/**
 * Pozdrower – Kółko i Krzyżyk
 * Accent: electric blue #2563eb
 */
.pzd-ttt {
    --ttt-blue: #2563eb;
    --ttt-blue-dark: #1e40af;
    --ttt-green: #22c55e;
    --ttt-orange: #f59e0b;
    --ttt-red: #ef4444;
    --ttt-text: #1e293b;
    --ttt-text-mid: #475569;
    --ttt-text-light: #94a3b8;
    --ttt-bg: #f8fafc;
    --ttt-white: #fff;
    --ttt-border: #e2e8f0;
    --ttt-radius: 16px;
    --ttt-shadow: 0 4px 20px rgba(0,0,0,0.08);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 460px; margin: 0 auto; padding: 0;
    background: var(--ttt-white); border-radius: var(--ttt-radius);
    box-shadow: var(--ttt-shadow); overflow: hidden;
    -webkit-user-select: none; user-select: none;
}
.pzd-ttt *, .pzd-ttt *::before, .pzd-ttt *::after { box-sizing: border-box; }

/* Header */
.pzd-ttt__header {
    background: linear-gradient(135deg, var(--ttt-blue), var(--ttt-blue-dark));
    color: var(--ttt-white); padding: 24px 20px; text-align: center;
}
.pzd-ttt__title { font-size: 1.4em; font-weight: 700; margin: 0 0 6px; color: var(--ttt-white); border: none; padding: 0; }
.pzd-ttt__sub { font-size: 0.85em; opacity: 0.8; margin: 0; }

/* Difficulty */
.pzd-ttt__difficulty {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 16px; background: var(--ttt-bg); border-bottom: 1px solid var(--ttt-border);
}
.pzd-ttt__diff-label { font-size: 0.82em; font-weight: 600; color: var(--ttt-text-mid); }
#pzd-ttt .pzd-ttt__diff-btn {
    padding: 6px 14px !important; border: 2px solid var(--ttt-border) !important;
    border-radius: 20px !important; background: var(--ttt-white) !important;
    color: var(--ttt-text-mid) !important; font-size: 0.8em !important; font-weight: 600 !important;
    cursor: pointer !important; transition: all 0.2s !important; font-family: inherit !important;
    white-space: normal !important;
}
#pzd-ttt .pzd-ttt__diff-btn:hover { border-color: var(--ttt-blue) !important; color: var(--ttt-blue) !important; }
#pzd-ttt .pzd-ttt__diff-btn--active {
    background: var(--ttt-blue) !important; color: var(--ttt-white) !important;
    border-color: var(--ttt-blue) !important; font-weight: 700 !important;
    box-shadow: 0 2px 8px rgba(37,99,235,0.3) !important;
}

/* Scoreboard */
.pzd-ttt__scoreboard {
    display: flex; justify-content: center; gap: 0; padding: 12px 16px;
    border-bottom: 1px solid var(--ttt-border);
}
.pzd-ttt__score-item {
    flex: 1; text-align: center; padding: 8px 4px;
    border-right: 1px solid var(--ttt-border);
}
.pzd-ttt__score-item:last-child { border-right: none; }
.pzd-ttt__score-emoji { font-size: 1.3em; display: block; margin-bottom: 2px; }
.pzd-ttt__score-label { font-size: 0.72em; color: var(--ttt-text-light); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; display: block; }
.pzd-ttt__score-val { font-size: 1.4em; font-weight: 800; display: block; margin-top: 2px; }
.pzd-ttt__score-item--player .pzd-ttt__score-val { color: var(--ttt-green); }
.pzd-ttt__score-item--draw .pzd-ttt__score-val { color: var(--ttt-text-light); }
.pzd-ttt__score-item--ai .pzd-ttt__score-val { color: var(--ttt-red); }

