:root {
    --accent: #4f46e5;
    --accent-light: #6366f1;
    --background: #f7fafc;
    --button-bg: #2bc4fa;
    --button-hover: #22a0ca;
    --button-text: #181a20;
    --text-main: #23243a;
    --text-muted: #64748b;
    --radius: 1.25rem;
    --shadow: 0 2px 12px 0 rgba(20,30,60,0.09);
    --surface: rgba(255,255,255,0.94);
}

@media (prefers-color-scheme: dark) {
    :root {
        --accent: #a5b4fc;
        --accent-light: #818cf8;
        --background: #15181c;
        --button-bg: #2bc4fa;
        --button-hover: #22a0ca;
        --button-text: #181a20;
        --shadow: 0 2px 16px 0 rgba(8,8,24,0.24);
        --surface: rgba(30,34,42,0.9);
        --text-main: #f6f7fa;
        --text-muted: #aab2bd;
    }
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--background);
    color: var(--text-main);
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    font-size: 17px;
    min-height: 100vh;
}

body {
    display: flex;
    flex-flow:column nowrap;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
}

.container {
    display: flex;
    flex-grow: 1;
    flex-flow: column nowrap;
    justify-content: center;
    margin: 1rem;
    max-width: 370px;
    text-align: center;
}

.card {
    background: var(--surface);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    padding: 3rem 2rem;
}

.container.wide {
    max-width: 580px;
}

.emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.intro {
    color: var(--text-muted);
    margin-bottom: 1.7rem;
    text-align: center;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.button {
    display: block;
    padding: 0.75rem 1.5rem;
    margin-bottom: 0.75rem;
    background: var(--button-bg);
    color: var(--button-text);
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 1px 4px 0 rgba(43,196,250,0.11);
}

.button:hover {
    background: var(--button-hover);
}

a {
    color: var(--accent);
    text-decoration: underline;
}

a:hover {
    text-decoration: none;
}

footer {
    color: #bbb;
    font-size: 0.94em;
    letter-spacing: 0.01em;
    margin-top: 2.5em;
    text-align: center;
}

footer p {
    font-size: 0.8em;
    margin: 0.5rem 0 1rem;
}

.badges {
    align-items: center;
    display: flex;
    flex-flow: row nowrap;
    gap: 1rem;
    justify-content: center;
}

@media (max-width: 400px) {
    .container {
        padding: 2rem 0.5rem;
    }
}