/* chat.css — 极简悬念，悬疑科技风，兼容明暗主题变量 */
.mystery-container {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
}

.void-core {
    margin-bottom: 3rem;
}

.glitch-wrapper {
    position: relative;
}
.glitch {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -2px;
    position: relative;
    color: var(--gj-ink);
    text-shadow: 0.05em 0 0 var(--gj-gold), -0.05em -0.025em 0 var(--gj-jade);
    animation: glitch-shake 0.3s infinite alternate;
}
.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gj-paper);
}
.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--gj-gold);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim 2s infinite linear alternate-reverse;
}
.glitch::after {
    left: -2px;
    text-shadow: 2px 0 var(--gj-jade);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim2 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(12px, 9999px, 44px, 0); }
    50% { clip: rect(85px, 9999px, 140px, 0); }
    100% { clip: rect(32px, 9999px, 70px, 0); }
}
@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 110px, 0); }
    50% { clip: rect(20px, 9999px, 60px, 0); }
    100% { clip: rect(95px, 9999px, 135px, 0); }
}
@keyframes glitch-shake {
    0% { transform: translate(0); }
    20% { transform: translate(-1px, 1px); }
    40% { transform: translate(1px, -1px); }
    60% { transform: translate(-0.5px, 0.5px); }
    80% { transform: translate(0.5px, -0.5px); }
    100% { transform: translate(0); }
}

.unknown-symbol {
    font-size: 3rem;
    opacity: 0.4;
    letter-spacing: 0.5rem;
    margin-top: 1rem;
    color: var(--gj-gold);
    filter: blur(0.6px);
}
.subtle-hint {
    margin-top: 1.2rem;
    font-size: 0.8rem;
    letter-spacing: 4px;
    font-family: monospace;
    opacity: 0.5;
}

/* 按钮与随机猜测区 */
.btn-void {
    background: transparent;
    border: 1px solid var(--gj-gold);
    color: var(--gj-gold);
    border-radius: 60px;
    padding: 0.4rem 2rem;
    font-size: 0.9rem;
    backdrop-filter: blur(2px);
    transition: all 0.2s;
    cursor: pointer;
}
.btn-void:hover {
    background: var(--gj-gold);
    color: #1f1b16;
    box-shadow: 0 0 12px var(--gj-glow);
}
.random-guess-box {
    margin-top: 1.8rem;
    min-height: 4rem;
    font-size: 1rem;
    font-family: monospace;
    color: var(--gj-ink);
    background: var(--gj-stone);
    display: inline-block;
    padding: 0.6rem 1.8rem;
    border-radius: 60px;
    max-width: 90%;
    word-break: break-word;
    border-left: 2px solid var(--gj-gold);
}
.exile-footnote {
    margin-top: 4rem;
    font-size: 0.7rem;
    opacity: 0.4;
    letter-spacing: 2px;
}
@media (max-width: 768px) {
    .glitch { font-size: 3rem; }
    .unknown-symbol { font-size: 2rem; }
}

.action-area {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;   /* 窄屏时自动换行，保持美观 */
}
.btn-void {
    margin: 0;         /* 移除可能的外边距干扰 */
}

.random-guess-box {
    margin-top: 0;
    text-align: center;        /* 文本水平居中 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.random-guess-box {
    margin-top: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--gj-stone);
    padding: 0.6rem 1.5rem;
    border-radius: 60px;
    border-left: 2px solid var(--gj-gold);
    transition: all 0.2s;
}

.btn-confirm-guess {
    background: transparent;
    border: 1px solid var(--gj-gold);
    color: var(--gj-gold);
    border-radius: 40px;
    padding: 0.2rem 0.8rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: 0.15s;
}
.btn-confirm-guess:hover {
    background: var(--gj-gold);
    color: #1f1b16;
}

/* 点击时的抖动特效 */
.shake {
    animation: shakeBox 0.3s ease-in-out 0s 2;
}
@keyframes shakeBox {
    0% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
    100% { transform: translateX(0); }
}

/* 闪烁特效 */
.blink-red {
    animation: blinkRed 0.2s ease-in-out 3;
}
@keyframes blinkRed {
    0% { background-color: transparent; border-color: var(--gj-gold); }
    50% { background-color: rgba(220, 53, 69, 0.3); border-color: #dc3545; }
    100% { background-color: transparent; border-color: var(--gj-gold); }
}