/* 🌫️ 毛玻璃投稿容器 */
.glass#submission-form {
    width: 100%;
    max-width: 400px;
    margin: 25px auto 40px;
    padding: 18px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.glass#submission-form:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

/* 🌙 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .glass#submission-form {
        background: rgba(25, 25, 35, 0.35);
        border: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
    }

    .glass#submission-form:hover {
        background: rgba(35, 35, 45, 0.45);
    }
}

/* ✏️ 输入框与按钮 */
.glass#submission-form input,
.glass#submission-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 7px 10px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(6px);
    color: #222;
    resize: vertical;
    transition: border-color 0.2s;
}

/* 限制 textarea 高度防止溢出 */
.glass#submission-form textarea {
    max-height: 160px;
    min-height: 90px;
    overflow-y: auto;
}

@media (prefers-color-scheme: dark) {
    .glass#submission-form input,
    .glass#submission-form textarea {
        background: rgba(40, 40, 50, 0.55);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: #eee;
    }
}

/* 聚焦时发光 */
.glass#submission-form input:focus,
.glass#submission-form textarea:focus {
    border-color: #409eff;
    outline: none;
}

/* 提交按钮 */
.glass#submission-form button {
    width: 100%;
    padding: 8px 0;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #409eff, #6cb8ff);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.glass#submission-form button:hover {
    background: linear-gradient(135deg, #66b5ff, #90d1ff);
}

/* 📱 移动端优化 */
@media (max-width: 600px) {
    .glass#submission-form {
        max-width: 88%;
        padding: 14px 16px;
        border-radius: 12px;
    }

    .glass#submission-form input,
    .glass#submission-form textarea {
        font-size: 0.8rem;
        padding: 6px 8px;
    }

    .glass#submission-form button {
        font-size: 0.85rem;
        padding: 7px 0;
    }
}