/**
 * 統一「領取獎勵」按鈕（以成就卡 .achieve-claim-btn 為基準）
 */
.void-claim-reward-btn,
.achieve-claim-btn,
.task-btn.claim,
.monthly-task__btn--claim,
.eng-task-btn.btn-ready,
.adventure-claim-btn,
.zone-action-btn.zone-action-btn--claim,
.bp-claim-btn:not(:disabled),
.void-mailbox-claim {
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-family: Orbitron, 'Noto Sans TC', sans-serif;
    font-weight: 700;
    white-space: nowrap;
    color: #1a0a28;
    background: linear-gradient(135deg, #f5d78e, #e8b84a, #c9a227);
    box-shadow:
        0 0 20px rgba(245, 215, 142, 0.5),
        0 2px 8px rgba(0, 0, 0, 0.4);
    animation: void-claim-reward-pulse 1.6s ease-in-out infinite;
    text-shadow: none;
    letter-spacing: 0.02em;
    transition: filter 0.15s ease, transform 0.15s ease;
}

.void-claim-reward-btn:hover,
.achieve-claim-btn:hover,
.task-btn.claim:hover,
.monthly-task__btn--claim:hover,
.eng-task-btn.btn-ready:hover,
.adventure-claim-btn:hover,
.zone-action-btn.zone-action-btn--claim:hover,
.bp-claim-btn:not(:disabled):hover,
.void-mailbox-claim:hover {
    filter: brightness(1.1);
    transform: scale(1.03);
}

@keyframes void-claim-reward-pulse {
    0%,
    100% {
        box-shadow: 0 0 16px rgba(245, 215, 142, 0.45);
    }
    50% {
        box-shadow: 0 0 28px rgba(200, 150, 255, 0.65);
    }
}

/* ── 各區塊尺寸／排版 ── */
.achieve-claim-btn {
    flex-shrink: 0;
    padding: 0.45rem 0.9rem;
    font-size: 0.78rem;
}

.task-btn.claim,
.monthly-task__btn--claim {
    display: inline-block;
    min-width: 148px;
    padding: 0.55rem 1rem;
    font-size: 0.78rem;
    text-align: center;
}

.eng-task-btn.btn-ready {
    min-width: 0;
    width: 100%;
    padding: 8px 12px;
    font-size: 12px;
    letter-spacing: 0.04em;
}

.adventure-claim-btn {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.88rem;
}

.zone-action-btn.zone-action-btn--claim {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 148px;
    padding: 0.55rem 1.1rem;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
}

.zone-action-btn.zone-action-btn--claim::before {
    content: none;
}

.bp-claim-btn:not(:disabled) {
    padding: 8px 12px;
    font-size: 0.78rem;
    max-width: 100%;
}

.bp-claim-btn--premium:not(:disabled) {
    /* 與免費軌相同金色，僅保留 class 供 JS／語意 */
    border: none;
    color: #1a0a28;
    background: linear-gradient(135deg, #f5d78e, #e8b84a, #c9a227);
}

.void-mailbox-claim {
    padding: 6px 12px;
    font-size: 0.72rem;
}

@media (prefers-reduced-motion: reduce) {
    .void-claim-reward-btn,
    .achieve-claim-btn,
    .task-btn.claim,
    .monthly-task__btn--claim,
    .eng-task-btn.btn-ready,
    .adventure-claim-btn,
    .zone-action-btn.zone-action-btn--claim,
    .bp-claim-btn:not(:disabled),
    .void-mailbox-claim {
        animation: none;
    }
}