccccc;
    --footer-color: #aaaaaa;
    --tooltip-bg: rgba(255, 255, 255, 0.85);
    --tooltip-text: #000000;
    }
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}
header, main, footer {
    width: 100%;
    max-width: 510px;
    box-sizing: border-box;
}
.icon-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 25px;
    padding: 20px 0;
}

/* Всплывающие подсказки */
.tooltip {
    position: relative;
    display: inline-block;
}
.tooltip .tooltip-text {
    visibility: hidden;
    width: max-content;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    text-align: center;
    padding: 6px 8px;
    border-radius: 4px;
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.2s ease;
    z-index: 10;
    font-size: 0.9em;
    pointer-events: none;
}
.tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: var(--tooltip-bg) transparent transparent transparent;
}
.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}
@keyframes click-animation {
    0% { transform: scale(1); }
    50% { transform: scale(0.8); }
    100% { transform: scale(1); }
}
.tooltip img {
    width: 64px;
    height: 64px;
    cursor: pointer;
    transition: transform 0.2s ease;
    display: block;
    -webkit-user-drag: none;
}
.tooltip img[draggable="false"] {
    -webkit-user-drag: none;
}
.tooltip img:hover {
    transform: scale(1.1);
}
.tooltip img.clicked {
    animation: click-animation 0.15s ease-in-out;
}
.tooltip.disabled img {
  cursor: not-allowed !important;
    opacity: 0.5;
}

header h1 {
    font-size: 3.2em;
    text-align: center;
    margin: 0;
}
header .subtitle {
    text-align: center;
    font-size: 1em;
    color: var(--subtitle-color);
    margin-top: 10px;
}
footer {
    text-align: center;
    padding: 20px 0 0;
    font-size: 0.89em;
    color: var(--footer-color);
}

/* Адаптивность */
@media (max-width: 768px) {
    .icon-row { gap: 20px; }
    .tooltip img { width: 56px; height: 56px; }
    header h1 { font-size: 2.5em; }
    header .subtitle { font-size: 0.9em; }
    footer { font-size: 0.8em; }
    .tooltip .tooltip-text { font-size: 0.85em; }
}
@media (max-width: 480px) {
    .icon-row { gap: 16px; }
    .tooltip img { width: 48px; height: 48px; }
    header h1 { font-size: 2em; }
    header .subtitle { font-size: 0.8em; }
    footer { font-size: 0.7em; }
    .tooltip .tooltip-text { font-size: 0.75em; }
}

.no-js-warning {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1em;
  background: rgba(0,0,0,0.85);
  color: #fff;
  font-size: 1.2em;
  text-align: center;
  z-index: 9999;
}