/* Wspólne style ekranu walki i sklepu. */
#battle-screen,
#shop-screen,
#inventory-screen,
#skin-screen {
    width: 100%;
    box-sizing: border-box;
    padding: 1rem;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-page-background);
    border-radius: 0.75rem;
    box-shadow: inset 0 0 0 1px var(--border-soft);
}

.battle-header,
.stat-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.battle-header {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-soft);
}

.battle-header h2,
.combatant h3,
.shop-header h2,
.shop-section h3,
.shop-item h4 {
    margin: 0.125rem 0;
    font-family: var(--font-title);
    font-weight: 400;
}

.battle-header h2,
.shop-header h2 {
    font-size: 1.5rem;
}

.eyebrow,
.combatant-label {
    font-size: 0.875rem;
    letter-spacing: 2px;
    opacity: 0.8;
}

#battle-wave {
    padding: 0.3125rem 0.5rem;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-info-background);
}

.battle-header-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

/* Auto-walka: przełącznik i prędkość w nagłówku walki. */
.battle-auto-btn,
.battle-auto-speed {
    white-space: nowrap;
}

.battle-auto-btn.is-active {
    background: var(--accent);
    color: var(--accent-text);
}

.battle-escape-top {
    white-space: nowrap;
}

.battle-arena {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    gap: 0.625rem;
}

.combatant {
    min-width: 0;
    padding: 0.625rem;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-card-background);
}

.combatant h3 {
    min-height: 2.625rem;
    font-size: 1.125rem;
}

.battle-model,
.enemy-silhouette {
    display: flex;
    height: 13.75rem;
    align-items: center;
    justify-content: center;
    margin: 0.375rem 0 0.625rem;
    border: 1px solid var(--border-soft);
    background: var(--sprite-bg);
}

.battle-model img {
    max-width: 100%;
    max-height: 13.75rem;
    object-fit: contain;
}

.enemy-silhouette {
    color: #2a3550;
    font-size: 4.25rem;
    text-shadow: 0 0 12px rgba(47, 172, 255, 0.8);
}

.health-bar {
    height: 0.75rem;
    margin: 0.3125rem 0 0.5rem;
    overflow: hidden;
    border: 1px solid var(--shop-border-color);
    background: rgba(0, 0, 0, 0.4);
}

.health-bar span {
    display: block;
    width: 100%;
    height: 100%;
    background: #35c46a;
    transition: width 180ms ease;
}

.battle-resource-bars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.resource-label {
    display: block;
    margin-bottom: 0.1875rem;
    font-size: 0.875rem;
    opacity: 0.85;
}

.mana-bar span {
    background: #3d9ee8;
}

.enemy-health-bar span {
    background: #e15b61;
}

.combatant p {
    min-height: 1.125rem;
    margin: 0.4375rem 0 0;
    font-size: 0.875rem;
}

#battle-player-stats {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.battle-versus {
    display: flex;
    align-items: center;
    color: var(--text-color);
    font-family: var(--font-title);
    font-size: 1.25rem;
}

.battle-log,
.shop-message {
    min-height: 1.125rem;
    box-sizing: border-box;
    padding: 0.5625rem;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-info-background);
    text-align: center;
}

.battle-log {
    min-height: 2.375rem;
    margin: 0.75rem 0 0.5rem;
}

.battle-log.success,
.shop-message.success {
    background: rgba(49, 158, 83, 0.4);
}

.battle-log.warning,
.shop-message.warning {
    background: rgba(187, 151, 36, 0.4);
}

.battle-log.danger,
.shop-message.danger {
    background: rgba(179, 48, 58, 0.42);
}

.battle-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.battle-abilities,
.battle-potions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.ability-button,
.potion-button {
    display: flex;
    min-width: 0;
    min-height: 4.375rem;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    flex-direction: column;
    text-align: center;
}

.ability-icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-info-background);
}

.shop-ability-icon {
    width: 4.5rem;
    height: 4.5rem;
    margin: 0 auto 0.375rem;
}

