:root{
    --accent:#df873f;
    --bg-light:#f7f8fb;
    --card:#ffffff;
    --card-dark:#0f1720;
    --text:#0b1220;
    --muted:#6b7280;
    --radius:14px;
    --shadow: 0 6px 18px rgba(10,10,10,0.08);
    --glass: rgba(255,255,255,0.6);
    --glass-dark: rgba(10,12,15,0.45);
    --max-width:640px;
}

/* Respect user dark mode */
@media (prefers-color-scheme: dark){
    :root{
        --card: var(--card-dark);
        --text: #e6eef8;
        --muted: #9aa6b2;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce){
    *{ transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* Fullscreen + safe area on mobile PWAs */
html, body {
    height: 100%;
    width: 100%;
    background: burlywood;
    color: var(--text);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    -webkit-tap-highlight-color: transparent;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* App layout */
#topBar{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display:flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.65), rgba(255,255,255,0.4));
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    z-index: 40;
}

/* Main content container */
#mainContent{
    box-sizing: border-box;
    margin: 0 auto;
    padding: calc(56px + 20px) 16px 24px; /* account for top bar */
    max-width: var(--max-width);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

/* Card style for sections */
#countdownContainer,
#dailyMessage,
#status,
#pastFactsContainer{
    background: var(--card);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    transition: transform 160ms ease, box-shadow 160ms ease;
    min-height: 72px;
}

/* Tappable controls */
button{
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 70%, black 10%));
    color: #fff;
    padding: 12px 16px;
    font-size: 16px;
    border-radius: 12px;
    min-height: 48px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(10,132,255,0.18);
    transition: transform 120ms ease, box-shadow 120ms ease;
    touch-action: manipulation;
    user-select: none;
}

button:active{ transform: translateY(1px) scale(0.998); box-shadow: 0 6px 16px rgba(10,132,255,0.14); }
button[disabled]{ opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* Specific containers */
#revealDailyContainer, #subscribeButtonContainer, #learnMoreContainer, #shareContainer, #status{
    display:flex;
    gap:12px;
    justify-content: center;
}

#message{
    margin: 0 0 8px 0;
    font-size: 20px;
    line-height: 1.15;
}

#factText{
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

/* Countdown styling */
#countdown{
    margin: 0 0 8px 0;
    font-size: 16px;
}
#timeRemaining{
    font-weight: 700;
    font-size: 22px;
}

/* Responsive typography and layout tweaks */
@media (min-width: 420px){
    #mainContent{
        padding-left: 20px;
        padding-right: 20px;
    }
    #message{ font-size: 22px; }
}

@media (min-width: 760px){
    #mainContent{ padding-top: calc(56px + 32px); grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }
    #countdownContainer{ grid-column: 2 / 3; position: sticky; top: calc(56px + 20px); }
}

/* Small utility classes */
.center{ display:flex; align-items:center; justify-content:center; }
.muted{ color:var(--muted); font-size:14px; }
.padded{ padding: 12px; }

/* Make sure interactive areas are big enough on mobile */
a, button { min-height: 44px; }

/* Minor focus styles for keyboard users */
:focus{ outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent); outline-offset: 2px; border-radius: 8px; }

/* End of PWA-ready stylesheet */