@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=DM+Sans:wght@400;500;600&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --felt: #1a3a2a;
    --felt-light: #234d38;
    --felt-dark: #112618;
    --cream: #f5efe0;
    --cream-dark: #e8dfc8;
    --gold: #c9a84c;
    --gold-light: #e2c06a;
    --ink: #1c1c1e;
    --ink-muted: rgba(28,28,30,0.55);
    --white: #ffffff;
    --red-suit: #c0392b;
    --success: #27ae60;
    --radius-card: 20px;
    --radius-sm: 12px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.45), 0 2px 8px rgba(0,0,0,0.3);
    --shadow-pip: 0 4px 14px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.12);
}


/*body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    width: 350px;

}
select {
    width: 70px;
    padding: 8px;
    margin: 5px;
    font-size: 15px;
}

button {
    margin-top: 10px;
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    background: #4CAF50;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: 0.2s;
}

    button:hover {
        background: #45a049;
    }

#result {
    margin-top: 15px;
    font-weight: bold;
    font-size: 16px;
}

#solution {
    margin-top: 10px;
    font-family: monospace;
    color: #333;
}*/
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    /*the dvh unit accounts for iOS Safari's collapsible address bar, so the background always fills the full visible screen*/
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--felt-dark);
    background-image: radial-gradient(ellipse 80% 60% at 50% 0%, var(--felt-light) 0%, transparent 70%), url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    color: var(--white);
    padding: 24px 16px 48px;
}

.app-container {
    width: 100%;
    /*    padding: 20px;*/
    max-width: 420px;
    /*    display: flex;*/
/*    justify-content: center;*/
    margin: 0 auto;
}

/* ── Header ── */

.header {
    text-align: center;
    margin-bottom: 28px;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(201,168,76,0.18);
    border: 1px solid rgba(201,168,76,0.35);
    border-radius: 99px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-light);
    margin-bottom: 14px;
}

h1 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1;
    background: linear-gradient(160deg, #ffffff 30%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    margin: 0;
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ── Main card ── */


.card {
    /*    width: 100%;*/
    /*    max-width: 420px;*/
    background: var(--cream);
    border-radius: var(--radius-card);
    /*    background: rgba(255,255,255,0.08);*/
/*    backdrop-filter: blur(12px);*/
    border: 1px solid rgba(255,255,255,0.15);
    /*    border-radius: 24px;*/
    padding: 32px;
    /*    box-shadow: 0 20px 40px rgba(0,0,0,0.3);*/
    text-align: center;
    color: var(--ink);
    box-shadow: var(--shadow-card);
}

.card-section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 14px;
    text-align: center;
}

/* ── Playing card selects ── */

.cards-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 22px;
}

.card-wrapper {
    flex: 1;
    max-width: 82px;
    position: relative;
    perspective: 800px;
    /*    perspective: 1000px;*/
}


/*select {
    width: 75px;
    padding: 6px;
    margin: 3px;
    border-radius: 16px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    background: white;
    color: #111827;
    cursor: pointer;
    transition: transform 0.15s ease;
}*/

/*select:hover {
    transform: translateY(-2px);
}*/
.playing-card {
    width: 100%;
    aspect-ratio: 2/3;
    border-radius: 10px;
    border: 1.5px solid var(--cream-dark);
    background: var(--white);
    color: var(--ink);
    font-family: 'Merriweather Sans', serif;
/*    font-family: 'Playfair Display', serif;*/
    font-size: 21px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    box-shadow: var(--shadow-pip), inset 0 0 0 1px rgba(255,255,255,0.8);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    padding: 0;
    /* iOS fix */
    -webkit-border-radius: 10px;
}
.SelectTitle {
    font-weight: normal
}
.playing-card:focus {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
    border-color: var(--gold);
}

    .playing-card:hover {
        transform: translateY(-4px) scale(1.03);
        box-shadow: 0 12px 28px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.9);
        border-color: var(--gold);
    }

    .playing-card.has-value {
        border-color: var(--gold);
        background: linear-gradient(160deg, #ffffff 0%, #fdf8ee 100%);
    }

    .playing-card.flipping {
        transform: rotateY(25deg) translateY(-6px) scale(1.05);
        box-shadow: 0 16px 36px rgba(0,0,0,0.35);
    }

/* ── Divider ── */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cream-dark), transparent);
    margin: 6px 0 20px;
}

/* ── Toggle row ──────────────────────────────── */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(28,28,30,0.05);
    border: 1px solid var(--cream-dark);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 14px;
    gap: 12px;
}

.toggle-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

    .toggle-label strong {
        font-size: 13px;
        font-weight: 600;
        color: var(--ink);
    }

    .toggle-label span {
        font-size: 11px;
        color: var(--ink-muted);
        line-height: 1.4;
    }