/* Status */
.pzd-ttt__status {
    text-align: center; padding: 12px 16px; font-size: 0.95em;
    font-weight: 700; color: var(--ttt-text); min-height: 44px;
    display: flex; align-items: center; justify-content: center;
}
.pzd-ttt__status--win { color: var(--ttt-green); }
.pzd-ttt__status--lose { color: var(--ttt-red); }
.pzd-ttt__status--draw { color: var(--ttt-orange); }

/* Board */
.pzd-ttt__board {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
    max-width: 330px; margin: 0 auto 16px; padding: 0 16px;
    position: relative;
}
#pzd-ttt .pzd-ttt__cell {
    aspect-ratio: 1; border: 2px solid var(--ttt-border) !important;
    background: var(--ttt-white) !important; cursor: pointer !important;
    font-size: 3em !important; display: flex !important; align-items: center !important;
    justify-content: center !important; transition: all 0.15s !important;
    border-radius: 0 !important; font-family: inherit !important;
    padding: 0 !important; line-height: 1 !important;
    position: relative !important;
}
#pzd-ttt .pzd-ttt__cell:hover:not(.pzd-ttt__cell--taken) {
    background: #f0f7ff !important;
}
#pzd-ttt .pzd-ttt__cell--taken { cursor: default !important; }
#pzd-ttt .pzd-ttt__cell--player { color: var(--ttt-green) !important; }
#pzd-ttt .pzd-ttt__cell--ai { color: var(--ttt-text) !important; }
#pzd-ttt .pzd-ttt__cell--win {
    background: rgba(34,197,94,0.1) !important;
    box-shadow: inset 0 0 0 3px var(--ttt-green) !important;
}
#pzd-ttt .pzd-ttt__cell--lose {
    background: rgba(239,68,68,0.08) !important;
    box-shadow: inset 0 0 0 3px var(--ttt-red) !important;
}

/* Cell animation */
.pzd-ttt__cell--pop { animation: tttPop 0.3s ease; }
@keyframes tttPop {
    0% { transform: scale(0.3); opacity: 0; }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

/* Rounded corners on edge cells */
#pzd-ttt .pzd-ttt__cell[data-i="0"] { border-radius: 12px 0 0 0 !important; }
#pzd-ttt .pzd-ttt__cell[data-i="2"] { border-radius: 0 12px 0 0 !important; }
#pzd-ttt .pzd-ttt__cell[data-i="6"] { border-radius: 0 0 0 12px !important; }
#pzd-ttt .pzd-ttt__cell[data-i="8"] { border-radius: 0 0 12px 0 !important; }

/* Fact */
.pzd-ttt__fact {
    text-align: center; padding: 0 20px 12px; font-size: 0.8em;
    color: var(--ttt-text-light); min-height: 32px; font-style: italic;
}

/* Reset */
#pzd-ttt .pzd-ttt__reset {
    display: block !important; margin: 0 auto 20px !important;
    padding: 10px 28px !important; background: var(--ttt-blue) !important;
    color: var(--ttt-white) !important; border: none !important;
    border-radius: 25px !important; font-size: 0.9em !important;
    font-weight: 700 !important; cursor: pointer !important;
    transition: all 0.2s !important; font-family: inherit !important;
    box-shadow: 0 2px 10px rgba(37,99,235,0.25) !important;
    white-space: normal !important;
}
#pzd-ttt .pzd-ttt__reset:hover { transform: translateY(-1px) !important; box-shadow: 0 4px 16px rgba(37,99,235,0.35) !important; }

/* Footer */
.pzd-ttt__footer {
    text-align: center; padding: 10px; font-size: 0.7em;
    color: var(--ttt-text-light); border-top: 1px solid var(--ttt-border);
}

/* Responsive */
@media (max-width: 480px) {
    .pzd-ttt__title { font-size: 1.15em; }
    #pzd-ttt .pzd-ttt__cell { font-size: 2.4em !important; }
    .pzd-ttt__difficulty { flex-wrap: wrap; }
}