.ability-mode-boei {
    background: #c8a83d;
}

.ability-mode-chikara {
    background: #b64343;
}

.battle-effects {
    margin-top: 0.5rem;
    padding: 0.4375rem;
    border: 1px solid var(--shop-border-color);
    background: var(--shop-info-background);
    text-align: center;
    font-size: 0.875rem;
}

.secondary-button {
    width: 100%;
}

/* Niski stan HP/many: delikatna pulsacja paska. */
.health-bar.is-low {
    animation: bar-low-pulse 900ms ease-in-out infinite;
}

@keyframes bar-low-pulse {
    50% { box-shadow: 0 0 8px 1px rgba(225, 91, 97, 0.85); }
}

/* Błysk karty walczącego po otrzymaniu obrażeń. */
.combatant.is-hit {
    animation: combatant-hit 320ms ease;
}

@keyframes combatant-hit {
    25% { transform: translateX(-4px); box-shadow: inset 0 0 22px rgba(225, 91, 97, 0.6); }
    60% { transform: translateX(3px); }
}

/* Efekty jako chipy. */
.battle-effects {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.375rem;
}

.effect-chip {
    padding: 0.125rem 0.5rem;
    border: 1px solid var(--shop-border-color);
    border-radius: 999px;
    background: var(--shop-card-background);
}

/* Historia walki. */
.battle-history {
    margin-top: 0.5rem;
    border: 1px solid var(--shop-border-color);
    border-radius: 6px;
    background: var(--shop-info-background);
    font-size: 0.875rem;
}

.battle-history summary {
    padding: 0.375rem 0.5625rem;
    cursor: pointer;
}

.battle-history ol {
    max-height: 9.375rem;
    margin: 0;
    padding: 0.25rem 0.5625rem 0.5rem 1.625rem;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.battle-history li {
    padding: 0.125rem 0;
    opacity: 0.8;
}

.battle-history li:first-child {
    opacity: 1;
    font-weight: 700;
}

.battle-history li.danger { color: var(--bad); }
.battle-history li.success { color: var(--good); }
.battle-history li.warning { color: var(--warn); }

/* Spadające liczby obrażeń (-123), leczenia (+45) i napis CRIT!. */
.battle-model {
    position: relative;
}

.fx-float {
    position: absolute;
    top: 0.375rem;
    left: 50%;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    white-space: nowrap;
    font-family: var(--font-body);
    line-height: 1;
    animation: fx-fall 1400ms cubic-bezier(0.3, 0.1, 0.6, 1) both;
}

.fx-float .fx-num {
    font-size: 1.375rem;
    -webkit-text-stroke: 3px #000;
    paint-order: stroke fill;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

.fx-float .fx-label {
    margin-bottom: 0.125rem;
    font-size: 0.875rem;
    letter-spacing: 1px;
    color: #ffd84a;
    -webkit-text-stroke: 2px #000;
    paint-order: stroke fill;
}

.fx-damage .fx-num { color: #ff5a5f; }
.fx-heal .fx-num { color: #4be07f; }
.fx-crit .fx-num { color: #ff8a3d; font-size: 1.75rem; }

@keyframes fx-fall {
    0% { opacity: 0; transform: translate(calc(-50% + var(--fx-x, 0px)), -26px) scale(0.5); }
    14% { opacity: 1; transform: translate(calc(-50% + var(--fx-x, 0px)), -4px) scale(1.3); }
    30% { opacity: 1; transform: translate(calc(-50% + var(--fx-x, 0px)), 0) scale(1); }
    100% { opacity: 0; transform: translate(calc(-50% + var(--fx-x, 0px)), 60px) scale(0.95); }
}

@media (max-width: 520px) {
    .fx-float .fx-num { font-size: 1.125rem; }
    .fx-crit .fx-num { font-size: 1.4375rem; }
}

/* Ograniczenie ruchu: liczby tylko się pojawiają i zanikają, bez spadania. */
@media (prefers-reduced-motion: reduce) {
    .fx-float {
        animation: fx-fade 1200ms ease both !important;
        transform: translateX(calc(-50% + var(--fx-x, 0px)));
    }

    @keyframes fx-fade {
        0%, 70% { opacity: 1; }
        100% { opacity: 0; }
    }
}