/* iOS-style toggle switch */
.toggle-switch {
    position: relative;
    flex-shrink: 0;
    width: 44px;
    height: 26px;
}

    .toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
        position: absolute;
    }

.toggle-track {
    position: absolute;
    inset: 0;
    border-radius: 99px;
    background: var(--cream-dark);
    cursor: pointer;
    transition: background 0.2s ease;
}

    .toggle-track::after {
        content: '';
        position: absolute;
        left: 3px;
        top: 3px;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: white;
        box-shadow: 0 1px 4px rgba(0,0,0,0.25);
        transition: transform 0.2s ease;
    }

.toggle-switch input:checked + .toggle-track {
    background: #2e7d52;
}

    .toggle-switch input:checked + .toggle-track::after {
        transform: translateX(18px);
    }

.toggle-switch input:focus-visible + .toggle-track {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

/* ── Buttons ──*/
.btn-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.primary-btn {
    width: 100%;
    padding: 16px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(160deg, #2e7d52 0%, #1a5c38 100%);
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(26,92,56,0.45), inset 0 1px 0 rgba(255,255,255,0.15);
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

    .primary-btn::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(160deg, rgba(255,255,255,0.12) 0%, transparent 60%);
        pointer-events: none;
    }

    .primary-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(26,92,56,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
    }

    .primary-btn:active {
        transform: scale(0.98);
        opacity: 0.95;
        box-shadow: 0 2px 8px rgba(26,92,56,0.4);
    }

.secondary-btn {
    display: none;
    width: 100%;
    padding: 14px 20px;
    border: 1.5px solid var(--cream-dark);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--felt);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

    .secondary-btn:hover {
        background: var(--cream);
        border-color: var(--gold);
        transform: translateY(-1px);
    }

    .secondary-btn:active {
        transform: scale(0.98);
    }

#revealBtn[style*="block"], #revealBtn[style*="inline"] {
    display: block !important;
}

/*button {
    margin-top: 10px;
    padding: 10px 15px;
    border: none;
    border-radius: 14px;*/
/*    background: #4CAF50;*/
    /*color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 
        transform 0.15s ease, 
        opacity 0.15s ease;
}

button:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

.primary-btn {
    background: linear-gradient(
        135deg,
        #10b981,
        #059669
    );
    color: white;
}
.primary-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(16,185,129,0.35);
}

.secondary-btn {
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1px solid rgba(255,255,255,0.15);
}*/
/* ── Result ──────────────────────────────────── */
#result {
    min-height: 0;
/*    min-height: 28px;*/
    margin-top: 24px;
    border-radius: var(--radius-sm);
    font-size: 20px;
    font-weight: 00;
    text-align: center;
    transition: all 0.25s ease;
}

#result:empty {
    display: none;
}

.result-yes {
    background: #e8f5ee;
    color: #1a5c38;
    border: 1.5px solid #a8d9b8;
    padding: 14px 16px;
}

.result-no {
    background: #fdecea;
    color: #8b1a1a;
    border: 1.5px solid #f5b8b2;
    padding: 14px 16px;
}

/* ── Solution ────────────────────────────────── */
#solution {
    margin-top: 18px;
    background: var(--felt);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    font-family: 'DM Mono', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.88);
    word-break: break-word;
    border: 1px solid rgba(255,255,255,0.1);
}

#solution:empty {
    display: none;
}

.solution-line {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 2px 0;
}

.solution-num {
    font-size: 10px;
    color: var(--gold);
    font-weight: 600;
    min-width: 16px;
    font-family: 'DM Sans', sans-serif;
}



/* ── Footer note ── */
.footer-note {
    text-align: center;
    margin-top: 20px;
    font-size: 16px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.02em;
}

/* ── Mobile tweaks ── */

@media (max-width: 360px) {
    body {
        padding: 16px 12px 36px;
    }

    h1 {
        font-size: 36px;
/*        font-size: 30px;*/
    }

    .card {
        padding: 22px 18px 20px;
    }

    .cards-row {
        gap: 8px;
    }

    .card-wrapper {
        max-width: 72px;
    }

    .playing-card {
        font-size: 16px;
    }

    .primary-btn {
        padding: 15px;
        font-size: 15px;
    }

/*    select {
        width: 64px;
        height: 64px;
        font-size: 20px;
    }*/
}

.playing-card {
    transform-style: preserve-3d;
    transition: transform 0.45s ease, box-shadow 0.25s ease;
}

.playing-card:hover {
    box-shadow: 0 10px 25px rgba(255,255,255,0.2);
}

.playing-card.flipping {
    transform: rotateY(180deg) scale(1.05);
}

/* ── Safe area for notched phones ───────────── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    body {
        padding-bottom: calc(48px + env(safe-area-inset-bottom));
    }
}