/* Extracted from index.html */
:root {
    --bg: #f4f4f4;
    --fg: #181818;
    --accent: #0078d7;
    --card-bg: #fff;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #181818;
        --fg: #f4f4f4;
        --accent: #4fc3f7;
        --card-bg: #232323;
    }
}
body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, 'Liberation Sans', sans-serif;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, color 0.3s;
}
main {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 0.3rem; /* Sharper edges */
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    text-align: center;
}
h1 {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    font-weight: 600;
}
#ip, #userAgent {
    font-size: 1.2rem;
    color: var(--accent);
    font-family: monospace;
    min-width: 3.5em;
    display: inline-block;
    letter-spacing: 0.1em;
    position: relative;
}
.loading-dot {
    display: inline-block;
    width: 0.44em;
    height: 0.44em;
    margin: 0 0.09em;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.4;
    transform: scale(1);
    box-shadow: none;
    transition: opacity 0.22s, transform 0.22s, box-shadow 0.22s;
}
.loading-dot.grow {
    opacity: 1;
    transform: scale(1.22);
    z-index: 1;
    box-shadow: 0 0 0.5em 0.15em var(--accent, #0078d7);
}
.loading-dot.shrink {
    opacity: 0.7;
    transform: scale(0.7);
    z-index: 0;
    box-shadow: 0 0 0.2em 0.05em var(--accent, #0078d7);
}
.loading-anim {
    display: inline-block;
    width: auto;
    overflow: visible;
    vertical-align: middle;
    font-size: 1em;
}
/* General button style for all buttons */
button, .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1em;
    border-radius: 0.3rem;
    border: 1px solid var(--fg);
    background: none;
    color: var(--fg);
    padding: 0.32rem 0.9rem;
    line-height: 1;
    transition: background 0.2s, color 0.2s, border 0.2s, opacity 0.2s;
}
button:focus, .button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
button:hover, .button:hover {
    background: var(--accent);
    color: var(--fg);
    border-color: var(--accent);
}

/* Specific overrides for .ip-copy and .toggle-darkmode if needed */
.ip-copy {
    font-size: 1.1em;
    color: var(--accent);
    opacity: 0.7;
    background: none;
    border: 1px solid var(--fg);
    margin-left: 0.5em;
    padding: 0.32rem 0.9rem;
    vertical-align: middle;
}
.ip-copy:hover {
    opacity: 1;
    color: var(--fg);
    background: var(--accent);
    border-color: var(--accent);
}
.ip-copy.copied {
    color: #43c463;
    opacity: 1;
    background: #eafbe7;
    border-color: #43c463;
}
.copy-hint {
    font-size: 0.95rem;
    color: var(--accent);
    opacity: 0;
    transition: max-height 0.3s, height 0.3s, opacity 0.3s;
    margin-top: 0.5em;
    height: 0px;
    max-height: 0px;
    overflow: hidden;
}
.copy-hint.visible {
    opacity: 1;
    height: 1.2em;
    max-height: 1.2em;
}
.toggle-darkmode {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 1.3rem;
    padding: 0.45rem 1.1rem;
}
@media (max-width: 600px) {
    main {
        padding: 1.2rem 0.5rem;
        border-radius: 0.3rem; /* Sharper edges for mobile */
    }
    .toggle-darkmode {
        top: 0.7rem;
        right: 0.7rem;
        border-radius: 0.3rem;
        font-size: 1.3rem;
        padding: 0.28rem 0.7rem;
    }
}
body.dark {
    --bg: #181818;
    --fg: #f4f4f4;
    --accent: #4fc3f7;
    --card-bg: #232323;
}
body.light {
    --bg: #f4f4f4;
    --fg: #181818;
    --accent: #0078d7;
    --card-bg: #fff;
}