:root {
    --color-bg: #06060c;
    --color-text: #ece8dc;
    --color-text-muted: #b3ada5;
    --color-text-dim: #8a857e;
    --color-gold: #c9a227;
    --color-gold-light: #dbba4a;
    --color-gold-dim: rgba(201, 162, 39, 0.55);
    --color-gold-glow: rgba(201, 162, 39, 0.12);
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --button-inline-size: min(100%, 272px);
    --button-min-height: 44px;
    --button-padding-y: 11px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100%;
}

.sc-premium-splash {
    position: fixed;
    inset: 0;
    z-index: 2147483647;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #000000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.sc-premium-splash.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.sc-premium-splash-logo {
    display: block;
    width: min(78vw, 418px);
    height: auto;
}

.google-signin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: #3c4043;
    background: #ffffff;
    border: 1px solid #dadce0;
    min-height: var(--button-min-height);
    padding: var(--button-padding-y) 24px;
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
    margin-bottom: 12px;
    width: var(--button-inline-size);
    max-width: 320px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.google-signin-btn:hover {
    background: #f8f9fa;
    border-color: #c6c9cd;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.google-signin-btn:active {
    background: #f1f3f4;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.google-signin-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.google-signin-btn .google-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}